User Guide

Part number 550-142-055/0411
9
GV90+ gas-fired water boiler — User’s Information Manual
Operate boiler relief valve
1. Before proceeding, verify that the relief valve outlet has been piped to a safe place of dis-
charge,avoidinganypossibilityofscaldingfromhotwater.
Toavoidwaterdamageorscaldingduetovalveoperation,ametaldischargeline
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 service techni-
cianinaccordancewiththeinstructionsintheGV90+ Boiler Manual.The
discharge line must be terminated so as to eliminate possibility of severe burns
should the valve discharge.
2. Readtheboilerpressure/temperaturegaugetomakesurethesystemispressurized.
3. Liftthereliefvalvetopleverslightly,allowingwatertorelievethroughthevalveanddis-
charge piping.
4. Ifwaterowsfreely,releasetheleverandallowthevalvetoseat.Watchtheendoftherelief
valvedischargepipetoensurethatthevalvedoesnotweepafterthelinehashadtimeto
drain.Ifthevalveweeps,lifttheseatagaintoattempttocleanthevalveseat.Ifthevalve
continuestoweepafterwards,contactyourqualiedservicetechniciantoinspectthevalve
and system.
5. Ifwaterdoesnotowfromthevalvewhenyouliftthelevercompletely,thevalveordischarge
linemaybeblocked.Immediatelyshutdowntheboiler,followingthelightinginstructions
ontheinsidejackettop.Callyourqualiedservicetechniciantoinspecttheboilerand
system.
Follow boiler shutdown procedure
1. Follow“TO TURN OFF GAS TO APPLIANCE” on the Operating instruction on the
insideofthejackettoppanel.Youwillalsondtheseinstructionsonpage 12 of this manual.
2. Donotdrainsystemunlessexposuretofreezingtemperatureswilloccur.
3. Donotdrainthesystemifitislledwithanantifreezesolution.
4. Donotshutdownboilersusedfordomesticwaterheating.Theymustoperateyear-round.
Oil blower motor
1. Removethejackettoppaneltoaccesstheblower
motor.
2. UseonlyAnderol465.DO NOTuse household
universal oils.
Use only Anderol 465 to lubricate the
blowermotor.Donotusecommonuni-
versal household oils.
3. See Figure 4
4. Placeafewdropsofoilineachofthetwooilercups
onthesideoftheblowermotor.
Figure 4 Blower motor
User maintenance procedures (continued)
EVERY
6 MONTHS
Maintenance
END OF
SEASON
Maintenance