Ferguson JWSH100250, JWSH100150 warranty

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TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE

WITH OR WITHOUT BUILDING RECIRCULATION

DANGER

TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 3. IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES.

CAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACK-FLOW PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED.

*PIPE RELIEF VALVE TO OPEN DRAIN.

N OTE: I F T E M P E R E D WAT E R I S RECIRCULATED, RETURN LINE SHOULD BE CONNECTED AT POINT “A”.

INSTALL IN ACCORDANCE WITH LOCAL CODES.

CAUTION: If the plumbing requires the use of pipes with dissimilar material (for example, steel and copper), use dielectric unions to preventan electro-galvanic action between the piping components with dissimilar materials.

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Contents Models AJWSH100150 Thru AJWSH100250 PrintedModels AJWSH100150 Thru AJWSH100250 ROUGH-IN-DIMENSIONS ForewordTable of Contents FeaturesInstallation Instructions Locating the Heater ClearancesMechanical Exhausting of Room AIR Hard WaterAIR Requirements Unconfined SpaceCanadian Power Vent Canadian Direct Vent Masonry Side Walls Direct Vent Terminal InstallationDirect Venting Wooden Side WallsVertical Vent Terminal Installation Installation SequenceInitial Preparation Installation of Vent SystemVent Pipe Preparation Selection of MaterialsControls and Switches GAS PipingConnection of GAS Pipe AJWSH100199 & AJWSH100250 Models OnlySystem Connections Heater Wiring Using the Electronic Controller OverviewOperating States Changing the Display Units Viewing the Fault History Prior to Start UPAdjustment Procedure Operating InstructionsMaintenance General InformationAJWSH100150 only AJWSH100199 & AJWSH100250 Models only Draining Powered Anode SystemFlushing Sediment RemovalDrain Valve and Access Panels Vent SystemInstallation Diagrams Page Must be Identical Heaters Page Page Manifold Kits Checklist and Service Information TROUBLE-SHOOTINGMotor RUNS, Burner Lights Momentarily Then Locks OUT Replacement PartsMotor will not RUN GAS Fails to Shut OFFModels AJWSH100150 thru AJWSH100250 Limited Warranty Page Page Hill Street West Fergus, on Canada N1M