Heat Controller SMA Service Manual page 23

SMH12SA-0
Indoor unit:
TO OUT DOOR U NIT
OUTDOOR UNIT
IN DOOR U NIT
DISPLAY BOARD
outdoor unit:
G
G
CN1
RE D
CT 1
COMP
Y/G
S
G
BLUE
CAP1
Note： ： ： ： This wire is BLUE in the outdoor unit using 208-230V power supply.
Service manual
5 5
C N3
JXZ_G1
CONTROLLER BO AR D
1 0
BROWN
BLU E
BLA CK
RED
CN2
Y/G
Y/G
R EL AY
CN6 CN5
FS2
C
BLACK
F AN2 ( OR
R
M
VALVE
WHI TE
RED
RED
CA P2
Heat Controller, Inc. Jackson, MI 49203
STEP MOTOR1
INDOOR MOTO R
STEP MOTOR2
5
C N 6
CN2
P 2
P1
WHIT E
FS1
BLAC K
C N3
L
N
CN4
N
CN10
BLAC K B LACK
( OR BLU E )
BLU E )
WHITE
WHITE
- 19 -
WIRING DIAGRAM
(INDOOR UNIT)
3
SWITCH BOARD
CN 7
PIPE TEMPERATURE SENSOR
ROOM TEMPERATURE SENSOR
WIRING DIAGRAM
(OUTDOOR UNIT)
XT 1
TO INDOOR UN IT
POWER SUPPLY
G
Y/G
CO DE
PART NAME
CO MP
COMPRES SOR
CA P1
COMPRES SOR CA PACITO R
FA N2
OUTDOOR FAN
CA P2
OUTDOOR FAN C APACIT OR
XT I 7-WAY T ERMINA L
CT 1
CURRENT INDUC TOR
RE LAY
COMPRES SOR RE LAY
VA LVE
REVERSI NG VAL VE
FS 1,FS2
FUSE