6
5.4 Electric Connections
The unit must be earthed.
The QR350MBP is wired internally from factory.
Figures below show the wiring diagram.
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.
5.j
Single speed operation
5.k
Two speed operation
5.m
Variable speed operation with CTRL-M remote manual controller
5.n
Variable speed operation through external domotic
(BMS) system or ballast potentiometer
5.o
Three speed operation with CTRL-S controller
5.l
Two speed operation
S1 S2 S3 GND
1 2 3
4
N
L
V2
V1
GND POT +10
SWITCH FOR BYPASS
ACTIVATION
1 2 3
4
S1 S2 S3 GND
TWO POSITION
SWITCH OR
REMOTE SENSOR
N
L
V1
V2
GND POT +10
SWITCH FOR BYPASS
ACTIVATION
1 2 3
4
N
L
V1
V2
GND POT +10
CTRL-M
S1 S2 S3 GND
SWITCH FOR BYPASS
ACTIVATION
S1 S2 S3 GND
SWITCH FOR BYPASS
ACTIVATION
1 2 3
4
GND POT +10
N
L
V1
V2
1-10V
BALLAST
+
-
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
N
L
V1
V2
GND POT +10
SWITCH FOR BYPASS
ACTIVATION
+
U
-
5.g
Connect the supplied condensation elbow(s) to the drainage hole(s) in the opening at the bottom of the unit: in case close and seal the non-used hole
with the 2 supplied plugs (one each side of the hole). Make sure of water and air tightness of all connections. It is necessary to use a U-bend (or similar)
in the condensation drainage pipe. The water drainage connections can be made either through the holes at the bottom side of the casing or through the
opening at the rear side of the casing.
5.h
Connect the unit to the duct system. Make sure that all necessary accessories are used to create a functional ventilation solution.
5.i
Connect the unit electrically according to point 5.4. Check that it starts up correctly.
Summary of Contents for QR350MBP
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