37VentingINSTALLATION INSTRUCTIONSHorizontal Vent Terminal LocationOutside WallsFixedClosedFixedClosedOperableOperableVVVVVVXXVVInterior WallVent Term
46Support HangerAdjustable Roof FlashingSupport ClampUpward SlopeAir IntakePipeExhaust VentPipeMinimum Clearance AboveAnticipated Snow LevelCondensate
47INSTALLATION INSTRUCTIONSCAUTION: This water heater MUST ONLY be used with the following water supply conditions to prevent product damage and opera
48INSTALLATION INSTRUCTIONSWater SupplyPlumbingWater Supply InstallationNOTICES: • Use only Teflon tape on all COLD and HOT water connections.• If t
49INSTALLATION INSTRUCTIONSPlumbing Open the shut-off valve in the COLD water Inlet line to check the water flow through the water heater. Close th
50INSTALLATION INSTRUCTIONSPlumbingWater Supply (cont.)Relief ValveA new pressure-relief valve, complying with the Standard for Relief Valves and Auto
51INSTALLATION INSTRUCTIONSPlumbingWARNINGS: • When pipe insulation is not rated for the appropriate weather conditions, install electric heat tracin
52INSTALLATION INSTRUCTIONSGas Supply ConnectionsWARNING: Do not attempt to convert this water heater for use with a different type of gas other than
53INSTALLATION INSTRUCTIONSGas SupplyGas PipingPipe-Sizing Procedure – ExampleThe gas supply must be capable of handling the entire gas load at the lo
54INSTALLATION INSTRUCTIONSGas SupplyGas Supply Installation Install the manual gas appliance shut-off valve to the gas connection at the water heate
55INSTALLATION INSTRUCTIONSGas SupplyLeak TestingWARNING: Never use an open flame to test for gas leaks, because death, personal injury, and/or proper
38INSTALLATION INSTRUCTIONSVentingVenting for Direct-Vent Water Heater (cont.)LocationU.S. Installation Requirements1Canadian Installation Requireme
56Gas SupplyINSTALLATION INSTRUCTIONSGas Supply (cont.)Electrical WiringDANGER: Shock Hazard – Before servicing the water heater, turn off the electri
57INSTALLATION INSTRUCTIONSElectricalWiring DiagramFLAME ROD 2ÉLECTRODE DEDÉTECTIONDE FLAMME 231-98419 2NEUTRALIZER WATERLEVEL ELECTRODERRÉLECTRODE DE
58INSTALLATION INSTRUCTIONSElectricalRemote Control Selection and LocationWARNING: Field wiring connections and electrical grounding must comply with
59INSTALLATION INSTRUCTIONSElectricalRemote Control InstallationWARNING: Field wiring connections and electrical grounding must comply with local code
60INSTALLATION INSTRUCTIONSElectricalConnecting the Remote Control to the Water Heater: Ensure that the power to the water heater has been disconnec
61INSTALLATION INSTRUCTIONSElectricalInsulation BlanketsIn general, insulation blankets for external use on gas water heaters are not necessary. The p
62INSTALLATION INSTRUCTIONSCondensate drain is properly installed.F. CondensateInstallation ChecklistIndoor water heaters must be installed indoors.Ou
63INSTALLATION INSTRUCTIONSStart/AdjustLighting the Water HeaterWARNING: Before operating this water heater, be sure to read and follow the instructio
64INSTALLATION INSTRUCTIONSStart/AdjustOperating InstructionsRead, understand, and follow the safety information listed on the operating label on page
65INSTALLATION INSTRUCTIONSStart/AdjustSetting the Water TemperatureWARNING: Improper adjustment, alteration, service, or maintenance can result in de
39INSTALLATION INSTRUCTIONSVentingHorizontal Vent ConsiderationsWARNING: Moisture in the flue gas will condense as it leaves the vent terminal. In col
66Start/AdjustINSTALLATION INSTRUCTIONSWhile “120” is blinking, press the UP and DOWN adjustment buttons at the same time. “120” will stop blinking. P
67Minimum Temperature Adjustment by the Main Remote Control (UMC–117, USC1–117, and USC2–117) Residential water heater temperatures can be adjusted do
68INSTALLATION INSTRUCTIONSStart/AdjustHigh-Altitude DIP Switch Adjustments (cont.)Printed CircuitBoard (PCB)Dip Switches3Dip switch adjustment3,280 f
69PARTS REPLACEMENTPartsParts OrderingWARNING: For your safety, do not attempt to disassemble, repair, or replace any portion of this unit. Refer all
70PARTS REPLACEMENTParts Ordering (cont.)PartsOutdoor Gas ComponentsRef # Description1 Control Board2 Gas Valve3 Burner Assembly4 Blower Motor5 Burner
72NOTES
40VentingINSTALLATION INSTRUCTIONSVenting for Direct-Vent Water Heater (cont.)Exhaust Vent PipeAir Intake PipeWall PlateInspectionAccess Panel(Optiona
41VentingINSTALLATION INSTRUCTIONSHorizontal Vent Installation (cont.)Fasteners will vary depending on the wall type. For particle board or composi
42VentingINSTALLATION INSTRUCTIONSVenting for Direct-Vent Water Heater (cont.)Alternative Horizontal Vent InstallationsExhaust Vent PipeAir Intake Pip
43VentingINSTALLATION INSTRUCTIONSVertical Vent InstallationWARNING: Improper vent installation can result in death, personal injury, product damage,
44Vertical Vent Terminal LocationA, B, C, D12" Min.(300 mm)Vent PipeThrough RoofOptionalThe following chart with diagrams details the minimum dim
45VentingINSTALLATION INSTRUCTIONSAdjustable Roof FlashingSupport ClampUpward SlopeSupport HangerAir IntakePipeExhaust VentPipeCondensate DrainOptiona
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