16
6 COMMISSIONING AND OPERATION
6.2 Single speed operation
The unit runs at the speed set by turning the integral trimmer “V1” on the internal electronic circuit.
Wiring diagram: Fig. 5.k - Dip switch configuration: 0000 for QCMEV 125 HY
Wiring diagram: Fig. 5.k - Dip switch configuration: 0001 for QCMEV 125
6.3 Two-speed operation with remote two-position switch/sensor (not supplied)
The unit runs continuously at the speed set by turning the integral trimmer “V1” on the internal electronic circuit and can be
boosted at a second speed, which is set by turning the integral trimmer “V2” .
Second speed is activated, when needed, by means of a remote two-position switch (not supplied) or by means of remote sensors
(SEN-HY or SEN-PIR, accessories on request).
Wiring diagram: Fig. 5.l - Dip switch configuration: 1000 for QCMEV 125 HY
Wiring diagram: Fig. 5.l - Dip switch configuration: 1001 for QCMEV 125
6.4 Variable speed operation with CTRL-M remote manual controller (accessory on request)
The unit runs at the speed set by turning the knob of the CTRL-M remote manual control panel.
Wiring diagram: Fig. 5.m - Dip switch configuration: 0100 for QCMEV 125 HY
Wiring diagram: Fig. 5.m - Dip switch configuration: 0101 for QCMEV 125
6.5 Variable speed operation through external domotic (BMS) system or ballast potentiometer (not supplied)
The unit runs at the speed set by turning the knob of an external 1-10V ballast potentiometer or set by an external 1-10V signal
from a domotic (BMS) system.
Wiring diagram: Fig. 5.n - Dip switch configuration: 0110 for QCMEV 125 HY
Wiring diagram: Fig. 5.n - Dip switch configuration: 0111 for QCMEV 125
6.6 Three-speed operation with SEL-3V speed selector (accessory on request)
The unit runs at the speed selected by turning the knob of the SEL-3V speed selector.
Speed 1 is set by turning the integral trimmer “V1”.
Speed 2 is set by turning the integral trimmer “V2”.
Speed 3 is the maximum speed achievable by the unit.
Wiring diagram: Fig. 5.o - Dip switch configuration: 1000 for QCMEV 125 HY
Wiring diagram: Fig. 5.o - Dip switch configuration: 1001 for QCMEV 125
1
2
3
4
Operation selection via dip switch
0
0
0
Single speed
1
0
0
Two-speed operation with external two-position switch/sensor
0
1
0
Variable speed operation with CTRL-M remote manual controller
0
1
1
Variable speed operation through external domotic (BMS) system or ballast
potentiometer
1
0
0
Three-speed operation with SEL-3V speed selector
1
2
3
4
Humidity control selection
0
Humidistat enabled
1
Humidistat disabled
1 2 3 4
1
0
6.1. Two-speed operation with remote switch (default setting)
The unit comes pre-wired to run at the speed set by turning the integral trimmer “V1” on the internal electronic circuit (Fig. 5.j)
and can be boosted to the second speed, which is set by turning the integral trimmer “V2”. The second speed is activated, when
needed, by means of a remote switch (not supplied).
Factory setting:
“V1” (first speed) 135m
3
/h @0Pa
“V2” (second speed) 383m
3
/h @0Pa
Dip switch configuration: 1000 for QCMEV 125 HY
Dip switch configuration: 1001 for QCMEV 125
