Greenheck DG / DGX with Pilot Ignition (463555 IOM) (Pre-2008) - Manual (Page 46)

46
Reference
Reference
Typical Gas Train Layout with Modulating Valve (Pilot Ignition)
Typical Gas Train Layout with Modulating Regulator (Pilot Ignition)
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
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/Regulator
Valve
Safety Shut-off
Valves