www.DaikinApplied.com
7
IM 745-3
Models THCH08, THCH10 and THCH12
(Basic Unit Only)
Figure 9: (115V / 1Ph / 60Hz), (208-230V / 1Ph / 60Hz)
H
YELLOW
SHF: FAN SPEED SUPER HIGH
BLACK
YELLOW
LF: FAN SPEED LOW
M1,M2: FAN MOTOR
FIELD WIRING
NOTE:
HF: FAN SPEED HIGH
MF: FAN SPEED MEDIUM
G/Y
RED
G/Y
BLUE
RED
L
SOURCE
POWER
N
FAN SPEED
SWITCH
SHF
HF
ORANGE
BROWN
M2
BLACK
G/Y
BLACK
ORANGE
BROWN
L
M
MF
LF
M1
BLACK
MAIN SWITCH
G
G/Y
WHITE
BLACK
G/Y: GREEN/YELLOW
BLACK
G/Y: GREEN/YELLOW
FIELD WIRING
M1,M2: FAN MOTOR
LF: FAN SPEED LOW
NOTE:
POWER
SOURCE
MAIN SWITCH
BLACK
WHITE
MF: FAN SPEED MEDIUM
HF: FAN SPEED HIGH
SHF: FAN SPEED SUPER HIGH
M2
G/Y
RED
BLUE
N
YELLOW
BROWN
G/Y
BLACK
SWITCH
FAN SPEED
H
M
L
LF
G/Y
L
RED
SHF
ORANGE
MF
YELLOW
HF
BROWN
M1
BLACK
ORANGE
BLACK
Figure 10: (220V / 1Ph / 50Hz)
H
YELLOW
SHF: FAN SPEED SUPER HIGH
BLACK
YELLOW
LF: FAN SPEED LOW
M1,M2: FAN MOTOR
FIELD WIRING
NOTE:
HF: FAN SPEED HIGH
MF: FAN SPEED MEDIUM
G/Y
RED
G/Y
BLUE
RED
L
SOURCE
POWER
N
FAN SPEED
SWITCH
SHF
HF
ORANGE
BROWN
M2
BLACK
G/Y
BLACK
ORANGE
BROWN
L
M
MF
LF
M1
BLACK
MAIN SWITCH
G
G/Y
WHITE
BLACK
G/Y: GREEN/YELLOW
BLACK
G/Y: GREEN/YELLOW
FIELD WIRING
M1,M2: FAN MOTOR
LF: FAN SPEED LOW
NOTE:
POWER
SOURCE
MAIN SWITCH
BLACK
WHITE
MF: FAN SPEED MEDIUM
HF: FAN SPEED HIGH
SHF: FAN SPEED SUPER HIGH
M2
G/Y
RED
BLUE
N
YELLOW
BROWN
G/Y
BLACK
SWITCH
FAN SPEED
H
M
L
LF
G/Y
L
RED
SHF
ORANGE
MF
YELLOW
HF
BROWN
M1
BLACK
ORANGE
BLACK
W
IrIng
D
Iagrams
Control Wiring Schematics
Figure 11: Heating/Cooling 2-Pipe With Automatic Changeover
WHT
16
CLG
BLU
HTG
RED
BLK
RED
WHT
WHT
TCI
ORG
C/O
V
HTG
CLG
TCI
V
C/O
Wire No.
Wire Color
Wire Connector
Wire Connector
Field Connector
Cooling
Heating
Thermostat
Valve
Change over Switch
(Manual or Auto)
BLK
Legend
Figure 12: Heating/Cooling 4-Pipe With Sequencing Thermostat
CLG
BLU
HTG
RED
BLK
BLK
HTG
CLG
WHT
WHT
WHT
TCI
ORG
V
V
WHT
16
HTG
CLG
TCI
V
C/O
Wire No.
Wire Color
Wire Connector
Wire Connector
Field Connector
Cooling
Heating
Thermostat
Valve
Change over Switch
(Manual or Auto)
Legend
