5.4 Precabled electric connections
The unit must be earthed.
The units are wired internally from factory.
To connect the the CTRL-DSP to the mother board use a 4 poles twisted-pair cable: 30m max length.
Unit comes pre-wired with:
- mains supply cable (3-core: brown, blue, yellow/green).
- control cable, for connection to CTRL-DSP (4-core: green, brown, yellow, white).
- cable for connection to remote sensor (2-core: blue, brown).
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.
fig. 5.p
Electric connections
YELL
O
W
-GREEN
BL
UE
BROW
N
N
L
SUPPLY
CONTROL
YELL
O
W (A)
WHITE (B)
BR
O
WN (+12V)
GREEN (GND)
REMOTE SENSOR
BL
UE
BROW
N
Summary of Contents for QR280A
Page 1: ...QR280A QR400A QR550A aL ...