Raypak NH, 0133-4001 WH manual Indoor Installations, Before After Installation Drafthood

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INDOOR INSTALLATIONS

MODEL 133

Step 1. Shut-off main electrical power switch to heater.

Step 2. Turn heater manual switch, located in upper control panel, to the "OFF" position. Step 3. Shut-off gas supply and water supply to the heater.

Step 4. Mount drafthood on heater and attach with the 8 sheet metal screws provided. Drafthood

should be positioned with the vent sensor located on the front left side as shown.

Step 5. Remove plastic plug from left side of heater jacket and install the plastic grommet provided. Step 6. Route flue sensor wire harness through the grommet installed in Step 5.

Fig. #8946

Step 7. Remove door and locate wire from roll out sensor to High Limit with the male/female connector.


BEFORE
BEFORE		AFTER
INSTALLATION		INSTALLATION
OF DRAFTHOOD		OF DRAFTHOOD	Fig. #8947

Step 8. Disconnect male/female connector and attach to the 2 wires from drafthood vent sensor harness.

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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 Plumbing GeneralGAS 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 ControlFlow Switch 100% Pilot SafetyHigh and LOW GAS Pressure Switches Optional Limit Controls High LimitComponent Identification Electrical Connections SINGLE-STAGE TankstatON/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 ActionTroubleshooting Pumps Service and Maintenance ProceduresTube Cleaning Pilot Removal and Cleaning High Limit or Tankstat RemovalHeat Exchanger Removal Typical Burner Tray IllustratedHeat Exchanger RE-ASSEMBLY Control Well ReplacementTube Replacement Cleaning Flue GAS Passageways Replacement PartsCatalog Model Number Warranty Scope