Xpelair Xcell 400 QV User manual

1
Installation and
Operating Instructions
Xcell 400 QV
Xcell 400 QVW
Xcell 400 QVI
Mechanical Ventilation Unit with Heat Recovery
Please ensure these instructions are kept safe and accessible at all times.

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Table of Contents
1General Information .................................................................................................................... 4
2Components and Materials of Construction ............................................................................. 4
3Regulations and Safety Instructions ......................................................................................... 5
4Application and Planning ........................................................................................................... 5
4.1 Application..................................................................................................................................................5
4.2 MVHR operation overview .........................................................................................................................5
4.3 MVHR installation planning........................................................................................................................6
5Installation ................................................................................................................................... 6
5.1 General information ...................................................................................................................................6
5.2 Impact noise reduction...............................................................................................................................7
5.3 Wall mounting the MVHR...........................................................................................................................7
5.4 Heat exchanger retaining bracket ..............................................................................................................7
5.5 Ducting........................................................................................................................................................7
5.5.1 Duct connections........................................................................................................................................8
5.6 Condensate drain........................................................................................................................................9
5.7 Installation example ...................................................................................................................................9
5.8 Installation dimensions.............................................................................................................................10
5.8.1 Right hand installation..............................................................................................................................10
5.8.2 Left hand installation................................................................................................................................11
6Technical Data ........................................................................................................................... 12
6.1 Air flow settings (Xcell 400 QV model only) .............................................................................................12
6.2 Air flow settings (Xcell 400 QVW model only)..........................................................................................12
6.2.1 PCB port pins (Xcell 400 QVW model only) ..............................................................................................12
6.3 Air flow settings (Xcell 400 QVI model only) ............................................................................................13
6.4 Factory speed settings (All Xcell 400 models) ..........................................................................................13
6.5 Technical data...........................................................................................................................................13
6.6 Applied Energy accessories for manual or automatic MVHR operation ..................................................14
6.7 Applied Energy MVHR spares ...................................................................................................................14
7Electrical Wiring Diagrams ....................................................................................................... 15
7.1 Manual 2-speed switch (Xcell 400 QV model only)..................................................................................15
7.2 Automatic 3-speed switch (Xcell 400 QVW model only)..........................................................................16
7.3 Automatic 3-speed switch & CO2sensor (Xcell 400 QVW model only)....................................................17
7.4 Automatic 3-speed switch, CO2sensor & up to three humidity sensors (Xcell 400 QVW model only) ...18
7.5 Automatic 3-speed switch & up to four humidity sensors (Xcell 400 QVW model only).........................19
7.6 MVHR automatic control –connection PCB (Xcell 400 QVI model only).................................................20
7.7 CO2sensor (Xcell 400 QVI model only).....................................................................................................21
7.8 Humidity sensor (Xcell 400 QVI model only)............................................................................................22
7.9 7-day timer switch (Xcell 400 QVI model only) ........................................................................................23
7.10 Smoke alarm (Xcell 400 QVI model only) .................................................................................................24
7.11 RF Receiver (Xcell 400 QVI model only)....................................................................................................25
7.12 RF Transmitter (Xcell 400 QVI model only) ..............................................................................................25
7.13 Main MVHR PCB (Xcell 400 QVI model only)............................................................................................26
8Controller Functions ................................................................................................................. 26
8.1 Manual 2-speed switch (Xcell 400 QV model only)..................................................................................26
8.2 Automatic 3-speed switch (Xcell 400 QVW model only)..........................................................................27
8.3 CO2sensor (Xcell 400 QVW model only) ..................................................................................................28
8.4 Humidity sensor (Xcell 400 QVW model only) .........................................................................................28
8.5 Control panel (Xcell 400 QVI model only) ................................................................................................29
8.5.1 Control panel –normal operation............................................................................................................29
8.5.2 Control panel –main menus ....................................................................................................................29
8.5.3 Control panel –summer bypass temperature (settings menu) ...............................................................30
8.5.4 Control panel –filter cleaning or replacement reminder (settings menu) ..............................................30
8.5.5 Control panel –operational dimensions menu........................................................................................31

