Johnson Controls G77 Series Installation Sheets Manual page 8

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