Heat Controller SMA - Page 23

Service manual
SMH12SA-0
I
n
d
o
o
r u
n
i
t
:
PIPE TEMPERATURE SENSOR
C
N
1
CN2
ST EP M OT OR2
INDOOR MOTO R
JXZ_G1
ROOM TEMPERATURE SENSOR
IN DOOR U NIT
1 2 3 4
TO OUT DOOR U NIT
DISPLAY BOARD
OUTDOOR UNIT
CN 6
CN3
5
5
C
N
5
10
WIRING DIAGRAM
(INDOOR UNIT)
CONTROLLER BO AR D
5
SWITCH BOARD
3
ST EP MO TO R1
CN 7
outdoor unit:
COMP
CAP1
M
F AN2
RED
RED
XT 1
C
S
R
WIRING DIAGRAM
(OUTDOOR UNIT )
CO DE
CO MP
CA P1
FA N2
CA P2
XT I
CT 1
RE LAY
VA LVE
FS 1,FS2
PART NAME
COMPRES SOR
COMPRES SOR CA PACITO R
OUTDOOR FAN
OUTDOOR FAN C APACIT OR
7-WAY T ERMINA L
CURRENT INDUC TOR
COMPRES SOR RE LAY
FUSE
REVERSI NG VAL VE
CN2
C N3
CN4
CN10
CN6
CT 1
BROWN
BLU E
BLA CK
RED
R EL AY
WHIT E
BLAC K
Y/G
WHITE
RE D
BLACK
BLUE WHI TE
Y/G
POWER SUPPLY
TO INDOOR UN IT
P1
P 2
N
N
L
CN5
BLAC K
( OR )BLU E
FS2
FS1
VALVE
CA P2
WHITE
G
G
G
G
Y/G
Y/G
CN1
C O N D E N S A T O R S E N S O R
B LACK
( OR )BLU E
Note：
：：
：This wire is BLUE in the outdoor unit using 208-230V power supply.
Heat Controller, Inc. Jackson, MI 49203
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