Wiring Instructions For The Outdoor Unit - Technibel Climatisation MCAF78 Instructions D'installation

5-5. Wiring Instructions for the Outdoor Unit

CAUTION
G
Be sure to correctly align inter-unit cables A, B, C and D.
Indoor unit A
A is the indoor unit with
Terminal board
refrigerant tubing that is
1 2 3
connected to service valve
A (top) of the outdoor unit.
Label A
A
Indoor unit B
B is the indoor unit with
refrigerant tubing that is Terminal board
1 2 3
connected to service valve
B (top) of the outdoor unit.
Label B
B
Indoor unit C
C is the indoor unit with
refrigerant tubing that is
Terminal board
1 2 3
connected to service valve
C (top) of the outdoor unit.
Label C
C
Indoor unit D
D is the indoor unit with
refrigerant tubing that is
Terminal board
1 2 3
connected to service valve
D (top) of the outdoor unit.
Label D
D
G
Use a dedicated Air Conditioner circuit for power.
G
To make connections to the outdoor unit, remove the
inspection panel and tubing panel.
G Do not bring the inter-unit cables or power cable into
contact with tubing or service valves.
G
Use outdoor unit cable fasteners and fasten the
inter-unit cables at the location where the cables are
double-sheathed.
G Arrange the wiring so that the inter-unit cables are
contained in the inspection panel and tubing panel,
as shown in Fig. 31.
Outdoor unit A
Terminal board
1 2 3 4 5 6 7 8 9 10 11 12
Inter-unit cables
ø1.0 (not provided)
Inter-unit cables
ø1.0 (not provided)
Inter-unit cables
ø1.0 (not provided)
Inter-unit cables
ø1.0 (not provided)
Fig. 31
22
1 2 3
Power:
Single-phase,
220/240VAC 50HZ
Power cable (not provided)
(ø3.5 mm: Less than 26 m)
Be sure to perform grounding.
Attach a ground wire to either the
outdoor unit or indoor unit.
If there is a grounding terminal
inside the room, use the grounding
screw inside the indoor unit.
Be sure to apply the provided labels to both
ends of the inter-unit cables to prevent mis-
wiring. The units will not function if the wiring
connections are incorrect.
Power switch
(not provided)
Ground