Vent-Axia FAN7200 Continuous Extract Ventilation System Instruction Manual
- June 12, 2024
- Vent-Axia
Table of Contents
FAN7200 Continuous Extract Ventilation System
Product Information:
-
Product Name: MultiVent Continuous Extract
Ventilation -
Description: The MultiVent continuous extract
ventilation system is designed for the simultaneous ventilation of
separate areas in the home and as a multipoint extraction system
for a wide range of commercial applications. The units can be wall,
ceiling, or loft mounted. Where the ambient air has a high humidity
content, condensate drains are provided. -
Product Code: FAN7200
-
Specifications:
-
Duct (mm): 125mm & 150mm
-
Max. Fan Watts (W): 85
-
Max. Fan Pressure (Pa): 810
-
Free Air Fan Performance (l/s): 159
-
Free Air Fan Performance (m3/hr): 572
-
Performance at 200 Pa (l/s): 123
-
Minimum Specific Fan Power (W/l/s): 0.14
-
Sound dB(A): 52
-
Class: B
-
SEC Value: Average Warm -26.9, Average Cold -11.4
-
Control Factor: 0.65
-
Typology: Local Demand Control
-
Max. Annual Electricity Leakage Rates Consumption Internal %
External % (kWh/a) -
Average Warm: -54.0
-
Cold: -54.0
-
Annual Heating Saved (kWh/a): Average Warm -26.9, Cold
-11.4
-
Product Usage Instructions:
-
Before using the MultiVent continuous extract ventilation
system, carefully read all the instructions provided in the user
manual. -
Ensure that the product is installed correctly according to the
mounting options available: wall, ceiling, or loft. -
If the ambient air has a high humidity content, make sure that
the condensate drains are properly connected and functioning. -
When using the product, follow these basic safety precautions
to reduce the risk of fire, electrical shock, and personal injury:-
Do not expose the product to water or moisture.
-
Keep the product away from flammable materials.
-
Do not insert any objects into the ventilation system while it
is operating. -
Unplug the product when not in use.
-
Do not attempt to disassemble or repair the product yourself.
Contact a qualified technician for assistance.
-
MultiVent Continuous Extract Ventilation
Description MultiVent Continuous Extract Ventilation System
Product Code FAN7200
The MultiVent continuous extract ventilation is designed for the simultaneous ventilation of separate areas in the home and as a multipoint extraction system for a wide range of commercial applications. The units can be wall, ceiling or loft mounted. Where the ambient air has a high humidity content condensate drains are provided.
Thank you for purchasing this quality MultiVent continuous extract ventilation
system. To ensure correct function and safety, please read all instructions
before using the product and keep all instructions for future reference.
When using electrical appliances, basic safety precautions should always be
followed to reduce the risk of fire, electrical shock and personal injury.
SPECIFICATIONS
Duct (mm)
125mm & 150mm
Max. Fan Watts
(W)
85
Max. Fan Pressure
(Pa)
810
Free Air Fan Performance
(l/s)
(m3/hr)
159
572
Performance at 200 Pa (l/s)
123
Minimum Specific Fan Power (W/l/s)
0.14
Sound dB(A)
52
Class B
SEC Value
Average Warm
-26.9
-11.4
Cold -54.0
Control
Factor 0.65
Typology
Local Demand Control
Max.
Annual Electricity
Leakage Rates
Consumption
Internal % External %
(kWh/a)
Annual Heating Saved (kWh/a)
Average Warm
Cold
<5
<5
0.6
28.3
12.8
55.4
Compliance: AS/NZS60335-2.80:2016
TYPICAL EXTRACTION LOCATIONS – BATHROOMS, TOILETS, LAUNDRIES, KITCHENS
The unit uses a highly efficient backward curved centrifugal motor impeller
set and is designed for continuous 24 hour use. Four settable speeds can be
configured to change these speeds based on an integrated sensor or separate
switch inputs (not supplied). The unit will run at a normal flow rate until
the humidity sensor or external switch input trigger a speed change. In the
case of the switched live and digital inputs, the units will perform a step
change in speed to the appropriate level. In the case of the analog inputs and
humidity sensor, the unit can be programme to give a proportional response to
the change in conditions.
