400 WH1, WH2, WH3 LOW NOx WH1, Location of Controls | Raypak NH

LOCATION OF CONTROLS

400

WH1, WH2, WH3

181 (LOW NOx) WH1

Fig # 9360

28

Image 28

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

Contents

Installation Operating Instructions For Your Safety Table of Contents General Specifications Receiving Equipment ALL Models ApprovedModel Identification HOT Water Supply Heaters General Safety Precautions Installation Instructions Installation Codes Clearances Specifications and Dimensions Model Models Models Outdoor Water Heaters High Wind Conditions Outdoor Units Only Outdoor Installations Venting Indoor Installations Before After Installation Drafthood Vent TERMINAL/INDOOR Stack Installation Vent Piping Fig. #7043.1 Vent Damper Installation Models 133 Through 261 Where Required Location Vent Damper General PlumbingGAS Supply Connections GAS Pressure Regulator Venting of Diaphragm GAS Components Flow Rates General Specifications UNI-TEMP 80 HOT Water Supply Systems Piping Domestic HOT Water Supply Heaters Piping Diagrams Type WH Unitemp 80 System Type NH Instantaneous Minimum Input Adjustment Type NH Dual Models Controls General Relief ValveElectronic Ignition Economaster Control Flow Switch 100% Pilot SafetyHigh and LOW GAS Pressure Switches Optional Limit Controls High Limit Component Identification SINGLE-STAGE Tankstat Electrical ConnectionsON/OFF Units 400 WH1, WH2, WH3 LOW NOx WH1 Location of Controls Fig. #9334 START-UP Procedures Before START-UP Initial START-UP Pump and Motor TIME/TEMPERATURE Relationships in Scalds Scalding For Your Safety Read Before Operating Operating InstructionsTo Turn OFF GAS to Appliance For Models with Manual GAS Valves Inspection Procedures Burners After START-UPControls For Models with Automatic GAS Valves Inspection Procedures Burner Adjustment High GAS Pressure SwitchSTART-UP Procedures Visual Inspection Burner Tray Removal Pilot RemovalGAS Valve Removal Main Burner and Orifice Removal Troubleshooting Electrical Honeywell S8600 Wiring 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 Action Service and Maintenance Procedures Troubleshooting PumpsTube Cleaning Pilot Removal and Cleaning High Limit or Tankstat RemovalHeat Exchanger Removal Typical Burner Tray Illustrated Control Well Replacement Heat Exchanger RE-ASSEMBLYTube Replacement Replacement Parts Cleaning Flue GAS PassagewaysCatalog Model Number Warranty Scope