35
DP3GM[42/48]***41A* 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.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
0140G04507-B
INSTALLER/SERVICEMAN
-
GAS PRESSURE
FLAME ROLLOUT
AUX. LIMIT OPEN
FLAME SENSOR
BAD SWITCH
GAS VALVE
CHECK FUSE ON CONTROL
CHECK INPUT POWER
REPLACE CONTROL
GAS FLOW
ANTI-CYCLE TIMER
MAIN LIMIT OPEN
STICKING GAS VALVE
BAD SWITCH
3 MIN. COMP.
PRESSURE SWITCH
PRESSURE SWITCH
CHECK
CHECK
OFF
ON
OR
OR
1 BLINK
3 BLINKS
6 BLINKS
2 BLINKS
4 BLINKS
5 BLINKS
FALSE FLAME SENSED
OUTPUT DELAY
OPEN LIMIT SWITCH
COMPRESSOR
WITHOUT INDUCER ON
PRESSURE SWITCH CLOSED
PRESSURE SWITCH
OPEN AUX. LIMIT
OPEN ROLLOUT
SWITCH
OPEN
SWITCH
IGNITION FAILURE
NORMAL OPERATION
NO POWER OR
INTERNAL CONTROL
FAULT
STATUS LIGHT
EQUIP. STATUS
CHECK
TROUBLESHOOTING THIS APPLIANCE. STATUS LIGHT CODES ARE AS FOLLOWS:
THE STATUS LIGHT ON THE FURNACE CONTROL MAY BE USED AS A GUIDE TO
RD
PU
BK
BR
PU
BK
CM
CONNECTED AT L1, L2
BK
BK
NOTE 3
CH OPTIONAL
R
S
COMP
C
RD
RD
BL
WH
RD
PU
OR RD BL
YL
H
C
F
RD
WH
WH
YL
YL
SEE
NOTE 7
YL
WH
BL
BL
BL
BR
BR
RD
OR
BL
BL
BL
BL
RD
RD
RD
RD
PU
WH
OR
RD
YL
YL
Y/Y2
IGN
FS
RCCF
PU
BL
BR
PU
RD
RD
YL
YL
RS
PU
PU
BL
VM
PU
L2
UN
USED
HEAT
FS
L1
DI
1
3
6
5
2
4
10
7
9
12
8
11
150
120
ECO
N
135
P1
F1
FU
SE 3
AM
P M
AX
P3
GR
RD
YL
WH
YL
YL
CO
M
PRE
SS
O
R
CO
O
L
SC
REW
RE
Q
UIRE
D
P2
T1
M
O
UNT
C22
T2
BR
EAK
F
O
R T
W
O
ST
AG
E
SPEED
-U
P
GR
WH
WH GR
BL
RD
C RD
TO THERMOSTAT
ALS
PS
GV
MV
(ALT.)
HONEYWELL
GAS VALVE
GV
MV
GAS VALVE
W. R.
RS
IIC
HPS
YL
LS
L1
L2
CC
T1
T2
BL
RD
BL
BK
PU
BK
YL
RD
GND
POWER SUPPLY
208-230/1/60
CH OPTIONAL
SEE NOTE 3
BK
BK
1
C
24V
BL
RD
2
TR
3
240
3
4
2 1
RD
VMR
BK
PU
PU
BL
PU
YL
208
NOTE 2
SEE NOTE 5
RD YL
BK
BK
OPTIONAL LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIELD INSTALLED CONTROL
FIELD INSTALLED POWER
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)
HEATING SPEED (WHITE WIRE)
T4 - LOW SPEED T1 - LOW SPEED
T5 - HIGH SPEED T2 - MED. SPEED
T3 - HIGH SPEED
5. USE COOPER CONDUCTORS ONLY
COMPONENT LEGEND
ALS AUXILLARY LIMIT SWITCH
COMP COMPRESSOR
CM CONDENSER MOTOR
C CONTACTOR
CH CRANKCASE HEATER
EM EVAPORATOR MOTOR
F FUSE
FS FLAME SENSOR
GND EQUIPMENT GROUND
GV GAS VALVE
HPS HIGH PRESSURE SWITCH
IIC INTEGRATED IGNITION CONTROL
IGN IGNITOR
LS LIMIT SWITCH
PS PRESSURE SWITCH
RCCF RUN CAPACITOR FOR COMPRESSOR/FAN
RS ROLLOUT SWITCH
TR TRANSFORMER
VM VENT MOTOR
VMR VENT MOTOR RELAY
PU - PURPLE
YL - YELLOW
WH - WHITE
RD - RED
BL - BLUE
BR - BROWN
GR - GREEN
OR - ORANGE
PK - PINK
WIRE CODE
BK - BLACK
LOW VOLTAGE
WIRING
HIGH VOLTAGE
USE NEC CLASS 2 WIRE.
208-230/1/60
BL
YL
RD
GR
WH
NO ECONOMIZER
W
Y
C
R
G
THERMOSTAT FIELD WIRING
BL/PK - BLUE/PINK
YL
BL
24 V
H
C
EM
R
G
W
TO THERMOSTAT
11
Y/Y2
C
4
9
7
8
10
12
6
5
3
FS
F
L1
PS
ALS
RS
LS
GV
FS
IGN
VM
L2
SUPPLY VOLTAGE
1
C COMP
S
C
T1
R
L1
C
CM
208-230/1/60
T2
CH
2
L2
NOTE 3
TR
C
D1
C
1
3
EM
VMR
VMR
2
T4
T3
L
N
3
2
1
IIC
T5
T1
T2
C
RCCF
F
H
NOTE 2
4
HPS
NOTE 4
C
T1T2T3T4T5
L G N
EM
WH
YL
GR
PU
BL
BK
YL
YL
2
