Envirovent ATMOS WALL User manual
AFTER INSTALLATION THE END USER SHOULD
KEEP THIS GUIDE FOR FUTURE REFERENCE
DO NOT THROW AWAY
ATMOS® WALL
INSTALLATION GUIDE
1 ATMOS®WALL
01423 810 810
SHOULD YOU ENCOUNTER ANY PROBLEMS
WITH YOUR UNIT, CALL US ON:
SAFETY
Ensure that you read and understand these instructions before beginning installation. The unit
should be installed by a competent person.
LOCATION
Check there is space for the unit in your chosen location including room for access and future
servicing of the unit. The unit must not affect the operation of open-flue appliances. Consult local
regulations or a qualified gas engineer. The unit should not be installed in wet rooms.
After installation, the air outlet must face a minimum 1m unobstructed path away from any smoke
detectors, walls or other obstructions. For installations where the unit is required to connect to a
smoke alarm see page 10 for wiring instructions.
USERS
This unit can be used by children above 8 years and by people with reduced physical sensory or
mental capabilities or lack of experience and knowledge if they have been instructed on the safe
use of the unit and they understand the hazards involved. Children must not play with the unit.
Cleaning and user maintenance must not be performed by children without supervision.
ELECTRICAL CONNECTION
All wiring must comply with Building Regulations and the current IET Wiring Regulations (BS7671 in
the UK) or equivalent standards for other countries. All wiring should be completed by a competent
person and the final installation should be examined and tested by a qualified electrician.
The unit requires a continuous electrical power supply. Connection to the fixed wiring must be
made outside the unit in a suitable location. The unit must be able to be disconnected from the
mains supply after installation. The unit must be earthed and a double pole switch with minimum
contact separation of 3.0mm must be used to provide isolation for the unit (see the wiring diagram
on page 2). When wiring the unit, the included unswitched fuse spur should be incorporated in the
fixed wiring.
The power supply cable running into the unit must remain the supplied flexible cable (not a solid
core lighting cable). If the power supply cable becomes damaged, it must be replaced by EnviroVent,
an authorised service agent for your region/country, or a similarly qualified person in order to avoid
a hazard. Do not remove or tamper with any electronic components inside the product.
This product is not suitable for use with a Type AC RCD
2
AFTER INSTALLATION THE END
USER SHOULD KEEP THIS GUIDE
FOR FUTURE REFERENCE DO NOT THROW AWAY
WIRING DIAGRAM
The local isolator must be connected to the mains as part of the fixed wiring. Connect
the neutral, live and earth cores of the power cable to the matching terminals on the
local isolator.
App / Wireless Remote Control units can be connected to a 0-10V input device if
required via the terminal block at the end of the two core cable inside the unit labelled
0-10V input (see installation steps for details). On the ATF model this can be used to
connect the optional heater enable/disable switch.
Do not connect the 0-10V or heater enable/disable input cable to the mains
power supply.
DIAGRAMS
VENTILATION UNIT
LOCAL ISOLATOR
E
L
N
E
L
N
MAINS SUPPLY
230V 50/60Hz
+
-
0-10V CONTROL INPUT
(OPTIONAL)
POWER CABLE
0-10V INPUT CABLE
(WiFi APP / WIRELESS REMOTE
CONTROL UNITS ONLY)
(RED)
(BLACK)
Cable block location for
0-10V or heater enable
input depending on
model variant.
0-10V INPUT CABLE
APP/Wireless Remote Control units only. On
the ATF model this can be used to connect
the optional heater enable/disable switch
3 ATMOS®WALL
01423 810 810
SHOULD YOU ENCOUNTER ANY PROBLEMS
WITH YOUR UNIT, CALL US ON:
INTERNAL ACCESS
DIMENSIONS (+ Minimum area required for access/maintenance)
1. Isolate the unit form the mains power supply.
2. Undo all four screws around the front cover. Then unclip the front cover from the
unit using a flat head screwdriver in the three slots along one of the cover edges.
3. Gently pull the cover away from the unit.
4
8
0
1
6
1
5
4
7
ø100
3
4
0
ø100
350
150
CONTROLS
ACCESS
AREA
FRONT COVER AND FILTER
ACCESS AREA
COVER SCREWS
ACCESS AREA
150
COVER SCREWS
ACCESS AREA
150
DIAGRAMS
(for installation, filter replacement and maintenance)
4
AFTER INSTALLATION THE END
USER SHOULD KEEP THIS GUIDE
FOR FUTURE REFERENCE DO NOT THROW AWAY
CONTROL ACCESS
CONTROL PANEL ACCESS
To access the control panel,
unclip the cap using a
small flat head screwdriver.
