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5.a
Prepare the surface where the unit is to be mounted. Make sure that the surface is flat, leveled and that it supports the weight
of the unit. Perform the installation in accordance with local rules and regulations.
5.b
Use appropriate plugs and rods or screws (not supplied) to fix the unit to the ceiling. It is recommended to fit the unit with
anti-vibration mounts (not supplied).
5.c
Assure that the unit is completely flat once mounted to the ceiling.
5.d
Connect the unit to the duct system. Make sure that all necessary accessories are used to create a functional ventilation
solution.
Connect the unit electrically according to §5.4. Check that it starts up correctly.
5.4 Precabled electric connections
The unit must be earthed.
The QR230E is 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.f
Electrical connection
YELL
O
W (A)
WHITE (B)
BR
O
WN (+12V)
GREEN (GND)
BL
UE
YELL
O
W/GREEN
BR
O
WN
POWER
SUPPLY
EXTERNAL
SENSOR
CONTROL
BL
UE
BR
O
WN
