Install Instructions
Wiring is subject to change. Always refer to the wiring diagram on the unit for the
most up-to-date wiring.
Fig.25: INDOOR UNIT WIRING DIAGRAM FOR ELECTRIC HEAT
POWER
RED
BLACK
FL
BLUE
4
1 3
2
CB1
W1
WHITE
L1’
L2’
L1
L2
BLUE
RED
RELAY1
LS
ELEMENTS
BROWN
BLACK
1
2
3
4
5
6
C
5kW HEAT KIT
HEATER KIT PLUG
6
2
POWER
RED
RED
BLACK
YELLOW
FL
FL
BLUE
BLUE
4
1 3
2
10kW HEAT KIT
CB1
W1
WHITE
L1’
L2’
L1
L2
BLUE
RED
LS
LS
ELEMENTS
ELEMENTS
BROWN
BLACK
1
2
3
4
5
6
0
7.5kW HEAT KIT
HEATER KIT PLUG
7.5kW CB1 50A
10kW CB1 60A
4
8
2
6
C
1
0
1
BLACK
YELLOW
4
8
2
6
RELAY2
8
YELLOW
4
RELAY1
CB CIRCUIT BREAKER
LS LIMIT SWITCH
FL FUSE LINK
CB CIRCUIT BREAKER
LS LIMIT SWITCH
FL FUSE LINK
WHITE
BLACK
POWER
YELLOW
RED
FL
BLUE
4
1 3
2
CB2:30A
W2
L1’
L2’
L1
L2
LS
ELEMENTS
0
C
1
4
8
2
6
RELAY2
POWER
RED
RED
BLACK
FL
FL
BLUE
BLUE
4
1 3
2
CB1:60A
W1
WHITE
L1’
L2’
L1
L2
BLUE
RED
LS
LS
ELEMENTS
ELEMENTS
BROWN
BLACK
1
2
3
4
5
6
0
15kW HEAT KIT(10kW+5kW)
HEATER KIT PLUG
4
8
2
6
C
1
0
1
BLACK
YELLOW
4
8
2
6
RELAY2
YELLOW
RELAY1
CB CIRCUIT BREAKER
LS LIMIT SWITCH
FL FUSE LINK
WHITE
BLACK
BLACK/WHITE
POWER
RED
RED
BLACK
FL
FL
BLUE
BLUE
4
1 3
2
CB2
L1’
L2’
L1
L2
LS
LS
ELEMENTS
ELEMENTS
0
4
8
2
6
C
1
0
1
BLACK
YELLOW
4
8
2
6
RELAY2
YELLOW
RELAY1
WHITE
BLACK
POWER
RED
RED
BLACK
FL
FL
BLUE
BLUE
4
1 3
2
CB1
W1
WHITE
L1’
L2’
L1
L2
BLUE
RED
LS
LS
ELEMENTS
ELEMENTS
BROWN
BLACK
1
2
3
4
5
6
0
20kW HEAT KIT/CB 60A
HEATER KIT PLUG
4
8
2
6
C
1
0
1
BLACK
YELLOW
4
8
2
6
RELAY2
YELLOW
RELAY1
CB CIRCUIT BREAKER
LS LIMIT SWITCH
FL FUSE LINK
WHITE
BLACK
BLACK/WHITE
BLACK
BLACK
CN6
PCB
1
2
3
4
5
6
CN6
PCB
1
2
3
4
5
6
CN6
PCB
1
2
3
4
5
6
CN6
PCB
1
2
3
4
5
6
NOTE1
NOTE1: WHEN THE AHU MACHINE DOES NOT CONTAIN PCB BOARDS, SHORT LINES IN THE ACCESSORY BAG DOES NOT NEED.
NOTE1
NOTE1
15kW HEAT KIT(7.5kW+7.5kW )/CB 50A
BLACK
W2
21