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035-16328-002 Rev. C (0902)
WIRING DIAGRAMS
BLOWER
MOTOR
BLK
BLK
MANUAL RESET
LIMIT SWITCH
WHT
RED
115 VAC
W
R
WALL
THERMOSTAT
Wiring Diagram for DGPH056, DGPH070, DGPH077
FIGURE 19 :
NOTE: In order to provide proper ventilation control when using DGPH model furnaces with Coleman Blend Air ventilation sys-
tems, it is required that a 4-wire wall thermostat and Blower Relay Kit 7900-7761 be installed.
14
1
2
3
ORG
4
5
6
7
8
9
WHT
RED
3 AMP FUSE
WHT
NEU.
LI
BLK
GND.
SCREW
TO EARTH GND.
.
GND
SCREW
TRANSFORMER
LOAD
24V SEC.
120V PRI.
ORG
LINE
ORG
BLK
FAN
SWITCH
GRY
AUTO
RESET
LIMIT
SWITCH
SYSTEM
GAS
SWITCH
CONTROL
1
2
3
Unitary Products Group
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