Heat Controller SMA Service Manual page 22

SMA12SA-0
Indoor unit
:
TO OUT DOOR U NIT
OUTDOOR UNIT
IN DOOR U NIT
DISPLAY BOARD
outdoor unit:
C N2
G
G
RE D RE D
C T1
Y/G
S
G
BL UE
C A P1
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
B ROW N
BLU E
BLA C K
RED
P 2
P 1
Y/G
Y/G
REL A Y
L
CN9
C N10
BLACK
C
FAN2
M
COMP
R
RED
RED
WHITE
CAP2
1 2
1 2
Heat Controller, Inc. Jackson, MI 49203
STEP MOTOR1
INDOOR MOTO R
STEP MOTOR2
5
C N 6
CN 7
CN2
XT1
WHITE
BLACK
C N3
Y/G
N
N
CN4
W H ITE
WH ITE
- 18 -
WIRING DIAGRAM
(INDOOR UNIT)
3
SWITCH BOARD
PIPE TEMPERATURE SENSOR
ROOM TEMPERATURE SENSOR
WIRING DIAGRAM
(OUTDOOR UNIT)
TO INDOOR UNIT
P OWER SUPP LY
G
PAR T NAME
CODE
COMPRE SSOR
COMP
COMPRE SSOR CAP ACITOR
CAP1
OUTDOO R FAN
FAN2
OUTDOO R FAN CA PACITOR
CAP2
7-WAY TERMINAL
XTI
CURREN T INDUCT OR
CT1
COMPRE SSOR REL AY
RELAY