Carrier 38KCR009713 - ELECTRICAL WORK Electrical Work

10
Connect the cable to the outdoor unit
ELECTRICAL WORK
1. Remove the electrical control board cover from the outdoor unit by loosening the screw.
2. Connect the connective cables to the terminals as identified with their respective matched
numbers on the terminal block of indoor and outdoor units.
3. Secure the cable onto the control board with the cord clamp.
4. To prevent the ingress of water, from a loop of the connective cable as illustrated in the
installation diagram of indoor and outdoor units.
5. Insulate unused cords (conductors) with PVC-tape.Process them so they do not touch any
electrical or metal parts.
Cover
Screw
Fig.21
1. The inside and outside connecting cable can be connected without opening the front panel.
2. Remove the front cover on chassis and front cover of frame as shown in Fig.20. Then remove
the terminal board cover by loosening the screw.
3. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene shea-
thed flexible cord, type designation H07RN-F or heavier cord. Ensure the colour of wires of
outdoor unit and the terminal Nos. are the same to the indoor s respectively.
4. Wrap those cables not connected with terminals with insulation tapes, so that they will not touch
any electrical components. Secure the cable onto the control board with the cord clamp.
NOTE: Before performing any electrical work, turn off the main power to the system.
,
Terminal block of indoor unit
Fig.20
Panel
Terminal board
cover
4
Wire-holding
board
1
1 3
2(N)
2(N)
4
Wire-holding board
1
1 3
2(N)
2(N)
41 3
2(N)
Or
Cooling only type.
Cooling & heating type.
Cooling only type.
Cooling & heating type.
Front cover
on chassis
Hold here by
hand and
loosen the
screw
1
Pull it
downwards
Press here to
disengage the
hook from the unit,
pull it downwards
to remove the cover
2
3
4
Front cover
of frame
Front cover
on chassis
Connect the cable to the indoor unit
41 3
2(N)
Or
Terminal block of outdoor unit
41
3
2(N)
Or
(1)
(2)
NOTE: The wiring connection may be slightly
different for the different terminal block supplied.
Performing the connection according to the
terminal block as the following:
Terminal block of indoor unit
To outdoor unit
1 2(N) 3 4
Or
1 2(N) 3 4
To outdoor unit
To outdoor unit
Cord clamp
1 2(N) 3 4 1 2( N)
Or
To outdoor unit
Cord clamp
Cooling only type.
Cooling & heating type.