Consult the cornerstone
Consult the DA manual
The Design Application (DA) series of publications produced by
AIRAH are best practice guidelines to assist HVAC&R practitioners
with their day to day tasks in the design, operation and
maintenance of mechanical building services.
THE
IN
AT
G
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
FR
EFR
IGE
DA01
CENTRIFUGAL PUMPS
DA01
CENTRIFUGAL PUMPS
•
Isolate the pump from the structural loads of the
pipework system.
•
Compensate for small deviations in alignment between
the pump and pipework connection.
•
Compensate for expansion and contraction of the
pipework or pump due to temperature changes.
DA02
NOISE CONTROL
Grouting the pump to a concrete foundation of
suitable mass.
•
Using a flexible pad (neoprene, silicone or similar)
between the full contact surface of the pump and the
foundation.
9.4.7. In-line pumps
Very small in-line pumps (such as in-line canned rotor
pumps) can be supported by the system piping but
APPLICATION
MANUALMany
larger pumps need to be
independently supported.
in-line pumps are configured to make it easy to provide the
additional support directly under the pump.
Using a base isolation system such as rubber pads or
inertia base with spring.
9.4.8. Pipework
The piping installer should route the piping with flexibility
designed into it, using the minimum amount of pipe,
fittings, and expansion loops.
S
UMP
Pipework should be independently supported to ensure
that no forces or moments due to pipe weights or
thermal expansion will be imposed on the pump. Flexible
connectors are never designed to carry loads. Similarly
pump flanges and connections are not designed to carry
the weight of system pipework and liquids. All pipework
and accessories should be supported independently of the
pump.
Precision grouting is probably the most critical part of
the installation. The surface beneath the base plate must
be properly prepared for grouting, any concrete laitance
(structurally weak layer) must be removed from the
concrete and the aggregate exposed. All dirt and dust
must be removed from the area prior to grouting. Properly
grouting the base plate to the concrete slab lowers the
natural frequency of the base plate and reduces resonant
vibrations which can damage bearings and seals.
LP
During the course of physical routing of any piping system,
the installer should ensure the provision of high-point
vent and low-point drain connections for the filling and
draining of the piping system with water (for hydrostatic
testing and operation) and for the purging of air entrapped
within the system.
In all cases the method of isolation should be appropriate
for the environmental conditions in service, including
temperature, humidity and chemical degradation. Install
the pump on the level base and make sure all mounting
bolts are centred. Ensure that the pump is level and if not
level shim the feet to level the shaft.
60
Figure 9.1: Base mounted pumps
AP
PL IC
IO
AT
NM
U
AN
AL
FANS
•
The location of valves, with consideration for operating
accessibility, should be accomplished in the natural
routing of the system from point to point.
•
Valves in overhead piping with their spindles in the
near horizontal position should be located so that the
bottom of the hand wheel is no more than 2m above
the floor. Only infrequently operated valves should be
located above this elevation.
•
possible interference such as structural steel. The piping
installer should also recognise that in some applications
insulation may not be required for the prevention
of heat transfer but will be needed for personnel
protection.
Note: Levels of piping insulation, required by regulation
(NCC), have been increased over historical practice
and designers/installers must allow sufficient clearance to
accommodate this.
Space should be provided for the removal of all valve
internals.
The piping installer should be familiar with the installation
and engineering of the thermal insulation materials
specified and specifically with the method of fixing
appropriate for the type and thickness of insulation. There
must be spacing and clearance between the insulation of
one pipe and any adjacent pipe and insulation, or other
Base
isolation
FANS
Valves in acid and caustic services should be located
below the plant operator’s eye level or in such a
manner as to not present a safety hazard.
9.4.10. Insulation
Pump
isolation
DA13
Valves should be installed with the spindles between
the vertically upward and horizontal positions, to
prevent the entrainment of air and debris in the valve.
•
• A minimum 100 mm of knuckle clearance should be
provided around all valve hand wheels.
