CONNECTIONS
–
ELECTRICAL
37
WIRING DIAGRAM
Active Low Voltage
Active Return Low Voltage
Neutral Low Voltage
Capacitor Low Voltage
Earth Low Voltage
Thermistor / LED Display Extra Low Voltage
LEGEND
PUMP PLUG
COMPRESSOR
PLUG
FAN PLUG
CONTROL BOARD ENCLOSURE
REMOTE LED DISPLAY
Remote LED
Display
BLACK
BROWN
BLUE
BLUE
BLUE
BLUE
BLUE
BLACK
BLACK
BLACK
BLACK
BLACK
RED
GREEN/YELLOW
RED
WHITE
RED
GREEN/YELLOW
GREEN/YELLOW
BL
A
CK
G
R
EE
N
/Y
EL
LO
W
BR
O
W
N
BL
A
CK
LI
G
H
T
R
ED
BL
U
E
LIGHT RED
G
R
EE
N
/Y
EL
LO
W
RED
BLUE
BLACK
GREEN/YELLOW
GREEN/YELLOW
M
F
M
F
M
F
M
F
M
F
1
3
4
2
1
1
4
3
4
2
1
2
3
3
2
WIRING DIAGRAM - HEAT PUMP - 554325/554410 WITH ST THERMOSTAT
MAIN POWER CONNECTION
BRACKET
PUMP
FAN
S
C
R
T0 - Tank Thermistor
T1 - Evaporator Thermistor
T2 - Compressor Thermistor
COM
NC
NO
COMP-A
COMP-N
FAN-N
FAN-A
PUMP-N
PUMP-A
NEUTRAL
EARTH
THERMOSTAT
HEATER
ELEMENT
COMPRESSOR
A
E
N
POWER PLUG
FROM TANK
T0 THERMISTOR
PLUG FROM TANK
COMPRESSOR
CAPACITOR
FAN
CAPACITOR
TANK THERMISTOR (T0)
COMPRESSOR THERMISTOR (T2)
EVAPORATOR THERMISTOR (T1)
CABLING
INSIDE
TANK
JACKET
SK6887 A3
REV CD 05/10
CONTROL
BOARD
Electrical Circuit for RheemPlus Heat Pump
–
Robertshaw “ST” Thermostat
