Service Manual

WIRING DIAGRAMS
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
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.
RD
Y
PU PURPLE
CONTROL
H
C
RD
0-RV
YL
6
OR ORANGE
S
R-PS1
TB1
4
L
Y
BL
36
O
3
H
1
N
RD
WH
LOW VOLTAGE
RD
O
C
BK
BK
OPTIONAL
HIGH VOLTAGE
L2
CM
2
RCCF
T1
G
L2
R
YL
DC
PU
5
3
L
YL
WH
R
C
E
BL
RD
RD
OR
HPS
5
GR
FIELD
W
IR
IN
G
SEE NOTE 7
YL/PK YELLOW WITH PINK STRIP
BR BROWN
SEE NOTE 2
BL/PK BLUE WITH PINK STRIP
R
YL
YL
GND
CONTACTOR
COMPRESSOR CONTACTOR RELAY
CRANKCASE HEATER
CRANKCASE HEATER SWITCH
CONDENSER MOTOR
COMPRESSOR
DEFROST CONTROL
DEFROST THERMOSTAT
ECONOMIZER
EVAPORATOR MOTOR
EQUIPMENT GROUND
HIGH PRESSURE SWITCH
HIGH VOLTAGE DEFROST RELAY
LOW PRESSURE SWITCH
LOW VOLTAGE DEFROST RELAY
LOW VOLTAGE JUNCTION BOX
FEMALE PLUG / CONNECTOR
REVERSING VALVE COIL
RUN CAPACITOR FOR
COMPRESSOR AND FAN
TERMINAL BLOCK (24V SIGNAL)
TRANSFORMER
G
COMPONENT
LE
GEND
BL/PK
YL
1
BK
BL
1
F
1
4
LPS
WH
Y
YL
BL
PS2
RVC
7
T
PK PINK
COMP
SEE UNIT RATING PLATE FOR TYPE AND SIZE
BL
D2
T
A
T2
BK
HIGH VOLTAGE
GR
5
YL
3
RCCF
C
CCR
CH
CHS
CM
COMP
DC
DFT
ECON
EM
GND
HPS
HVDR
LPS
LVDR
LVJB
PLF
RVC
RCCF
TB1
TR
C-RV
L1
C
BL
1
LOW VOLTAGE
BK
F
BL
TB1
T1
L1
CM
W
LVDR
G
GR
208
R
WH
CHS
4
BK BLACK
8
TR
1
5
DF1
2
BL BLUE
FACTOR
Y
W
IR
IN
G
BK
O-RV
2
0
8
-
2
4
0
WH WHITE
PU
RD
CH
LVJB
OR
YL YELLOW
PU
6
0
C
R-DFT
BK
PU
4
PU
RD
T1
3
EM
5
9
OR
CH
DFT
0
W1
SEE
NOTE 6
P
L
F
1
RD RED
4
DFT
BR
BK
BK
CNT
TR
0
H
R
O
C
2
2
C
3
SUPPLY VOLTAGE
Y1
BL
SEE
NOTE 7
BOX
GR
GR GREEN
R
D
GR
G
R
240
C
/
T3
24V
OR
BL
CCR
C
6
WH
PLF2
C
EM
WH
SEE
NOTE 5
REPLACE
JUMPER WITH
SMOKE/FIRE
DETECTOR
5
RD
T2
L
P
S
PLF 1
R
BK
C
2
R-PS1
S
N
HPS
BL
LINE VOLTAGE
1
2
C
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
WHITE AND YELLOW LEADS FROM "3" AND "4" 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. USE COPPER CONDUCTORS ONLY
++
USE N.E.C. CLASS 2 W IRE
5. ECONOMIZER PLUG LOCATED IN THE RETURN
AIR COMPARTMENT. REMOVE MALE PLUG AND
ATTACH FEMALE PLUG TO ECONOMIZER
ACCESSORY.
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.
/
PLF 2
YL/PK
COMP
3
24V
SEE
NOTE 6
YL/PK
WH
C-RV
R
2
0
8
-
2
4
0
/
1
/
6
0
0
1
4
0
G
0
4
4
4
7
-
A
DC
1
B
K
RD
R-DFT
BL
RD
B
K
BK
Y2
HVDR
W2
6
HVDR
C
R
D
C
N
T
OF OVER CURRENT PROTECTION
208-240V
208-240/1/60
PS2
PU
DF1
T
W
IR
E
CO
D
E
BL
DF2
SEE NOTE 4
BL/PK
EM
1
4
C
S
E
E
N
O
T
E
3
P
L
F
1
YL
2
BR
BR
M
C
H
S
T2
C
OR
DFT
5
RVC
WH
DFT
BK
PU
WH
W
NOTE 5
NOTE 6
9
7
8
RD
87
9
R
O
GCY1
W1
W2
Y2
S2
S1
R
O
GCY1
W1
THERMOSTAT
W2
S2
S1
S2
S1
RD
BR
PK
EQUIPMENT GROUND
FIELD GROUND
FIELD SPLICE
SWITCH (TEMP)
IGNITER
SWITCH (PRESS.)
OVERCURRENT
PROT. DEVICE
JUNCTION
TERMINAL
INTERNAL TO
INTEGRATED CONTROL
PLUG CONNECTION
++
++
OPTIONAL
LOW VOLTAGE
SEE NOTE 2
12
4
3
CSR
YL
BR
BR
PU
YL
BR
PU
RD
RD
PU
BK
BK
PU
YL
PU
BL
SOL
YL
BL
BL
R
D
1
2
4
3
CSR
BL
BL
BL
BL
YL
PU
BL
RD
PK
SOL
GPH1660M41
63