Improper application and placement of valves in the
piping system can be detrimental to system function
Valves shouldAND
never
be installed with the spindle facing
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR•CONDITIONING
HEATING
and can result in malfunction of the valve and in water
downwards.
Pump
•••
•
AIR CONDITIONING LOAD ESTIMATION
APPLICATION MANUAL
Figure 9.2: Supporting pipework independently of pump connections
hammer. The following precautions should be taken
during installation:
9.4.9. Valves
Long coupled type pumps will require realignment on site
after installation and after any motor replacement. Install
the motor on the base and, using a straight edge, perform
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
a preliminary shaft alignment. Shim the motor feet for the
C
APPLICATION MANUAL
Airfl
9.4.11. Wiring
•••
All pumps and associated electrical equipment should
be wired in accordance with AS/NZS 3000. Control and
monitoring instrumentation should be wired in accordance
with the manufacturer instructions and all relevant
regulations.
ow
12
Note: Refer AIRAH DA 27 for further information on the installation of
control wiring.
(a)
Tu
be
ax
ial
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
9.4.12. Access
The provision of adequate access to the pump and its
accessories for maintenance and service is essential and
is a requirement of AS/NZS 3666.1 which is a regulated
requirement in Australia through building and health
regulations. Large centrifugal pumps are often supplied
with access points.
For larger pumps, the provision of lifting eyes and
overhead lifting beams or davits should be considered
to facilitate pump replacement or servicing in a safe
manner.
DA15
•••
A PPLI
61
DA16
AIR FILTERS
ING
DA13
HVAC&R AN INTRODUCTION
Coordination of condensate trays and drains with pump
mounts and inertia bases is an important aspect to
consider for chilled water pumps.
Pumps should not be mounted directly on to springs as
this provides no inertia to reduce vibration of the pumps
and will impart all vibration to pipework. If pumps are in
a noise critical area such as on a suspended floor or roof
above or below an inhabited area then inertia bases should
be used.
UG A
REVISED
DA09
DA11
DA08
DUCT WORK FOR AIR CONDITIONING
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
HE AT
Ax
rem ial fan
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APPLICATION
APPLICATION MANUAL
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THE AUS TR ALIAN INS TITUTE OF REFRIGER ATION, AIR CONDITIONING
AND HE ATING
alter ou flect th
and
Four
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at ar
INSTITUTE OF REFRIGERATION,
AND
any CONDITIONING
ed nted AIR
du HEATING
pa plica otor THE AUSTRALIAN
and ge
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DA
•
RIF
ENT
DA03
Modern equipment using laser alignment technology
should be used where possible, especially for larger units.
The advantages of high precision alignment include less
noise and vibration, longer equipment life (bearings and
drive components) and less energy wastage at the drive.
Aligned pumps can be doweled to the base to prevent
future misalignment.
9.4.6. Base mounted pumps
•
DA01
CENTRIFUGAL PUMPS
final alignment and align using a laser based system. This
should normally be carried out by the pump manufacturer
or supplier, and must be completed prior to running the
pump.
