Air Makeup Unit Technical Training Manual

Section 2

Incoming Gas Pressure Test Port ¼” threaded cap

Pilot Gas Solenoid Turns gas on/off to the pilot

High Gas Pressure Switch Monitors fuel pressure entering the burner.

Pilot Gas Regulator Reduces incoming gas pressure for proper pilot size

Main Gas Inlet 2 lbs (56”w.c.) Typical fuel pressure

Burner Manifold Pressure Test Port ¼” threaded cap

Gas Actuator Controls gas flow to burner.

Primary Gas Valves Turns gas on/off

Main Gas Regulator Controls gas pressure to burner during main flame.

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