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8.5.6 Control panel –real-time timer menu (optional).....................................................................................32
8.6 CO2Sensor (Xcell 400 QVI model only).....................................................................................................32
8.7 Humidity sensor (Xcell 400 QVI model only)............................................................................................33
8.8 Filter monitoring (Xcell 400 QVI model only) ...........................................................................................33
8.9 Automatic defrost protection for the MVHR (Xcell 400 QVW model only) .............................................33
8.10 Automatic defrost protection for the MVHR (Xcell 400 QVI model only)................................................33
8.11 Automatic defrost protection for living areas (Xcell 400 QVI model only) ..............................................34
8.12 7-day timer switch (Xcell 400 QVI model only) ........................................................................................34
8.13 Smoke detector (Xcell 400 QVI model only).............................................................................................35
8.14 RF (remote control) receiver and transmitter (Xcell 400 QVI model only) ..............................................35
8.15 Summer bypass (Xcell 400 QVI model only).............................................................................................36
8.16 Defrost heater unit ...................................................................................................................................36
8.17 Fan fault monitoring (Xcell 400 QVW model only)...................................................................................36
8.18 Fan fault monitoring (Xcell 400 QVI model only) .....................................................................................36
9Maintenance .............................................................................................................................. 37
9.1 Filters ........................................................................................................................................................37
9.1.1 Removing and re-fitting the heat exchanger filters .................................................................................37
9.1.2 Removing and re-fitting the summer bypass filter...................................................................................37
9.2 Air filter box (optional accessory).............................................................................................................38
9.3 Cleaning the heat exchanger....................................................................................................................38
10 Malfunctions .............................................................................................................................. 39
10.1 Fault locating table ...................................................................................................................................39
10.2 Installation of replacement fans...............................................................................................................40
10.3 Installation of a replacement control PCB................................................................................................42
10.4 Installation of a replacement display PCB ................................................................................................42
11 Customer Notes (to record details of filter / recuperator cleaning etc.) ................................ 43
Maintenance Log ............................................................................................................................. 46
GUARANTEE.................................................................................................................................... 48

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1 General Information
Read all these instructions & warnings fully before commencing installation.
These installation and operating instructions must be observed during installation, operation, service and
maintenance. This MVHR should only be installed and repaired by a qualified service technician. Improper repairs
may expose the user to considerable danger. Under current regulations, the installation and operating instructions
must be accessible at all times and must be handed to the technician for reference whenever work is being done on
the MVHR. When moving out of the premises this MVHR has been installed in, please pass the instructions on to the
next tenant / owner. Unpack the MVHR carefully and check for any visible signs of damage. If any damage is found
contact the supplier. Only use original spares in order to avoid secondary damage. Please ensure that all packaging
materials are disposed of properly in accordance with current environmental requirements.
2 Components and Materials of Construction
The MVHR comprises of the following main components:
Item
Description
Outer casing:
Powder-coated stainless steel, colour white to RAL 9010.
Access hatch:
PS plastic.
Ducting spigots, Ø 150mm:
EPP, black.
Internal air paths and
internal casing:
EPP, black.
Filters:
G4 Filters fitted as standard. An external Air Filter Box with F5 or F7 Filters is also
available as a separate accessory.
Heat Exchanger:
The Heat Exchanger is made from fully recyclable PS plastic. The Heat Exchanger
integrated into the MVHR is based on the counter flow principle with triangular air
ducts for supply and exhaust air.
Fans:
Energy-saving EC DC Fans with optimal efficiency.