The pump should be correctly levelled before securing to
a stable base. Pumps should be well secured to the base in
accordance with the manufacturers installation instructions
and so that vibration transmission is minimised. Common
installation methods used include:
APPLICATION MANUAL
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
E OF
REFR
IGER
ATIO
N, AI
R CO
NDIT
IONI
NG AN
D
FA
N
STEAM AND CONDENSATE
S
FA
N
2
2.1
. S
e
cti
S
Fan
s, a
n
on
Intr
o
du
cti
on
ov
erv
iew
y
A
EO
ITUT
nc
TR
UT
N IN
ST
C AT
cie
US
TIT
RALIA
Effi
EA
INS
AUST
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
DA
13
REVISED
TH
N
LIA
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
re
HE
essu
N
CO
ION
ND
ic pr
TIO
RA
IR
,A
IT
ND
A
ING
Stat
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
2.2
. S
ta
ins nda
tall rd
ati fan
on
cate
go
rie
s
IO N
DA17
MAN
en
Fa
n
fan
wo
rk
s
DA18
UA L
COOLING TOWERS
AIR CONDITIONING WATER PIPING
2.3
. H
ow
a
ed
ou
tle
ou
tle
t
t
WATER TREATMENT
Fa
Ca
n
tego
ry
D
– Du
cted
inle
t an
Fig
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
APPLICATION MANUAL
APPLICATION MANUAL
APPLICATION MANUAL
DA19
HVAC&R
•
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
DA20
HUMID TROPICAL AIR CONDITIONING
APPLICATION MANUAL
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
DA21
AMMONIA REFRIGERATION
APPLICATION MANUAL
APPLICATION MANUAL
cted
2.1
: St
an
n
ou
tle
t
da
rd
fan
insta
llatio
n ca
tego
rie
APPLICATION MANUAL
s
7
ENANCE
Applicat
ion Man
ual
Applicat
ion Man
ual
HVAC&R
MAINT
DA19
DA21
DA24
ENANCE
DA19
DA26
HVAC&R MAINTENANCE
APPLICATION MANUAL
d Du
Fa
•••
MAINT
Maintainab
maintenancility of the system
e strate
and future
• Locat
gy,
ion of and
safe
• Reliab
Contractors
le and appro access to the
have a respo
• Monit
priate contro services,
ongoing
oring, meter
nsibili
maintenanc
l system
the future
• Certifi
ing and
s,
e requir ty to inform owne
recording
cation of
ements
rs of the
with regardresponsibilities
commission
facilities,
• Opera
of system for the plant
to that
ting and
and
ing data
maintenanc
owners
and result
maintenanc
and opera of
• Detail
Specific
e.
• repor
s,
ed maint
e inform
requiremen
tors
t on the
manuals
ation for
enanc
• Recom
ts for opera
maintenanc
• are
and
system,
mendations e schedules and
responsible
ting
e effect
information the transfer
iveness,
of design and maintenanc
on
for the
plans and
maintenanc instructions,
Designers
constructio are required
procedures periodic review
e mana
to be met related HVAC&R e
n is under
gement.
maintenancare best positi
.
of maint
regime.
if the buildi
Successful
2.3.9 Ten
oned
The AIRAH a building
enance
e philos
ng
maintenanc
rating or
contains
ophy for to develop the
HVAC
going comm
ants
&R system
accred
particular
e mana
a buildi
design/
Designers
Tenants
and maint
ng or system
requiremen
star rating itation
maintenanc itment of mana gement relies
need
have a legal
enance
design
tool also
the system to be instru
on
.
gers
e fundin
information. ts or credits
respo
will
cted in
g and user to maintenanc the onfor opera
responsibili be safe to opera nsibility to ensur
the correc
to be engagand this shoul
e plann
education.
ting
d
te and
t
e that
2.3.5 Syst
ing,
2.3.7 Mai
either by ty continues
efficiency/su ed by the buildibe in lay terms operation of
through maintain. This their
the origin
. Tenants
em com
ng mana
stainability
ntenan
design
the
if furthe
Correct
need
The maint
ger on
r design al designers or construction
mis
features
comm
ce
sioners
Contrac
Tenant
enance
issioning
, or modifi
proce
under taken
of the buildithe energy
by
optimum
maintenanc
fit-outs
contractor
of a system
cation to subsequent design ss
tor
.
ng system
can
HVAC&R
of a succe system performanc
the origin
is essen
contract. e in accordance needs to suppl
s.
