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Planning Manual
Trench Heater GSK
Fan-Assisted Convection
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Trench Heater GSK
Radial Fan-Assisted Convection
Apart from the principle of natural convection, the trench
heaters GSK work with a proportion of forced convection
generated by a radial fan. In most cases, GSK serve for
covering short-term remaining heat demands (quick heating)
in cases where primary heat sources, as e. g. floor heating
systems and air conditioners, cover the basic demand. With
a corresponding power layout, they can also be used for the
full heating of rooms.
Convection Principle
Areas of Application
GSK – Radial Fan-Assisted System Convector
1 The GSK consists of a two-chamber system. The air blown
in is trapped in the lower chamber. The patented air guide
system of the GSK devices guides a controlled ﬂow of air
into this chamber.
2 An airﬂow is injected, aspiring the cold air (cold-air drop)
which is falling down, thus accelerating the natural convection. The air coming from the fan is distributed on a
System Trough length of up to 5000 mm.
3 Heated air creates a barrier against cold drafts and heats the
room.
The GSK can be applied in all situations where a fogging or
the formation of condensed water could be possible, or in
areas requiring quick heating. GSKs are predominantly used
in screed areas as well as in raised ﬂoors in front of full height
glazing facades in modern, transparent architectures.
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1
Examples:
Representative living areas
Winter gardens
Restaurants
Foyers, reception halls
Shop rooms
Exposition rooms
Shop windows
Ofﬁce and administration buildings, as well as
Areas with quick heat demand
Content
1.
Product Overview (from page 4 on)
1.1
Fan-Assisted System Convector (GSK)
1.2
Designer Grille
2.
Planning Support (from page 7 on)
2.1
Technical Preconditions
3.
Detailed Planning (from page 10 on)
3.1
Technical Data
GSK 180
GSK 260
GSK 320
Radial Fan-Assisted System Convector GSK
3.2
Hydraulic Connection
3.3
Electric Connection
3.4
Control Technology
3.5
Project Solutions
3.6
System Extension
3.7
Maintenance and Care
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1. Product Overview
1.1 Radial Fan-Assisted System Convector (GSK)
Product Offer
Type
Width
Height
Lenghts
Heat Output
110 mm
1000 mm
to 5000 mm
(in 250 mm
increments)
127 W to 867 W (1)
257 W to 1759 W (2)
110 mm
1000 mm
to 5000 mm
(in 250 mm
increments)
167 W to 1240 W (1)
339 W to 2516 W (2)
110 mm
1000 mm
to 5000 mm
(in 250 mm
increments)
245 W to 1871 W (1)
498 W to 3796 W (2)
GSK 180 (from page 10 on)
180 mm
GSK 260 (from page 14)
260 mm
GSK 320 (from page 18)
320 mm
(1) Heat Output at medium speed, LPHW: 50/40°C, Room Air Temperature TL= 20°C
(2) Heat Output at medium speed, LPHW: 75/65°C, Room Air Temperature TL= 20°C
Möhlenhoff Wärmetechnik GmbH declare in sole responsibility that the products GSK 180, GSK 260 and GSK 320 comply
with all applicable requirements of the guidelines 89/106/EG, 2004/108/EG and 2006/95/EG.
The following standards were used for the assessment:
DIN EN 442-2:2003-12
DIN EN 60730-1:2005
DIN EN 60730-2-9:2005
DIN EN 60730-2-18:2000+A11:2005
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Radial Fan-Assisted System Convector GSK
Product Presentation
1
Features
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2
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3
8
4
5
1 Designer Grille
Perfect surface ﬁnish due to Designer Roll-Up Grille or Designer Linear Grille. The rubber bearing makes the Designer
Grille non-skid and impact sound absorbent.
2 High-performance heat exchanger
Heat exchanger made of round copper pipes and integrally
moulded, rigid aluminium ﬁns, powder-coated in black.
3 Patented air guidance system
The convection assistance by radial fan is dimensioned in a
way that injected secondary air is aspired on the entire system
chute length through a two-chamber system.
4 Trench heater system trough
Made of massive aluminium system proﬁle,
corrosion-protected by anodisation.
5 Adjustment possibilities
Exterior adjustment blocks (optionally on the interior side) for
ﬁxing and ﬁne-adjustment of the height with rubber buffers
for acoustic decoupling.
6 Installation cover
Installation cover for the protection of the System Convector
during the transport and construction phase.
7 System bulkheads
The heat exchanger is supported in sound-absorbing system
bulkheads: dilatation noises are eliminated completely.
8 Efﬁcient fan
External rotor motor (40 W per fan) in sound-absorbing,
ﬂow-optimised plastic casing and with ﬂeece ﬁlter.
Radial Fan-Assisted System Convector GSK
The GSK is available in the constructive widths of 180 mm,
260 mm, 320 mm with a constructive height of 110 mm.
The air guidance system is available on both sides of the
GSK 320. This allows to aspire and heat cold air on the
window side as well as on the room side. This makes the
GSK 320 very appropriate for full room heating.
As a standard, the Designer Roll-Up Grille is supplied with
a Roll-Up Grille Guard.
Heat Output tested according to EN 442 and/or
DIN 4704-4-5-1999-10
Operation possible in the range of LPHW 75/65 °C as well
as in the low temperature range LPHW 40/30°C
Intelligent control unit GS 1000, integrated in the trench
heater, with universal connection possibility for external
regulation systems 24 V, including 0 -10 V, internal bus
system for the interconnection of several trench heaters on
control-technological basis
Special solutions as e.g. mitres, arcs, line guidance, source
air outlets, special connections
Advantages
1. High-class appearance, quality, and product solution
Perfect surface finish with Designer Grille designs
The Designer Grille offers vast solutions for the optical design
Narrow, high-class visible border
First-class workmanship quality up to the detail
2. Craftsman-friendly installation technique saves time
and costs due to:
¾" Eurocone connection with bleeding
Low transport weight (25% lighter than steel)
Simple alignment due to step-safe height adjustment
blocks
No danger of injuries by sharp edges and burrs
Installation cover included in the scope of delivery
3. High-quality and intelligent speed control with
Microprocessor technology
Room thermostat: Alpha-Thermostat
It can be activated via manual speed regulators (24 V)
or via central DDC installations (0-10 V) in the building
services management system.
Automatic Master-Slave-System
4. Noiseless operation
Step-on quietness due to Designer Grille with rubber
supports
No dilatation noises due to patented heat exchanger
suspension
Adjustment blocks with rubber buffers for acoustic
decoupling
Low-noise fan operation (from approx. 25 dB(A))
5. Corrosion-resistant, value-keeping and with long lifetime
Massive aluminium system profile
6. Attractive price-performance ratio
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1.2 Designer Grille
Product Presentation
Surfaces
With the Designer Grille, Möhlenhoff offers a creative cover
grille solution for System Convectors in ﬁrst-class quality. Distinctive mark of the Designer Grille: the elegant appearance
due to narrow, rounded bar proﬁles in all surface variants. The
omission of bar joints gives the Möhlenhoff grille its characteristic, sophisticated appearance.
The Designer Grille is offered in the versions Linear Grille, and
Roll-up Grille. Both Designer Grille versions are built in the
same constructive way.
Apart from optimum functionality, it is after all the extensive and unique Möhlenhoff ﬁnishing options which sets new
scales with respect to design possibilities.
Designer Roll-Up Grille
In front of full height glazing facades,
the Designer Roll-Up Grille is the optical change-over between ﬂoor covering and the facade itself – producing a
soft, ﬂoating transition zone.
Anodised shades
The surface ﬁnishing by anodisation emphasises the highvalue character of the bar material. Apart from the standard
anodised shades, all further anodised colours are available on
request.
Designer Linear Grille
The Designer Linear Grille is characterised by a parallel arrangement of the
bars. This produces a clear optical border between ﬂoor area and facade.
Product Innovation
High safety
The rounded bar proﬁles of the grille allow safe step-on. The
rubber bearing makes the Designer Grille non-skid. The integrated cutting edge cover of the grille protects the user against
injuries during installation, cleaning, or maintenance work.
High strength
The Designer Grille is marked by high abrasion resistance. It
has been tested for chemical, thermal, mechanical and ultraviolet resistance, according to the most stringent criteria.
Stainless
Aluminium proﬁle bars ensure a high stability, are resistant
against ultraviolet light and humidity, do not rust, nor warp,
nor change their colour.
For the individual expression, Designer Grilles are available in
different anodised shades, stainless steel ﬁnish, a RAL colour
selection and in high-quality decors.
Stainless steel ﬁnish
The Designer Grille in stainless steel ﬁnish sets aesthetic courses. The anodisation of the aluminium bar proﬁles allows to
produce a very realistic stainless steel ﬁnish.
RAL
All colours of the RAL system can be realised, allowing a full
implementation of individual design requirements.
Decors
A multitude of wood and stone surface decors are available for
an exclusive room design. All aluminium proﬁles are reﬁned
with individual, natural decors in a high-quality and enduring
way.
Möhlenhoff is well renowned for the production of decors
which are an exact copy of the original ﬂoor covering. Transition areas from the ﬂoor covering to the cover grille can be
realised as if cut of the same cloth. Therefore, we use a customer-provided sample for the production of all decors! Exclusive
requirements to a harmonic overall solution in interior areas
can be fulﬁlled by means of a perfect imitation of the decors.
Soundlessness
The rubberized underside on the bottom insulates step-on
noises on the proﬁle edge of the System Convector.
Flexibility
The Möhlenhoff Designer Grille is equipped with exchangeable bars. The Roll-Up Grille can be cut to length on site.
Easy cleaning
The Designer Grille is easy to maintain. The smooth surface
offers protection against dust and dirt.
