5. ELECTRICAL WIRING
9
installation manual
For 10.5~18kw(
3-Phase)
Fig. 5-2
Outdoor unit
Signal wire between indoor/outdoor unit
Indoor unit
Indoor unit
Indoor unit
Signal wire between indoor units
1
// /
3
4
(
/
1
(
4
3
(
<
;
/
1
(
/
1
(
4
3
4
3
<
(
;
Branch Box
Branch Box
CCM
(
<
;
(
<
;
Branch Box
Please use 3-core shielded wire, and connect the shielded layer to Grounding
Power Supply
Power Supply
;
<
(
<
(
;
CCM
For 8~18kw(
1-Phase
)
Fig. 5-1
Outdoor unit
Signal wire between indoor/outdoor unit
Indoor unit
Indoor unit
Indoor unit
Signal wire between indoor units
1
/
3
4
(
/
1
(
4
3
(
<
;
/
1
(
/
1
(
4
3
4
3
<
(
;
Branch Box
Branch Box
CCM
(
<
;
(
<
;
Branch Box
Please use 3-core shielded wire, and connect the shielded layer to Grounding
Power Supply
Power Supply
;
<
(
<
(
;
CCM
For 8~18kW
Fig. 5-3
Outdoor
Unit
Indoor
Unit
Power wiring
(indoor)
Communication Bus
Power (220-240V~ 50Hz 1-Phase)
(208-230V~ 60Hz 1-Phase)
Power (220-240V~ 50Hz 1-Phase)
(208-230V~ 60Hz 1-Phase)
Indoor
Unit
Indoor
Unit
Wire distribution box
Switch / Circuit breaker
Switch / Circuit breaker
Power wiring
(outdoor)
Central control
monitor (CCM)
Computer
In broken line table, users can purchase the central
control monitor when necessary