systems impact on system
ssful maint
tial for
al design ers
Designers
e
fit-out
y
and
with
system
comm
performanc
the
THE AUSTRALIAN INSTITUTE OF REFRIGERATION,
AIR
CONDITIONING
AND
HEATING
THE
AUSTRALIAN
INSTITUTE
OF
REFRIGERATION,
AIR
CONDITIONING
AND
HEATING
THE AUSTRALIAN
OF REFRIGERATION, AIR CONDITIONING AND HEATING
need some INSTITUTE
, is
the maint
enanc
activities. may
imple
issioning
the ongoi have a responsibili
e and
enance
Rules or
ensure
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data will e program. Becau mentation
The maint
plan, the
that any
procedures ign as a result
ty to inform
form the
perso
enance
proposals ng maintenanc
negative
overall
maintenanc
maintenanc nnel comm
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of
need to
contractor
their
e
building
impacts
the
ission
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e
needs
owners and of the futureor life cycle costs clients of
maint
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responsibili
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of tenan be in place
ing
should
and licens
to ensur
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of their
responsibili
ensure
are
ties. Commthe system also enance
performanc t fit-outs on to
Tenant
tors with
design
that:
appropriateed to carry out appropriately e that
systems
have
the
issioning
• Comm
e is mitiga
regard to ties of system
Particularly
trained,
the work
can be
base buildi
.
personnel
issioning
ted.
maintenanc
skilled
conne
and
with
ng
are
procedures
carried
the provis
part I2 on
super vised
e.
considerable systems. They cted to or be
The maint
out appro
separate
as
can be
• Comm
maintenanc
priately, for plant and
access for energy efficient ions of the BCA
developmeenance contra
systems
regarding
issioning
e in thems complex and from
ctor shoul
nts in all
Tennant
are
responsibilimaintenance, installations and
require
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APPLICATION
APPLICATION
APPLICATION MANUAL
system MANUAL
and maint on such as the
under taken lyMANUAL
Operatorsrs
Maintainers
e
• monit
meets the
enance
asset regist
. They needskilled and super personnel be
or, meter
Auditors
system
manuals,
design
er and
vised
a good
shoul
, record
intent.
• comm
Surveyors
understand for the work
and repor
the contro d operate and
unicate
t system
ing
l system
in
maintenanc
• resolv
performanc
Figure
logic being particular fully of how each
e issues
e acces
2.4 HVAC&
under
Maintenanc
e,
applied
s issues
,
R system
,
to the systemstand
knowledge
and licenc e personnel
.
require
loops
a range
on HVAC es to carry out
of certifi
the
&R
cations
handling, systems partic required maint
and electr boiler work, waterularly in respect enance work
to refrige
ical work.
treatment,
rant
hydraulic
Inadequate
services
maintenanc
in unsat
e of
isfacto
unexpected ry operation, mechanical plant
higher costs
will result
breakdown
and unnec
s.
essary
AMMONIA REFRIGERATION
ure
INDOOR AIR QUALITY
WATER SYSTEM BALANCING
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
DA27
BUILDING COMMISSIONING
2.4 Im
plicat
of inadeqions
maintena uate
nce
•••
15
AIRAH technical publications
Purchase online at www.airah.org.au
APPLICATION MANUAL
DA
13
DA01 Centrifugal Pumps
DA11 Steam
An outstanding guideline for the
selection and application of centrifugal
DA01 pumps as used in the building services
industry for pumping water and other
fluids. Also covers pump characteristics,
selection, application, testing and
system fault finding. Published 1998.
Member price: $110 Non-member price: $195
A detailed guideline for the design
of steam distribution and condensate
DA11 recovery systems. Describes precisely how
to design and install efficient reticulation
systems to maximise steam heat energy
and minimise waste. Published 1998.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
CENTRIFUGAL PUMPS
APPLICATION MANUAL
DA02 Noise Control
A comprehensive two part manual
particularly valuable for building
DA02 services engineers. It covers
fundamentals, terminology and
definitions; the use and calculation of
noise ratings and recommended design
criteria. It also describes design methods for analysing
sound transmission from noise sources, both inside
and outside buildings, in order to estimate interior
and exterior noise levels. Published 1995.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
NOISE CONTROL
APPLICATION MANUAL
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
STEAM AND CONDENSATE
APPLICATION MANUAL
DA13 Fans
DA13 is an invaluable guide
to the selection and application
DA13 of centrifugal and axial fans for
mechanical services in buildings.