You can ﬁnd detailed information on surface design in our Designer Grille
brochure. You can ﬁnd technical information in the Designer Grille Planning
Manual.
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Radial Fan-Assisted System Convector GSK
2. Planning Support
How to achieve the perfect product
Our Services
In a continuous dialogue with our customers, we are providing
solutions for the requirements of building owners as well as of
craftsmen, with an optimum product offer. With our slogan “Only
an absolutely perfect product guarantees long term customer satisfaction” Möhlenhoff offers a number of advantages:
One-stop overall system
Fast, exact elaboration of standard and special solutions
Quick delivery – optionally to different places of supply
Easy installation due to modular ﬁtting accuracy
Modern development and production in Germany
Continuously high production standard
Intelligent functions
Control Technology for a perfect individual room control
system
We consult planners, architects and installers with respect to
optimal trench heater planning.
You can arrange your product easily:
1.
Select a Fan-assisted
System Convector
matching your technical
requirements
(see page 4)
2.
Select a Designer Grille
matching harmonically the
architectural expression of your building
EDP Planning Data
We offer you numerous standard data and a lot of information:
Tendering texts in Datanorm, GAEB, MS-Word
Technical data sheets
CAD data in dwg format
Planning data sets as e. g. BDH 2.0, VDI 3805
SYSCON – Software for planning and quick search
CD-ROM – Planning information for trench heaters
Webpage with extensive information
Möhlenhoff Planning Service
In order to achieve an individual and optimal project solution,
we offer you an effective and safe support of your planning
activities up to the commissioning phase, in the scope of the
partial planning support:
Measurement team on-site
Installation consulting
Training offers
We are happy to help you design a trench heater system
with our CAD-system that will ﬁt your individual speciﬁcations. To do this, we require a ﬂoor-plan with the following
information:
Facade lengths
Corner angles
Distance of facade and trench heater
Calculated heat demand
Possible installation depth
Inlet, backﬂow, and room temperature
Colour/decor of the Designer Grille
Designer Grille Type
Indications about possible accessories or
regulation requirements
Information about constructive particularities on site
(see Planning Manual Designer Grille)
3.
Complete the system with our
actuation and control technology
(see page 30)
Radial Fan-Assisted System Convector GSK
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2.1 Technical Preconditions
Information on the Planning Phase
The GSK installation instructions offer complete information for the specialist staff. We are always at your
disposition for questions.
80 – 200 mm
8
7
min 50 mm
11
10
9
6
5
4
3
2
Blinding layer
Concrete ﬂoor
Impact noise insulation
Heat insulation
Separating layer
Screed
Exterior window
Curtain (may not hang above the
trench heater)
9 Trench Heater GSK
10 Floor covering (e. g. parquet, title
marble, carpet)
11 Rug (may not cover the trench
heater)
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2
3
4
5
6
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1
1. Notes on planning phase and installation preparation
Measuring on site in order to consider constructional tolerances.
Under consideration of the installation requirements and
standards on site (DIN 18380 and VDI 2035), a trench heater is installed in the screed area.
For a complete isolation of the cold air stream in front of
glazing facade, a screed convector must cover the entire
length of the glazing.
The trench heater must always be accessible for possible
maintenance work.
Pre-lay electric lines in empty pipes to the connection side.
Provide an empty tube if a remote control is used.
With respect to the distance from the System Convector to
the window, possibly existing curtains must be considered.
They must not hang over the trench heater.
Only after the termination of all constructive work may
the installation cover be removed permanently; until then,
the Designer Roll-Up Grille must be stored in a safe way.
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2. Positioning and Alignment
The visible upper surface of the installation cover is the
ﬁnished dimension for the ﬂoor ﬁnish (ﬂoor coverings as
e. g. parquet, title marble, carpet).
The trench heater can be aligned according to the height of
the ﬁnished ﬂoor installed later. Interior (e. g. on the window
side) and exterior (e. g. on the room side) adjustment blocks
are available for this. The latter must be ﬁxed to the raw
ﬂoor, if necessary, in order avoid a ﬂoating of the System
Convector.
For higher constructive heights, a loadable, impact sound
absorbing support must be provided below the trench
heater.
Radial Fan-Assisted System Convector GSK
3. Notes on hollow ﬂoors (raised ﬂoors)
A free-standing installation for full step-on ablility must
be possible in raised ﬂoors. See page 35.
The trench heater must be ﬁxed in the raw ﬂoor using the
adjustment blocks in order to avoid sliding.
Interior adjustment blocks JBI
Exterior adjustment blocks JBA
4. Line installation of System Convectors
The trench heaters are connected with system connectors
(see page 35).
Conclusively proceed as described under "2. Positioning
and Alignment".
6. Screed
Use of noise insulation for borders: Screeds and ﬂoor coverings, parquet ﬂooring in particular, may apply pressure to a
ﬂoor paving trench heater due to their thermal behaviour.
Take countermeasures, as e. g. expansion joints.
Hot Screed: Special measures must be taken with respect to
special screed types, e. g. hot screed (240°C), to ensure that
the System Convector is never exposed to a temperature of
more than 120 °C.
7. Resources
The water composition must be arranged according to DIN
18380 "Heating installations with central water heating installation“ and VDI 2035 "Prevention of damage in warm
water heating installations".
8. After the termination of the construction work
Please insert the Designer Grille only after the end of all
working measures.
Remove the installation cover
Roll out the roll grille beside the trench heater and cut the
corresponding length with a knife.
Linear grilles are custom-designed.
9. Maintenance
Notes on maintenance see page 36
5. Connection of the trench heater
In standard cases, the pipe are connected on the left side
with viewing direction towards the window (see point
mark on the installation cover)
The electric connection is performed according to the supplied installation instructions of the respective System Convector model.
On pages 26 ff you can ﬁnd further notes on the electric
connection in stand-alone or parallel operation.
Radial Fan-Assisted System Convector GSK
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3. Detailed Planning
3.1 Technical Data
Radial Fan-Assisted System Convector GSK 180
Type
Width (KB) Height (KH)
GSK 180
180
110
Standard Length (KL)
Heat Output (75/65°C)
1000 mm to 5000 mm
(in 250 mm increments)
Short Description of Product
341 to 1759 W
at medium speed
Dimensions [mm]
Top view
System Convector GSK 180
Highly stable installation cover
16
Window side
System trough made of anodised aluminium (anodised shade C31)
High-performance heat exchanger made of round copper pipes and
aluminium fins of own production
Radial fan unit with ﬁlter ﬂeece
Exterior adjustment blocks JBA 8.80 (optionally JBI 8.80)
Integrated Multi-functional fan control unit GS 1000 for Master-
150 ± 5
Slave operation
Activation with 24 V or 0 -10 V
HL
210 ± 10
LPHW connection on the front left side (in view direction towards the window)
410
KL*
LPHW connection ¾˝ with Eurocone and venting
Installation instructions (5 languages)
Vertical section
You can ﬁnd more detailed product information in the
110
tendering text on page 23.
Note: The Designer Roll-Up Grille DR 15.180 or the Designer Linear
180
Grille. DL 15.180 must be ordered separately.
Technical Data
Geometrical Data
Hydraulic Data
Electrical Data
Adjustment blocks allow adjustable height
115 mm to 155 mm
Heat exchanger
Finned Lenght HL
Width
Height
2-pipe
KL - 620 mm
97 mm
50 mm
LPHW connection
¾” Eurocone with venting
Pipe diameter
Ø 15 mm
Operating pressure
10 bar (16 bar optionally available)
Operating media temperature
105°C max.
Operating voltage
primary: 230 V ± 10% 50 Hz; secondary: 21 V up to 35 V max., 50 Hz
Power consumption/nominal current/switch-on current
55 W / 0.24 A / 15 A
Inputs for triggering
2 (heating + speed); switched to 0 -10 V DC triggering by dip switch
Output for valve drives
Heating output reserved for Alpha Actuator AA 4004, 24 V,
short circuit proof and overload proof
Speed regulator for limitation of maximum speed
integrated in every unit
Protection type
screwless plug-in/clamping technique,
max. conductor section 1.5 mm²
IP 21
Bus communication
via telephone line I-Y(ST)Y, at least 2 x 2 x 0.8 mm²
Master/slave recognition
automatically after start-up by recognition of an applied
control voltage of a device to be activated
max. line length of bus line
50 m max. from Master to last bus participant
max. amount of units in a group
15 (1 master + 14 slaves)
Room Air Temperature
0°C to 60°C
Storage temperature range
-25°C to 65°C
Relative humidity
max. 80°C, non condensing
Network connection terminals
*Customised lengths can be manufactured on request, up to a complete unit of 5000 mm.
