User Guide

Part number 550-142-055/0411
GV90+ gas-fired water boiler — User’s Information Manual
8
Check condensate system
1. NOTICE— To improve clarity,this
illustration of the condensate trap is
shownwithnoairinletpipeattached.
Ifyourboilerhasanairpipeconnected
here,DONOTtamperwithit.Thetrap
isalsoshownasitemm on page 11.
2. Inspectthecondensate P-trap(item1
intheillustrationatright).Thetrapis
translucent.You should be able tosee
waterinthetrapasshown.
3. Ifthetrapdoesnotcontainwater,turn
offtheboilerON/OFFswitchandcall
your boiler service technician imme-
diately.
4. Item2intheillustrationisthetubingor
pipefromtheboilercondensateoutlettothecondensatedrainorcondensatepump.Inspect
thistubingorpiping,makingsureitisingoodconditionandnotobstructed.
 Ifthecondensatetrapisdryorthecondensatelineisdamagedorobstructed,
thereisariskofuegasowintothebuilding.Theboilermustnotbeoperated
andmustbeinspectedandservicedonlybyaqualiedservicetechnician.Failure
tocomplywiththisdirectivecouldresultinthepossibilityofseverepersonal
injury, death or substantial property damage.
Check boiler relief valve
1. Inspecttheboilerreliefvalveandthereliefvalvedischargepipeforsignsofweepingor
leakage.
2. Ifthereliefvalveoftenweeps,theexpansiontankmaynotbeworkingproperly.Immediately
contactyourqualiedservicetechniciantoinspecttheboilerandsystem.
Test low water cutoff (if installed)
1. Ifthesystemisequippedwithalowwatercutoff,testthelowwatercutoffperiodically
duringtheheatingseason,followingthelowwatercutoffmanufacturer’sinstructions.
Clean vent termination & air intake screens
1. Removealllintanddebrisfromboththeboilerairintakescreenandtheuedischarge
screen.
2. Theboilercontrolmodulewillsenseblockageoftheairintakeorueandlockoutifthe
blockageisexcessive.Itwillsignalthefailurebyashingtheappropriateindicatorlights
on the control board.
3. Ifremovingthedebrisdoesnotallowtheboilertooperatecorrectlyafterwards,contact
your qualifed service technician to inspect the boiler and vent/air systems.
User maintenance procedures (continued)
MONTHLY
Maintenance
PERIODIC
Maintenance