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Page 26
Indoor Unit
Installation
Electric auxiliary heang wiring diagram
Round hole number Relay number
CB1
:thermal cut-out
:thermal link, self-reseng
3KW/5KW HEAT KIT
:thermal cut-out
:thermal link, self-reseng
8KW/10KW HEAT KIT
15KW HEAT KIT
:thermal cut-out
:thermal link, self-reseng
:thermal cut-out
:thermal link, self-reseng
20KW HEAT KIT
Round hole number
Round hole number Relay number
RELAY 1
RELAY 2
RELAY 1
RELAY 2
Round hole number
CB1
Round hole number Relay number
RELAY 1
RELAY 2
RELAY 1
RELAY 2 CB2
Round hole number
RELAY 4
Round hole number Relay number
RELAY 1
RELAY 2
Circuit breaker number
RELAY 1
RELAY 2 CB2
Round hole number
RELAY 3
RELAY 4
RELAY 1
CB1
CB1
3(S)
1(L1)
2(L2)
TYPE A
L1
L2
TYPE B
Y/G
3(S)
1(L1)
2(L2)
TYPE A
L1
L2
TYPE B
Y/G
3(S)
1(L1)
2(L2)
TYPE A
L1
L2
TYPE B
Y/G
3(S)
1(L1)
2(L2)
TYPE A
L1
L2
TYPE B
Y/G
Circuit breaker number
Circuit breaker number
Circuit breaker number
NOTE2:
Please aach the nameplate to the cover of
the electric control box. All the round holes
located on the plate represent numbers. Please
refer to the Installaon Manual for details.
NOTE1:
This symbol indicates the element is
oponal, The wiring type of the actual
unit shall prevail.
NOTE3: TO BE WIRED IN ACCORDANCE WITH NEC
AND LOCAL CODES.
NOTE4: POWER A,B,C,D ARE DIFFERENT POWERS.
NOTE2:
Please aach the nameplate to the cover of
the electric control box. All the round holes
located on the plate represent numbers. Please
refer to the Installaon Manual for details.
NOTE1:
This symbol indicates the element is
oponal, The wiring type of the actual
unit shall prevail.
NOTE3: TO BE WIRED IN ACCORDANCE WITH NEC
AND LOCAL CODES.
NOTE4: POWER A,B,C,D ARE DIFFERENT POWERS.
NOTE2:
Please aach the nameplate to the cover of the
electric control box. All the round holes located
on the plate represent numbers. Please refer to
the Installaon Manual for details.
NOTE1:
This symbol indicates the element is oponal,
The wiring type of the actualunit shall prevail.
NOTE3: TO BE WIRED IN ACCORDANCE WITH NEC
AND LOCAL CODES.
NOTE4: POWER A,B,C,D ARE DIFFERENT POWERS.
NOTE2:
Please aach the nameplate to the cover of the
electric control box. All the round holes located
on the plate represent numbers. Please refer to
the Installaon Manual for details.
NOTE1:
This symbol indicates the element is oponal,
The wiring type of the actual unit shall prevail.
NOTE3: TO BE WIRED IN ACCORDANCE WITH NEC
AND LOCAL CODES.