Fan types and their characteristics;
fan ratings; fan and system resistance
laws; fan control series and parallel interaction and
the effects of fan accessories are among a multitude
of aspects covered. Published 1998.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
FANS
APPLICATION MANUAL
DA15 Air Filters
This key publication on the selection
and application of filters for air
DA15 conditioning and ventilation is one
which should grace the bookshelves
of every building services practitioner
in Australia. It covers filter characteristics
and performances plus application guidelines for
the full range of buildings in which filters are used.
Published 1998.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
DA03 Duct Design
This detailed guideline for designing air
conditioning ductwork systems is one
DA03 of AIRAH’s most requested publications.
It covers sizing and the complete
acoustical analysis of ductwork systems
and the determination of qualities for
accurate design costing. Published 1987.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
DUCT WORK FOR AIR CONDITIONING
APPLICATION MANUAL
DA08 HVAC&R – An introduction
A concise overview of air conditioning
systems, describing the different
DA08 systems and system components for
the full range of equipment used by the
air conditioning, heating and ventilation
industry in Australia.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
HVAC&R AN INTRODUCTION
APPLICATION MANUAL
DA09 Load Estimation
& Psychrometrics
This comprehensive technical manual
describes the correct methods for
DA09 estimating air conditioning loads and
associated science of psychrometrics.
It includes monthly ambient dry and
wet bulb design conditions for over
500 locations in Australia, New Guinea, New Zealand
and South East Asia. Published 1998.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
AIR CONDITIONING LOAD ESTIMATION
APPLICATION MANUAL
AIR FILTERS
APPLICATION MANUAL
DA16 Water Piping
This manual provides advice on the
design of air conditioning water piping
DA16 systems including covers sizing, heat
loss/gain, selection of control valves,
pipe stress and cost estimating.
Other topics include data for steel,
copper and plastic piping and numerous other handy
charts and tables. Published 1994.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
AIR CONDITIONING WATER PIPING
APPLICATION MANUAL
DA17 Cooling Towers
This manual is an important guide
to the selection and application of
DA17 cooling towers for mechanical services
in buildings. Topics include tower
types and characteristics; selection
considerations; practical aspects of
performance, noise as well as water and energy
considerations; components and materials; installation,
commissioning, testing and maintenance.
Published 2009.
THE AUS TR ALIAN INS TITUTE OF REFRIGER ATION, AIR CONDITIONING AND HE ATING
COOLING TOWERS
APPLICATION MANUAL
Member Price: $110 Non-Member Price: $195
DA18 Water Treatment
DA26 Indoor Air Quality
DA18 provides details of scientific
principles on which present practices
DA18 of water treatment to prevent corrosion
and biological processes are based.
Proven techniques which can reasonably
be expected to be applied in water
treatment system design, installation maintenance
and monitoring are discussed. Published 1998.
Member price: $110 Non-member price: $195
This guide takes a close-up look at
measures to remediate indoor air quality
DA26 issues that can often be implemented
without major redesign or system
modification. This manual also details
indoor air quality management; health
and comfort factors; HVAC systems and the impact
of construction and renovation events on IAQ.
Published 2004.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
WATER TREATMENT
APPLICATION MANUAL
DA19 HVAC&R Maintenance
This manual covers maintenance for
all components of HVAC&R systems
DA19 and the performance capacity of
individual items of equipment, power
consumption monitoring and energy
savings. Published 2009.
Bonus: Includes a CD ROM containing relevant
schedules that allows the user to manipulate
and adjust according to job requirements.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
HVAC&R MAINTENANCE
APPLICATION MANUAL
DA20 Humid Tropical
Air Conditioning
This unique publication covers
climate and design conditions,
DA20 heat and moisture flow, building
considerations, system design,
equipment selection and application
and commissioning and maintenance
in tropical air locales. Published 2000.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
HUMID TROPICAL AIR CONDITIONING
APPLICATION MANUAL
DA21 Ammonia Refrigeration
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
DA21
AMMONIA REFRIGERATION
APPLICATION MANUAL
This manual details best practice
in the art of ammonia refrigeration.
It covers heat load calculation for
cold and cool rooms, as well as
equipment selection, installation
and commissioning. Published 2000.