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Radial Fan-Assisted System Convector GSK
Stage/
speed
ratio
n/nmax
Upper range
8/100%
7/92%
6/84%
Medium range
5/73%
4/62%
Natural
convection
Lower speed range
3/54%
2/46%
1/38%
0/0%
System Convector Lenght KL [mm]
Heating
medium
LPHW
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
4000
4500
5000
Heat Output Q [W] at room temp. 20°C
90/70°C
560
943
1199
1393
1548
1677
1789
1886
1973
2051
2122
2248
2356
2451
75/65°C
465
784
997
1158
1287
1394
1487
1568
1640
1705
1764
1868
1958
2038
70/55°C
395
664
845
982
1091
1182
1261
1329
1391
1446
1496
1584
1660
1727
65/55°C
371
625
795
923
1026
1112
1185
1250
1307
1359
1406
1489
1561
1624
50/40°C
229
386
491
571
634
687
733
773
808
840
869
921
965
1004
90/70°C
515
887
1137
1325
1476
1602
1710
1805
1889
1965
2035
2157
2262
2354
75/65°C
428
738
945
1102
1227
1332
1422
1501
1571
1634
1691
1793
1880
1957
70/55°C
363
625
801
934
1040
1129
1205
1272
1332
1385
1434
1520
1594
1659
65/55°C
341
588
753
878
978
1062
1133
1196
1252
1302
1348
1429
1499
1560
50/40°C
211
364
466
543
605
656
701
739
774
805
833
883
927
964
90/70°C
471
832
1074
1257
1403
1525
1630
1722
1804
1878
1945
2064
2166
2256
75/65°C
391
692
893
1045
1166
1268
1355
1432
1500
1561
1617
1716
1800
1875
70/55°C
332
586
757
886
989
1075
1149
1214
1272
1324
1371
1454
1526
1590
65/55°C
312
551
712
833
930
1011
1080
1141
1196
1245
1289
1367
1435
1495
50/40°C
193
341
440
515
575
625
668
706
739
769
797
845
887
924
90/70°C
411
756
987
1162
1301
1418
1519
1607
1685
1755
1819
1933
2030
2116
75/65°C
341
628
821
966
1082
1179
1263
1336
1401
1459
1512
1607
1688
1759
70/55°C
289
533
696
819
917
1000
1070
1132
1187
1237
1282
1362
1431
1491
65/55°C
272
501
654
770
862
940
1006
1065
1116
1163
1206
1281
1345
1402
50/40°C
168
310
404
476
533
581
622
658
690
719
745
792
832
867
90/70°C
352
680
900
1065
1198
1309
1404
1488
1562
1629
1690
1798
1890
1972
75/65°C
292
565
748
886
996
1088
1168
1237
1299
1354
1405
1494
1572
1639
70/55°C
248
479
634
751
844
923
990
1049
1101
1148
1191
1267
1332
1390
65/55°C
233
450
596
706
794
868
931
986
1035
1080
1120
1191
1253
1307
50/40°C
144
278
369
436
491
536
575
610
640
667
692
736
774
808
90/70°C
310
624
835
994
1122
1228
1320
1400
1471
1536
1594
1697
1786
1864
75/65°C
257
519
694
827
933
1021
1097
1164
1223
1277
1325
1411
1485
1550
70/55°C
218
440
589
701
791
866
930
987
1037
1082
1124
1196
1259
1314
65/55°C
205
414
554
659
743
814
875
928
975
1018
1056
1125
1184
1235
50/40°C
127
256
342
407
460
503
541
574
603
629
653
695
732
764
90/70°C
268
569
771
923
1045
1147
1234
1311
1379
1440
1496
1595
1680
1755
75/65°C
223
473
641
767
869
953
1026
1090
1146
1197
1244
1326
1397
1459
70/55°C
189
401
543
650
736
808
870
924
972
1015
1055
1124
1184
1237
65/55°C
178
377
511
611
692
760
818
869
914
954
992
1057
1113
1163
50/40°C
110
233
316
378
428
470
506
537
565
590
613
653
688
719
90/70°C
227
514
706
851
967
1064
1147
1220
1285
1343
1397
1491
1572
1643
75/65°C
189
427
587
707
804
884
954
1014
1068
1117
1161
1239
1306
1366
70/55°C
160
362
498
600
681
750
808
860
906
947
984
1051
1108
1158
65/55°C
150
340
468
564
641
705
760
808
851
890
925
988
1041
1089
50/40°C
93
210
289
348
396
436
470
500
526
550
572
611
644
673
90/70°C
186
248
310
372
434
496
558
621
683
745
807
931
1055
1179
75/65°C
146
195
244
292
341
390
439
487
536
585
634
731
829
926
70/55°C
118
157
197
236
275
314
354
393
432
472
511
590
668
747
65/55°C
109
145
181
218
254
290
327
363
399
435
472
544
617
689
50/40°C
58
78
97
117
136
156
175
195
214
234
253
292
331
370
Presentation of heat output and water resistance (see page 12 f.) as well as calculation examples (see page 22).
Moreover, performance data not listed here can be calculated with the planning software SYSCON.
Radial Fan-Assisted System Convector GSK
11
3.Detailed Planning | 3.1 Technical Data
GSK 180-110 – Heat Output
GSK 180-110 – Nominal Heat Output
Nominal Heat Output QN [W] for different fan stages and ΔT = 50K
2500
Nominal Heat Output QN [W]
2000
1500
1000
500
Level 8
Level 6
Level 4
Level 1
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
Convector Lenght KL [mm]
GSK 180-110 – Sound power level
Speed ratio
Upper
range
Medium
range
Lower range
Stage
n / nmax
Sound power level dB
8
100 %
48
7
92 %
45
6
84 %
42
5
73 %
38
4
62 %
34
3
54 %
31
2
46 %
28
1
38 %
25
* The noise pressure level was determined in conformity with DIN 4704 in
anechoic half-space in a distance of 1.5 m.
12
Radial Fan-Assisted System Convector GSK
3.Detailed Planning | 3.1 Technical Data
Water Resistance Values
GSK 180-110 – without ﬂow and backﬂow valve
10.0
Pressure loss ΔpW [kPa/finned metre]
1.0
0.1
0.01
GSK 180-110
0.001
1
10
100
1000
° [kg/h]
mean heating flow m
The medium is 100% water.
Pressure loss ΔpW [kPa/finned metre]
GSK 180-110 – with ﬂow and backﬂow valve
GSK 180-110
1
10
100
° [kg/h]
mean heating flow m
Radial Fan-Assisted System Convector GSK
1000
The medium is 100% water.
13
Radial Fan-Assisted System Convector GSK 260
Type
Width (KB)
Height
Standard Length (KL)
260
110
1000 mm to 5000 mm
(in 250 mm increments)
GSK 260
Short Description of Product
Heat Output (75/65°C)
495 to 2516 W
at medium speed
Dimensions [mm]
Top view
System Convector GSK 260
16
Highly stable installation cover
Window side
System trough made of anodised aluminium (anodised shade C31)
High-performance heat exchanger made of round copper pipes and
aluminium fins of own production
Radial fan unit with ﬁlter ﬂeece
Exterior adjustment blocks JBA 8.80 (optionally JBI 8.80)
Integrated Multi-functional fan control unit GS 1000 for MasterSlave operation
Activation with 24 V or 0 -10 V
130 ± 5
LPHW connection on the front left side (in view direction towards the window)
210 ± 10
HL
LPHW connection ¾˝ with Eurocone and venting
410
KL*
Installation instructions (5 languages)
Vertical section
You can ﬁnd more detailed product information in the tendering
110
text on page 23.
Note: The Designer Roll-Up Grille DR 15.260 or the Designer Linear
260
Grille DL 15.260 must be ordered separately.
Technical Data
Geometrical Data
Hydraulic Data
Electrical Data
Adjustment blocks allow adjustable height
115 mm to 155 mm
Heat exchanger
Finned Lenght HL
Width
Height
3-pipes
KL - 620 mm
147 mm
50 mm
LPHW connection
¾” Eurocone with venting
Pipe diameter
Ø 15 mm
Operating pressure
10 bar (16 bar optionally available)
Operating media temperature
105°C max.
Operating voltage
primary: 230 V ± 10% 50 Hz; secondary: 21 V up to 35 V max., 50 Hz
Power consumption/nominal current/switch-on current
55 W / 0.24 A / 15 A
Inputs for triggering
2 (heating + speed); switched to 0 -10 V DC triggering by dip switch
Output for valve drives
Heating output reserved for Alpha Actuator AA 4004, 24 V,
short circuit proof and overload proof
Speed regulator for limitation of maximum speed integrated in every unit
screwless plug-in/clamping technique,
Network connection terminals
max. conductor section 1.5 mm²
Protection type
IP 21
Bus communication
via telephone line I-Y(ST)Y, at least 2 x 2 x 0.8 mm²
Master/slave recognition
automatically after start-up by recognition of an applied
control voltage of a device to be activated
max. line length of bus line
50 m max. from Master to last bus participant
max. amount of units in a group
15 (1 master + 14 slaves)
Room Air Temperature
0°C to 60°C
Storage temperature range
-25°C to 65°C
Relative humidity
max. 80°C, non condensing
*Customised lengths can be manufactured on request, up to a complete unit of 5000 mm.