The extracted air is replaced through natural air flow through the gaps around
doors and windows, trickle inlet slots, or best of all, the Manrose Puro
Filtered Passive Vent Kit (DCT4565) with typhoon cowl that has an effective
aerodynamic area of 3000mm2 without the filter and 1400mm2 with the filter
fitted.
Puro Filtered Passive Vent Kit DCT4565 Effective Aerodynamic Area
with Filter without Filter
1400mm2 3000mm2
A
B
C
D
E
ØF
330
390
111
250
96
125
Supply
Max. Operating Temp
220-240V AC, 50Hz
40°C
IP Rating IPX2
Motor Housing
Impeller & Outer Rotor
Die Cast Aluminium
PBT Plastic
Weatherproof Cowl 150mm Stainless Steel
Ducting Aluminium Foil
Installation Instructions Specifications are subject to change without notice. [email protected] | www.manrose.co.nz
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MultiVent Continuous Extract Ventilation
MULTIVENT CONTINUOUS EXTRACT VENTILATION SYSTEM INSTALLATION AND ELECTRICAL
CONNECTION MUST BE CARRIED OUT BY A REGISTERED ELECTRICIAN
CAUTION
· Do not install this product where excessive oil or a grease laden atmosphere
is or may be, present
· Do not install this product where corrosive or flammable gases, liquids or
vapours are, or may be, present
· Do not install this product where it may be subject to direct water spray
from hoses
· Do not install this product where access to, or removal, of the unit may be
obstructed
· Before use, please check that the supply voltage and that of the appliance
are the same (see product rating label). · All wiring and wiring connections
must comply with all current national wiring rules and regulations including
AS/NZS3000:2017,
or latest edition thereof. · Any changes or modifications made or attempted to
this product, without the prior written approval of the manufacturer,
will void any and all stated warranties. · This MultiVent continuous extract
ventilation system is not intended for use by persons (including children)
with reduced physical, sensory or
mental capabilities, or lack of experience and knowledge, unless they are
capable of, and have been given supervision or instruction concerning use of
the appliance by a person responsible for their safety. · Children should be
supervised to ensure that they do not play with the MultiVent continuous
extract ventilation system. · In case of damage to the supply cord, switch off
the device and do not tamper with it. Damaged supply cords must only be
repaired or replaced exclusively by the manufacturer or by an appointed
representative. Failure to comply with the above may endanger the safety of
people and cause possible damage to the whole system. · The unit must not be
connected directly to a tumble drier. · Precautions must be taken to avoid the
back-flow of gases into the room from the open flue of gas or other fuel-
burning appliances. · The exhaust grille should be located at least 600mm away
from any flue outlet.
BEFORE INSTALLING THE MULTIVENT CONTINUOUS EXTRACT VENTILATION SYSTEM, MAKE
SURE YOU HAVE TURNED OFF THE MAIN ELECTRICITY SUPPLY. DO NOT TURN IT BACK ON
UNTIL THE MULTIVENT
CONTINUOUS EXTRACT VENTILATION SYSTEM IS FULLY INSTALLED AND READY TO USE.
ALL ELECTRICAL WORK MUST BE CARRIED OUT BY A REGISTERED ELECTRICIAN IN
ACCORDANCE WITH THE LATEST WIRING RULES AS/NZS3000.
IMPORTANT
· This MultiVent continuous extract ventilation system is hot when in use. To
avoid burns, do not let bare skin touch hot surfaces. Keep combustible
materials away from the unit and keep them away from the sides and rear.
· Do not use near or in the immediate vicinity of a bath or swimming pool or
any wet areas. · When installing fan through an external wall, an external
wall grille must be fitted at all times. · This appliance incorporates an
earth connection for functional purposes only. · To protect against electric
shock, do not immerse cord or plug in water or any other liquids. · Do not
insert or allow foreign objects to enter any ventilation openings, as this may
cause an electric shock, fire or damage to the fan. · Do not put fingers or
foreign objects into the grille while in operation. · Any changes or
modifications made or attempted to this product, without the prior written
approval of the manufacturer, will void any
and all stated warranties. · To prevent overheating of this fan, keep the air
inlets and outlets clean and free of anything that may cause blockage.
