3
3-90-07205R26_10/14
ProductSpecicandImportantSafetyInformation....4
Warranty ...................................5-6
Assembly...................................7-9
Venting...................................10-13
OutsideAirInstallation.........................14
MainWiringHarness..........................15
PlumbingInstallations.......................16-20
OverheatSafetyZone.......................21
PowerFailure/HeatDissipationLoop..........21
LowWaterCut-OffControlTipConnection(LWCO). . 22
DraftTestProcedure..........................23
FuelSpecications ...........................24
ESPControl.................................25
OutdoorAirResetOperation....................26
ControlBoardOperation.......................27
AutomaticIgnition..........................28-29
ManualIgnition ............................30-31
Maintenance................................32
BurnpotMaintenance.......................32
BurnpotAirChamber .......................32
AshRemovalandDisposal...................33
FireboxMaintenance .......................34
CombustionBlowerMaintenance..............35
TubeHeatExchangers......................35
Troubleshooting ...........................36
Table of Contents
= Contains updated information
AtmosphericConversion.......................37
OptionalDomesticHotWaterCoil................38
ServicePartsList...........................39-44
Specications ...............................45
WiringDiagram..............................46
PowerFailureBack-UpSupply................46-47
SafetyLabel.................................48
QuickReferenceStart-Up............. BackCove48