Member price: $110 Non-member price: $195
DA24 Water Systems Balancing
DA24 covers the day to day task of
commissioning air conditioning
DA24 systems and equipment. The
procedures involved in preparing and
commissioning water systems are
discussed in the context of achieving
the designer’s intent and ensuring that systems
operate at maximum efficiency. Published 2003.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
WATER SYSTEM BALANCING
APPLICATION MANUAL
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
INDOOR AIR QUALITY
APPLICATION MANUAL
DA27 Building Commissioning
DA27 helps define and standardise the
commissioning process, outline the
DA27 critical steps and promote a common
language. Also included are sections on
specifying and procuring, documentation
requirements, transitioning to operation
and retrocommissioning. Published 2011.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
BUILDING COMMISSIONING
APPLICATION MANUAL
DA28 Building Management
and Control Systems
DA28 is intended to help building
practitioners understand and manage
DA28 BMCS and building controls. Chapters
include: Controls; BMCS; intelligent
buildings; implementing a control
system; briefing, scoping and engaging;
system design and specification; installing control
systems; system commissioning; and operation and
maintenance. Published 2011.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF REFRIGERATION, AIR CONDITIONING AND HEATING
BUILDING MANAGEMENT
AND CONTROL SYSTEMS
(BMCS)
APPLICATION MANUAL
DA29 Evaporative Air
Cooling Systems
DA29 is designed for those who may
not be familiar with evaporative air
DA29 cooling systems. It provides information
on the whole evaporative air cooling
story and explains how to design
systems, how to install them, how
to operate them, how to maintain them and how
to improve the performance of existing systems.
Published 2011.
Member price: $110 Non-member price: $195
THE AUS TR ALIAN INS TIT U TE OF REFRIGER ATION, AIR CONDITIONING AND HE ATING
EVAPORATIVE
AIR COOLING SYSTEMS
APPLICATION MANUAL
Complete set of DA Manuals
Purchase the complete set of AIRAH’s DA Manuals
and receive a 10% discount. The set includes all
19 current AIRAH DA manuals.
Member price: $1683 Non-member price: $3029
Prices valid until December 31, 2014. None of the above prices include postage.
HVAC Hygiene
Best Practice guideline
The HVAC Hygiene
Best Practice
Guideline describes
the components
HVAC Hygiene
of HVAC systems to
be evaluated, types
of contamination
likely to be
encountered
and important
information for
post-fire and
flood-damage
assessments.
This guideline also
details test methods that can be used to verify system
cleanliness following a system cleaning or restoration
project. Published 2010.
Member price: $110 Non-member price: $195
THE AUSTRALIAN INSTITUTE OF
REFRIGERATION, AIR CONDITIONING AND HEATING
BEST
PRACTICE
GUIDELINES
Fax form to (03) 9614 8949
DELIVER TO:
Company:
Attention:
Tel:
Fax:
Mob:
Address:
State:Postcode:
PAYMENT:
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Expiry date:
Cardholder’s name:
Backflow prevention items
Inspection and maintenance
report of backflow prevention device
Triplicate copies x 25
Member price: $30
Non-member price: $40
Signature:
ORDER FORM:
Item
Qty
Unit Price
Total
Backflow tags
Backflow tags are used to show that the backflow
device it is attached to must be tested and
maintained every 12 months.
Member price: $2 each Non-member price: $3 each
Minimum purchase: 10 tags
Psychrometric Pads:
A3 and A4 size
The A3-sized AIRAH psychrometric pad
features 45 pages of tear away psychrometric
charts. The A4-sized pad features 50 pages.
A3-size price: $24 A4-size price: $15
Sub Total
Postage and Handling:
Orders under $80 = $7.70
Postage
Orders over $80 = $13.20
International orders
Total
over $80 = $24.20
Express Post (up to 3kg) = $17 (incl GST)
TAX INVOICE upon payment. All prices are inclusive of GST.
Mail your cheque payable to – AIRAH
Level 3/1 Elizabeth Street Melbourne VIC 3000
Tel: 03 8623 3000
or order online at
www.airah.org.au