Check all inlets and outlets from time to time to ensure it is clear of any
dirt or dust accumulation. DO NOT COVER. · Do not use it in areas where
gasoline, paint, or flammable liquids are used or stored. · This product
contains recyclable materials. Do not dispose of this product as unsorted
council waste. Please contact your local council for
the nearest collection point.
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MultiVent Continuous Extract Ventilation
INSTALLATION
Position the unit, taking into consideration the position of the rooms to be
ventilated, the exhaust position and the electrical services. Ensure there is
adequate access for installation and maintenance.
If the unit is sited in the heated void of the dwelling a condensate drain
should not be necessary. When sited in a roof cavity, consideration should be
given to fitment of a condensate drain. Alternatively the unit and ducting can
be externally insulated to minimize condensation within the units housing.
To reduce the system resistance in your duct system, and therefore lower the
speed, power consumption and noise of the fan, follow these guidelines: · Keep
the length of duct runs to a minimum, particularly the exhaust duct run. ·
When using the flexible ducting in the kit, make sure that it is fully
extended and not crushed, sagging or torn. · Try to minimize the use of
diffusers/valves by having similar length duct runs to the inlets. · The bend
radius (measured to the inside of the bend), should be at least 1x the duct
diameter. · Avoid having any bends, filters or other obstructions within 250mm
of the fan inlets and outlet.
Maximum length of flexible ducting
Duct Supports
Sleeve
Interior Grille Airflow
Sealant
Cavity
Exterior Grille
Airflow
Minimum radius = diameter of ducting
Peaks and troughs
Preferred flexible ducting route
Restrictions
Securely mount the unit through the mounting holes on the casing using
appropriate fixings (not supplied) for the mounting substrate. Fixings to be
capable of securing 4x the weight of the unit. Unit weight: 4.1kg. Anti-
vibration mounts, acoustic mats or rubber bushes can also be used.
Installation example shown below.
To maintain the IPx2 rating of the unit, the unit must not be mounted with the
cover removal slots facing upwards (as indicated by the red arrows), or at an
angle where they are visible from above. All other orientations are
acceptable.
Main power connections
Low voltage connections
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MultiVent Continuous Extract Ventilation
INSTALLATION
As per the picture above try to position the MultiVent fan housing in a
location central to all of the rooms that you are planning to extract from.
Also remember that the unit could create noise and should be mounted away from
bedrooms. Mount the MultiVent using the 4 mounting points. Bear in mind that
the exhaust (main extraction) is using 150mm aluminium foil ducting and a
150mm weather proof cowl. Each kit contains 3 x 6m lengths of 125mm aluminium
foil ducting for the extraction points.
· Cut a 126mm (minimum) hole in the required locations in the kitchen (minimum
2m away from the stove top), bathroom and toilet. · Disassemble the 125mm
diffusers (DCT0186) and mount the 125mm spigots to the ceiling in each
location using the four screws supplied. · Fit the diffuser escutcheon by
pushing it into the spigot.
· Extend the 125mm aluminium foil ducting and slide the spigot collar over the
ducting by approximately 150mm. · Slide the 125mm aluminium foil ducting over
the spigot. · Slide the spigot collar over the ducting pressing it firmly all
the way down the spigot clamping the aluminium foil ducting in place on the
spigot.
To prevent the spigot being pushed out, have another person pushing up from
below. Complete the other two rooms following the same instructions.
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MultiVent Continuous Extract Ventilation
INSTALLATION
· Mount the 125mm duct joiner (DCT0037) to the exhaust port of the MultiVent.
· Fit the 150mm to 125mm reducer (DCT3239) to the 125mm duct joiner and tape
both joints using the supplied duct tape.
· Fit the 150mm aluminium foil ducting (DCT0214) to the 150mm waterproof cowl
with mesh (DCT3619) and tape it to the spigot. · From outside of the building
cut a 150mm (minimum) hole in the outside cladding of the home and push the
150mm ducting through the hole. · Fit the waterproof cowl to the building
exterior and then from the roof space pull the ducting taut and tape it off at
the 150mm to 125mm reducer.
· Extend each length of the 125mm aluminium foil ducting pulling it taut and
tape off the three extraction points to the MultiVent unit. · Install
electrical wiring as per page 3 of the instruction manual.
