Specifications

– 10 –
PL-41514-1
WATER LEVEL GAUGE
MANUAL VALVES
WATER INLET VALVE
GAS VALVE
PROBE HOUSING
BLOWDOWN VALVE
PRESSURE RELIEF VALVE
BOILER (Fig. 3)
Fig. 3
Pressure Relief Valve
• The pressure relief valve located on the top left side prevents pressure in the boiler from exceeding
15 psig.
• Manually pull up the lever daily to reduce scale buildup and verify that the pressure relief valve
functions properly.
Gas Valve
• Located behind the door. Turn counterclockwise to on; clockwise to off.
Probe Housing Blowdown Valve
• Open periodically (monthly) to blow down the probes and remove sediment and scale buildup.
• Located toward the back left side, wait until the boiler is cool before opening valve.
Water Inlet Valve
• Located toward the bottom center in the boiler, turn the valve off to shut off the water supply.
PREHEAT
This should be done when the gas steam boiler is first used for the day.
OPERATING BOILER
1. Press [ I ] and wait until boiler is filled to the required level. Both the Low Water and High Pressure
indicator lights are lit.
2. When the green indicator light is lit, press the Reset Switch. Both the Low Water and High Pressure
indicator lights must go off before the burner will ignite.
3. Wait 10 minutes for boiler to generate steam.
EXTENDED SHUTDOWN
To shut down for an extended period:
1. Press [ 0 ] on power switch (Fig. 2).
2. Turn knob of gas valve clockwise to off.
3. Close the water inlet valve.