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3 Regulations and Safety Instructions
The Xcell 400 MVHRs are tested in accordance with the low-voltage directive 2006/95/EC and EMC directive
2004/108/EC.
This appliance is not intended for use by persons (including children and the infirm) with reduced physical, sensory or
mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction
concerning use of the appliance by a person responsible for their safety.
Ensure that all relevant safety precautions (correct eye protection and protective clothing etc) are taken when
installing, operating and maintaining this MVHR. Observe the safety regulations and warnings contained in this
manual at all times. Failure to do so may result in damage to the unit or personal injury.
This MVHR is intended for connection to fixed wiring. A means for disconnection must be incorporated in the fixed
wiring. Installations and wiring must conform to current IEE Regulations (UK), local or appropriate regulations (other
countries). All installations must be supervised by a qualified electrician. It is the installer‟s responsibility to ensure
that the appropriate building codes of practice are adhered to.
This MVHR must not be installed near to sources of direct heat such as cookers/grills or where ambient temperatures
may exceed 50ºC.
When the MVHR is installed in a room containing a fuel burning appliance, precautions must be taken to avoid the
backflow of gases into the room from the open flue of the fuel burning appliance.
The instructions on periodic cleaning and/or changing of the Filters, the air inlet/outlet valves and the air inlet/outlet
grilles must be strictly observed.
The unit may only be connected to a 220-240V AC power supply.
The following applications / installations are prohibited:
The use of excessive fat-contaminated exhaust air, extracting explosive gases, extracting particle-
contaminated air, extracting adhesive particulate matter.
Installing the MVHR outdoors
Connecting extractor hoods in the ventilation system
Servicing of the MVHR may only be carried out by a qualified service technician. Contact details for authorised
servicing by Xpelair approved technicians can be found on the back of this booklet.
4 Application and Planning
4.1 Application
This MVHR is intended for installation in ventilation systems in houses, residential buildings and light commercial
applications e.g. offices and meeting rooms etc. Upon completion of the system, there should be no safety, health or
environmental risks present. The manufacturer of the MVHR assumes no liability for this.
4.2 MVHR operation overview
Using two Fans, each with a filter in separate air paths, the MVHR draws in external air from the outside and exhaust
air from odour-contaminated and moisture-laden rooms (i.e. kitchen, bathroom, WC) in the house. Both of these air
flows are passed through a cross counter flow Heat Exchanger whereby the exhaust air releases heat and the
external air absorbs heat. The air ducts are separated from one another to prevent odour pollution between external
and exhaust air.
Using suitable air ducts and adjustable air inlet valves (separately purchased accessories), the heated external air is
blown into the house and the cooled exhaust air is ducted out of the building.
There are numerous accessories available for manually or automatically controlling the MVHR, see section 6.6.

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4.3 MVHR installation planning
MVHR system designs must comply with the current standards or the approved edition on the original planning
consent. Approved documents for Building Regulation in England and Wales are as follows:
Part B:
Approved Document B (Fire Safety) - Volume 1: Dwelling houses.
Approved Document B (Fire Safety) - Volume 2: Buildings other than dwelling houses.
Part F:
Approved Document F - Ventilation.
Part L – Dwellings:
Approved Document L1A: Conservation of fuel and power (New dwellings)
Approved Document L1B: Conservation of fuel and power (Existing dwellings)
Part L – Buildings other than dwellings:
Approved Document L2A: Conservation of fuel and power (New buildings other than dwellings)
Approved Document L2B: Conservation of fuel and power (Existing buildings other than dwellings)
Scottish Building Standards approved technical handbooks are as follows:
Domestic Handbook:
Section 2 – Fire
Section 3 – Environment
Section 6 – Energy
Non-domestic Handbook:
Section 2 – Fire
Section 3 – Environment
Section 6 – Energy
5 Installation
5.1 General information
The MVHR should be aligned horizontally using a spirit level (for effective condensate drainage).
The mains voltage must be 220-240V / 50-60 Hz.
If mounting on low density walls i.e. plaster boarded stud walls use the following fixing method:
Use 15mm nominal plywood backing board to connect directly to the wall internal frame stud and then mount
the MVHR unit on the plywood.
Ensure internal thermal or sound insulation is installed inside the stud wall to prevent reverberation.
The MVHR must be installed in a frost-free room preferably within the thermal envelope in order to keep heat losses
via the MVHR surfaces and ventilation ducting to a minimum. Cellars, store rooms and insulated attics are suitable
for this purpose.
The MVHR may only be installed in dry, non-explosion proof rooms (protection category IP20). The ambient
temperature must not exceed 50°C.
This MVHR must not be fitted in rooms or areas of the house with strong odours, which could then permeate into the
MVHR and contaminate the fresh air supplied from the MVHR.
The following criteria must also be met:
Access is required for maintenance work (e.g. changing the filter)
The condensate drain must be connected to a closed water trap and must have a sufficient gap, approx.
50cm is ideal.
If the condensate drain is located in a frost-prone area, then heat tracing must be provided.