14
Radial Fan-Assisted System Convector GSK
Stage/
speed
ratio
n/nmax
Upper range
8/100%
7/92%
6/84%
Medium range
5/73%
4/62%
Natural
convection
Lower speed range
3/54%
2/46%
1/38%
0/0%
System Convector Lenght KL [mm]
Heating
medium
LPHW
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
4000
4500
5000
Heat Output Q [W] at room temp. 20°C
90/70°C
778
1322
1687
1961
2182
2366
2524
2662
2785
2897
2997
3176
3329
3465
75/65°C
647
1099
1402
1630
1814
1967
2098
2213
2316
2408
2492
2640
2768
2880
70/55°C
548
932
1189
1382
1538
1667
1779
1876
1963
2042
2113
2238
2347
2442
65/55°C
516
876
1118
1300
1446
1568
1672
1764
1846
1919
1986
2104
2206
2296
50/40°C
319
542
691
803
894
969
1034
1091
1141
1187
1228
1301
1364
1419
90/70°C
746
1283
1643
1914
2131
2313
2469
2606
2727
2837
2937
3113
3265
3398
75/65°C
620
1066
1365
1591
1772
1923
2053
2166
2267
2359
2441
2588
2714
2825
70/55°C
525
904
1158
1349
1502
1630
1740
1837
1922
2000
2070
2194
2301
2395
65/55°C
494
850
1088
1268
1412
1533
1636
1727
1807
1880
1946
2063
2163
2252
50/40°C
305
525
673
784
873
947
1011
1067
1117
1162
1203
1275
1337
1392
90/70°C
692
1214
1564
1828
2039
2216
2368
2501
2619
2725
2822
2993
3141
3271
75/65°C
575
1009
1300
1519
1695
1842
1968
2079
2177
2266
2346
2488
2611
2719
70/55°C
488
856
1102
1288
1437
1562
1669
1762
1846
1921
1989
2110
2214
2305
65/55°C
459
805
1036
1211
1351
1468
1569
1657
1735
1806
1870
1984
2081
2167
50/40°C
284
497
641
749
835
908
970
1024
1073
1116
1156
1226
1287
1340
90/70°C
596
1088
1418
1666
1865
2032
2175
2300
2412
2512
2604
2765
2904
3026
75/65°C
495
904
1179
1385
1551
1689
1808
1912
2005
2089
2165
2299
2414
2516
70/55°C
420
767
999
1174
1315
1432
1533
1621
1700
1771
1835
1949
2047
2133
65/55°C
395
721
939
1104
1236
1347
1441
1524
1598
1665
1725
1832
1924
2005
50/40°C
244
446
581
682
764
832
891
942
988
1029
1067
1133
1190
1240
90/70°C
486
943
1249
1479
1664
1818
1951
2067
2170
2263
2348
2498
2627
2740
75/65°C
404
784
1038
1229
1383
1512
1622
1718
1804
1882
1952
2076
2184
2278
70/55°C
343
664
880
1042
1173
1282
1375
1457
1530
1595
1655
1760
1851
1931
65/55°C
322
625
827
980
1103
1205
1293
1370
1438
1500
1556
1655
1741
1816
50/40°C
199
386
511
606
682
745
799
847
889
927
962
1023
1076
1122
90/70°C
408
838
1125
1342
1516
1662
1787
1896
1993
2081
2161
2301
2423
2529
75/65°C
339
696
936
1116
1261
1381
1485
1576
1657
1730
1796
1913
2014
2103
70/55°C
288
590
793
946
1069
1171
1259
1336
1405
1467
1523
1622
1708
1783
65/55°C
270
555
746
889
1005
1101
1184
1256
1321
1379
1432
1525
1605
1676
50/40°C
167
343
461
550
621
681
732
777
816
852
885
943
992
1036
90/70°C
337
742
1013
1217
1381
1518
1635
1738
1830
1913
1988
2120
2235
2335
75/65°C
280
616
842
1012
1148
1262
1360
1445
1521
1590
1652
1763
1858
1941
70/55°C
238
523
714
858
973
1070
1153
1225
1290
1348
1401
1494
1575
1646
65/55°C
223
491
671
806
915
1006
1084
1152
1213
1267
1317
1405
1481
1547
50/40°C
138
304
415
499
566
622
670
712
750
784
814
869
915
957
90/70°C
279
663
920
1114
1269
1399
1510
1608
1695
1773
1844
1970
2078
2173
75/65°C
232
551
765
926
1055
1163
1255
1337
1409
1474
1533
1638
1728
1807
70/55°C
197
467
648
785
894
986
1064
1133
1194
1250
1300
1388
1465
1532
65/55°C
185
439
610
738
841
927
1001
1065
1123
1175
1222
1305
1377
1440
50/40°C
114
272
377
456
520
573
619
659
694
726
755
807
851
890
90/70°C
284
378
473
567
662
756
851
946
1040
1135
1229
1418
1607
1797
75/65°C
215
286
358
429
501
572
644
715
787
858
930
1073
1216
1359
70/55°C
167
223
279
334
390
446
502
557
613
669
725
836
948
1059
65/55°C
152
203
254
305
356
406
457
508
559
610
660
762
863
965
50/40°C
74
99
124
148
173
198
222
247
272
297
321
371
420
470
Presentation of heat output and water resistance (see page 16 f.) as well as calculation examples (see page 22).
Moreover, performance data not listed here can be calculated with the planning software SYSCON.
Radial Fan-Assisted System Convector GSK
15
3.Detailed Planning | 3.1 Technical Data
GSK 260-110 – Heat Output
GSK 260-110 – Nominal Heat Output
Nominal Heat Output QN [W] for different fan stages and ΔT = 50K
3500
Nominal Heat Output QN [W]
3000
2500
2000
1500
1000
Level 8
500
Level 6
Level 4
Level 1
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
Convector Lenght KL [mm]
GSK 260-110 – Sound power level
Speed ratio
Upper
range
Medium
range
Lower range
Stage
n / nmax
Sound power level dB
8
100 %
48
7
92 %
45
6
84 %
42
5
73 %
38
4
62 %
34
3
54 %
31
2
46 %
28
1
38 %
25
* The noise pressure level was determined in conformity with DIN 4704 in
anechoic half-space in a distance of 1.5 m.
16
Radial Fan-Assisted System Convector GSK
3.Detailed Planning | 3.1 Technical Data
Water Resistance Values
GSK 260-110 – without ﬂow and backﬂow valve
10.0
Pressure loss ΔpW [kPa/finned metre]
1.0
0.1
0.01
GSK 260-110
0.001
1
10
100
1000
° [kg/h]
mean heating flow m
The medium is 100% water.
GSK 260-110 – with ﬂow and backﬂow valve
100
Pressure loss ΔpW [kPa/finned metre]
10
1.0
0.1
GSK 260-110
0.01
1
10
100
° [kg/h]
mean heating flow m
Radial Fan-Assisted System Convector GSK
1000
The medium is 100% water.
17
Radial Fan-Assisted System Convector GSK 320
Type
Width (KB)
Height
Standard Length (KL)
320
110
1000 mm to 5000 mm
(in 250 mm increments)
GSK 320
Short Description of Product
Heat Output (75/65°C)
748 to 3796 W
at medium speed
Dimensions [mm]
Top view
System Convector GSK 320
Highly stable installation cover
16
Window side
System trough made of anodised aluminium (anodised shade C31)
High-performance heat exchanger made of round copper pipes and
aluminium fins of own production
Radial fan unit with ﬁlter ﬂeece
Exterior adjustment blocks JBA 8.80 (optionally JBI 8.80)
Integrated Multi-functional fan control unit GS 1000 for MasterSlave operation
Activation with 24 V or 0 -10 V
150 ± 5
LPHW connection on the front left side (in view direction towards the window)
210 ± 10
HL
LPHW connection ¾˝ with Eurocone and venting
410
KL*
Installation instructions (5 languages)
Vertical section
You can ﬁnd more detailed product information in the tendering
110
text on page 23.
Note: The Designer Roll-Up Grille DR 15.320 or the Designer Linear
320
Grille DL 15.320 must be ordered separately.
Technical Data
Geometrical Data
Hydraulic Data
Electrical Data
Adjustment blocks allow adjustable height
115 mm to 155 mm
Heat exchanger
Finned Lenght HL
Width
Height
4-pipe
KL - 620 mm
197 mm
50 mm
LPHW connection
¾” Eurocone with venting
Pipe diameter
Ø 15 mm
Operating pressure
10 bar (16 bar optionally available)
Operating media temperature
105°C max.
Operating voltage
primary: 230 V ± 10% 50 Hz; secondary: 21 V up to 35 V max., 50 Hz
Power consumption/nominal current/switch-on current
100 W / 0.44 A / 15 A
Inputs for triggering
2 (heating + speed); switched to 0 -10 V DC triggering by dip switch
Output for valve drives
Heating output reserved for Alpha Actuator AA 4004, 24 V,
short circuit proof and overload proof
Speed regulator for limitation of maximum speed integrated in every unit
screwless plug-in/clamping technique,
Network connection terminals
max. conductor section 1.5 mm²
Protection type
IP 21
Bus communication
via telephone line I-Y(ST)Y, at least 2 x 2 x 0.8 mm²
Master/slave recognition
automatically after start-up by recognition of an applied
control voltage of a device to be activated
max. line length of bus line
50 m max. from Master to last bus participant
max. amount of units in a group
15 (1 master + 14 slaves)
Room Air Temperature
0°C to 60°C
Storage temperature range
-25°C to 65°C
Relative humidity
max. 80°C, non condensing
*Customised lengths can be manufactured on request, up to a complete unit of 5000 mm.
