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INSTALLATION GUIDE
BR500ST / BR522ST
BRW600ST / BRW622ST
BRB700ST / BRB722ST
Under our policy of continuous product development,
product specications may change without notice.
Please refer to the online version of the manual for the
latest updates and specications.
Revision V6 08/06/22
www.schweigen.com.au
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Welcome
Thank you for purchasing your new Schweigen exhaust fan system.
To get the maximum output from this unit, please read through this guide before use and installation.
This guide contains important information on the correct use and maintenance of the unit, as well as important
safety notes. This will ensure your personal safety and the lasting value of your Isodrive system.
Please always retain your proof of purchase to aid in any warranty queries.
This appliance and its packaging are produced by processes that minimise waste and respect the environment.
Please help us to continue this eort to protect the environment by using the appliance eciently and dispose
of the packaging in a responsible manner.
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Index
1. Welcome _____________________________________________________________________________________ 2
2. Your Safety
Before Installation ______________________________________________________________________________ 4
Electrical Cord __________________________________________________________________________________ 4
Motor Features ________________________________________________________________________________ 5
General Notes on Installation and Use ____________________________________________________________ 5
Recommended Installation Distance _____________________________________________________________ 5
3. General
Minimum Mounting Height ______________________________________________________________________ 6
Avoidance of Back Flow _________________________________________________________________________ 6
Safety of Children ______________________________________________________________________________ 6
Replacement of Supply Cord _____________________________________________________________________ 6
Why Flexi-duct _________________________________________________________________________________ 6
4. Installation
Roof Installation _______________________________________________________________________________ 7
Wall Installation ________________________________________________________________________________ 9
Flat Roof Installation ___________________________________________________________________________ 11
Through Wall Installation for Isodrive 900 _______________________________________________ 12
Fan Unit Shutter Assembly for Isodrive 900 (Optional) _____________________________________ 13
Dual Vent System Installation ________________________________________________________ 14
5. Measurements
Measurements for Isodrive 900 _________________________________________________________________ 15
6. Flexible Duct
Shallow Roof Space _______________________________________________________________ 16
Important Note __________________________________________________________________ 17
Securing Flexible Duct _____________________________________________________________ 18
7. Maintenance
Roof Restoration or Cleaning ________________________________________________________ 19
8. Warranty/Disclaimer ________________________________________________________________________ 20
9. Vent Measurements ____________________________________________________________ 21
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2. Your Safety
RECEIVING YOUR EXHAUST FAN
Please read this section thoroughly before attempting to operate the appliance.
Inspect your product upon receipt. Any damage or defects MUST be reported
within 48 hours, or no claim will be recognised.
DO NOT INSTALL THIS APPLIANCE IF YOU FIND IT DAMAGED.
If this product is installed damaged, the supplier, nor the retailer, will be responsible
for the costs associated with the repair, replacement, removal or re-installation of
the appliances.
This appliance is not intended for use by person/s (including children) with reduced physical, sensory or
mental capabilities, or lack of experience and/or knowledge. Unless the person has been given supervision
or instruction concerning the use of the appliance by a person responsible for their safety. Children should be
supervised to ensure that they do not play with the appliance, it is not a toy.
Air exhaust must be installed in accordance with local laws.
Before Installation
We recommend this appliance to be installed or repaired by an experienced Home Appliances technician.
Please see our website www.schweigen.com.au for experienced installers.
It is dangerous to modify any part of this appliance. Modication of any kind, will immediately void the warranty.
Electrical Cord
Ensure the supply cord is not exposed to heat, chemicals or sharp objects. If the supply cord is damaged, it must be
replaced by the manufacturer, service agent or a similarly qualied person in order to avoid a hazard. The power
supply cord connection MUST BE installed in such a way that access is easy in case of emergency.
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2. Your Safety
This manual is for the installation of the motor systems use for bathroom and general extraction.
Motor Features
• Universal mounting all position with IPX4 degree of weather protection
• Patented anti water intrusion system.
• Acoustic dome with super quiet, long vane, backward curved centrifugal fan.
• Airow is dependant on installation and the ducting used.
• Using a single 200mm exi duct run you should attain 900m
• The use of a smaller 200mm ducting would result in a loss of airow.
• Simple installation: - Mounts onto a 150mm PVC pipe for ultimate strength and allows for easy
Dektite roof sealing.
• Industrial quality motor and fan made in Germany and rated at 40,000 hours.
