Raypak NH, 0133-4001 WH manual 400 WH1, WH2, WH3 LOW NOx WH1, Location of Controls

Page 28

LOCATION OF CONTROLS

400

WH1, WH2, WH3

181 (LOW NOx) WH1

Fig # 9360

28

Image 28

Contents Installation Operating Instructions For Your SafetyTable of Contents General Specifications Receiving Equipment ALL Models ApprovedModel Identification HOT Water Supply HeatersGeneral Safety Precautions Installation Instructions Installation CodesClearances Specifications and Dimensions ModelModels Models Outdoor Water Heaters High Wind Conditions Outdoor Units OnlyOutdoor Installations VentingIndoor Installations Before After Installation DrafthoodVent TERMINAL/INDOOR Stack Installation Vent Piping Fig. #7043.1Vent Damper Installation Models 133 Through 261 Where Required LocationVent Damper General PlumbingGAS Supply Connections GAS Pressure Regulator Venting of Diaphragm GAS ComponentsFlow Rates General Specifications UNI-TEMP 80 HOT Water Supply Systems Piping Domestic HOT Water Supply HeatersPiping Diagrams Type WH Unitemp 80 System Type NH Instantaneous Minimum Input Adjustment Type NH Dual ModelsControls General Relief ValveElectronic Ignition Economaster Control Flow Switch 100% Pilot Safety High and LOW GAS Pressure Switches Optional Limit Controls High LimitComponent Identification SINGLE-STAGE Tankstat Electrical ConnectionsON/OFF Units 400 WH1, WH2, WH3 LOW NOx WH1 Location of ControlsFig. #9334 START-UP Procedures Before START-UP Initial START-UP Pump and MotorTIME/TEMPERATURE Relationships in Scalds ScaldingFor Your Safety Read Before Operating Operating InstructionsTo Turn OFF GAS to Appliance For Models with Manual GAS ValvesInspection Procedures Burners After START-UPControls For Models with Automatic GAS ValvesInspection Procedures Burner Adjustment High GAS Pressure SwitchSTART-UP Procedures Visual InspectionBurner Tray Removal Pilot RemovalGAS Valve Removal Main Burner and Orifice RemovalTroubleshooting Electrical Honeywell S8600Wiring 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 Troubleshooting Mechanical Problem Possible Cause Corrective ActionService and Maintenance Procedures Troubleshooting PumpsTube Cleaning Pilot Removal and Cleaning High Limit or Tankstat RemovalHeat Exchanger Removal Typical Burner Tray IllustratedControl Well Replacement Heat Exchanger RE-ASSEMBLYTube Replacement Replacement Parts Cleaning Flue GAS PassagewaysCatalog Model Number Warranty Scope