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Connection method C:
The following wiring diagram are suitable for the
AHU and ODU with 24V thermostat.
Non-communication scheme wiring reference
•
Wiring for 4H and 2C thermostat
W2
W1/E
O/B
Y2
Y1
G
L
C
R
DH
THERMOSTAT
DH
R
C
L
G
INDOOR UNIT
S4-1 DIP switch o
Perform disconnection and
short-circuit to achieve
partition, control or dehumidi cation
•
Wiring for 3H and 1C thermostat
W2
W1/E
O/B
Y
G
L
C
R
DH
THERMOSTAT
DH
R
C
L
G
Y1
INDOOR UNIT
S4-1 DIP switch o
Perform disconnection and
short-circuit to achieve
partition, control or dehumidi cation
•
Wiring for 3H and 2C thermostat
E
O/B
Y2
Y1
G
L
C
R
DH
THERMOSTAT
DH
R
C
L
G
Y1
INDOOR UNIT
S4-1 DIP switch o
Perform disconnection and
short-circuit to achieve
partition, control or dehumidi cation
R
C
Y1 Y2
B W D
Y1
B W
W1 W2
E
OUTDOOR UNIT
S4-2 DIP switch o
Disconnect and short
circuit to realize heating
segment
B W
W1 W2
E
R
C
Y1 Y2
B W D
OUTDOOR UNIT
S4-2 DIP switch o
Disconnect and short
circuit to realize heating
segment
C
Y1 Y2
B W
W1 W2
E
R
B W D
OUTDOOR UNIT
Emergency heating control two groups
of electric heating at the same time
•
Wiring for 3H and 2C thermostat
W1/E
O/B
Y2
Y1
G
L
C
R
DH
THERMOSTAT
DH
R
S4-1 DIP switch o
Perform disconnection and
short-circuit to achieve
partition, control or dehumidi cation
L
•
Wiring for 2H and 2C thermostat
O/B
Y2
Y1
G
C
R
THERMOSTAT
R
C
DH
•
Wiring for 2H and 1C thermostat
W/E
O/B
Y
G
L
C
R
THERMOSTAT
DH
R
C
•
Wiring for 1H and 1C thermostat
O/B
Y
G
C
R
THERMOSTAT
L
DH
R
C
Page 44
C
L
G
Y1
B W
W1 W2
E
INDOOR UNIT
S4-2 DIP switch o
Disconnect and short
circuit to realize heating
segment
L
G
B W
E
R
C
Y1
W1 W2
INDOOR UNIT
L
G
Y1
B W
W1 W2
E
R
INDOOR UNIT
S4-2 DIP switch o
Disconnect and short
circuit to realize heating
segment
L
G
Y1
B W
W1 W2
E
R
C
INDOOR UNIT
R
C
Y1 Y2
B W D
L
Y1 Y2
B W D
L
OUTDOOR UNIT
C
Y1 Y2
B W D
L
OUTDOOR UNIT
Y1 Y2
B W D
L
OUTDOOR UNIT
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