21
5.4 Electric Connections
The unit must be earthed.
The QR100M is wired internally from factory.
Figures below show the wiring diagrams.
WARNING
Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintenance or
electrical work!
WARNING
The installation and service of the unit and complete ventilation system must be performed by an authorized installer and in
accordance with local rules and regulations.
S1 S2 S3 GND
1 2 3
4
N
L
V2
V1
GND POT +10
SWITCH FOR FREE
COOLING ACTIVATION
INTERRUTTORE
PER ATTIVAZIONE
FREE COOLING
1 2 3
4
S1 S2 S3 GND
TWO POSITION
SWITCH OR
REMOTE SENSOR
DEVIATORE O
SENSORE ESTERNO
N
L
V1
V2
GND POT +10
SWITCH FOR FREE
COOLING ACTIVATION
INTERRUTTORE
PER ATTIVAZIONE
FREE COOLING
5.k
Single speed operation
5.l
Two speed operation
1 2 3
4
N
L
V1
V2
GND POT +10
CTRL-M
S1 S2 S3 GND
SWITCH FOR FREE
COOLING ACTIVATION
INTERRUTTORE
PER ATTIVAZIONE
FREE COOLING
N
L
1 2 3
4
S1 S2 S3 GND
N
L
V1
V2
CTRL-S
GND POT +10
S1 S2 S3
II
I
L
L
L
1
1
1
1 2 3
4
S1 S2 S3 GND
SWITCH FOR SPEED
2 SELECTION
INTERRUTTORE PER
SELEZIONE VELOCITÀ 2
N
L
V1
V2
GND POT +10
SWITCH FOR FREE
COOLING ACTIVATION
INTERRUTTORE
PER ATTIVAZIONE
FREE COOLING
5.m
Two speed operation
5.n
Variable speed operation with CTRL-M remote manual controller
5.o
Variable speed operation through external domotic
(BMS) system or ballast potentiometer
5.p
Three speed operation with CTRL-S controller
+
U
-
S1 S2 S3 GND
SWITCH FOR FREE
COOLING ACTIVATION
INTERRUTTORE
PER ATTIVAZIONE
FREE COOLING
1 2 3
4
GND POT +10
N
L
V1
V2
1-10V
BALLAST
+
-
Summary of Contents for QR100M
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