20
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.
5.4 Electric Connections
The unit must be earthed.
The QR180M is wired internally from factory. Figures below show the wiring diagrams.
Unit comes pre-wired with:
- mains supply cable (3-core: brown, blue, yellow/green).
- speed selection cable, for connection to CTRL-S accessory (4-core: green, brown, yellow, white).
Factory settings: speed 1 set at 40%, speed 2 set at 70% and speed 3 set at 100%.
Fig. 5.f
Electrical connection
Fig. 5.g
CTRL-S
(accessory on request)
I
I I
YELL
O
W (A)
WHITE (B)
BR
O
WN (+12V)
GREEN (GND)
CONTROL
BL
Ue
YELL
O
W/GREEN
BR
O
WN
FILTER RESET
POWER
SUPPLY
N L
CTRL-S
L
1
1
1
L
L
S1 S2 S3
II
I