• Motor is a high eciency PSC type and rated at 57W.
• WARRANTY 5 YEARS return to manufacturer. Covers faulty manufacturing or components. It does not
cover normal wear and tear.
3
/hr depending on the ducting installation.
General Notes on Installation and Use
This fan unit is designed to be installed using 150mm (ISD) PVC pipe as the initial connection duct to the fan
module, and is supplied with a 150mm (ISD) PVC pipe to 200mm duct bell-mouth adaptor.
This fan is suitable for connection to ducting runs with a minimum inlet area of 22,000mm
8 metres maximum (check with supplier if longer duct length required). ducting must be extended suciently
to present a smooth air passage with bends of at least the radius of twice the diameter of the duct.
Excessive bends in the ducting will compromised extraction.
WARNING: The exhaust fan must not be ducted into a wall cavity or a ceiling space, where a build up of grease
can occur and become a potential re risk. This will void your warranty.
2
and length up to
Recommended Installation Distance
Isodrive 900 motor, recommended 4 metres of ducting and with at least two bends.
NOTE: Installation closer than this distance may result in higher noise level. Maximum duct length is 8 metres.
Check with supplier if longer duct length is required. Do not reduce the duct size at any time and avoid
sharp bends.
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3. General
Minimum Mounting Height
This fan unit is intended for mounting at a minimum height of 2.1 metres (measured to the lower part of the
fan impeller) above oor/ground level.
Avoidance of Back Flow
Care should be taken to avoid the back ow of gases into the room.
Safety of Children
This fan is not intended for use by young children or inrm persons without supervision.
Replacement of supply cord
If the supply cord is damaged, it must be replaced by a service agent or suitably qualied person in order
to avoid a hazard.
Why Flexi-duct
Some internet sites strongly recommend the use of rigid ducting over fully exible ducting.
The use of a complete rigid or semi-rigid ducting system will cause an organ piping eect to occur; like a
didgeridoo, where a noise is produced at one end of a hollow rigid pipe and the noise is amplied out the other.
The motor system puts the noise outside the house.
Warning: Installation without the use of at least the minimum recommended length of acoustically matched
exi-ducting will void performance expectations. Any installation problems must be reported to Schweigen.
Call outs relating to incorrect installation will result in a service fee direct to the customer. Schweigen takes no
responsibility for problems caused by faulty installation. Faulty installation may void warranty. An experienced
installer list can be obtained from the Schweigen website www.schweigen.com.au or call 1300 881 693.
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4. Installation
Roof Installation
Recommended duct length: minimum 4 metres.
Mount 150mm (ISD) rigid PVC pipe securely to beams, trusses or other appropriate structures: refer gure 1.
The pipe should be mounted vertically with the roof penetration being sealed using a Dektite or other appropriate
sealing membrane or device.
Ensure that the PVC pipe protrudes a minimum of 50mm past the top of the Dektite, checking that the fan
assembly clears the roof cladding at upper edge as shown in gure 1 — Roof Mount Option.
Pass power cord and plug through mounting ange and pipe, then out the slotted PVC pipe for connection to the
socket. Refer to gure 4.
Do not insert plug into socket outlet or switch on until installation has been completed. Fit fan module to pipe and
x in position using side locking screw.
Certain external installation congurations may cause audible levels of noise to be heard due to the air being
expelled from the motor. To minimize external noise disturbance you can use between 4 to 8 metres of duct to
place the Isodrive motor in an appropriate position.
3
Please be aware that the 900 motor is capable of expelling air at 900m
For more information on environmental noise limit and conditions please contact your local Council. We have a list
of experienced installers available on the Schweigen website.
Do not install the duct in a straight line and minimum of two gentle bends in the ducts is required.
/hr.
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4. Installation
Backdraft shutter (optional)
Power Cord
150mm PVC Pipe
(Locking holes fan end)
Dektite
900 motor
50mm
Pipe protrusion above Dektite
Fix fan module using side
locking screw
Bell-mouth Adaptor
NOTE: Prevent any cord bunching by
pulling cord through from plug top end
Connect to power supply
Fit side supports to locate pipe
Strap to supports
Connect to
bathroom
vent
NOTE: Minimum ducting length
4 metres. Fully extend ducting,
cut to length.
Figure 1: Roof mount option
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4. Installation
Wall Installation
This type of installation is similar to roof mounting, ensuring that the pipe extends at least 50mm past the wall
surface refer gure 2. If the pipe length is shortened, reproduce the power cord exit slot on the inside of the
wall.