18
Radial Fan-Assisted System Convector GSK
Stage/
speed
ratio
n/nmax
Upper range
8/100%
7/92%
6/84%
Medium range
5/73%
4/62%
Natural
convection
Lower speed range
3/54%
2/46%
1/38%
0/0%
System Convector Lenght KL [mm]
Heating
medium
LPHW
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
4000
4500
5000
Heat Output Q [W] at room temp. 20°C
90/70°C
1199
2048
2617
3046
3390
3677
3924
4140
4332
4505
4663
4941
5181
5392
75/65°C
997
1703
2176
2532
2818
3057
3262
3441
3601
3745
3876
4108
4307
4482
70/55°C
845
1444
1845
2147
2389
2592
2765
2918
3053
3175
3286
3482
3652
3800
65/55°C
795
1357
1734
2018
2246
2436
2600
2743
2871
2985
3090
3274
3433
3573
50/40°C
491
839
1072
1248
1389
1506
1607
1696
1775
1846
1910
2024
2122
2209
90/70°C
1146
1973
2528
2946
3282
3562
3803
4013
4201
4370
4524
4795
5029
5235
75/65°C
952
1641
2102
2449
2728
2961
3161
3336
3492
3633
3761
3986
4181
4352
70/55°C
807
1391
1782
2077
2313
2511
2680
2829
2961
3080
3188
3379
3544
3689
65/55°C
759
1308
1675
1952
2175
2360
2520
2659
2784
2896
2998
3177
3332
3469
50/40°C
469
808
1036
1207
1344
1459
1558
1644
1721
1790
1853
1964
2060
2144
90/70°C
1058
1854
2388
2790
3113
3383
3614
3817
3998
4160
4308
4569
4794
4992
75/65°C
879
1541
1985
2320
2588
2812
3005
3173
3323
3459
3582
3799
3986
4150
70/55°C
745
1307
1683
1967
2194
2384
2547
2690
2818
2932
3037
3221
3379
3519
65/55°C
701
1229
1583
1849
2063
2242
2395
2529
2649
2757
2855
3028
3177
3308
50/40°C
433
760
978
1143
1275
1386
1481
1564
1638
1704
1765
1872
1964
2045
90/70°C
900
1642
2140
2515
2815
3067
3282
3471
3640
3791
3929
4172
4382
4566
75/65°C
748
1365
1779
2090
2340
2549
2729
2886
3026
3152
3266
3468
3643
3796
70/55°C
634
1157
1508
1772
1984
2161
2313
2447
2565
2672
2769
2941
3088
3218
65/55°C
596
1088
1418
1666
1866
2032
2175
2300
2412
2512
2604
2765
2904
3026
50/40°C
369
673
877
1030
1153
1256
1345
1422
1491
1553
1609
1709
1795
1871
90/70°C
723
1405
1862
2207
2483
2714
2912
3086
3240
3379
3506
3729
3922
4091
75/65°C
601
1168
1548
1835
2064
2256
2421
2565
2694
2809
2915
3100
3260
3401
70/55°C
510
991
1313
1555
1750
1913
2052
2175
2284
2382
2471
2628
2764
2884
65/55°C
479
931
1234
1462
1645
1798
1930
2045
2147
2239
2323
2471
2599
2711
50/40°C
296
576
763
904
1017
1112
1193
1264
1327
1384
1436
1528
1607
1676
90/70°C
599
1237
1665
1987
2246
2462
2648
2810
2955
3085
3204
3413
3594
3752
75/65°C
498
1028
1384
1652
1867
2047
2201
2336
2457
2565
2664
2837
2987
3119
70/55°C
422
872
1174
1401
1583
1735
1866
1981
2083
2175
2258
2406
2533
2645
65/55°C
397
820
1103
1317
1488
1632
1755
1862
1958
2045
2123
2262
2381
2486
50/40°C
245
507
682
814
920
1009
1085
1151
1211
1264
1312
1398
1472
1537
90/70°C
488
1087
1488
1791
2034
2236
2410
2563
2698
2821
2932
3128
3297
3446
75/65°C
406
904
1237
1489
1691
1859
2004
2130
2243
2345
2437
2600
2741
2865
70/55°C
344
766
1049
1262
1433
1576
1699
1806
1902
1988
2066
2205
2324
2429
65/55°C
323
720
986
1187
1348
1482
1597
1698
1788
1869
1943
2073
2185
2284
50/40°C
200
445
610
734
833
916
987
1050
1105
1155
1201
1281
1351
1412
90/70°C
402
968
1348
1634
1863
2054
2219
2363
2491
2607
2712
2898
3057
3198
75/65°C
334
805
1120
1358
1549
1708
1845
1965
2071
2167
2255
2409
2542
2659
70/55°C
283
682
950
1151
1313
1448
1564
1666
1756
1837
1912
2042
2155
2254
65/55°C
267
642
893
1082
1234
1361
1470
1566
1651
1727
1797
1920
2026
2119
50/40°C
165
397
552
669
763
842
909
968
1021
1068
1111
1187
1252
1310
90/70°C
365
487
609
730
852
974
1095
1217
1339
1461
1582
1826
2069
2313
75/65°C
282
376
470
564
658
752
846
940
1034
1128
1222
1410
1598
1786
70/55°C
224
299
373
448
523
597
672
747
821
896
971
1120
1269
1419
65/55°C
206
274
343
411
480
548
617
685
754
822
891
1028
1165
1302
50/40°C
106
141
176
211
246
282
317
352
387
422
458
528
598
669
Presentation of heat output and water resistance (see page 20 f.) as well as calculation examples (see page 22).
Moreover, performance data not listed here can be calculated with the planning software SYSCON.
Radial Fan-Assisted System Convector GSK
19
3.Detailed Planning | 3.1 Technical Data
GSK 320-110 – Heat Output
GSK 320-110 – Nominal Heat Output
Nominal Heat Output QN [W] for different fan stages and ΔT = 50K
5000
4500
Nominal Heat Output Q N [W]
4000
3500
3000
2500
2000
1500
1000
Level 8
Level 6
500
Level 4
Level 1
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
Convector Lenght KL [mm]
GSK 320-110 – Sound power level
Speed ratio
Upper
range
Medium
range
Lower range
Stage
n / nmax
Sound power level dB
8
100 %
51
7
92 %
48
6
84 %
45
5
73 %
40
4
62 %
36
3
54 %
32
2
46 %
29
1
38 %
26
* The noise pressure level was determined in conformity with DIN 4704 in
anechoic half-space in a distance of 1.5 m.
20
Radial Fan-Assisted System Convector GSK
3.Detailed Planning | 3.1 Technical Data
Water Resistance Values
GSK 320-110 – without ﬂow and backﬂow valve
10.0
Pressure loss ΔpW [kPa/finned metre]
1.0
0.1
0.01
GSK 320-110
0.001
1
10
100
1000
° [kg/h]
mean heating flow m
The medium is 100% water.
GSK 320-110 – with ﬂow and backﬂow valve
100
Pressure loss ΔpW [kPa/finned metre]
10
1.0
0.1
GSK 320-110
0.01
1
10
100
° [kg/h]
mean heating flow m
Radial Fan-Assisted System Convector GSK
1000
The medium is 100% water.
21
Calculation Formulas
Calculation example GSK 260-110
Formula Symbols and Units
Given
TV
[°C]
= Inlet temperature
= 260 mm (3 pipes)
TR
[°C]
= Backﬂow temperature
Trough height KH
= 110 mm
ΔTsp [K]
= Temperature gradient
Trough length KL
= 3250 mm
ΔTw [K]
= Average water temperature
Inlet temperature TV
= 85 °C
ΔT [K]
= Average excess temperature
Backﬂow temperature TR
= 70 °C
TL
[°C]
= Ambient temperature
Room Air Temperature TL
= 22 °C
Q
[W]
= Heat Output
Desired fan speed n
= 54%, 31 dB(A)
QN [W]
= Nominal Heat Output
q
= Heat Output per meter heat exchanger
Trough width
KB
[W/m]
= Conversion factor for different average
FU
Unknown
temperatures
Heat Output Q
Calculations
T +T
2
85 + 70
2
1.
V
R
= ––––––––– = 77.5 K
ΔTw = –––––––––
2.
ΔT = ΔTw - TL = 77.5 - 22 = 55.5 K
3a. - Read QN from "Nominal Heat Output" for GSK 260
KL
[mm]
= Trough Lenght
n
[%]
= fan speed
ΔpW [kPa/finned metre]
= pressure lost
Conversion Factor
at n = 54%. QN = 1730 W
1.80
- Read FU from the diagram "Conversion factor" for GSK 260
at ΔT = 55.5 K. Fu = 1.11
1.60
3b. Q = QN · FU = 1730 · 1.11 = 1920 W
Results
Heat Output Q
= 1920 watts
Calculation Formulas
1.
ΔTw
V
R
= –––––––
T +T
2
[K]
2.
ΔT
= ΔTw - TL
[K]
= QN · FU
[W] for the GSK-series
= TV - TR
[K]
3b. Q
4.
ΔTsp
Conversion factor Fu
1.40
1.20
1.00
0.80
0.60
30
40
50
Average excess temperature
22
60
70
80
∆T [K]
Radial Fan-Assisted System Convector GSK
Möhlenhoff GSK without Designer Grille
Trench heater as ready-to-install Radial Fan-Assisted System
Convector GSK for installation in the ﬂoor area for installation
in the screed or optionally for installation in raised ﬂoor.
Working Principle:
Natural convection is augmented by radial fan-assisted forced
convection.
System trough (ﬂoor trough) made of massive aluminium
system proﬁle (material: AlMg-Si 05), corrosion-protected by
anodisation. Anodised shade C31, light bronze.
Exterior adjustment blocks (optionally on the interior side)
with rubber buffers for acoustic decoupling, adjustable from
0.5 to 45 mm for ﬁxing and for ﬁne adjustment of the height.
Heat exchanger made of round copper pipes and pressed-on,
rigid aluminium ﬁns, powder-coated in black and supported in
stable, sound-absorbing system bulkheads.
LPHW connection ¾“ on the front left side (in view direction
towards the window) with Eurocone connection and venting.
Cover of the pipe feedthrough with gum mask. 105°C media
temperature, the medium is water according to VDI 2035.
Convection support by radial fan with and secondary air
aspired using the induction principle. The induction jet is
optimised with respect to noise and air ﬂow, continuously
over the entire ﬁnned length.
External rotor motor 24V/50Hz, power 40 W per fan. Electric
connection of radial fan on the right side. Motor wired ready
for connection in a sound absorbing, ﬂow-optimised plastic
casing, and ﬂeece ﬁlter.
Multi-functional control unit GS 1000, integrated in the GSK,
with universal connection possibility for external regulation
systems 24 V or 0 -10 V, internal bus system (automatic
master-slave system) for the interconnection of several trench
heaters on control-technological basis, fan activation 0 -10 V,
proportional to the control voltage via downstream 8-step
transformer, the maximum possible speed can be limited;
input and output terminals for the through-connection for
bus and supply voltage. Electric connection to GS 1000 right
side. Connection plug for Alpha-Actuator 4 on the hydraulic
connection side.