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MultiVent Continuous Extract Ventilation
ELECTRICAL CONNECTIONS
1. To remove the cover, use a coin or similar; depress the retaining tabs via
the slots in the side of the unit. 2. With the power off, connect a suitable
mains power cable (preferably to an existing lighting circuit) to the screw
terminal block (L, N, Earth)
connections. Use the cable clamps and clip provided to secure the lead. 3. Two
mains voltage Live Switched (LS1 and LS2) connections are provided, and can be
used to trigger a change in speed. Common inputs
would be from a bathroom lighting circuit. When commissioning the unit, a
delay on timer and an overrun timer can be selected and adjusted in the
software using the buttons and screen. See Commissioning section on page 10 of
this document for details. 4. The switched live output (230V AC) from any
other switch or controller, (such as a simple latching pullcord or push button
switch, humidistat or PIR detector) can be connected to the LS terminal
instead of connecting to a lighting circuit.
L N E LS1 LS2 NS
1
2 3
6 5 4
Terminal 1L 2N 3
Description Live (220-240V AC) Neutral Protective Earth
Connection L3 (Brown) N (Blue) E (Green/Yellow)
Terminal Description 4 LS1 Live Switched 1, (220-240V AC), isolated 5 LS2 Live Switched 2 (220-240V AC), isolated 6 NS Neutral Switched, isolated
Connection L2 (Black) L1 (Grey) Link to N
NOTE: LS1, LS2 and NS terminals are electrically isolated. If the LS connections are used, a connection must be made with the NS terminal. This can be via a jumper or dedicated neutral connection.
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MultiVent Continuous Extract Ventilation
LOW VOLTAGE CONNECTIONS
1. Important: Use 4-core, low voltage, twisted pair, telecoms type cable for
accessories. Accessories are connected via the IO (Input Output) PCB; see the
Low Voltage Connections diagram in the Main fitting and wiring guide.
Pos/Label Description Action
A
5V
5V Output, Max 250mA
RS485 communication to wired accessories. Data connection (B, C) if
B A+ Data C B- Data
available. The 5V and Ground connections are available on all units.
D GND Ground
E
COM
Digital input common
Go to Boost speed (Min.1V, max. 6V).
The 5V output from the RS485 connection can be
used as a power supply
F + Digital input 2
G
COM
Digital input common
Go to Low speed (Min.1V, max. 6V).
The 5V output from the RS485 connection can be
used as a power supply
H + Digital input 1
I
COM
Digital output common
Unpowered Boost indicator Switch
(switching 6V 50mA max)
J + Digital output 2
K
COM
Digital output common
Unpowered LED fault indicator switch
(switching 6V 50mA max)
L + Digital output 1
M + Analog input 2 0-10V analogue input
N GND Ground
Two user settable voltage thresholds with two user settable actions. The unit will run at normal when
O + Analog input 1 supplied voltage is between the two thresholds.
P GND Ground
2. RS485 Wired inputs
The RS485 terminals are used to connect compatible sensors and switches. The
connection allows sensors be daisy chained to simplify wiring. The maximum
length of cable run from. The unit is limited to 250m. Once accessories are
wired to the unit, they must be paired to the unit to function correctly.
Low Voltage Switch’s Boost & Low Speed
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MultiVent Continuous Extract Ventilation
FEATURE DESCRIPTIONS
Comfort Mode
If Comfort mode is enabled the unit will behave as follows to all LS inputs
Trigger
Action
LS input active less than 5 minutes
No action (continue to run at Normal speed)
LS input active more than 5 minutes but less than 20 minutes
Once LS input is removed, fan will run at user selected speed for the length of time LS was present plus the set over-run time (if over run is enabled).
LS input active more the 20 minutes
Unit will Boost after 20mins. Once LS input is removed, fan will run at user selected speed for 20 minutes plus the set overrun time (if over run is enabled).
The above applies to all LS inputs. The times are not adjustable by the user.
Delay On A delay can be set so that the unit will not respond to an input
until after the set delay has elapsed, applies to LS inputs only.
Overrun Timer The unit can be set to run for a defined period after the input
is removed, applies to LS inputs only.
