Raypak 0133-4001 WH, NH manual Installation Operating Instructions, For Your Safety

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CATALOG NO. 3000.52G

Effective: 11-01-04

Replaces: 02-01-04

INSTALLATION

AND OPERATING

INSTRUCTIONS

RAYTHERMTM

HOT WATER SUPPLY

HEATERS

Models 0133-4001

Types WH & NH

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.

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

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.

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

P/N 241075

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Contents For Your Safety Installation Operating InstructionsTable of Contents Receiving Equipment ALL Models Approved General SpecificationsModel Identification HOT Water Supply HeatersGeneral Safety Precautions Installation Codes Installation InstructionsClearances Model Specifications and DimensionsModels Models High Wind Conditions Outdoor Units Only Outdoor Water HeatersVenting Outdoor InstallationsBefore After Installation Drafthood Indoor InstallationsVent TERMINAL/INDOOR Stack Installation Fig. #7043.1 Vent PipingModels 133 Through 261 Where Required Location Vent Damper InstallationVent Damper General PlumbingGAS Supply Connections Venting of Diaphragm GAS Components GAS Pressure RegulatorFlow Rates Piping Domestic HOT Water Supply Heaters General Specifications UNI-TEMP 80 HOT Water Supply SystemsPiping Diagrams Type WH Unitemp 80 System Type NH Instantaneous Type NH Dual Models Minimum Input AdjustmentRelief Valve Controls GeneralElectronic Ignition Economaster Control100% Pilot Safety Flow SwitchHigh and LOW GAS Pressure Switches Optional Limit Controls High LimitComponent Identification SINGLE-STAGE Tankstat Electrical ConnectionsON/OFF Units Location of Controls 400 WH1, WH2, WH3 LOW NOx WH1Fig. #9334 Initial START-UP Pump and Motor START-UP Procedures Before START-UPScalding TIME/TEMPERATURE Relationships in ScaldsOperating Instructions For Your Safety Read Before OperatingTo Turn OFF GAS to Appliance For Models with Manual GAS ValvesAfter START-UP Inspection Procedures BurnersControls For Models with Automatic GAS ValvesInspection Procedures High GAS Pressure Switch Burner AdjustmentSTART-UP Procedures Visual InspectionPilot Removal Burner Tray RemovalGAS Valve Removal Main Burner and Orifice RemovalHoneywell S8600 Troubleshooting ElectricalWiring Diagrams Wiring Diagram WH2 182/260 Wiring Diagram WH2 330/400 Wiring Diagram WH2 514/624 Wiring Diagram WH2 Wiring Diagram WH2 Wiring Diagram WH2 Wiring Diagram WH2 Wiring Diagram WH1 181/261 LOW NOx Wiring Diagram WH1 331/401 LOW NOx Mechanical Problem Possible Cause Corrective Action TroubleshootingService and Maintenance Procedures Troubleshooting PumpsTube Cleaning High Limit or Tankstat Removal Pilot Removal and CleaningHeat Exchanger Removal Typical Burner Tray IllustratedControl Well Replacement Heat Exchanger RE-ASSEMBLYTube Replacement Replacement Parts Cleaning Flue GAS PassagewaysCatalog Model Number Scope Warranty