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• D o not obstruct the fan or exhaust grille to ensure optimum air passage.

• E nsure adequate air return into the room in compliance with existing regulations in

order to ensure proper device operation.

• I f the environment in which the product is installed also houses a fuel-operating device

(water heater, methane stove etc., that is not a "sealed chamber" type), it is essential

to ensure adequate air intake, to ensure good combustion and proper equipment

operation.

• I nstall the product so that the impeller is not accessible from the air outlet side as

veriﬁed by contact with the Test Finger (test probe "B" of the norm EN61032) in

compliance with the current safety regulations.

• Make sure there is enough space around the unit for maintenance.

INTROdUCTION

QCmev (Fig. 1) is a whole house mechanical extract fan designed to be connected to

self-adjusting valves.

Suitable for ceiling, false-ceiling or floor installation, horizontally or vertically (Fig. 2).

Version with integral humidistat available (QCmev 80 HY - QCmev 125 HY).

TECHNICAL SPECIFICATIONS

• O uter fan casing manufactured from powder coated galvanised sheet steel.

• T op cover made from strong ABS plastic.

• I nternal self-extinguishing acoustic foam lining.

• E C external rotor motor for energy saving, mounted on ball bearings that guarantee a

longer product life cycle and suitable for cold climates.

• F orward curved centrifugal impeller to provide a smooth and silent airflow through the

unit.

• P rovided with multiple extract points:

QCmev80: air exhaust to outside through 1xØ125mm circular spigot + air extract from

inside through 1xØ125mm + 4xØ80mm circular spigots.

QCmev125: air exhaust to outside through 1xØ125mm circular spigot + air extract from

inside through 4xØ125mm circular spigots.

• I PX2 protection.

• P ower supply 230V~ 50/60Hz.

QCmev 80/125

OPERATION

Single speed operation

The unit runs at the speed set by turning the integral trimmer "V1" in the terminal box.

This is the default factory setting.

Wiring diagram: Fig. 5A - Dip switch conﬁguration: 0000 for QCMEV 80/125 HY (Fig. 5F).

Wiring diagram: Fig. 5A - Dip switch conﬁguration: 0001 for QCMEV 80/125 (Fig. 5F).

Two speed operation

The unit runs continuously at the speed set by turning the integral trimmer "V1" in the

terminal box and can be boosted at high speed, which is set by turning the integral

trimmer "V2" in the terminal box. Boost is activated, when needed, by means of a remote

two-position switch (not supplied) or by means of remote sensors (SEN-HY, SEN-CO2 or

Airflow

Model

/h max

380

Static pressure

Power

Pa max

W max

219

Sound pressure

dB(A) @3m