Johnson Controls G775 - Page 9

G

G77x Intermittent Pilot Ignition Controls Technical Bulletin
9
Flame Sensor
Thermostat
Vent Damper System
Transformer
PLUG
5
24 V
LED
THS 2
PV 1
MV 3
SENSE 4
GROUND
Ignition Control
Limits in Thermostat
Line Only
Power
Supply
Vent Damper
Wiring Harness
Pilot Burner
Assembly
Main Burner
Ground
Pilot
Gas Supply
Pilot
Valve
Main
Valve
Figure 5: Wiring Diagram for Separate Spark/Sense
with Vent Damper
Flame Sensor
Thermostat
Transformer
PLUG
5
24 V
LED
THS 2
PV 1
MV 3
SENSE 4
GROUND
Ignition Control
Pilot
Valve
Main
Valve
Limits in Thermostat
Line Only
Power
Supply
Main Burner
Ground
Pilot
Gas Supply
Pilot Burner
Assembly
Figure 6: Wiring Diagram for Separate Spark/Sense
without Vent Damper
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