Heat Controller SMA - Page 22

Service manual
SMA12SA-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
CA P1
1 2
M
FAN2
RED
RED
XT1
1 2
C
S
R
2
N
L 1
4
3
WIRING DIAGRAM
(OUTDOOR UNIT)
CODE
COMP
CAP1
FAN2
CAP2
XTI
CT1
RELAY
PAR T NAME
COMPRE SSOR
COMPRE SSOR CAP ACITOR
OUTDOO R FAN
OUTDOO R FAN CA PACITOR
7-WAY TERMINAL
CURREN T INDUCT OR
COMPRE SSOR REL AY
CN2
CN3
CN4
CN10
CN9
BROW N
BLUE
BLAC K
RED
RELA Y
WHITE
BLACK
Y/G
WH ITE
WH ITE
RE DRE D
BLACK
BL UE WHITE
Y/G
P OWER SUPP LY
TO IN DOOR U NIT
P1
P2
N
N
L
Y/G
Y/G
CAP2
G
G
G
CT1
G
Note：
：：
：This wire is BLUE in the outdoor unit using 208-230V power supply.
Heat Controller, Inc. Jackson, MI 49203
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