User's Information Manual - Weil-McLain

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GAS-FIRED WATER BOILER SERIES 2 — User’s Information ManualMaintenance procedures (continued)PeriodicallyTest low watercutoff (if installed)1. If the system is equipped with a low water cutoff, test the low water cutoff periodicallyduring the heating season, following the low water cutoff manufacturer’s instructions.Every 6 monthsCheck boiler piping(gas and water)Operate relief valve1. Remove boiler front access door and perform gas leak inspection per steps 1 through 7,Operating Instructions, page 9. If gas odor or leak is detected, immediately shut downboiler following procedures on page 9. Call a qualified service technician.2. Visually inspect for leaks around internal water piping. Also inspect external water piping,circulators, relief valve and fittings. Immediately call a qualified service technician torepair any leaks.Have leaks fixed at once by a qualifed service technician. Failure to complycould result in severe personal injury, death or substantial property damage.3. Replace door securely after inspections (see WARNING, page 6).1. Before proceeding, verify that the relief valve outlet has been piped to a safe place ofdischarge, avoiding any possibility of scalding from hot water.To avoid water damage or scalding due to valve operation, a metal dischargeline must be connected to relief valve outlet and run to a safe place of disposal.This discharge line must be installed by a qualifed heating installer or servicetechnician in accordance with the instructions in the Ultra Boiler Manual. Thedischarge line must be terminated so as to eliminate possibility of severe burnsor property damage should the valve discharge.2. Read the boiler pressure/temperature gauge to make sure the system is pressurized. Liftthe relief valve top lever slightly, allowing water to relieve through the valve and dischargepiping.3. If water flows freely, release the lever and allow the valve to seat. Watch the end of therelief valve discharge pipe to ensure that the valve does not weep after the line has hadtime to drain. If the valve weeps, lift the seat again to attempt to clean the valve seat. If thevalve continues to weep afterwards, contact your qualified service technician to inspectthe valve and system.4. If water does not flow from the valve when you lift the lever completely, the valve ordischarge line may be blocked. Immediately shut down the boiler, following the operatinginstructions on page 9. Call your qualified service technician to inspect the boiler andsystem.End of seasonShut boiler down(unless boiler usedfor domestic water)1. Follow “TO TURN OFF GAS TOAPPLIANCE” on the page 9 of thismanual.2. Do not drain system unless exposure tofreezing temperatures will occur.3. Do not drain the system if it is filled withan antifreeze solution.4. DO NOT shut down boilers used fordomestic water heating. They must operateyear-round.8Part number 550-100-027/0404
GAS-FIRED WATER BOILER SERIES 2 — User’s Information ManualOperating InstructionsFOR YOUR SAFETY READ BEFORE OPERATINGIf you do not follow these instructions exactly, a fire or explosion may resultcausing property damage, personal injury or loss of life.A. This appliance does not have a pilot. It is equipped withan ignition device which automatically lights the burner.Do not try to light the burner by hand.B. Before OPERATING, smell all around the appliance areafor gas. Be sure to smell next to the floor because somegas is heavier than air and will settle on the floor. Seebelow.C. Use only your hand to turn the gas control knob. Neveruse tools. If the knob will not turn by hand, don't try torepair it, call a qualified service technician. Force orattempted repair may result in a fire or explosion.D. Do not use this appliance if any part has been under water.Immediately call a qualified service technician to inspectthe appliance and to replace any part of the control systemand any gas control, which has been under water.• Do not try to light any appliance.• Do not touch any electric switch; do not use any phonein your building.WHAT TO DO IF YOU SMELL GASOPERATING INSTRUCTIONS• Immediately call your gas supplier from a neighbor'sphone. Follow the gas supplier's instructions.• If you cannot reach your gas supplier, call the firedepartment.1. Stop! Read the safety information above.This appliance is equipped with an ignitiondevice which automatically lights the burner.Do not try to light the burner by hand.2. Set room thermostat(s) to lowest setting.Verify external manual gas valve is open(valve handle parallel to gas piping).3. Turn OFF POWER switch on the Ultracontrol panel.4. Rotate two thumb screws at bottom of accessdoor counterclockwise to release door.5. Remove boiler access door.6. Turn boiler manual gas valve knobcounterclockwise to open gas supply.7. Smell for gas in the boiler enclosure. If yousmell gas, STOP! Follow "B" in the safetyinformation above. If you don't smell gas,go to the next step.8. Turn ON POWER switch on the Ultracontrol panel.9. Set thermostat(s) to desired setting.10. The Ultra control panel display left digitwill show a sequence of numbers (0, 1, 2,etc.) that indicate boiler control sequence.Digit 3 or 4 indicates boiler is firing.Digit 0 means there is no call for heat (allroom thermostats and domestic waterheater satisfied).11. If the appliance will not operate whenthere is a call for heat and piping is nothot, follow the instructions "To Turn OffGas To Appliance" below and call yourservice technician or gas supplier.12. Replace jacket front panel. Make surepanel is seated firmly in place and all jointsare visually sealed. Then tighten the twothumb screws at bottom of access doorfirmly.Boiler manualgas valveTO TURN OFF GAS TO THE APPLIANCE1. Set room thermostats to lowest setting.2. Turn off all electric power to the boiler if service is to beperformed. Turn OFF POWER switch on the Ultracontrol panel.3. Close external manual gas cock (valve handle perpendicularto gas piping). Remove boiler access door. Turn boilermanual gas valve knob clockwise to close gas supply.4. Replace boiler access door.Part number 550-100-027/0404 9
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