Ferguson warranty Models AJWSH100150 Thru AJWSH100250, Printed

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MODELS (A)JWSH100150 THRU (A)JWSH100250

SERIES 100 AND 101

COMMERCIAL GAS WATER HEATER

GAS-FIRED POWER BURNER

FOR DOMESTIC HOT WATER

• INSTALLATION • OPERATION • SERVICE • MAINTENANCE • LIMITED WARRANTY

WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS:

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone in your building.

Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.

If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency or the gas supplier.

CAUTION

TEXT PRINTED OR UNDERLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY. PLEASE READ THOROUGHLY BEFORE INSTALLING AND USING THIS APPLIANCE.

PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND

NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.

PRINTED 0809

599 Hill Street West

Fergus, ON Canada N1M 2X1

316792-000

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Contents Printed Models AJWSH100150 Thru AJWSH100250Foreword Models AJWSH100150 Thru AJWSH100250 ROUGH-IN-DIMENSIONSFeatures Table of ContentsInstallation Instructions Clearances Locating the HeaterAIR Requirements Hard WaterMechanical Exhausting of Room AIR Unconfined SpaceCanadian Power Vent Canadian Direct Vent Direct Venting Direct Vent Terminal InstallationMasonry Side Walls Wooden Side WallsInstallation Sequence Vertical Vent Terminal InstallationVent Pipe Preparation Installation of Vent SystemInitial Preparation Selection of MaterialsGAS Piping Controls and SwitchesAJWSH100199 & AJWSH100250 Models Only Connection of GAS PipeSystem Connections Heater Wiring Overview Using the Electronic ControllerOperating States Changing the Display Units Prior to Start UP Viewing the Fault HistoryOperating Instructions Adjustment ProcedureGeneral Information MaintenanceAJWSH100150 only AJWSH100199 & AJWSH100250 Models only Flushing Powered Anode SystemDraining Sediment RemovalVent System Drain Valve and Access PanelsInstallation Diagrams Page Must be Identical Heaters Page Page Manifold Kits TROUBLE-SHOOTING Checklist and Service InformationMotor will not RUN Replacement PartsMotor RUNS, Burner Lights Momentarily Then Locks OUT GAS Fails to Shut OFFModels AJWSH100150 thru AJWSH100250 Limited Warranty Page Page Hill Street West Fergus, on Canada N1M