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Reference – Greenheck TSU Base Unit Manual (464441) User Manual

Page 33

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Make-Up Air Unit

33

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Reference

Burner Differential

Pressure Sensor

High Gas Pressure

Switch (optional)

Low Gas Pressure

Switch (optional)

Manual Pilot

Shut-Off Valve

Pilot Gas Pressure

Test Port

Pilot Solenoid

Pilot Regulator

Burner Gas

Pressure Test Port

Burner Manual

Shut-Off Valve

Modulating

Valve

Safety Shut-Off Valves

Regulator

Airflow

Typical Gas Train Layout with Modulating Valve (Pilot Ignition)

Typical Gas Train Layout with Modulating Regulator (Pilot Ignition)

Burner Differential

Pressure Sensor

High Gas Pressure

Switch (optional)

Low Gas Pressure

Switch (optional)

Manual Pilot

Shut-Off Valve

Pilot Solenoid

Pilot Regulator

Burner Gas

Pressure Test Port

Burner Manual

Shut-Off Valve

Safety Shut-Off Valves

Pilot Gas Pressure

Test Port

Modulating/Regulator

Valve

Airflow