Raypak 1334001 Main burner And Orifice Removal, Pilot Removal, Combustion Fan Removal

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Main burner And Orifice Removal

1.Remove burner tray. (See Burner Tray Removal procedure on page 34.)

2.Remove (8) screws from the hold-down brackets.

3.Remove (8) screws from the left and right sides of the manifold assembly. Detach the manifold assembly from the burner tray assembly.

4.Use a long ½” socket wrench to remove orifices from the gas manifold.

5.Remove burners by raising the bracket on the back end of the burners up and out of their slots.

6.Reverse above procedure to re-install.

Pilot Removal

1.Disconnect pilot tubing from gas valve.

2.Remove (4) screws from control box. Open the control box.

3.Remove the pilot wire from the ignition wire.

4.Remove (2) screws that mount the pilot bracket to the air manifold assembly.

5.Pull the pilot bracket downwards and outwards.

6.Reverse above procedure to re-install.

Fig. 36: IID Pilot

Combustion Fan Removal

1.Remove burner tray. (See Burner Tray Removal procedure on page 34.)

2.Remove (4) screws that mount the combustion blower to the manifold assembly.

3.Reverse above procedure to re-install.

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Contents Raytherm Hot Water Supply Heaters Page Contents If Propane is Present or Suspected Feel water before bathing or show- ering General SafetyTemperature limiting valves are available, see manual Temperature Time to Produce Serious BurnModel Identification Time/Temperature Relationships in ScaldsReceiving Equipment Installation Model Part Number Installation Clearances All Dimensions are in InchesClearances Models 0182-0400 Specifications and DimensionsModel MBH ModelsMBH GPH High Wind Conditions Outdoor Units Only Outdoor Water HeatersModels 0181-0401 Outdoor InstallationsVent Terminal Outdoor Stackless Top Installation VentingIndoor Installations Indoor Top Installation Models 0181-0401 Vent Terminal/Indoor Stack Installation Vent Piping Vent PipingMounting Vent Damper InstallationModels 0133 Through 0180 Where Required LocationVent Damper InstallationGas Supply Connections PlumbingGeneral 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 Electronic Ignition Pump Time DelayControls-General Relief ValveHigh Limit Flow SwitchLimit Controls Low Water Cut-Off Optional 100% Pilot SafetyHigh and Low Gas Pressure Switches Optional Electrical ConnectionsLocation of Controls 0824 Initial Start-Up Pump and Motor START-UP ProceduresBefore Start-Up GeneralFor Your Safety Read Before Operating After Start-Up Inspection ProceduresBurners ControlsShould be checked monthly. Takes approximately 15 minutes Inspection ProceduresStart-Up Procedures S8610b Ignition Module OperationElectrical Burner AdjustmentHigh Gas Pressure Switch Visual InspectionCombustion Fan Removal Main burner And Orifice RemovalPilot 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 Tube Cleaning Service Maintenance ProceduresTroubleshooting-Pumps Combination Flame SENSOR/ Igniter and Pilot Burner Heat Exchanger Removal Pilot Removal and CleaningHeat Exchanger Re-Assembly High Limit or Tankstat RemovalCleaning Flue Gas Passageways Replacement PartsControl Well Replacement Tube ReplacementScope Page