Humidity Rapid rise Rapid Rise humidity response functions to detect rapid
rises in humidity when the ambient %RH is under the threshold setting. If a
rapid rise is detected the fan will boost until the humidity lowers again.
Humidity Ambient response When ambient response is enabled the threshold
set point is modified based on the ambient temperature. This helps to prevent
nuisance boosting of the unit as temperatures changes during the day.
Humidity Threshold* The unit will boost when the RH is above the threshold
set point.
Analogue inputs Both analogue inputs have adjustable low and high trigger
voltages within the 0-10V range. The response to being above or below either
of the threshold voltages is user settable. Note: The display doesn’t show a
decimal point, for example at threshold voltage of 5.2V, is displayed as “52”
on the unit.
Digital Inputs The unit can be set to change speed (selectable), based on
whether the digital inputs are above or below the threshold voltage. See the
table of Low Voltage Connections for details.
Display Lock To protect the settings on the MultiVent unit a pin code can be
enabled via the main menu. Once the lock function has been enabled the Pin
code can be set. The 3-digit pin is A to F, 0 to 9, and the default is LoC.
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MultiVent Continuous Extract Ventilation
UNIT ADJUSTMENT
1. Commissioning and configuration on all products is supported by the 3
digit user interface and associated push buttons.
2. When powered on, the unit will display the firmware revision number, after
a few seconds the unit will display the first option in the menu structure
(see below).
3. The display will enter standby mode after 30 seconds, press the Mode
button to turn the display back on. 4. Changes to the settings can be made via
the + and buttons, the Mode button will accept changes and move onto the
next menu option. 5. When setting the speeds, there is an internal logic:
Low<Normal<Boost<Purge. I.e., Boost is always higher than Normal. 6. The
actions for each of the Live Switched (LS), inputs are selectable. The setting
for delays and over run timers are applicable to all inputs. 7. To restore
factory settings, Press and hold “Mode” button for 10 seconds.
USER CONFIGURABLE PARAMETERS
Display Text L10 n35 b70 P100 LS1 LS2 LS3 c-n d-n d10 o-n o10 r-y A-n h70 C2b C2P A1LA A1HA A1tL A1tH A2LA A2HA A2tL A2tH D1 D2 unl PIn dt30 rot hu tu CO2 end
Function Low Speed Normal Speed Boost Speed Purge Speed Live Switch 1 Live Switch 2 Live Switch 1 & 2 Comfort Mode Delay On Delay On Time Overrun Overrun Time Humidity – Rapid Rise Humidity – Ambient Response Humidity – Ambient Response Threshold CO2 – Boost Threshold CO2 – Purge Threshold Analogue 1 – Low Action Analogue 1 – High Action Analogue 1 – Low Threshold Analogue 1 – High Threshold Analogue 2 – Low Action Analogue 2 – High Action Analogue 2 – Low Threshold Analogue 2 – High Threshold Digital input 1 – Action Digital input 2 – Action Unlock Code Display Pin Display Time Rotate Display Humidity Temperature CO2 End
Selections 1 to 97% motor speed 2 to 98% motor speed 3 to 99% motor speed 4 to 100% motor speed Low, boost or purge speed Low, boost or purge speed Low, boost or purge speed Comfort mode – Yes or No Delay on – Yes or No Delay to boost duration – 1 to 60 minutes Overrun – Yes or No Overrun duration – 1 to 60 minutes Rapid Rise Rapid rise – Yes or No Ambient response – Yes or No Ambient response threshold – 40 to 80% RH Boost threshold 650 – 4950 PPM Purge threshold 700 – 5000 PPM Low, normal, boost or purge speed Low, normal, boost or purge speed Low threshold – 1 – 99 High threshold – 1 – 99 Low, normal, boost or purge speed Low, normal, boost or purge speed Low threshold – 1 – 99 High threshold – 1 – 99 Low, boost or purge speed Low, boost or purge speed Turn the menu lock OFF/ON 3 characters A to 9 Adjust display illumination period Invert the display Show the current internal humidity Show the current internal temperature Show the current CO2 level End of menu (loop to start)
Default 10% 35% 70% 100% Low Boost Purge No No 10m No 10m Yes No 70% 950 2000
Low Boost 15 75 Low Boost 15 75 Low Boost
LoC 30 s rot % °C PPM
