Gas Train Layout, 400-800 MBH. Greenheck Fan DGX Part #470655, Part #470655

Reference

Typical Gas Train Layout 400 – 800 MBH

Burner Differential

Pressure Sensor

Pilot Gas Pressure

Test Port

Pilot Solenoid

Pilot Regulator

High Gas Pressure

Switch (optional)

Burner Manual

Shut-Off Valve

Modulating

Valve

Low Gas Pressure

Switch (optional)

Manual Pilot

Shut-Off Valve

Burner Gas

Pressure Test Port

Safety Shut-Off Valves Regulator

Typical Gas Train Layout > 800 MBH

Burner Differential

Pressure Sensor

High Gas Pressure

Switch (optional)

Burner Manual

Shut-Off Valve

Modulating/Regulator

Valve

Pilot Gas Pressure

Test Port

Pilot Solenoid

Pilot Regulator

Low Gas Pressure

Switch (optional)

Manual Pilot

Shut-Off Valve

Burner Gas

Pressure Test Port

Safety Shut-Off Valves

DGX Industrial Space Heating 27

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