CONTROLS
1- Set airflow
2- Variable airflow
3- Hours run
4- Wi-Fi
5- Filter
CONTROL PANEL
6- Additional Modes (see settings page)
7- Comfort heater / Summer mode
8- Top button
9- Numeric display
10 - Bottom button
5 ATMOS®WALL
01423 810 810
SHOULD YOU ENCOUNTER ANY PROBLEMS
WITH YOUR UNIT, CALL US ON:
ABOUT THE ATMOS WALL
The ATMOS Wall is a Positive Input Ventilation (PIV) unit which helps to create a fresh and healthy
living environment by supplying filtered air into a property at a continuous rate. The air is normally
supplied via a vent in the central hallway area of the property.
The ATMOS Wall has been developed to improve indoor air quality and resolve condensation and
mould problems. It is designed to operate continuously with no requirement for maintenance other
than replacement of the filter, general cleaning and a 5 year service.
In conditions between 19°C to 25°C the ATMOS Wall will increase the airflow rate by 10%. In colder
conditions below 10°C (default), the automatic heater will temper the incoming air.
BOX CONTENTS
Item Description Quantity
ATMOS WALL UNIT 1
INSTRUCTION GUIDE 1
APP GUIDE (app enabled units only) 1
UNSWITCHED FUSE SPUR 1
REMOTE CONTROL (wireless remote control units only) 1
MOUNTING SCREWS (8g x 2.0”) 4
WALL PLUGS 4
PRE-INSTALLATION CHECKLIST
Hold the unit up to the chosen install location:
• Does the unit fit in the space where it will be installed?
• Is there enough space for duct access after installation?
• Is there enough space for control panel access during use?
• Is there room to access and replace the filter after installation?
• Is the mounting surface strong enough to support the unit?
• Is the mounting surface level?
6
AFTER INSTALLATION THE END
USER SHOULD KEEP THIS GUIDE
FOR FUTURE REFERENCE DO NOT THROW AWAY
1. Undo all screws around the edges of the front cover. Unclip the front cover from the unit using
a flat head screwdriver in the three slots along one of the cover edges. Now gently pull the
cover away from the unit.
2. Decide which one of the six available air entry points will be used.
3. To switch air entry points, remove the spigot by rotating it 45° anti-clockwise and pulling it in to
the unit. Use the same method to remove one air inlet blanking cap. Swap their positions then
reinsert them into the unit, rotate 45° clockwise (you will feel the spigot/cap click into place).
4. Air is supplied to the unit from outside via a 100mm rigid duct. Any exposed duct installed on
the air entry side of the unit should be insulated to avoid condensation forming on the duct
surface. The unit should be installed as close as possible to the air entry point to avoid very
long duct runs.
Optional step - To improve visual appearance, the ductwork can be concealed using box profile.
INSTALLATION
1.
3.
2.
4.
7 ATMOS®WALL
01423 810 810
SHOULD YOU ENCOUNTER ANY PROBLEMS
WITH YOUR UNIT, CALL US ON:
LEFT HAND AIR INLET
RIGHT HAND AIR INLET
INSTALLATION
5a.
6.
5b.
5. Decide how the air outlet will be configured:
a. Directly through the adjustable supply grille.
b.Via100mducttoagrilleorsimilaraccessory.Undothecentrescrewtoremovethegrille.Fittheduct
between the unit and the required air outlet location. The duct should be terminated with an
appropriate accessory.
For either option, it is recommended that air is directed upwards towards the ceiling. This
minimises noticeable draughts and circulates warm air from ceiling level around the dwelling.
6. The unit is built in a left hand air inlet configuration as standard. If required, the front and
rear covers can be unscrewed and swapped around in order to create a right hand air inlet
configuration. This reverses the air inlet and air outlet positions.
8
AFTER INSTALLATION THE END
USER SHOULD KEEP THIS GUIDE
FOR FUTURE REFERENCE DO NOT THROW AWAY
7. When you are satisfied with the position, mark the 4x main corner fixing holes onto the mounting surface.
Four alternative fixing points are shown in the diagram. These must be used if any of the main corner fixing
points are inaccessible.
8. The power cable is configured to exit the unit at the top left corner (1) as standard. There are three other
optional exit points that can be used as required.
9. OPTIONAL: To reconfigure the cable exit point separate the rear cover from the unit by removing the 4
screws that secure it. Unscrew the cable clamp and reroute the cable to the required location. Secure the
cable with the clamp in the new position.
10. OPTIONAL: If required, swap the cable plugs so that all empty holes are filled.
INSTALLATION
7.
9.
8.
10.
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