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L1
SUPPLY VOLTAGE
208-230/3/60
T1
C
T2
1
T1 COMP
T3
L
N
EM
NOTE 2
3
NOTE 7
L1
24 V
FS
F
C
H
D1
4
LS
5
ALS
IIC
3
6
PS
8
ECON
9
7
10
12
11
R
G
W
Y1
TO THERMOSTAT
INSTALLER/SERVICEMAN
THE STATUS LIGHT ON THE FURNACE CONTROL MAY BE USED AS A GUIDE TO
TROUBLESHOOTING THIS APPLIANCE. STATUS LIGHT CODES ARE AS FOLLOWS:
EQUIP. STATUS
STATUS LIGHT
ON
NORMAL OPERATION
NO POWER OR
OFF
INTERNAL CONTROL
FAULT
IGNITION FAILURE
OR
OPEN ROLLOUT
1 BLINK
SWITCH
OR
OPEN AUX. LIMIT
SWITCH
PRESSURE SWITCH
2 BLINKS
OPEN
PRESSURE SWITCH CLOSED
3 BLINKS
WITHOUT INDUCER ON
4 BLINKS
OPEN LIMIT SWITCH
5 BLINKS
FALSE FLAME SENSED
COMPRESSOR
6 BLINKS
OUTPUT DELAY
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
DP14GM48***43** WIRING DIAGRAM
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.
L2
CH
NOTE 3
C
T2
2
FC
C
CM
F
C
T3
C
IGN
VMR
4
2
VM
2
1
TR
NOTE 7
L2
IIC
FS
T5
T4
EM
C
T3
T
2
T
1
1
3
VMR
RS
GV
C
HPS
NOTE
9 8
7
5
PLF
6
5
Y/Y2
C
3
2
CHECK
-
CHECK INPUT POWER
CHECK FUSE ON CONTROL
REPLACE CONTROL
GAS FLOW
GAS PRESSURE
GAS VALVE
FLAME SENSOR
FLAME ROLLOUT
BAD SWITCH
AUX. LIMIT OPEN
CHECK
PRESSURE SWITCH
CHECK
PRESSURE SWITCH
MAIN LIMIT OPEN
BAD SWITCH
STICKING GAS VALVE
3 MIN. COMP.
ANTI-CYCLE TIMER
L3
COMPONENT LEGEND
ALS
AUXILLARY LIMIT SWITCH
COMP
COMPRESSOR
CM
CONDENSER MOTOR
C
CONTACTOR
CH
CRANKCASE HEATER
EM
EVAPORATOR MOTOR
F
FUSE
FC
FAN CAPACITOR
FS
FLAME SENSOR
GND
EQUIPMENT GROUND
GV
GAS VALVE
IIC
INTEGRATED IGNITION CONTROL
IGN
IGNITOR
LS
LIMIT SWITCH
PLF
FEMALE PLUG/CONNECTOR
PS
PRESSURE SWITCH
RS
ROLLOUT SWITCH
TR
TRANSFORMER
VM
VENT MOTOR
VMR
VENT MOTOR RELAY
HPS
HIGH PRESSURE SWITCH
NOTES :
1. REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF
INSULATION AS ORIGINAL.(USE COPPER CONDUCTOR ONLY).
2. FOR 208 VOLT TRANSFORMER OPERATION MOVE BLACK WIRE
FROM TERMINAL 3 TO TERMINAL 2 ON TRANSFORMER.
3. CRANKCASE HEATER NOT SUPPLIED ON ALL UNITS.
4. FOR DIFFERENT THAN FACTORY SPEED TAP. CHANGE COOLING
SPEED AT MOTOR T4 AND T5 TERMINALS. CHANGE HEATING
SPEED AT MOTOR T1, T2 AND T3 TERMINALS.
COOLING SPEED (YELLOW WIRE)
T4 - LOW SPEED
T5 - HIGH SPEED
5. ACCESSORY ECONOMIZER PLUG ADJACENT TO BLOWER HOUSING
IN RETURN AIR COMPARMENT.
6. USE COOPER CONDUCTORS ONLY
USE NEC CLASS 2 WIRE.
4
1
NO ECONOMIZER
WH
GR
RD
YL
BL
40
WIRING
HIGH VOLTAGE
LOW VOLTAGE
FIELD INSTALLED POWER
FIELD INSTALLED CONTROL
OPTIONAL HIGH VOLTAGE
OPTIONAL LOW VOLTAGE
WIRE CODE
BK - BLACK
BL - BLUE
BR - BROWN
GR - GREEN
OR - ORANGE
PK - PINK
PU - PURPLE
RD - RED
WH - WHITE
YL - YELLOW
BL/PK - BLUE/PINK
HEATING SPEED (WHITE WIRE)
T1 - LOW SPEED
T2 - MED. SPEED
T3 - HIGH SPEED
THERMOSTAT FIELD WIRING
2 STAGE COOLING WITH ECONOMIZER
WH
W
GR
G
RD
R
PU
Y
YL
C
BL
208-230/3/60
W
G
R
Y1
Y2
C
0140G04454-A
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