NOTE: By decreasing the length of the duct from which specied (refer to installation instructions) there will
be an increase in airow and noise levels as a result. This increase in airow can cause movement of air to be
heard through the system and inhibit the system to run silently.
Optional Mounting Flange
(P40113MF*)
Optional Backdraft Shutter
900
motor
Locking screws to be fully
tightened engaging in holes
From outside face of ange to end of pipe (or
wall if mounting ange not used)
50
Wall
150mm PVC Stormwater Pipe
Locking screws
Locking holes at 4 and 10 o’clock
Wall Optional
Fitment Pipe
50
Seal with silicone or
urethane
*Optional wall mounting ange (P40113MF) is available
from Schweigen, please contact 1300 881 693.
Fill gap between pipe
and wall or t second
wall mount ange if
required
Power cord to
240V supply
Figure 2: Wall installation
IMPORANT
For more exible ducting instructions, refer page 17.
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4. Installation
Min 150mm long
150mm PVC pipe
Bell-mouth Adaptor
IMPORTANT: When
mounting pipe fan
locking holes to be in
outside end of pipe
(fan end)
Locking holes at
10 and 4 o’clock
200mm ducting
900 motor
Min 50mm
Backdraft shutter
(optional)
Cord slots at bottom
(6 o’clock position)
NOTE: Ensure that power cord is fed through exit slot and
is not allowed to double back restricting fan inlet.
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900 motor
Backdraft shutter
(optional)
Figure 3: Wall mount option
NOTE: Prevent any cord
bunching by pulling cord
through from plug top end
Fix fan module using side locking
screw at 4 & 10 o’clock
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4. Installation
Flat Roof Installation
Flat roof mounting using optional mounting ange*.
Engage locking
screws in holes
Backdraft shutter
(optional)
900 motor
Optional mounting ange
P40113MF*
Seal top edge of ange
Seal 3 holes in
stepped surface
Seal between mounting
ange and cover
Up-stand and
capping
Power supply cord
passing through
pipe slots
NOTE: Cut 150mm PVC storm
water pipe to length and reslot
ducting end. Ensure that fan end
locking holes remain
Protrusion of pipe above
50
mounting ange
Bond ange to pipe using
silicone, urethane or type ‘N’
PVC solvent cement
Dektite
Roof Cladding
200mm Ducting
*Optional wall mounting ange (P40113MF) is available
from Schweigen, please contact 1300 881 693.
Figure 4: Flat roof installation
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4. Installation
Through Wall Installation for Isodrive 900
Fan Unit
Optional Shutter Assembly
(200mm BDSS BUILD ASS)*
Ensure that power cable
passes through the cover
plate notched recess and is
clear of cut edges
Optional wall cover plate with
notch at bottom P1108*
Minimum pipe protrusion from
wall surface
Wall
47mm
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Wall cover plate
(optional part)
Figure 5: Wall installation
Power cord
Slot in pipe at bottom (6 O’Clock)
*Optional parts are available from Schweigen, please contact 1300 881 693.
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4. Installation
Fan Unit Shutter Assembly for Isodrive 900 (Optional)
1. Assemble by tting shutter assembly into fan inlet shroud moulding, ensuring that attaching screws align
with holes. Alignment can be checked visually by folding in shutter aps.
2. Fully tighten both screws and re-check tment into holes.
3. Fit assembly to duct pipe as per installation instructions supplied.
Attaching screws
Attaching hole
Inlet shroud moulding
Shutter Assembly
(optional)
NOTE: With through wall installations ap
shaft will be close to vertical
Figure 6: Shutter assembly
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4. Installation
BR522ST, BRW622ST, BRB722ST Duel Vent System or
optional DVK500ST, DVK600ST, DVK700ST Installation
For dual installation, bathroom, toilet or laundry,
adjust inlet grilles to balance air ow as required.
The strongest extraction should be at the shower,
please adjust damper accordingly.