Y/G
Y/G
Y/G
Y/G
RED
YELLOW
BLACK
3
24V～
Aux-Heat
control signal
RED
RELAY1
RED
BLACK
BLACK
TO INDOOR UNIT
MAINBOARD
cn12
TO INDOOR UNIT
MAINBOARD
cn11
L1
L2
CB1
3(S)
1(L1)
2(L2)
POWER A
RED
BLACK
HTR1
0000000000000000
1111111
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6
2 4
6
L2
L1
CB CB
TCO1
TL1
POWER B
(green)
Y/G
Y/G
RED
YELLOW
BLACK
3
BLACK
BLACK
RED
RED
RELAY2
RELAY1
BLACKRED
RED
BLACK
0
1
0
1
0
1
0
0
1
2 4
6
8
0
1
2 4
6
8
0
1
2 4
6
8
0
1
2 4
6
8
0
1
2 4
6
8
0
1
2 4
6
8
0
1
2 4
6
8
0
2 4
6
8
Aux-Heat
control signal
24V～
TO INDOOR
UNIT MAIN
BOARD CN12
TO INDOOR UNIT
MAINBOARD
CN11
3(S)
1(L1)
2(L2)
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
RED
BLACK
HTR1
TCO1
TL1
RED
BLACK
HTR2
TCO2
TL2
L1
L2
CB1
L2
L1
CB CB
POWER A POWER B
(green)
Y/G
Y/G
RED
YELLOW
BLACK
3
BLACK
BLACK
RED
RED
RED
RELAY4
RELAY1
RELAY2
BLACK
BLACK
BLUE
0
1
2
4
6
8
0
1
2
4
6
8
0
1
2
4
6
8
1
2
4
6
8
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
2
4
6
8
1
2
4
6
8
1
2
4
6
8
2
4
6
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
RED
Aux-Heat
control signal
24V～
TO INDOOR UNIT
MAINBOARD
CN11
TO INDOOR
UNIT MAIN
BOARD
CN12
BLACK
BLACKRED
BLACK
3(S)
1(L1)
2(L2)
0000000000000000
1111111
RED
BLACK
HTR1
TCO1
TL1
2
4
6
8
2
4
6
8
2
4
6
8
2
4
6
8
2
4
6
8
2
4
6
8
2
4
6
8
2
4
6
RED
BLACK
HTR2
TCO2
TL2
RED
BLACK
HTR3
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6 8
2 4
6
2 4
6
TCO3
TL3
L1
L2
CB1
L2
L1
CB CB
L1
L2
L2
L1
CB CB
CB2
POWER A
POWER B POWER C
(green)
Y/G
Y/G
Y/G
NOTE4: POWER A,B,C,D ARE DIFFERENT POWERS.
The wiring mode of power supply A shall be
based on the type of original wiring terminal of
AHU; for type A, S posion must be connected
to the ourdoor S; for type B, S posion shall not
be connected.
The wiring mode of power supply A shall be
based on the type of original wiring terminal of
AHU; for type A, S posion must be connected
to the ourdoor S; for type B, S posion shall not
be connected.
The wiring mode of power supply A shall be
based on the type of original wiring terminal of
AHU; for type A, S posion must be connected
to the ourdoor S; for type B, S posion shall not
be connected.
The wiring mode of power supply A shall be
based on the type of original wiring terminal of
AHU; for type A, S posion must be connected to
the ourdoor S; for type B, S posion shall not be
connected.
RED
YELLOW
BLACK
3
RED
RED
BLACK
BLACK
RED
RED
RELAY3
RELAY4
RELAY2
RELAY1
RED BLACK
BLACK
RED
BLUE
BLACK
RED
Aux-Heat
control signal
0
2 4
0
2 4
0
2 4
0
2 4
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
2 4
0
2 4
0
2 4
2 4
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
2
4
8
0
2
4
8
0
2
4
8
0
2
4
8
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
2
4
8
0
2
4
8
0
2
4
8
0
2
4
8
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
2
4
8
0
2
4
8
0
2
4
8
0
2
4
8
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
2
4
8
0
2
4
8
0
2
4
8
0
2
4
8
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
1
4
0
4
24V～
TO INDOOR UNIT
MAINBOARD
CN11
TO INDOOR
UNIT MAIN
BOARD
CN12
RED
BLACK
BLACK
BLACK
BLACK
3(S)
1(L1)
2(L2)
1111111111111111
6 86 86 86 86 86 86 86 86 86 86 86 86 86 86 86 8
6666666666666666
8888888888888888 6666666666666666
2222222222222222
1111111111111111111111111111111
L1
L2
CB1
L2
L1
CB CB
L1
L2
CB2
L2
L1
CB CB
RED
BLACK
RED
BLACK
HTR4
TCO4
TL4
HTR3
TCO3
TL3
HTR1
TCO1
TL1
RED
BLACK
HTR2
TCO2
TL2
2 42 42 42 42 42 42 42 4
6 86 86 86 86 86 86 86 86 86 86 86 86 86 86 86 8
POWER A
POWER B POWER C
(green)
Y/G
Y/G
Y/G
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