Vulcan-Hart VL2GAS Gas Combination Control Valve, Pilot And Thermocouple Assembly Gas Models

Models: VL2GPS VL3GPS VL3GSS VL2GSS VL2GAS VL3GAS VL2GMS VL3GMS

1 88
Download 88 pages 1.61 Kb
Page 19
Image 19
PILOT AND THERMOCOUPLE ASSEMBLY (GAS MODELS)

VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTS

BOILER FILL AND COLD WATER CONDENSER SOLENOID VALVES

WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AT THE MAIN CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

1.Turn off the water supply to the steamer.

2.Open the cabinet base doors and remove the two screws at the top of the boiler control box and allow cover to drop down. Both solenoid valves are located side by side near the front of the boiler control box with the boiler fill on the right and the cold water condenser to the left.

3.Disconnect the power lead wires from the solenoid valve being serviced.

4.Disconnect the water lines for the valve being serviced and remove the valve.

5.Reverse procedure to install.

PILOT AND THERMOCOUPLE ASSEMBLY (GAS MODELS)

WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AT THE MAIN CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

WARNING: SHUT OFF THE GAS BEFORE SERVICING THE UNIT.

WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH A SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME.

1.Open the cabinet doors to access the pilot and thermocouple assembly. The assembly is located to the right of the center burner and half way back from the front.

2.Disconnect thermocouple and pilot gas supply tubing from the combination control valve.

3.Remove the two screws holding the pilot to its bracket.

4.Replace the thermocouple or pilot assembly and check for proper operation.

GAS COMBINATION CONTROL

VALVE

WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AT THE MAIN CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

WARNING: SHUT OFF THE GAS SUPPLY BEFORE SERVICING THE UNIT.

WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH A SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME.

NOTE: Gas combination control valves are not serviceable and should not be disassembled. Once the problem has been isolated to this control, replace it. Do not attempt to repair the assembly.

1.Open the cabinet base doors and remove the two screws at the top of the boiler control box and allow cover to drop down.

2.Disconnect electrical supply wires and conduit running to the combination control valve.

3.Disconnect the thermocouple lead (if applicable), pilot gas supply tube from control and pipe connections on each side of the control.

4.Reverse procedure to install.

5.Set manifold pressure as outlined under “GAS MANIFOLD PRESSURE ADJUSTMENT” in

“SERVICE PROCEDURES AND ADJUSTMENTS”.

6.Check for proper operation.

Page 19 of 88

Page 19
Image 19
Vulcan-Hart VL2GAS, VL3GMS, VL2GMS, VL3GAS, VL2GSS Gas Combination Control Valve, Pilot And Thermocouple Assembly Gas Models