Service Manual

48
WIRING DIAGRAMS
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
*PH1460M41A*
2
3
SEE NOTE 2
SEE NOTE 3
EM
TR
208-230
208-230/1/60
SUPPLY VOLTAGE
C
COMP
C
S.A
S
T1
R
L1
DF1
C
H
F
RCCF
CM
HVDR
T2
C
DF2
L2
1
L
3
1
2
R W2 O
W1 Y1
G C
EM
1
C
CSR
SEE NOTE 6
THERMOSTAT
N
G
2
3
CHS
CH
Y2
C
SOL
HPS
24V
DC
DFT
Y
C
R
RVC
LPS
CNT
R-PS1 PS2
R
W
O
R-DFT
O-RV
C-RV
DFT
2 POLE ONLY
SEE NOTE 7
SEE NOTE 4
4
5
6
PLF
SEE NOTE 2
208-230/1/60 0140G03223-B
41
PLF-H
5
6
2
3
7
8
9
BL
BR
WH
GR
BK
PU
YL
BL
WH
C L G N
1
2
3
EM
4
5
GR
10
11
12
7
8
9
4
5
6
3
2
1
PLM-B
SEE NOTE 2
BL
GR YL
WH
NOTES
:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE INSULATION AS
ORIGINAL (AT LEAST 105C) USE COPPER CONDUCTOR ONLY.
2. TO CHANGE EVAPORATOR MOTOR SPEED MOVE YELLOW AND WHITE
LEADS FROM EM"2" AND "3" TO "4" AND "5". IF BOTH LEADS ARE
ENERGIZED, THE HIGHER SPEED SETTING IS USED.
3 FOR 208 VOLT TRANSFORMER OPERATION MOVE BLACK WIRE
FROM TERMINAL 3 TO TERMINAL 2 ON TRANSFORMER.
4. START ASSIST FACTORY EQUIPPED WHEN REQUIRED
5. USE COPPER CONDUCTORS ONLY
++ USE N.E.C. CLASS 2 WIRE
6. CRANKCASE HEATER AND CRANKCASE HEATER SWITCH FACTORY
EQUIPPED WHEN REQUIRED.
7. DOUBLE POLE CONTACTOR SHOWN. SINGLE POLE CONTACTOR
COULD BE FACTORY EQUIPPED AS AN ALTERNATE CONFIGURATION.
SEE UNIT RATING PLATE FOR TYPE AND SIZE
OF OVER CURRENT PROTECTION
COMPO
NENT LEGEND
C CONTACTOR
CCR COMPRESSOR CONTACTOR RELAY
CH CRANKCASE HEATER
CHS CRANKCASE HEATER SWITCH
CM CONDENSER MOTOR
COMP COMPRESSOR
CSR COMPRESSOR SOLENOID RELAY
DC DEFROST CONTROL
DFT DEFROST THERMOSTAT
EM EVAPORATOR MOTOR
GND EQUIPMENT GROUND
HPS HIGH PRESSURE SWITCH
HVDR HIGH VOLTAGE DEFROST RELAY
LPS LOW PRESSURE SWITCH
LVDR LOW VOLTAGE DEFROST RELAY
LVJB LOW VOLTAGE JUNCTION BOX
LVTB LOW VOLTAGE TERMINAL BLOCK
PLF-C FEMALE PLUG/CONNECTOR - CONTROL
PLF-H FEMALE PLUG/CONNECTOR - HEAT KIT
PLF-P FEMALE PLUG/CONNECTOR - PESSURE SWITCH
PLM-B MALE PLUG/CONNECTOR - BLOWER
PLM-P MALE PLUG/CONNECTOR - PRESSURE SWITCH
RVC REVERSING VALVE COIL
RCCF RUN CAPACITOR FOR COMPRESSOR AND FAN
SA START ASSIST
TR TRANSFORMER
WIRE CO
DE
BK BLACK
BL BLUE
BR BROWN
GR GREEN
OR ORANGE
PU PURPLE
RD RED
WH WHITE
YL YELLOW
FA
CTORY
WIRING
LINE VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH
VOLTAGE
FIELD WIRING
HIGH VOLTAGE
LOW VOLTAGE
3
CONTROL
BOX
240
2
24V
208
TR
C
1
PU
WH
BR
BL
R
O
Y2
W2
W1
C
Y1
T2
T1
L1
GND
C
L2
BK
RD
RD
BK
BK
LVJB
RCCF
RD
SA
H
C
F
PU
YL
BK
BK
RVC
BKCOMP
S
C
R
CM
BR
PU
BK
YL
LPS
DFT
RD
YL
BK
YL
BL
HPS
BR
PU
BL
G
YL
YL
BL
SOL
YL
BL
CSR
4
LVTB
OR
WH
WH
BL
PK
1
2
3
YL
YL
YL
YL
BK
GR
BK
PU
10
11
12
7
8
9
4
5
6
3
2
1
BR
GR
GR
1
23
65
4
98
7
12
11
10
PU
PU
BR
BR
YL
PLM-P
GR
PU
BK
1
2
3
6
54
98
7
12
11
10
BR
BR
BR
YL
YL
BK
BK
PU
PU
PU
BK
PU
RD
RD
RD
BR
YL
BL
PU
BL
BL
RD
BL
BL
BL
BL
WH
WH
WH
PLF-C
PU
PU
PK
BL
BK
YL
PS2
C
C
R
C
Y
Y
R-PS1
R-DFT
DFT
0
CNT
CCR
HVDR
LVDR
W
C-RV
0-RV
0
DF2
DF1
R
DC
PU
BK
OR
RD
SEE NOTE 5
YL
SEE NOTE 7
SEE
NOTE
3
208/230/1/60
THERMOSTAT ++
SEE
NOTE 4
CH
RD
CHS
GR
BK P
U
RD
BK
PLF-P
BK
SEE NOTE 6