Reference, R - 1 – Greenheck DG / DGX Industrial Space Heating (464044 IOM) (Pre-2009) User Manual

Page 29

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background image

Reference

Typical Gas Train Layout 400 - 800 MBH

High Gas

Pressure Switch

(optional)

Low Gas

Pressure Switch

(optional)

Manual Pilot

Shut-off Valve

Pilot

Regulator

Pilot

Solenoid

Burner Gas

Pressure

Test Port

Burner Differential

Pressure Sensor

Pilot Gas Pressure

Test Port

Burner Manual

Shut-off Valve

Modulating

Valve

Safety Shut-off

Valves

Regulator

R - 1

Figure 30.

400-800 MBH Gas Train

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