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5.2 Impact noise reduction
With installation on wooden floors or other vibration-prone components, there may be a combined impact noise (use
rubber mounting feet).
5.3 Wall mounting the MVHR
There is a metal bracket fixed to the rear of the metal casing for mounting the MVHR on the wall. The corresponding
metal wall bracket, which is to be fixed to the wall, is supplied (without fixing screws) in the product packaging.
Mark out the fixing holes for the wall bracket and drill the holes to suit the fixing screws to be used.
Precisely align the bracket on the wall using a spirit level and fix the bracket to the wall with suitable fixing
screws.
Fix the two self-adhesive rubber feet supplied to the rear bottom corners of the MVHR.
Lift the MVHR up to the wall and hang onto the bracket on the wall. Ensure the MVHR is positioned centrally
to the bracket fixed to the wall.
5.4 Heat exchanger retaining bracket
Once the MVHR has been mounted in the right or left-handed orientation, the Heat Exchanger Retaining Bracket
supplied (see picture below) must be fitted to the front of the MVHR as follows:
Remove the Access Hatch on the front of the MVHR by turning it to the left.
Fit the Retaining Bracket and retaining screw supplied with the MVHR.
Replace the Access Hatch by turning it to the right.
Important: The Heat Exchanger must only be removed for cleaning.
Before removing the Heat Exchanger disconnect the MVHR from
the mains supply.
5.5 Ducting
Flexible ducting should only be used for final connections with special care taken to avoid restrictions and other
conditions which will restrict air flow.
When installing ducting, care should be taken to ensure it is properly supported and secure with joints properly
sealed. All ducting located in loft spaces and roof voids etc., which are unheated, must be insulated, together with the
duct runs from the unit to atmosphere.
All ducting fitted to the spigots on the MVHR should be secured in place with jubilee clips or a suitably sized plastic
cable tie.
Dia. 150mm spigots

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5.5.1 Duct connections
For ease of installation the duct connections are located on top of the MVHR.
When viewed from the front of the MVHR in a right handed installation, the two duct connections on the left
hand side are for:
oDrawing in fresh air from the outside (Atmosphere Intake)
oExtracting used air from the building (Dwelling Extract)
When viewed from the front of the MVHR in a right handed installation, the two duct connections on the right
hand side are for:
oExtracting the used air out to atmosphere (Atmosphere Discharge)
oSupplying the heated fresh air into the building (Dwelling Supply)
The Xcell 400 MVHRs are manufactured for either a right or left-handed installation and therefore cannot be
changed on-site.
Right-handed MVHRs are available as follows:
oXcell 400 QV
oXcell 400 QVW
oXcell 400 QVI
Left-handed MVHRs are available as follows:
oXcell 400 QV-L
oXcell 400 QVW-L
oXcell 400 QVI-L
See section 5.8.2 below for the correct duct connections for a left-handed installation.

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5.6 Condensate drain
A condensate drain must be fitted to run to the building waste water system in accordance with the Building
Regulation H1.
The Condensate Drain Tube is connected to the MVHR through the hole on the underside of the plastic base (fit the
end of Drain Tube with the non-slip tape around it onto the MVHR). The Condensate Drain Tube can be adapted to
the installation requirements. It is important that the Condensate Drain Tube is positioned higher than the water
surface of the water trap and that the Condensate Drain Tube ends within the water head of the water trap.
The Condensate Drain Tube should be checked annually and cleaned if necessary.
A Condensate Drain Tube (Ø 20mm and 1.0m long) is supplied with each MVHR.
The water trap must be purchased separately from a local plumbing stockist.
5.7 Installation example
Exhaust air from the rooms
(kitchen/bathroom/toilet)
Supply air into the building
(living rooms/bedrooms/children‟s rooms)
External air (fresh air) with vapour diffusion-resistant insulation
Outgoing air from inside to outside with vapour diffusion-resistant insulation

