Envirovent MEV 160 Manuale utente
MEV 160 & MEV 300
INSTALLATION GUIDE
AFTER INSTALLATION THE END USER SHOULD
KEEP THIS GUIDE FOR FUTURE REFERENCE
DO NOT THROW AWAY
1 MEV 160 & MEV 300
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SHOULD YOU ENCOUNTER ANY PROBLEMS
WITH YOUR UNIT, CALL US ON:
SAFETY
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. Consider
the external vent locations in relation to open-flues from appliances e.g. boilers. The unit should
not be installed in wet rooms.
USERS
This unit is not intended for use by persons (including children) with reduced physical, sensory
or mental capabilities or lack of experience and knowledge, unless they have been given
supervision and usage instruction by a person responsible for their safety. Children should be
supervised to ensure they do not play with the unit. Cleaning and user maintenance must not
be performed by children.
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. 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). The power supply
cable running into the unit must remain the supplied flexible cable (not a solid core twin and
earth 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.
2
AFTER INSTALLING THIS UNIT,
PLEASE PASS ONTO END USER DO NOT THROW AWAY
WIRING DIAGRAM
The local isolator must be connected to the mains as part of the fixed wiring. Connect the
cores of the power cable to the matching terminals on the local isolator (3A fuse spur or
similar).
The black switch live core of the mains cable can be wired to a switch input such as a room
light switch, when the switch is turned on, the boost function is engaged. When the switch
is turned off, the unit will turn to normal running mode. In this configuration a suitable triple
pole isolator must be used in line with the local wiring.
Standard units can be connected to the supplied hard wired boost switch via the black two
core cable labelled “volt free input”. See installation step 12.
Wireless units can be connected to a 0-10V input device via the terminal block at the end
of the black cable inside the unit. See installation step 11.
Do not connect the black boost switch cable or the black 0-10V input cables to the
mains power supply.
DIAGRAMS
VOLT FREE INPUT
(STANDARD UNITS ONLY)
HARDWIRED
BOOST SWITCH
(STANDARD UNITS ONLY)
0-10V CONTROL
INPUT DEVICE
(OPTIONAL)
BOOST
(RED) (BLACK)
(RED) (BLACK)
Cable block location
for 0-10V input.
3 MEV 160 & MEV 300
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SHOULD YOU ENCOUNTER ANY PROBLEMS
WITH YOUR UNIT, CALL US ON:
ø125
Spigot packs for
ø125mm rigid duct
or ø90/75mm Fast Track
FRONT COVER
ACCESS AREA
CONTROLS
ACCESS AREA
COVER SCREWS
ACCESS AREA
150
COVER SCREWS
ACCESS AREA
150
150
INTERNAL ACCESS (for cleaning or maintenance)
DIMENSIONS
1. Isolate the unit from the mains power supply.
2. Undo all four screws around the front cover and then use a flat head screwdriver to lift the three
clips along the edge of the unit.
3. Now gently pull the cover away from the unit.
DIAGRAMS
4
AFTER INSTALLING THIS UNIT,
PLEASE PASS ONTO END USER DO NOT THROW AWAY
CONTROL PANEL
To access the control panel,
unclip the cap using a small
flat head screwdriver.
DIAGRAMS
5 MEV 160 & MEV 300
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SHOULD YOU ENCOUNTER ANY PROBLEMS
WITH YOUR UNIT, CALL US ON:
ABOUT THE MEV 160 AND MEV 300
The EnviroVent MEV 160 and MEV 300 are continuous mechanical extract ventilation systems
designed to help create a fresh and healthy living environment by drawing humid, stale air out of
wet rooms, while minimising the movement of humidity to other rooms.
The units are normally fitted in a central location, with ductwork running from the unit to the kitchen,
bathroom, en-suite, utility and other wet zones. The unit provides six possible spigot positions in
order to extract air from multiple locations.
The MEV 160 unit is capable of delivering a maximum airflow of 75 l/s (270 m3/hr) and a maximum
system pressure of 573Pa.
