81
Connection cable between outdoor
and indoor unit
Remote control wiring
Earth wiring:
Make the earth wiring 25 - 30 mm longer than
connecting wires to L/1, N/2, 3.
To outdoor unit (1, 2, 3)
To remote controller (1, 2)
Clamper*
1
(supplied)
Clamping Clip
4-3. Wiring System Diagram
■ Wiring System Diagram For RAC Multi
G
1
D
2
R1
R2
U1
U2
L/1
N/2
3
G
1
D
2
R1
R2
U1
U2
L/1
N/2
3
G
1
D
2
R1
R2
U1
U2
L/1
N/2
3
L
N
1
2
3
L
N
1
2
3
1
2
3
Remote controller
Remote controller
Remote controller
Indoor unit
Indoor unit
Indoor unit
Outdoor unit
(single-phase)
Power supply
230V ~ 50Hz
Ground
(UNIT A)
(UNIT B)
(UNIT E)
Remarks :
RAC Multi Outdoor Terminal Indication
Multi 2 (UNIT A) (UNIT B)
Multi 3 (UNIT A) (UNIT B) (UNIT C)
Multi 4 (UNIT A) (UNIT B) (UNIT C) (UNIT D)
Multi 5 (UNIT A) (UNIT B) (UNIT C) (UNIT D) (UNIT E)
Indoor unit wiring sample
Example
CU-3Z68***
Note:
Refrigerant piping
Wiring Connection
2.5 kW
2.5 kW
2.5 kW
2.5 kW
2.5 kW
2.5 kW
Example
CU-3Z68***
01_330918_EU_Eng.indb 81 2021/9/9 11:27:07
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