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5.8 Installation dimensions
5.8.1 Right hand installation

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5.8.2 Left hand installation

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6 Technical Data
6.1 Air flow settings (Xcell 400 QV model only)
Air flow rates can be changed by a qualified service technician using the adjustment potentiometers inside the
Manual 2-Speed Switch purchased for this MVHR, as shown in the picture below.
The potentiometers adjust both Fan speeds simultaneously i.e. independent Fan speed control is not
available.
Turning the potentiometer to the right increases the control voltage / speed of both Fans and turning it to the
left reduces the control voltage / speed of both Fans. There are two potentiometers, see section 6.4 below for
the factory default speed settings.
6.2 Air flow settings (Xcell 400 QVW model only)
Air flow rates can be changed by a qualified service technician using the adjustment potentiometers (3x blue)
for the supply air Fan and (3x red) for the exhaust air Fan, as shown in the picture below.
The potentiometers adjust the Fan speeds independently i.e. common Fan speed control is not available.
Depending on the Fan speed selected (1, 2 or 3) the Fans have a specific control voltage of between 1.7 V
minimum up to a maximum of 10.0 V. The control voltage for the supply air and exhaust air Fans is also
adjusted via each set of three potentiometers on the PCB.
S1 – Supply air speed 1 - blue potentiometer and S1 – Exhaust air speed 1 - red potentiometer
S2 – Supply air speed 2 - blue potentiometer and S2 – Exhaust air speed 2 - red potentiometer
S3 – Supply air speed 3 - blue potentiometer and S3 – Exhaust air speed 3 - red potentiometer
Turning the potentiometer to the right increases the control voltage / speed of each Fan and turning it to the
left reduces the control voltage / speed of each Fan.
6.2.1 PCB port pins (Xcell 400 QVW model only)
Via port pins on the PCB, the control voltage for each speed setting can be measured with a voltmeter.
The control voltage for the exhaust air and supply air Fans can be set separately at between 1.7 V and 10.0
V by adjusting the potentiometers as described above.
See also the wiring diagrams in section 7.
Two supply / exhaust air speed
adjustment potentiometers
PCB port pins
3 pot’s for
supply air speed
adjustment
3 pot’s for exhaust
air speed
adjustment

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6.3 Air flow settings (Xcell 400 QVI model only)
Air flow rates can be changed by a qualified service technician using the control panel shown below. The supply air
Fan speed can be modified independently from the exhaust air Fan speed, between 150-400 m³/h in the „Customer
Settings‟ menu. See the Service Manual for further details.
6.4 Factory speed settings (All Xcell 400 models)
Speed 1: 150 m³/h - Low speed - preferably at night or during periods of absence
Speed 2: 240 m³/h - Normal daytime operation
Speed 3: 400 m³/h - Boost setting for increased air exchange
Note:
When the MVHR is being used with a Manual 2-Speed Switch (Xcell 400 QV model only); only speeds 2 and 3 will
apply.
6.5 Technical data
Technical data
Units
Specification
Voltage / Frequency
V / Hz
~ 220-240V / 50-60 Hz
Max. current consumption
A
2.0
Power consumption - Speeds 1, 2, 3
W
35/85/190
Air flow rate - Speeds 1, 2, 3
m³/h
150/250/350
Air flow rate at 100 Pa Static Pressure
m³/h
410
Protection category
IP
20
Max. ambient temperature
°C
50
Dimensions (without ducting) - W x H x D
mm
750 x 725 x 469
Weight of MVHR
Kg
34
Duct connections
mm
150
Condensate drain tube connections
mm
20
Filter class
-
G4
Efficiency of Heat Exchanger
%
Up to 91%
Sound pressure level (measured at a distance of 3m) - Speeds 1, 2, 3
dB (A)
29/34/44