The MEV 300 unit is capable of delivering a maximum airflow of 103 l/s (370 m3/hr) and a maximum
system pressure of 650Pa.
The Intellitrac®humidity tracking function monitors the humidity levels in the extracted air and will
automatically increase the air flow rate when humidity levels rise. Once the humidity levels are
lower, the air flow rate will return to the programmed trickle setting.
The MEV 160 and MEV 300 include a switch live function and if used, will enter boost mode whenever
a switch live input is engaged.
The MEV 160 and MEV 300 come with either a wired boost switch or wireless remote control.
All MEV 160 and MEV 300 units are covered by a two year warranty.
6
AFTER INSTALLING THIS UNIT,
PLEASE PASS ONTO END USER DO NOT THROW AWAY
BOX CONTENTS
Item Description Quantity
MEV 160 or 300 unit 1
Instruction Guide 1
Wireless Remote Control
(Remote Control units only) 1
Wired Boost Switch
(standard units only)1
Spigot packs
(125mm duct or 75/90mm fast track) 3
Screws
(8g x 2.0”) 4
Wall plugs 4
Foam pads 4
Rubber bushings 4
M5 Washers 4
PRE-INSTALLATION CHECKLIST
• Does the unit and ductwork fit in the space where it will be installed?
• Is there room to connect ducts to the spigots without tight duct bends?
• Are all obstructions cleared in the locations where the extract valves will be fitted?
• Is the mounting surface strong enough to support the unit?
• Is the mounting surface level?
7 MEV 160 & MEV 300
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SHOULD YOU ENCOUNTER ANY PROBLEMS
WITH YOUR UNIT, CALL US ON:
1. Hold the unit up to the chosen location (wall, floor or ceiling) and ensure there is space for
ducts and maintenance access.
2. Undo all four screws around the front cover and then use a flat head screwdriver to lift the
three clips along the edge of the unit. Now gently pull the cover away from the unit.
3. Select up to 3 of the extract spigot locations to be used. If more than three are required (6 max)
you will need to order extra spigot packs (see spares on page 15).
4. Remove the blanking caps from the chosen positions by twisting them anticlockwise from
inside the unit.
INSTALLATION
1.
3. 4.
2.
8
AFTER INSTALLING THIS UNIT,
PLEASE PASS ONTO END USER DO NOT THROW AWAY
Screw
Washer
Rubber bush
Rear cover
Foam pad
Wall plug
5. Insert spigots into each of the required holes and twist them clockwise until they snap into
position. Then attach the appropriate connector using the centre screw provided. There are two
types of spigot pack available for either 125mm duct or the 90mm Fast Track duct system.
6. Use the unit as a guide to mark the four main corner fixing holes. Four alternative fixing
points are shown in the diagram. These can be used if any of the main corner fixing points are
inaccessible.
At each fixing points - assemble an 8g x 2.0” screw, washer, grommet and foam pad as shown
in the image below. Then tighten the screw.
After all the screws are tightened check the unit is securely fastened to the mounting surface.
Connector pack - Standard (125mm duct)
Connector pack - Fast track (75/90mm)
5.
6.
9 MEV 160 & MEV 300
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SHOULD YOU ENCOUNTER ANY PROBLEMS
WITH YOUR UNIT, CALL US ON:
7. Fit a suitable low resistance external extract termination e.g. a roof vent or fixed louvre grille.
8. Fit adjustable extract valves in the chosen room locations.
9. Fit duct between the external termination and the MEV unit. Fit your chosen size of duct
between the extract valves and the MEV unit. Ductwork should be fitted in accordance with
the Domestic Ventilation Compliance Guide and follow any system designs that have been
produced for the property. Ductwork through unheated spaces needs to be insulated. For
efficiency, all ductwork should be as large a diameter as possible. Envirovent also recommend
fitting cone filters to the extract valves.
INSTALLATION
Extract
termination
Extract 1
Extract 2 Extract 3
Ducts must be attached
securely to the unit. For
maximum performance
use rigid duct and a
short length of flexible
duct (300mm) for final
connections to the unit
and to the extract valves.
7.
8.
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