Vulcan-Hart VL2GMS, VL3GMS Water Level Gauge Assembly, Cycling And High Limit Pressure Switches

Models: VL2GPS VL3GPS VL3GSS VL2GSS VL2GAS VL3GAS VL2GMS VL3GMS

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Solid State

VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTS

WATER LEVEL CONTROLS - LOW LEVEL CUT OFF AND DIFFERENTIAL

4.Slide the glass tube upwards until the bottom of the tube is clear of the fitting and lift it out.

5.When reinstalling the tube use new sealing washers. Do not over tighten the packing nuts; it could break the gauge glass.

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.

Solid State

1.Open the cabinet base doors.

2.Remove the two screws at the top of the boiler control box and allow cover to drop down.

3.Water level control is mounted on the back side of cover.

4.Disconnect lead wires from the board and remove the water level control.

5.Reverse procedure to install and check for proper operation.

Electro Mechanical

1.Open the cabinet base doors.

2.Remove the two screws from the left and right side of the water level control box and lift cover off.

3.Disconnect lead wires from the control being replaced and remove.

4.Reverse procedure to install and check for proper operation.

WATER LEVEL GAUGE

ASSEMBLY

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.Open the cabinet base doors and remove the right side panel.

2.Close the valve at the top and at the bottom of the gauge assembly.

3.Unscrew the packing nuts at the top and bottom of the glass tube.

6.Open the top and bottom valves and check for proper operation.

CYCLING AND HIGH LIMIT

PRESSURE SWITCHES

(GAS AND ELECTRIC 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.

1.Open the cabinet base doors and remove the left side panel.

2.Remove the two screws at the top of the boiler control box and allow cover to drop down.

3.The pressure switches are located at the rear of the box. The pressure switch on the right is the cycling or primary control; the one on the left is the high limit control. They are identical switches, differing only in their settings.

4.Remove the cover from the pressure switch being replaced and disconnect the lead wires.

5.Disconnect the pressure fittings at the bottom of the switch.

6.Remove the mounting screws on the back side of the control box and lift out the pressure switch.

7.Preset the new pressure switch to the approximate cut-out (off) and cut-in (on) set points before installing. See the boiler pressure chart under “CYCLING AND HIGH LIMIT PRESSURE SWITCHES (GAS AND ELECTRIC MODELS)” in “SERVICE PROCEDURES AND ADJUSTMENTS”.

8.Reverse procedure to install.

9.Adjust the pressure switch(s) final set points as outlined under “CYCLING AND HIGH LIMIT PRESSURE SWITCHES (GAS AND ELECTRIC MODELS)” in “SERVICE PROCEDURES AND ADJUSTMENTS” and check for proper operation.

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Vulcan-Hart VL2GMS, VL3GMS Water Level Gauge Assembly, Cycling And High Limit Pressure Switches, Gas And Electric Models