74
KUHL+
ELECTRONIC CONTROL
HEAT PUMP WITH ELECTRIC HEAT MODELS
YS12M33A, YM18M34A
SCHEMATIC
92170004
ELECTRIC HEAT
ELECTRIC HEAT
COMPRESSOR
MEDIUM
HIGH
LOW
R
S
REVERSING CYCLE
R
S
C
ELECTRONIC CONTROL
EH1
2
3
L1
L1
F3
TF
F2
F1
HTR
EH2
1
6
7
5
U
S
E
R
I
N
T
E
R
F
A
C
E
COMP
HL
RV
8
L2
R
COMPRESSOR
BLACK
S
OLP
BLUE
RED
C
BLACK
COIL, SOLENOID
BLUE
UI HOLDER ELECTRONICS ASY
B
L
U
E
BROWN
MOTOR
BLACK
ORANGE
BLACK
CAPACITOR
GREEN
TO CHASSIS
WHITE
BRACKET
MOTOR MOUNT
TO INNERWALL/
G
R
E
E
N
CAPACITOR
C
O
M
H
E
R
M
RED
BLUE
RED
BRACKET
WHITE
G
R
E
E
N
WHITE
O
R
G
R
E
E
N
/Y
E
L
L
O
W
TO CAPACITOR
SUPPLY CORD
F
A
N
BLACK
WIRING DIAGRAM
RED
ORANGE
HEATER
(230/208 V)
L2
NEUTRAL (115 V)
CAP
COM
HERM
COMPRESSOR
OLP
RV
OLP
FAN MTR
FAN
COM
CAP
04
REV.PART NO.
L E G E N D
- OVERLOAD PROTECTOR
- COMPRESSOR
OLP
COMPR
MTR
- FAN MOTOR
UI
TF
- USER INTERFACE
- THERMAL FUSE
CAP
- CAPACITOR
- HEATER LIMIT FUSE
HL
- REVERSING VALVE
- INSULATOR
- HEATER ELEMENTHTR
- THERMISTER
- GROUNDED LEAD SYMBOL
- COMBINATION TERMINAL
T
RV
RELAY
FAN 4
RELAY
FAN 3
RELAY
FAN 2
RELAY
FAN 1
RELAY
HEAT
RELAY
HEAT
RELAY
COMP
RELAY
L1
L2 or ACN
ID COIL SENSOR
OD COIL SENSOR
OD AIR SENSOR
AMBIENT
AIR SENSOR
DCHRG
AIR
SENSOR
TO
DISPLAY