Raypak 1334001 operating instructions Raytherm Hot Water Supply Heaters

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INSTALLATION & OPERATING

INSTRUCTIONS

Raytherm™

Hot Water

Supply

Heaters

Models 0133–4001

Type WH

L

W

WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Refer to this manual. Installation and service must be performed by a qualified installer, service agency or the gas supplier.

FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and liquids or other combustible materials in the vicinity of this or any other appliance. To do so may result in an explosion or fire.

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.

This manual should be maintained in legible condition and kept adjacent to the heater or in a safe place for future reference.

CATALOG NO. 3000.52N

Effective: 02-18-11

Replaces: 05-20-10

P/N 241075 Rev. 15

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Contents Raytherm Hot Water Supply Heaters Page Contents If Propane is Present or Suspected Temperature limiting valves are available, see manual General SafetyTemperature Time to Produce Serious Burn Feel water before bathing or show- eringReceiving Equipment Time/Temperature Relationships in ScaldsModel Identification Installation Clearances Installation Clearances All Dimensions are in InchesModel Part Number Model Specifications and DimensionsModels 0182-0400 MBH ModelsMBH GPH High Wind Conditions Outdoor Units Only Outdoor Water HeatersVent Terminal Outdoor Stackless Top Installation Outdoor InstallationsVenting Models 0181-0401Indoor Installations Indoor Top Installation Models 0181-0401 Vent Terminal/Indoor Stack Installation Vent Piping Vent PipingModels 0133 Through 0180 Where Required Vent Damper InstallationLocation MountingVent Damper InstallationGeneral PlumbingGas Supply Connections Venting of Diaphragm Gas Components Gas Pressure RegulatorMaximum and Minimum Flow Rates Flow RatesSoft Medium Hard Piping-Domestic Hot Water Supply HeatersPiping Diagram-Type WH Unitemp 80 System Controls-General Pump Time DelayRelief Valve Electronic IgnitionLimit Controls Flow SwitchHigh Limit High and Low Gas Pressure Switches Optional 100% Pilot SafetyElectrical Connections Low Water Cut-Off OptionalLocation of Controls 0824 Before Start-Up START-UP ProceduresGeneral Initial Start-Up Pump and MotorFor Your Safety Read Before Operating Burners Inspection ProceduresControls After Start-UpStart-Up Procedures S8610b Ignition Module Inspection ProceduresOperation Should be checked monthly. Takes approximately 15 minutesHigh Gas Pressure Switch Burner AdjustmentVisual Inspection ElectricalPilot Removal Main burner And Orifice RemovalCombustion Fan Removal Intermittent Pilot System Honeywell S8600 Electrical-Electronic Ignition IIDMechanical Mechanical Problem Possible Cause Corrective ActionWiring Diagram-W2/WH2 Wiring DiagramsWiring Diagram-WH1 0181/0261 Wiring Diagram-WH1 0331/0401 Wiring Diagram-WH1 Wiring Diagram-WH1 Wiring Diagram-WH1 Wiring Diagram-WH1 Troubleshooting-Pumps Service Maintenance ProceduresTube Cleaning Combination Flame SENSOR/ Igniter and Pilot Burner Heat Exchanger Re-Assembly Pilot Removal and CleaningHigh Limit or Tankstat Removal Heat Exchanger RemovalControl Well Replacement Replacement PartsTube Replacement Cleaning Flue Gas PassagewaysScope Page