31
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
DBG180*/ DBG240* 208-230/ 3 / 60
2 SPEED
WIRING DIAGRAMS
2
1
W1 TO W2 WIRE JUMPER.
5. FOR TWO STAGE OPERATION REMOVE
FALSE FLAME SENSED
OPEN LIMIT SWITCH
WITHOUT INDUCER ON
PRESSURE SWITCH CLOSED
OPEN
PRESSURE SWITCH
NORMAL OPERATION
3 BLINKS
6 BLINKS
4 BLINKS
5 BLINKS
OUTPUT DELAY
COMPRESSOR
OFF
ON
1 BLINK
2 BLINKS
STATUS LIGHT
SWITCH
OPEN AUX. LIMIT
IGNITION FAILURE
SWITCH
OPEN ROLLOUT
INTERNAL CONTROL
NO POWER OR
EQUIPMENT STATUS
PRESSURE SWITCH
CHECK
BAD SWITCH
MAIN LIMIT OPEN
STICKING GAS VALVE
ANTI-CYCLE TIMER
3 MIN. COMP.
PRESSURE SWITCH
CHECK
GAS PRESSURE
FLAME ROLLOUT
AUX. LIMIT OPEN
FLAME SENSOR
BAD SWITCH
GAS VALVE
GAS FLOW
REPLACE CONTROL
CHECK FUSE ON CONTROL
CHECK INPUT POWER
------
CHECK
HPS2
LPS2
IIC
9
11
12
8
6
3
ECON
10
PS
ALS
L1
4
5
F
RS
L2
5
4
7
8
6
9
1
2
3
TR
24V
SUPPLY VOLTAGE
208-240/3/60
L2
1
3
1
3
CC1
T3
COMP1
T2
F
CM1
T1
C
T2
VM
VENT MOTOR RELAY
VENT MOTOR
TRANSFORMER
TERMINAL BLOCK (24V SIGNAL)
ROLLOUT SWITCH
PRESSURE SWITCH
FEMALE PLUG/CONNECTOR
LIMIT SWITCH
LOW PRESSURE SWITCH
IGNITOR
INTEGRATED IGNITION CONTROL
INDOOR BLOWER RELAY
HIGH PRESSURE SWITCH
GAS VALVE
EQUIPMENT GROUND
FLAME SENSOR
FAN CAPACITOR
FUSE
EVAPORATOR MOTOR
COMPRESSOR CONTACTOR
CONDENSER MOTOR
COMPRESSOR
BLOWER CONTACTOR
AUXILLARY LIMIT SWITCH
VM
TR
TB1
RS
PS
PLF
LS
LPS
IGN
IIC
IBR
HPS
GV
GND
FS
FC
F
EM
CC
CM
COMP
BC
ALS
NOTES
2
(USE COPPER CONDUCTOR ONLY).
SIZE AND TYPE OF INSULATION AS ORIGINAL.
1. REPLACEMENT WIRE MUST BE THE SAME
3
ACCESSORY.
ATTACH FEMALE PLUG TO THE ECONOMIZER
COMPARTMENT. REMOVE MALE PLUG AND
TO BLOWER HOUSING IN RETURN AIR
2. ACCESSORY ECONOMIZER PLUG ADJACENT
4. USE COPPER CONDUCTORS ONLY.
USE NEC CLASS 2 WIRE.
4
3. L1 AND L2 ON IIC CONTROL IS 24V INPUT.
0140L03767-A
COMPONENT LEGEND
T1
TERMINAL BLOCK (L1)
TB2
2
FROM TERMINAL 3 TO TERMINAL 2 ON THE TRANSFORMER.
6. FOR 208V OPERATION MOVE BLACK WIRE
OF OVER CURRENT PROTECTION
SEE UNIT RATING PLATE FOR TYPE AND SIZE
PB
POWER DISTRUBTION BLOCK
CRANK CASE HEATER
CCH
CRANK CASE HEATER RELAY
CCHR
2
1
1
CCH1
CCH2
C
CM2
F
FC2
CCR
COMPRESSOR CONTACTOR RELAY
T2
CC2
T1
CC2
T2
COMP2
T3
CC2
FACTORY WIRING
THERMOSTAT
FIELD WIRING
HIGH VOLTAGE
LOW VOLTAGE
FIELD WIRING
LINE VOLTAGE
LOW VOLTAGE
HIGH VOLTAGE
WIRE CODE
BK
BLACK
BL
BLUE
BR
BROWN
GR
GREEN
OR
ORANGE
PK
PINK
PU
PURPLE
RD
RED
WH
WHITE
YL
YELLOW
YL/PK YELLOW WITH
PINK STRIP
BL/PK BLUE WITH
PINK STRIP
Y1
TB1
W
G
W
PK
RD
Y1
R
OR
BL
GR
C
2 STAGE COOLING
WH
O
STAT
O
Y2
C
G
R
YL
W1 TO W2 WIRE JUMPER.
5. FOR TWO STAGE OPERATION REMOVE
INSTALLER/SERVICEMAN
TROUBLESHOOTING THIS APPLIANCE. STATUS LIGHT CODES ARE AS FOLLOWS:
THE STATUS LIGHT ON THE FURNACE CONTROL MAY BE USED AS A GUIDE TO
CCR2
7
NOTE 3
FS
GV
CCR1
IGN
FS
TB1
L1
L3
FC1
F
CC1
C
CC1
NOTES
2
(USE COPPER CONDUCTOR ONLY).
SIZE AND TYPE OF INSULATION AS ORIGINAL.
1. REPLACEMENT WIRE MUST BE THE SAME
3
ACCESSORY.
ATTACH FEMALE PLUG TO THE ECONOMIZER
COMPARTMENT. REMOVE MALE PLUG AND
TO BLOWER HOUSING IN RETURN AIR
2. ACCESSORY ECONOMIZER PLUG ADJACENT
4. USE COPPER CONDUCTORS ONLY.
USE NEC CLASS 2 WIRE.
4
3. L1 AND L2 ON IIC CONTROL IS 24V INPUT.
T3
208-240v
FROM TERMINAL 3 TO TERMINAL 2 ON THE TRANSFORMER.
6. FOR 208V OPERATION MOVE BLACK WIRE
2
CCHR2
6
4
SEE NOTE 7
T3
T1
Y1
TB1
W
G
PK
RD
OR
BL
GR
WH
O
STAT
Y2
C
R
YL
C
H
2
4
2
4
HPS1
LPS1
D1
VMR
4
6
CC1
CC2
CCR2
CCR1
FC3
F
CM3
C
R
C
WH
G
O
W1
Y2
S1
RD
S2
W2
Y1
NOTE 5
LS
Y2
TO THERMOSTAT
OPTIONAL
VMR
BLOWER RELAY
BR
CCHR1
CCHR2
CIRCUIT BREAKER
CB
EM
HIGH SPEED
LOW SPEED
BC2
CB2
CB1
BC1
CB2
BC2
BC2
CB2
BC1
CB1
BC1
CB1
BC1
BC2
2
5
4
BR1
BR1
BR2
2
5
4
BR2
VMR
1
3
1
3
1
3
1
3
SEE
NOTE 2
CCHR1
6
4
