Roberts Gorden POP-ECA/PGP-ECA 015 to 0100 Gas Train Circuit for Dungs Gas Valves all models

COMBAT® CABINET HEATERS INSTALLATION, COMMISSIONING, OPERATION AND SERVICE MANUAL

Figure 15: Motor Starter (models 040 -100 and Thermal Overload (models 060 - 100)

Line Connections	Wire Connecting
	Overload Switch to Coil

Contactor

Load Connections

Thermal

Overload

Overload	Overload	Overload Scale	Overload
Reset Button	Connection	(motor current amps)	Adjusting Level

Figure 16: Gas Train Circuit for Dungs Gas Valves (all models)

Models 15 to 30 - All types of valve

Models 40 to 100 - All types of valve

To Burner

Regulator

Automatic

Burner

To Burner

Gas Valves

Automatic

Automatic

1

1

Flange

Union

Gas Valve &

Regulator

Gas Valve

2

TP3

TP2

2

TP3

TP1

TP2

Gas

TP1

Gas

T

T

T

Inlet

NOTE: Orifice plate

Inlet

1

Automatic

Automatic

NOTE: Orifice plate

fitted into union

1

Gas Valve &

Gas Valve

fitted into union

between valve and

Regulator

between valve and

burner where required.

burner for models

TP1 = Inlet Pressure

40/50, and burner flange

1 = Start Gas

TP2 = Pressure between Main Gas Valves

for models 60 and over.

2 = Main Gas	TP3 = Valve Outlet Pressure
	Burner Pressure TP on Burner

36