26
Wiring is subject
CONTROL BOX
DC
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RD |
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WH |
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OR |
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YL |
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BL |
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OUTDOOR POWER SUPPLY
SEE RATING PLATE
WIRING
to change. Always refer to the
DF2
H
BK V 
LVDR | D | BK |
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| DF1 | |
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C Y O O W2 R R DFT
BL OR WH RD
YL BK RD RD
COLOR CODE
BK | BLACK |
BL | BLUE |
BL/PK | BLUE/PINK STRIP |
BR | BROWN |
OR | ORANGE |
PU | PURPLE |
RD | RED |
WH | WHITE |
YL | YELLOW |
YL/PK | YELLOW/PINK STRIP |
WIRING CODE
FACTORY WIRING
L1 
T1
T2 
C
T2
T1
COMP
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DF1 |
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HVDR |
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DF2 |
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IO | A | U | X | |
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CM | A | |||
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T3
L2
C
FC
C L3
HIGH VOLTAGE! DISCONNECT ALL UNIT. MULTIPLE DO SO MAYCAUSE |
DIAGRAMS
wiring
BK | BK YL |
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BL |
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BL | T1 | T2 | T3 | RD |
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HIGH VOLTAGE 
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE 
CH
(IF USED)
POWER POWER PROPERTY |
diagram on the unit for the most up-
YL | L1 | L2 | L3 |
YL | BK | BK | C |
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PU
FC
YL BK | RD | BK RVC BK | ||
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T1 | T3 | EQUIPMENT GROUND | |
NOTE 2 | |||
BR | RD | ||
PU BK | DFT | ||
RD |
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MAIN |
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BR
FIELD WIRING
HIGH VOLTAGE 
LOW VOLTAGE
COMPONENT CODE
C | CONTACTOR |
CH | CRANKCASE HEATER |
CM | OUTDOOR FAN MOTOR |
COMP | COMPRESSOR |
DC | DEFROST CONTROL |
DFT | DEFROST THERMOSTAT |
FC | FAN CAPACITOR |
HVDR | HIGH VOLTAGE DEFROST RELAY |
IO | INTERNAL OVERLOAD |
LPS | LOW PRESSURE SWITCH |
LVDR | LOW VOLTAGE DEFROST RELAY |
LVJB | LOW VOLTAGE JUNCTION BOX |
RVC | REVERSING VALVE COIL |
R | DFT |
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| DFT | C | |
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R | LVDR | W2 |
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| RVC |
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| O | LPS | C |
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R |
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INDOOR POWER
SUPPLY
NOTES:
1.TO INDOOR UNIT LOW VOLTAGE TERMINAL BLOCK AND INDOOR THERMOSTAT.
2.USE COPPER CONDUCTORS ONLY.
BEFORE SERVICING OR INSTALLING SOURCES MAY BE PRESENT. FAILURE DAMAGE, PERSONAL INJURY OR |
AUX | T2 |
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IO | YL | LPS | YL |
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BK | BK |
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| CH |
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CM | (IF USED) |
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CONTROLS SHOWN WITH THERMOSTAT IN 'OFF' POSITION.
USE N.E.C. CLASS 2 WIRE
DEATH | THIS TO |
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