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6.6 Applied Energy accessories for manual or automatic MVHR operation
Description
Part
Number
Notes
Manual
2-Speed Switch
23513AW
Suitable for the Xcell 400 QV model only.
Only one Manual 2-Speed Switch can be used per MVHR.
Can be flush or surface mounted.
Automatic
3-Speed Switch
96005AA
Suitable for the Xcell 400 QVW model only.
Up to ten Automatic 3-Speed Switches can be used per MVHR.
Can be flush or surface mounted.
CO2 Sensor
96003AA
Suitable for the Xcell 400 QVW & Xcell 400 QVI models only.
Only one CO2 Sensor can be used per MVHR unit.
Can be surface mounted only.
Humidity Sensor
96009AA
Suitable for the Xcell 400 QVW & Xcell 400 QVI models only.
Can be surface mounted only.
When used with the Xcell 400 QVW model:
When used in conjunction with an Automatic 3-Speed Switch a
maximum of four Humidity Sensors can be connected.
When used in conjunction with an Automatic 3-Speed Switch and a
CO2 Sensor a maximum of three Humidity Sensors can be connected.
Humidity Sensors cannot be used in conjunction with the 7-Day Timer
Switch or the RF Receiver and RF Transmitter products.
When used with the Xcell 400 QVI model:
When used in conjunction with a 7-Day Timer Switch a maximum of
eight Humidity Sensors can be connected.
When used in conjunction with a 7-Day Timer Switch and a CO2
Sensor a maximum of four Humidity Sensors can be connected.
7-Day Timer Switch
96004AA
Suitable for the Xcell 400 QVI models only.
Only one 7-Day Timer Switch can be used per MVHR.
Can be surface mounted only.
RF Remote
Control Receiver
96006AA
Suitable for the Xcell 400 QVI model only.
Only one RF Receiver can be used per MVHR.
RF Remote
Control Transmitter
96007AA
Suitable for the Xcell 400 QVI model only.
Up to six RF Transmitters can be used per MVHR.
Can be flush mounted only.
Smoke Alarm
96021AA
Suitable for the Xcell 400 QVI model only.
Up to four Smoke Alarms can be used per MVHR.
Can be flush mounted only.
Air Filter Box
45014AA
Suitable for all Xcell 400 models.
Only one Air Filter Box is required per MVHR.
Not supplied with Filters fitted, see below.
Class F5 Filter
95045AA
Suitable for all Xcell 400 models.
F5 filter used in the Air Filter Box only.
Class F7 Filter
95047AA
Suitable for all Xcell 400 models.
F7 filter used in the Air Filter Box only.
Defrost Heater Unit
44001AA
Suitable for the Xcell 400 QVW & Xcell 400 QVI models only.
Only one Defrost Heater Unit is required per MVHR.
6.7 Applied Energy MVHR spares
Description
Part Number
Control PCB (Xcell 400 QVW only)
44306SK
Control PCB (Xcell 400 QVI only)
44309SK
Controller PCB (Xcell 400 QVI only)
44310SK
Display Panel PCB (Xcell 400 QVI only)
44311SK
Motor (All Xcell 400 models)
44345SK
G4 Filters - 2 Pack (All Xcell 400 models)
44313SK
Summer Bypass Filter (Xcell 400 QVI only)
44314SK
Heat Exchanger (All Xcell 400 models)
44315SK
Note: Contact details for the Xpelair Sales Department can be found on the back of this booklet.

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Unit Connection
Terminals
Xcell 150 QV controlled by a 2-Speed (MS2) Controller.
Xcell 150 QV
Internal Terminals
Green /
Yellow
Brown
Blue (Bl)
(Bn)
(G/Y)
1 Phase
(220-240Vac)
(50/60Hz)
N
Fuse
L
N
E
~N
L
L
(Bn) (Bl)
(G/Y)
10V
O/P
0V
Fused Switch Spur
(By Others).
MS2 Controller
(23513AW).
10V
O/P
0V
7 Electrical Wiring Diagrams
7.1 Manual 2-speed switch (Xcell 400 QV model only)

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TT
T
T T
T
Transformer
Jumper position: Jp1 = open Jp2 = closed Jp3 = open Jp4 = closed Jp5 = open Jp6 = closed Jp7 = open Jp8 = closed Jp9 = open Jp10 = open
Fused Switch Spur
(By Others).
AEP Ref: Xcell 150-04e-a
Q3SP Controller
(96005AA).
Green /
Yellow
Brown
Blue 1 Phase
(220-240 Vac)
(50/60Hz)
Fuse
L
N
E
~
(Bn) (Bl)
(G/Y)
Fused Switch Spur
(By Others).
N
L
7.2 Automatic 3-speed switch (Xcell 400 QVW model only)

