Envirovent MEV 160 Bedienungsanleitung

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.

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)

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

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

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.

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

3. 4.

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)

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.

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