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MultiVent Continuous Extract Ventilation
COMMISSIONING TYPICAL 3 ROOM SYSTEM
In the following step we will provide an example of how to wire and control an
MultiVent system hardwired to a Bathroom, Kitchen and Toilet. The MultiVent
will utilize Humidity Rapid Rise in its response and the 2 larger rooms
(Bathroom and Kitchen) will also provide a PURGE speed function if these 2
rooms are switched on together. Before commencing please ensure that all power
is OFF and ensure that it is electrically safe before starting. Wire the
230VAC connections as per the diagram below. Wire mains connections from a
suitable source (lighting circuit) or add a new dedicated circuit from an RCD
protected 10A MCB with the cable to L (live – BROWN), N (neutral – BLUE) and E
(protective earth GREEN/YELLOW). Wire a 230V connection from a switch
located in the Bathroom that could be either a dedicated FAN switch (or a
connection from a LIGHT switch) and connect the L (BROWN) wire back to LS1. Do
the same from a switch located in the Kitchen and connect the L (BROWN) wire
back to LS2. Hardwire a NEUTRAL LINK (BLUE or BLACK) from the N (neutral –
BLUE) mains connection to the connection labelled NS (neutral switched).
L
N
E LS1 LS2 NS
L
N
NEUTRAL LINK
From Bathroom
From NS Kitchen
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MultiVent Continuous Extract Ventilation
For the toilet the MultiVent will use its Extra Low Voltage connections for
control. Using a short piece of wire connect a 0.5mm (or similar sized wire)
from the GND terminal at the RS485 connection to the COM terminal adjacent to
DIN 2 (digital input 2) + connector. Using a twin red TPS cable connect one
RED core to the + connector at DIN 2 and connect the other RED core to the 5V
terminal at the RS485 connection. Run the other end of the cable to the toilet
FAN switch and connect the 2 red cores to the C (common) and the normally open
(usually labelled 1) connections at this switch. See diagram below.
RED
RED
C
1
TOILET
Using instructions from the section “UNIT ADJUSTMENT” make the following
changes:
LS1 change from Low to BOOST D2 change from Purge to BOOST
With this completed the MultiVent once switched ON will operate in NORMAL
speed (35%) when the bathroom FAN switch is turned on the MultiVent will
operate at BOOST (70%) speed clearing away steam and humidity if the kitchen
FAN switch is turned on the MultiVent will operate at BOOST (70%) if both
bathroom and kitchen FAN switches are turned on together the MultiVent will
operate at PURGE (100%) speed helping to clear away steam and cooking odours.
The toilet FAN switch will also turn the MultiVent on to BOOST (70%). Please
note that only having the 2 larger rooms (bathroom and kitchen) switched on
will activate PURGE (100%) speed.
FOR COMPLIANCE WITH G4/AS1 CLAUSE 1.5
These applications are to be installed and maintained to the requirements of
AS/NZS 3666.1 and AS/NZS 3666.2.
FAULT CODES
If the MultiVent unit detects a fault it will display an error message on the HMI display.
Fault Code Description
F01
Control fault Unit failed startup check
F02
Motor Fault No RPM
F03
Humidity/Temp sensor Fault No value
F04
Temp or Humidity sensor connected via RF/RS485 is offline/Lost
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MultiVent Continuous Extract Ventilation
SPARE PARTS
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED FROM THE
POWER SUPPLY DURING PART REPLACEMENT. 1. Individual faulty parts should not be
replaced due to complexity of assembly. Only the full scroll assembly is
replaceable. 2. To remove the scroll assembly, isolate the power, then use a
coin or similar to depress the cover retention clips and remove the cover. 3.
Disconnect and remove the power supply and signal leads. 4. Remove the scroll
assembly by unscrewing the two screws and unclipping the clips in the opposite
two corners and lift the scroll assembly out of the housing. 5. The fan has
sealed for life bearings, which do not require lubrication. Expected service
life is at least 45,000 hours continuous running. 6. Upon reassembly, check
all fixings are tight and secure.
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Appraisal No.1152 [2021] Distributed by Simx Limited PUB1644 2210