Heat Output tested according to EN 442 and/or
DIN 4704-4-5-1999-10.
Installation cover for protecting the System Convector during
the transport and construction phase.
Installation instructions available in German, English, Russian,
Italian and Danish.
Width System trough (KB)
Height System trough (KH)
Length System trough (KL)
180 mm/260 mm/320 mm
110 mm
1000 mm to 5000 mm
(in 250 mm increments)
Heat exchanger
2-pipe (180 mm)
3-pipes (260 mm)
4-pipe (320 mm)
Hydraulic Connection
¾" Eurocone one-sided, left side
Electric connection
on right side
Continuous operating pressure 10 bar (16 bar optionally available)
System temperature LPHW
_____/____ Degree Celsius
Room temperature
__________ Degree Celsius
Speed ratio
__________ %
Heat Output
__________ watts
Sound power level
__________ db(A)
The Designer Roll-Up Grille DR 15.KB or the Designer Linear
Grille DL.15.KB must be ordered separately.
As a standard, for all GSK types the Designer Roll-Up Grille is
supplied with a Roll-Up Grille Guard.
Make: Möhlenhoff
Type key:
Article No.
Radial Fan-Assisted System Convector GSK
GSK KB-KH-KL
__________
23
3.Detailed Planning | 3.1 Technical Data
Tendering Text
3.2 Hydraulic Connection
Hydraulic Connection GSK 180-110
Top view
Front view
Window side
Side view
291
73
51
221
Standard
connection*
78/6
222
52-86
Ù!46
Special connection
61
47-36
*GSK180-110: Water connection only on left side possible!
Hydraulic Connection GSK 260-110
Top view
Front view
Side view
Special connection
371
Ù!46
73
51
221
78/6
222
52/86
Window side
Standard
connection
61
Special connection
52
Hydraulic Connection GSK 320-110
Top view
Front view
Side view
Special connection
221
Standard
connection
261
73
51
78/6
222
Ù!46
431
52/86
Window side
96
Special connection
24
Radial Fan-Assisted System Convector GSK
HR – Manual regulation cap for
VUD15, for manual adjustment
of the valve bottom
3.Detailed Planning | 3.2 Hydraulic Connection
Connections Overview
Connection Variants
As a standard, the connection is on the left side
at the front.
SA.RF
VUD 15 – Thermostat valve body,
passage form DN15 (1/2“)
SA.RU
SA.RS
RLD 15 Regulux – Screwed return
shut-off valve, passage form DN15
(1/2“)
SA.RR
Special Connections SA
EK – 3/4" Eurocone connections
with venting
16bar
BD – Heat exchanger version for
increased operating pressure of up
to 16 bars. Including test certiﬁcate
SA.LR
SA.LF
SA.LU
SA.RS*
SA.RR*
SA.RF*
SA.RU*
left-room side
left-window side
left-downside
right-front side
right-room side
right-window side
right-downside
Limitation:
GSK 180 | 260:
All special connections at right side not possible!
FLX – Armoured hoses for WW
connection with interior and
exterior thread ½‘‘
¬ s¬/PERATING¬TEMP¬ª#¬TO¬ª#
¬ s¬$ECREASES¬INSTALLATION¬TIME
¬ s¬!LLOWS¬THE¬CAREFUL¬LIFTING¬OF¬THE¬
heating element (max. 2000 mm)
for a better cleaning of the
system trough interior.
Radial Fan-Assisted System Convector GSK
25
3.
Technical Data
3.3 Electric Connection
Multi-functional Fan Control Unit GS 1000
Every Fan-assisted System Convector GSK is equipped with the
multi-functional fan control unit GS 1000 with microprocessor
technology. The GS 1000 serves as an intelligent connection
unit as well as for the speed control of the GSK.
Activation possibilities
Activation
Alpha-Thermostat 0-10 V:
Comfort with integrated
fan-speed regulator (AR 5010
0 -10 V
KD-S)
By means of a corresponding switch-over with dip switches,
the GS 1000 can be adapted to the corresponding control system. This delivers highest ﬂexibility for the most different application ranges.
Electronic room thermostat
0 -10 V (market product) in
combination with an external
0 -10 V
fan-speed regulator (e. g. DST
1000)
0 -10 V signals from a building
0 -10 V
management central for room
temperature control and
0 -10 V
speed control
Alpha-Thermostat 24 V:
(e. g. AR 4010 K2-S) combined
with an external fan-speed
24 V
regulator (e. g. DST 1000)
Electronic room thermostat
24 V (market product) in combination with an external fan-
Technical Data GS 1000
Operating voltage
primary: 230 V ± 10% 50 Hz;
speed regulator (e. g. DST 1000)
secondary: 21 V up to 35 V max.,
Operation / activation with a
50 Hz
speed regulator 24 V
Power consumption/
GSK 180: 55 W / 0.24 A / 15 A
(e. g. DST 1000)
nominal current/
GSK 260: 55 W / 0.24 A / 15 A
switch-on current
GSK 320: 100 W / 0.44 A / 15 A
Inputs for triggering
2 (heating + speed); switched to
The ﬁrst speed regulator is used
0 -10 V DC triggering by dip switch
for temperature regulation, the
Heating output reserved for Alpha
second for fan activation.
Output for valve drives
Actuator AA 4004, 24 V, short circuit proof and overload proof
Speed levels
8 + OFF
Speed regulator for limitation
with integrated potentiometer
Connection terminals
screwless plug-in/clamping
24 V
Activation with two speed regulators 24 V (e. g. 2 x DST 1000):
24 V
Bi-metal room thermostat 24 V
(market product) in combination with an external fan-
24 V
speed regulator DST 1000
potential-free contact +
of maximum speed
24 V
int. potentiometer
24 V
technique, max. conductor section
1.5 mm²
Bus communication
via telephone line I-Y(ST)Y,
at least 2 x 2 x 0.8 mm²
Master/slave recognition
You can ﬁnd details on the respective control systems on the
CD "Planning information for trench heaters", as download on
the Internet or in the installation instructions for Fan-Assisted
System Convectors
automatically after start-up by
recognition of an applied control
voltage of a device to be activated
max. line length of bus line
50 m max. from Master to last bus
max. amount of units
15 (1 master + 14 slaves)
participant
in a group
26
Radial Fan-Assisted System Convector GSK
3.Detailed Planning | 3.3 Electric Connection
Standard Connection Overview
At the thermostat output, conventional switching thermostats (24 V), simple potentiometer actuators, but also continuous valve drives, can be connected to central DDC installations (0 -10V) in the scope of building services management
systems. An internal potentiometer allows the setting of the
maximum speed or of the speed target value without external regulator. The GS 1000 works with 24 V valve drives.
AR 5010 KD-S
Alpha-Thermostat
with speed regulator
AS 1000
DS 1000
The temperature setback can
be activated with the
switching signal of an
external digital timer.
Mains connection 230 V / AC
max. fuse 16 A
Radial Fan-Assisted System Convector GSK
27
Parallel operation of several Fan-Assisted System Convectors
For a parallel operation of several GSK, all further GSK can be
completely wired. (Only applies if the local circumstances are
considered and if the regulations for electrical installations
are complied with.)
All devices are synchronised via a communication bus and
controlled by the master. By connecting an activation
component, (e. g. room thermostat) the master and
slave allocation under the connected GSK is performed
automatically after commissioning.
AR 5010 KD-S
AS 1000
DS 1000
5
PQFO
2/
3/
6
7
M
NPOUBHF
4/
p/l/
23!!!!!!26!!!!!!29!!!!!!32!!!!!!35
Tztufntpdlfm
BT!2111
:
7
4
1
Alpha-Thermostat with
fan-speed regulator
min. NYM 3 x 1.5 mm²
Mains connection
230 V/AC; max. fuse 16 A
M
O
2!!!!3!!!!4!!!!5!!!!6!!!!7!!!!8
Nfov
Sft
pl
2
2
I-Y(ST)Y / NYM recommended
4 x 2 x 0.8 mm² / 7 x 1.5 mm²
3
4
3
The temperature setback
can be activated with the
switching signal of an
external digital timer.
O
QF
Optional control line to external clock
recommended NYM-I 3 x 1.5 mm²
slave unit (left side)
master unit
I-Y(ST)Y / NYM recommended
2 x 2 x 0.8 mm² / 7 x 1.5 mm²
slave unit (right side)
Incoming / outgoing line 230 V/AC
recommended NYM-I 3 x 1.5 mm²
Connection notes for parallel operation
A maximum of 15 GSK can be grouped. The line length of
the control line, counted from the master unit, must not exceed 50 m. If the master is in the middle of a GSK group, this
applies per direction.
An arbitrary GSK can be chosen for the connection of the
control components (AR 5010 KD, DS 1000 etc.) to be connected to all control components. The selected GSK becomes
master unit after the electrical start-up.
GSK
GSK
GSK
GSK
GSK
Slave
GS 1000
Master
GS 1000
Slave
GS 1000
Slave
GS 1000
Slave
GS 1000
Max. line length 50 m!
Max. line length 50 m!
Max. 15 GS 1000 in one group for activation!