To main
power/switch
Additional dual vent kit, Y-branch, 3
metre length exi ducting and inlet
grille with adjustable damper
Bell-mouth Adaptor
Optional
Y-branch
3m of ducting
3m of ducting
Cut 232mm dia hole for
grille tment
Figure 7: Ventilation option for dual vent
IMPORTANT
• Do not reduce the ducting size. 200mm must be used. Reducing the ducting will reduce extraction
• No sharp bends in the ducting
• Do not kink the ducting
• keep the amount of bends in the ducting to 2 or 3
• Do not use semi-rigid or solid ducting
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Measurements for Isodrive 900 (Not to Scale)
270mm
160mm
5. Measurements
Dektite
198mm
515mm
130mm
50mm
242mm
50mm
160mm
Backdraft shutter
(optional)
Figure 8: Measurements for Isodrive 900
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6. Flexible Duct
Flexible Ducting
Flexible ducting must be fully extended and cut to the required length upon installation. Maximum fan
performance will not be achieved unless the ducting is fully extended. Failure to fully extend the ducting results
in smaller air passage and lower airow. Incorrect installation may reduce airow and increase noise levels. Call
outs relating to incorrect installation will result in a service fee directed to the customer. Schweigen will take no
responsibility for problems caused by faulty installation. Installation must be carried out by a qualied technician.
An experienced installer list can be obtained from Schweigen website www.schweigen.com.au.
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6. Flexible Duct
Shallow Roof Space
In shallow roof spaces, do not crush or kink exible ducting, as it will reduce air ow severely. 90 degree curve
made of PVC or galvanise can be used as a substitute for the bend, refer to gure 9.
90 degree curve PVC or
galvanise curve
Figure 9: Shallow roof space
Important Note
Please do not crush or kink exible ducting, as it will reduce air ow and may cause noise to occur through the
system. Ducting needs to be kept taut at all times.
Figure 10: Flexible duct recommended installation
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6. Flexible Duct
Securing Flexible Duct
Flexible duct must be installed with supports at maximum intervals of 1.5 metres. Flexible ductwork can be
supported by using gaer or electrical tape. Provided that it does not restrict the internal diameter of the
ducting. Ducting installed looped over hanging beams should be installed in such a manner as to ensure the
changes of direction are gradual. Support of the ducting with the use of hangers may be required, see option 2.
NOTE: Ducting should be kept taut at all times.
Option 1
Secure the exible duct
to the beam
Option 2
Support exible duct
by using hangers.
NOTE: Care shall be
taken to minimize
sagging or snaking
of the duct between
supports.
Aluminium foil
tape
Hanger
Aluminium foil tape
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Figure 11: Securing exible duct
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7. Maintenance
Roof Restoration or Cleaning
Before doing your roof restoration or cleaning, please completely cover the outside motor system and avoid all
chemical contact.
IMPORTANT
Any damages caused by the
use of chemical products are
not covered by warranty.
Figure 12: Avoid chemical contact to motor system
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8. Warranty/Disclaimer
Warranty
BR500/522ST, BRW600/622ST and BRB700/722ST has a 5-Year replacement product warranty. This is a
change over warranty. The consumer is responsible for any charges associated with removal of the faulty
unit and installation of the new unit. The customer is also responsible for any freight charges incurred in this
change over process.
(See warranty for more information)
Disclaimer
Under our policy of continuous product development, product specications may change without notice.
Prospective purchasers should therefore check with the retailer to ensure this publication correctly describes
the products being oered for sale. All information supplied is to be used for general reference purposes only
and is on the understanding that Schweigen Home Appliances will not be liable for any loss, liability or damage
of whatever kind arising as a result of any reliance upon such information. All pictures used in the guide are for
illustrative purposes only.
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A B C D E F G
185 232 265 147 73 95 16
185 232 265 147 73 95 16
BR500ST, BR522ST - Measurements
9. Vent Measurements
A B C D E F G
Hold diffuser
again st board
and p ush upwa rds
Operation of toggle clips
Toggle clip snaps
into p lace hol ding
diffuse r firmly
BR500ST Reducer
200
150
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9. Vent Measurements
BRW600ST, BRW622ST - Measurements
303
200
52.735.8
89
44.5
194.35
255
303
Two timber support batons by installer
194.25mm outlet
Ceilling
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240 x 240
255 x 255
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312
9. Vent Measurements
BRB700ST, BRB722ST - Measurements
200
51.735.8
48.4
89
196
252
312
Two timber support batons by installer
194.25mm outlet
Ceilling
Plaster in edge strip
251 x 251
312 x 312
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Australia 4/1-5 Lake Drive, Dingley Village, Victoria 3172. Phone 1300 881 693
Email sales@schweigen.com.au Web www.schweigen.com.au
New Zealand 5 Tolich Place, Henderson, Auckland 0610. Phone 0800 200 510
Email info.parex@emerson.com Web www.parex.co.nz
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