CSVB Series II - Columbia Heating

You may avoid inconvenience and service calls by checking these points before you call for service:!SERVICE HINTSCAUTIONWHAT TO DO IF YOU SMELL GAS• Do not try to light any appliance.• Do not touch any electrical switch; do not use anyphone in your building.• 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.POSSIBLE CAUSEIF YOUR SYSTEM IS NOT HEATING OR NOT GIVING ENOUGH HEAT . . .WHAT TO DOThermostat is not set correctlyReset thermostatBurner is not operating properlyCheck flame. If it is yellow, the burner is not getting enough air. Or, ifflame is blue and noisy and seems to lift off the burner, the burner isgetting too much air. Contact your service technician.No electric power to boilerControls out of adjustmentRadiators not heatingCirculating pump not runningPoor electrical contactCheck over-current protection. Check to be sure electric power supplycircuit is “ON”.Reset according to instructions.Open radiator vents to excess air. Check flow control valve (if used). Itmay be in closed position.Check over-current protection. Check relay operation.Check all control terminals and wire joints.Chimney flue is blockedPressure switch will not close and pilot spark will not operate to startpilot. Have your service technician check and correct, if necessary.Rollout switch blownPOSSIBLE CAUSEGas input amount is incorrectPOSSIBLE CAUSEDirt on seatWater logged expansion tankHave your service technician check heat exchanger for blockage. Replacerollout switch with exact replacement.IF BURNER IS NOISY . . .WHAT TO DOContact your service technician.RELIEF VALVE LEAKING . . .WHAT TO DOOpen valve manually. Allow water to run and clear valve seat.Drain tank, see manufacturer instructions.HAVE YOUR SERVICE TECHNICIAN CHECK ANY PROBLEM YOUARE UNABLE TO CORRECT.29