28
Radial Fan-Assisted System Convector GSK
3.Detailed Planning | 3.3 Electric Connection
Connection plan for parallel operation
Mains 230 V AC; 50 - 60 Hz
(e. g. from a sub-distribution)
Optionally to
activate temperature setback
Digital timer
DS 1000
Alpha-Thermostat
AR 5010 KD
load resistor
load resistor
DIP switch
default
settings
Mains 230 V AC
50 - 60 HZ
Fan control
GS 1000
Fan control
GS 1000
MASTER UNIT
SLAVE UNIT
Alpha-Actuator 4: 24 V
AA 4004
Caused by the grid transformers of the GS 100, an inrush
current is generated with every start-up (according to
technical data), which could lead to an unintended tripping
of safety devices under certain circumstances. Thus, we
recommend to consider sufﬁcient time-lag characteristics
when selecting the short-circuit protection devices, and to
provide an inrush current limitation on the customer's side
if necessary.
23
flow /
dew point sensor
22
21
20 shield
19 Bus B
control line
18 Bus A
17
switchover
Heating/Cooling
16
timer signal
for temperature setback
15 Output timer
14 Input timer
Note on the BUS communication of several trench heaters:
The BUS communication between the connection boards
of the GSK is established with
the use of telephone lines. The
bus line must be provided with
a terminating resistor at the
beginning and at the end. This
resistance must be removed for
devices for complete wiring.
13 Uhr
12 L1
11 L2
24 V/AC
All GSK must be connected in parallel. Ring closing
and star connection are inadmissible.
The power current at the same supply line must not
exceed 6 A! Depending on the circumstances on site,
additional mains infeed points must be provided!
Alpha-Actuator 4: 24 V
AA 4004
Room thermostat
10 Heating
9
7 L2
6 L1
5
4
3 PE
2 N
1 L
Radial Fan-Assisted System Convector GSK
Cooling Heating
8 Speed ratio
Actuators
24 V AC
Mains
connection
230 V ± 10%
29
3.4 Control Technology
Alpha-Actuator 4: 24 V NC
Type Designation
AA 4004-80-02
Thermoelectric valve-
s¬&IRST/PEN¬&UNCTION
drive for driving valves on
s¬(UB¬$ISPLAY
trench heaters
s¬3NAPON¬)NSTALLATION
s¬¬PROTECTION¬AGAINST¬LEAKY¬VALVES
De-energised status:
s¬2EMOVAL¬SECURITY¬WITH¬REMOVABLE¬SAFEGUARD
normally-closed (NC)
s¬)NCLUDES¬6ALVE!DAPTOR¬6!¬
Operating voltage:
24 V, AC/DC -10%...+20%, 0-60Hz
Operating Power:
1.8 W
Protection type/ class:
IP 54/III (only with plug
and connection cable)
Stroke:
4 mm
Actuating Force:
100 N ± 5 %
Cable (plug-in connector): 2 x 0.75 mm²
Housing Color:
black RAL 9005
Dimensions (mm) H/W/D:
55+5/44/61
Alpha-Thermostat 0 -10 V: Comfort with integrated fan-speed regulator
Type Designation
AR 5010 KD-S
Digital room thermostat
s¬4EMPERATURE¬DIAL¬WITH¬¬DEGREE¬vSOFT¬SETTINGv
with integrated fan-
s¬,IMITATION¬OF¬THE¬SETTABLE¬TEMPERATURE¬RANGE
speed regulator for the
s¬3ETTABLE¬OPERATION¬v$!9h¬v.)'(4h¬OR¬v!54/-!4)#h
application „Heating“
s¬!UTOMATIC¬TEMPERATURE¬SETBACK¬THROUGH¬EXTERNAL¬SIGNAL
controlling trench heaters
s¬&ROST¬AND¬VALVE¬PROTECTION¬FUNCTIONS
equipped with the GS
s¬Speed setting, incl. switching off
1000.
s¬Fast heating button
s¬)NCL¬!LPHA¬-OUNTING¬"ASE¬!3¬
Simple installation with
Operating voltage:
24 V -10%...+20%, 50/60 Hz
the supplied Alpha
Version:
Thermostat 0 -10 V
Mounting Base AS 1000.
/Fan-speed regulator 0 -10 V
Current per output.:
5 mA for 10 V, short-circuit proof
Switching current (max.):
1 A (resistive load)
Contact rating:
max. 50 fan controls
(Ri=100 kOhm)
Settable Temperature Range: 10°C to 28°C
Temperature setback:
adjustable from 2 K to 6 K
Dimensions (mm) H/W/D:
80/93/27
External speed regulator
Type Designation
DST 1000
Instead of a AR 5010 KD-S, the external fan-speed regulator DST 1000 can be used for the
speed control of the System Convector GSK. The room temperature can be controlled by a
standard thermostat (in 230 V or 0 -10 V technology) without fan control. It can be installed
on a electrical box and integrated into the Busch-Jäger switch portfolio.
Digital Timer
Type Designation
DS 1000
Together with the digital timer, the fan control with room thermostats and actuators
make up for a comfortable and energy-saving individual room control system. The
2-channel digital timer controls the desired setback times. The clearly visible LCD display
and the program keys allow convenient programming of the digital timer.
30
Radial Fan-Assisted System Convector GSK
Type Designation
AR 4010 S2-S
Digital room thermostat
s¬#ONTROL¬MODE¬0)CONTROLLER
controls Alpha-Actuators
s¬.ORMALLYCLOSED¬VERSION¬.#
as a function of desired
s¬4EMPERATURE¬DIAL¬WITH¬¬DEGREE¬vSOFT¬SETTINGv
and actual temperatures
s¬,IMITATION¬OF¬THE¬SETTABLE¬TEMPERATURE¬RANGE
s¬!UTOMATIC¬TEMPERATURE¬SETBACK¬¬+¬THROUGH¬EXTERNAL¬SIGNAL
Simple installation with
s¬&ROST¬AND¬VALVE¬PROTECTION¬FUNCTIONS
the supplied Alpha
Mounting Base AS 1000.
Contact rating:
5 Alpha-Actuators max. 24 V
Settable Temperature Range: 10°C to 28°C
Operating voltage:
24 V, 50/60 Hz
Switching current (max.):
1 A (resistive load)
Dimensions (mm) H/W/D:
80/84/27
Alpha-Thermostat 24 V: Comfort
Type Designation
AR 4010 K2-S
Digital room thermostat
s¬#ONTROL¬MODE¬0)CONTROLLER
with operation switch
s¬.ORMALLYCLOSED¬VERSION¬.#
controls Alpha-Actuators
s¬4EMPERATURE¬DIAL¬WITH¬¬DEGREE¬vSOFT¬SETTINGv
as a function of desired
s¬,IMITATION¬OF¬THE¬SETTABLE¬TEMPERATURE¬RANGE
and actual temperatures
s¬3ETTABLE¬OPERATION¬v$!9h¬v.)'(4h¬OR¬v!54/-!4)#h
s¬!UTOMATIC¬TEMPERATURE¬SETBACK¬THROUGH¬EXTERNAL¬SIGNAL
Simple installation with
s¬&ROST¬AND¬VALVE¬PROTECTION¬FUNCTIONS
the supplied Alpha
Mounting Base AS 1000.
Contact rating:
5 Alpha-Actuators max. 24 V
Display:
Display - Illuminated 'Moon'
Settable Temperature Range: 10°C to 28°C
Temperature setback:
adjustable 2 K to 6 K
Operating voltage:
24 V, 50/60 Hz
Switching current (max.):
1 A (resistive load)
Dimensions (mm) H/W/D:
80/93/27
Alpha-Thermostat 24 V: Control
Type Designation
AR 4010 C2-S
Digital room temperature
same as the Alpha-Thermostat Comfort, but with additional
controller with selectable
s¬$ETACHABLE¬DIGITAL¬TIMER¬FOR¬MANUAL¬PROGRAMMING
operation and plug-in
s¬$AY¬AND¬WEEK¬PROGRAMMING
digital timer for
s¬¬DAY¬POWER¬RESERVE
controlling Alpha-
s¬¬CHANNEL¬WITH¬¬MEMORY¬LOCATIONS¬¬/.¬/&&¬TIMES
Actuators through
s¬&REE¬BLOCK¬FORMATION¬AND¬AUTOM¬DAYLIGHT¬SAVINGS¬TIME¬ADJUSTMENT
function of desired and
s¬4IMER¬OUTPUT¬SIGNAL¬TO¬CONTROL¬!2¬¬3¬AND¬!2¬¬+
actual temperatures.
Operating voltage:
24 V, 50/60Hz
Simple installation with
Contact rating:
5 Alpha-Actuators max. 4: 24 V
the supplied Alpha
Display:
Temperature setback -
Mounting Base AS 1000.
illuminated moon
Settable Temperature Range: 10°C to 28°C
Temperature setback:
Radial Fan-Assisted System Convector GSK
adjustable 2 K to 6 K
Switching current (max.):
1 A (resistive load)
Dimensions (mm) H/W/D:
80/118/27
31
3.Detailed Planning | 3.4 Control Technology
Alpha-Thermostat 24 V: Standard
3.5 Project Solutions
Mitred Joints
With mitre, acute/obtuse angle or 90° angle
Connection of trench heater with ﬂexible hoses
All designs can be realised with Designer Roll-Up Grille as well as with
Designer Linear Grille
You can ﬁnd details about mitre adaptations on page 33.
Bevels
Recesses
In any shape for the integration of building parts as
e. g. columns, piers, etc.
Different materials are possible for coverings:
¬ s¬!LUMINIUM¬ANODISEDBRASS
You can ﬁnd details about recesses on page 33 in the section on mitre
adaptation.
arcs
Radii over 2900 mm with a radian measure
of a maximum of 4000 mm are possible
You can ﬁnd details about arcs on page 34.
32
Radial Fan-Assisted System Convector GSK
3.Detailed Planning | 3.5 Project Solutions
Mitre Joints
GP DR | GP DL
Mitre Joints for the Designer Roll-Up Grille and the Designer Linear Grille in matching colours. Delivery
as proﬁled plate, offering a beautiful solution with full step-on ability. The proﬁle plate covers the
entire mitre section of two trench heaters or system troughs, respectively.