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TT
T
T T
T
Jumper position: Jp1 = open Jp2 = closed Jp3 = open Jp4 = closed Jp5 = open Jp6 = closed Jp7 = open Jp8 = closed Jp9 = open Jp10 = closed
Transformer
Green /
Yellow
Brown
Blue 1 Phase
(220-240 Vac)
(50/60Hz)
Fuse
L
N
E
~
(Bn)
(Bl)
(G/Y)
Fused Switch Spur
(By Others).
N
L
AEP Ref: Xcell 150-03e/a
QCO Controller
(96003AA)
Q3SP Controller
(96005AA)
7.3 Automatic 3-speed switch & CO2 sensor (Xcell 400 QVW model only)

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TT
T
T T
T
Jumper position: Jp1 = open Jp2 = closed Jp3 = open Jp4 = closed Jp5 = open Jp6 = closed Jp7 = open Jp8 = closed Jp9 = open Jp10 = closed
Transformer
Q3SP Controller
(96005AA).
QHS Controller
(96009AA).
QCO Controller
(96003AA).
QHS Controller
(96009AA).
QHS Controller
(96009AA).
Fused Switch Spur
(By Others).
Green /
Yellow
Brown
Blue 1 Phase
(220-240 Vac)
(50/60Hz)
Fuse
L
N
E
~
(Bn) (Bl)
(G/Y)
Fused Switch Spur
(By Others).
N
L
AEP Ref: Xcell 150-05e-a
7.4 Automatic 3-speed switch, CO2 sensor & up to three humidity sensors (Xcell 400
QVW model only)

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TT
T
T T
T
Transformer
Jumper position: Jp1 = open Jp2 = closed Jp3 = open Jp4 = closed Jp5 = open Jp6 = closed Jp7 = open Jp8 = closed Jp9 = open Jp10 = closed
Q3SP Controller
(96005AA).
QHS Controller
(96009AA).
QHS Controller
(96009AA).
QHS Controller
(96009AA).
QHS Controller
(96009AA).
Fused Switch Spur
(By Others).
Green /
Yellow
Brown
Blue 1 Phase
(220-240 Vac)
(50/60Hz)
Fuse
L
N
E
~
(Bn) (Bl)
(G/Y)
Fused Switch Spur
(By Others).
N
L
AEP Ref: Xcell 150-06e-a
7.5 Automatic 3-speed switch & up to four humidity sensors (Xcell 400 QVW model only)

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7.6 MVHR automatic control – connection PCB (Xcell 400 QVI model only)
German translations from the PCB:
- Rauchmelder – Smoke Detector
- Feuchtesensor – Humidity Sensor
- CO2 Sensor – CO2 Sensor
- Eingänge 24V – 24V DC Inputs
- EIN – Input
- Ausgänge 24V – 24V DC Outputs
- AUS – Output
The Connection PCB is situated under a metal Cover Plate on top of the MVHR.
Remove the four fixing screws to remove the Cover Plate.
Ensure all cables are fitted to the PCB via the rubber grommets also located on top of the MVHR.
When all connections have been made, replace the Cover Plate and secure with the four fixing screws provided.
Automatic controllers and sensors are powered with an input voltage of 24V DC, see the relevant wiring diagrams
below for the automatic controller(s) to be connected to the MVHR.
24V DC outputs are available for bussed control (e.g. BMS systems):
Output 0 (AUS_0) - Operating display
Output 1 (AUS_1) - Filter display
Output 2 (AUS_2) - Fan fault message
Output 3 (AUS_3) - Automatic defrost protection for living areas
Output 4 (AUS_4) - Smoke detector monitoring
Note:
1. The link wire between RM and RM must only be removed if required. Refer to the relevant section for the any
other controllers connected to the PCB for more details.
2. The link wire between EIN_0 and EIN_1 must only be removed if required. Refer to the relevant section for the
any other controllers connected to the PCB for more details.