Manuals / Roberts Gorden / Household Appliance / Gas Heater

Roberts Gorden CTH2-100, CTH2-125, CTH2-80, CTH2-150, CTH2-175 Troubleshooting Flow Chart

Models: CTH2-40 CTH2-60 CTH2-175 CTH2-150 CTH2-100 CTH2-80 CTH2-125

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12.2 Troubleshooting Flow Chart

CTH2-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

12.2 Troubleshooting Flow Chart

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Roberts Gorden CTH2-100, CTH2-125, CTH2-80, CTH2-150, CTH2-175, CTH2-40 CTH2-60 service manual Troubleshooting Flow Chart

Contents

Installation, Operation & Service ManualVantage Gas-Fired,Low IntensityPage TABLE OF CONTENTS 2012 Roberts-GordonLLCPage TABLE OF FIGURES LIST OF TABLESPage SECTION 1: HEATER SAFETY 1.1 Manpower Requirements1.2 Safety Labels and Their Placement 1.3 California PropositionFIGURE 1: Top and Bottom Panel Label Placement Logo LabelBottom Rating Plate LabelFIGURE 2: Side and Back Panel Label Placement Clearances to Combustibles Label Wiring LabelControl Side Panel Control Side Panel Inside Thermostat Connection Label Back PanelSECTION 2: INSTALLER RESPONSIBILITY 2.1 Wall Tag2.2 Corrosive Chemicals 2.3 National Standards and Applicable CodesFIGURE 3: STANDARD REFLECTOR inchescentimeters ModelFIGURE 4: ONE SIDE REFLECTOR FIGURE 6 45 TILT REFLECTORinches centimetersFIGURE 7: U-TUBE,STANDARD REFLECTOR inches A B C D UNAPPROVEDcentimeters A B C D UNAPPROVED FIGURE 8: U-TUBE,45FIGURE 11: LOWER CLEARANCE SHIELD FIGURE 12: VENTINGinches centimeters4.1 Gas Codes 4.2 Aircraft Hangars4.3 Public Garages 4.4 ElectricalCoupling Assembly Reflector Support Strap & Wire FormSECTION 5: MAJOR COMPONENTS FIGURE 13: Major Component Descriptions5.1 Standard Parts List Table 1: Contents of the Burner CartonTable 2: Contents of Core and Extension Packages Part NoTable 3: Component Package Guide Tubing LengthCore Packages MinimumSECTION 6: HEATER INSTALLATION FIGURE 14: Critical Hanger Placement Typical Suspension DetailsFIGURE 15: Linear Heater Assembly Overview Tube Clamp PackageFIGURE 16: Linear Heater Layout Overview LEGEND50 Tube Length 60 Tube Length70 Tube Length 80 Tube LengthStep 6.1 Burner Tube Installation Step 6.2 Tube Clamp Package InstallationTube Clamp BoltStep 6.3 Coupling and Tube Assembly Step 6.3.1 Coupling and Tube Assembly Continued± 2 5 cm Descriptionw i s t Step 6.3.2 Coupling and Tube Assembly ContinuedStep 6.4 Turbulator Installation Step 6.5 Reflector Installation SECTION 6: HEATER INSTALLATIONFire Hazard Reflector must not touch tubeThe pictorial drawings of the heater construction in Section 6 are schematic only and provide a general guideline of where hangers, reflector supports and U-clipsare to be installed Step 6.6 Burner Installation SECTION 6: HEATER INSTALLATIONwith the flame observation DescriptionSECTION 7: OPTIONAL HEATER ACCESSORIES 7.1 U-TubeConfigurationFIGURE 18: U-TubeHeater Assembly Overview SECTION 7: OPTIONAL HEATER ACCESSORIESFIGURE 19: U-TubeHeater Layout Overview FIGURE 20 U-TubeHeater Layout Overview Continued 50 Tube Length60 Tube Length 70 Tube LengthStep 7.2.2 Elbow Installation Step 7.2.3 Reflector Joint InstallationBurner and Elbow ModelStep 7.2.4 Reflector Joint Installation Step 7.2.5 Reflector Joint DetailFIGURE 21: Reflector Joint Detail SECTION 7: OPTIONAL HEATER ACCESSORIESStep 7.3.2 Side Reflector Installation Reflector Step 7.5.2 Frame Shield Installation DescriptionDistance A ExtensionStep 7.6.2 Grille End Cap Installation Step 7.6.3 Grille InstallationSECTION 8: VENTING 8.1 General Venting Requirements8.1.1 United States Requirements 8.1.2 Canadian Requirements8.3 Horizontal Venting 8.4 Vertical Venting8.5 Unvented Operation Tube Termination 8.6 Length Requirements8.8 Vertical Ventilation 4 10 cm Pipe Step 8.9 Common Sidewall VentingRequirements •Heaters must be of the same BTU output8.10 Common Vertical Venting Requirements•Heaters must be of the same BTU output SECTION 8: VENTING8.11 Outside Combustion Air Supply 8.11.1 Length RequirementsRequirements RequirementsSECTION 9 GAS PIPING FIGURE 23: Gas Connection with Flexible Gas Hose when attaching gas hoseINCORRECT POSITIONS WRONG INSTALLATION CORRECT POSITIONSSECTION 10: WIRING 10.1 Line Voltage Thermostat WiringDANGER 10.2 Low Voltage Thermostat with One Burner10.4 Internal Wiring Transformer RelayFRONT VIEW BACK VIEW10.5 Ladder Diagram 10.6 Electrical Connection to the BurnerSECTION 11: OPERATION AND MAINTENANCE 11.4Pre-SeasonMaintenance and Annual Inspection11.1 Sequence of Operation 11.2 To Shut Off Heater11.5 Maintenance Checklist Installation Code and Annual InspectionsThe Vicinity of the Heater See Page 5, SectionSafety Labels Gas LineBurner Observation WindowSECTION 12: TROUBLESHOOTING DANGER12.1 Honeywell SmartValve II Troubleshooting LED StatusIndicates Section12.2 Troubleshooting Flow Chart SECTION 12: TROUBLESHOOTING 12.3 Manifold Gas Pressure Setting Natural PropaneTop View of Heater OrificeDANGER SECTION 13: REPLACEMENT PARTSSECTION 13: REPLACEMENT PARTS Motor and Blower Assembly Description Part NumberSECTION 14: GENERAL SPECIFICATIONS 14.1Material Specifications 14.1.1 Reflectors14.2Heater Specifications 14.2.1 Ignition 14.3 Suspension SpecificationsWARRANTY IS VOID IF ROBERTS-GORDONWILL PAY FORROBERTS-GORDONWILL NOT PAY FOR LIMITATIONS ON AUTHORITY OF REPRESENTATIVESPage Page Page