GPS for system trough
For Mitre Joints, angles and production lengths are manufactured according to your speciﬁcations in
mm. The System Convector will be delivered in partial sections ready to plug in, allowing simple and fast
installation. System trough cut to mitre.
GPL for system trough
Similar to GPW, but the air duct is cut at the appropriate angle. This facilitates the use of a series of radial
fan-assisted System Convectors around corners without additional fan units, up to a convector length of
5000 mm. The radial fan-assisted System Convector is supplied in sections which can be easily and quickly
assembled.
Exemplary Calculation
Ordering information:
Dimensions with particular model information
Trough Lenght KL
Mitre angle W
LPHW connections.
Order example for Mitre Joints:
KB
1 unit GSK 180
R
SA.L
Radial Fan-Assisted System Convector GSK
KL = 1375 mm, System Convector SL
1 unit SA.LR
Special connection left-room side
1 unit GSK 180
KL = 2845 mm, System Convector SL
1 unit GPL W1.2
= 135°
33
Arcs
RB
With the System Convector RB you purchase the perfect solution for arcs facades. The following radii and radian
measures can be manufactured for the respective types in one piece and accurate to the mm. Radii over 2900 mm
with a radian measure of a maximum of 4000 mm are possible.
If you need a bigger radian measure, the partial sections can - as usual - be installed in series and ﬁtted with a continuous Designer Roll-Up Grille.
DR 15RB
The Designer Roll-Up Grille for System Convectors RB in arcs design ﬁts exactly to the arcs for the System Convector. All anodised shades and RAL colours, as well as decors, are available.
Exemplary Calculation
Ordering information:
Dimensions with particular model information
LPHW connections.
1st option: Radius r in mm and radian measure BM in mm
SA
.LR
The following indications are necessary in addition:
KB
or
SA
.
LR
2nd option: Radius r in mm and the angle α in °.
Ordering example:1 unit GSK 260, RB r=3500 mm, BM=2750 mm
KB
34
The heat output can be calculated in the same way as for the
System Convectors GSK.
Radial Fan-Assisted System Convector GSK
3.Detailed Planning | 3.6 System Extensions
3.6 System Extensions
Free Standing
VLB JBA – Free Standing with exterior adjustment blocks
VLB JBI – Free Standing with interior adjustment blocks
Also appropriate for free-standing installation with full step-on ability, e. g. in double cavity ﬂoors or ﬂushing
window facade installation.
Arrange the adjustment blocks with a distance of approximately 500 mm in order to achieve full step-on
ability. This version can be realised with interior or exterior adjustment blocks.
The following applies for free step-on ability in case of exterior adjustment blocks without support:
Max. load 130 kg/m:
Distance A max. 500 mm
Max. load 180kg/m:
Distance A max. 400 mm
Top view trough
Interior Adjustment Blocks
JBi 8.80
Interior adjustment blocks can be used on the window side for flush window
installation of the System Convector.
Appropriate for trench heater lenghts up to KL=5000 mm.
Roll-Up Grille Guard
DRS
Secures Designer Roll-Up Grille against lifting.
System Connectors
SV
The System Connectors are a simple and quick method of connecting System Convectors with trough lengths
(KL) exceeding 5.000 mm. By using a combination of standard and special lengths, it is possible to precisely adjust
the length of the system to the nearest millimetre, together with a continuous Designer Grille. The result is a
harmonious, integrated appearance.
Special Lengths
SL
The System Convector can be made to meet length speciﬁcations to the millimetre. A trench heater cut to ﬁt
your exact speciﬁcations is delivered to ensure a perfect ﬁt.
Note: In relation to the standard increment, only the system trough is manufactured to the millimetre. The
heat output corresponds to the next shortest standard length.
Radial Fan-Assisted System Convector GSK
35
3.7 Maintenance and Care
Recommendations
The following notes serve for a general preliminary information
during the planning phase. The GSK installation instructions
offers complete information as well as safety notes for the
specialist staff.
3. Cleaning the ﬁlter ﬂeece
1. Dry cleaning:
As a standard, Möhlenhoff radial fan-assisted trench heater
are equipped with a ﬁlter ﬂeece above the fans. Take out the
ﬁlter ﬂeece and beat it for cleaning. If strongly contaminated,
the ﬂeece can also be washed by hand with clear water; allow
it to dry afterwards. After that, re-insert the Designer Grille
and the ﬁlter ﬂeece, if necessary.
Vacuum the Designer Grille at regular cleaning intervals during
normal cleaning.
3. Clean and Check the Blower / Fan
Cleaning the Designer Grille
2. Wet cleaning:
s¬$ESIGNER¬2OLL5P¬'RILLE
Open existing grille ﬁxings, roll up the grille without bending it
excessively. The DR is dishwasher safe even up to a temperature
of 60°C with normal (non-industrial strength) dishwasher
detergent. After washing and drying, the grille can be replaced
on the convector trough and re-secured.
s¬$ESIGNER¬,INEAR¬'RILLE
Remove the linear grille from the trench heater and lay it
down to an appropriate place. For cleaning we recommend
commercial household cleaners and a soft washing brush (e. g.
car accessories). After washing and drying, the grille can be reinserted onto the trough.
Cleaning the System Convector
Remove the cover grille and the ﬂeece ﬁlter. Make sure there
are no foreign objects in the blower/fan, remove any if necessary. Turn the fan by hand. If there is damage, inform a specialist. The blower/fan area can be vacuumed (a soft brush can be
helpful). Lay the ﬁlter ﬂeece and cover grille back in place when
ﬁnished.
4. Examination and cleaning of the air guides
Remove the Designer Grille and the ﬁlter ﬂeece, if necessary.
We recommend the use of a dry duster cloth of feather duster
for cleaning the air guide areas accessible with the hands. Areas with difﬁcult access can be vacuum-cleaned (a soft brush
can support the cleaning process). Adhering contamination
can be removed with a damp cloth, if necessary. After that, reinsert the Designer Grille and the ﬁlter ﬂeece, if necessary.
5. Cleaning the heat exchanger
Remove the Designer Grille. To clean the hand-accessible area of
the heat exchanger, we recommend a dry dust cloth or broom.
Hard to reach places can be cleaned with a vacuum cleaner
equipped with a soft brush nozzle or a soft brush. Replace the
ﬁlter, if needed, and re-secure the Designer Grille.
Cleaning intervals
(In months)
36
Designer Grille
6
Filter ﬂeece
3
Fans
6
Air guides
6
Heat exchanger
12
Radial Fan-Assisted System Convector GSK
3.Detailed Planning | 3.7 Maintenance
Radial Fan-Assisted System Convector GSK
37
Möhlenhoff Wärmetechnik
Your Partner for Trench Heaters
Alpha-Actuator
Alpha-Thermostat
Möhlenhoff Wärmetechnik GmbH with its headquarters
in Salzgitter, Lower Saxony, is one of the most innovative
manufacturer of products and systems for heating and air
condition technology worldwide.
Alpha-Basis
All components of the Möhlenhoff-developed system are
perfectly interconnected to each other. As a manufacturer of
complete System Convectors with high-power heat exchangers
as well as with the control technology for a perfect individual
room control, Möhlenhoff offers a system with optimally
matched components.
Designer Grille
System Convectors
Möhlenhoff is a one-stop for all components. For the customers,
this translates to: fast and exact elaboration of standard and
special solutions, timely delivery – optionally to different places
of supply –, ease of installation due to modular fitting accuracy,
and, last but not least, a very good price/performance ratio.
And the best is: At the end, everything works perfectly!
As an innovative system
manufacturer, Möhlenhoff
is of course certified to
ISO 9001:2008.
According to the nationwide
competition „Germany‘s Best
Employers 2009“, Möhlenhoff
Wärmetechnik GmbH counts
among the 100 best German
employers. This award
stands for special quality and
attractiveness as employer; it
is awarded by the Great Place
to Work® Institute Germany.
38
Radial Fan-Assisted System Convector GSK
Extensive Information Material
Would you like to have our printed product information sent to you
via mail? We will gladly send you these documents on request and
free of charge. You can find our contact data on the rear page of this
planning manual.
Möhlenhoff System Convectors
Möhlenhoff Designer Grille
Innovative project solutions in the underﬂoor range
The Quick-Change Artist of Grille Covers
You can also use our on-line ordering service! Of course you can also
download the requested documents from our web page,
www.moehlenhoff.com!
Perfection with Variety
For optimum
o
room climate
Planning Manual
Planning Manual
Planning Manual
Planning Manual
Trench Heater ESK
Trench Heater WSK
Trench Heater GSK
Trench Heater QSK
Natural Convection
Natural Convection
Fan-Assisted Convection
Planning Manual
Planning Manual
Planning Manual
Trench Heater QSK HK
Trench Heater QLK
D esigner Grille
Fan-Assisted Convection
System Convectors
Price list 2008
Heating Comfort Perfection
Trench Heating and Cooling
Source-air supported convection
PC CD-ROM
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Fan-Assisted System Convector GSK
Multitude in perfection
Möhlenhoff Wärmetechnik GmbH
Mailing Address:
PO BOX 10 05 25
DE-38205
Germany
Headquarters:
Museumstraße 54a
DE-38229 Salzgitter
Germany
Telephone:
+49 53 41 / 84 75-0
Fax:
+49 53 41 / 84 75-999
[email protected]
www.moehlenhoff.com
8-D24-41-309 Index 00
Technical changes reserved.
Reprint, including partial reprint, only admissible with our consent.