Manuals / Roberts Gorden / Household Appliance / Gas Heater

Roberts Gorden CTH2-125 Component Package Guide, Tubing Length, Core Packages, Minimum, Standard

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

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CTH2-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

Table 3: Component Package Guide

Model	Tubing Length	Core Packages

	Minimum	Standard	Aluminized
	Minimum	Standard	Aluminized

CTH2-40	10’ (3m)	-	CP10ALUM

CTH2-60	20’ (6m)	CP20HRS	CP20ALUM

CTH2-80	20’ (6m)	CP20HRS	CP20ALUM

CTH2-100	30’ (9m)	CP30HRS	CP30ALUM

CTH2-125	40’ (12m)	CP40HRS	CP40ALUM

CTH2-150	50’ (15m)	CP30HRS + EXP20HRS	CP30ALUM + EXP20ALUM

CTH2-175	60’ (18m)	CP30HRS + EXP30HRS	CP30ALUM + EXP30ALUM

Additional tubing length may be added to heater. Tubing must be heat-treated, aluminized or porcelain coated. Any additional tubing lengths are considered as vent length for length determination. Maximum venting length for minimum heater length is 45' (13.7 m) total.

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Roberts Gorden CTH2-125 Component Package Guide, Tubing Length, Core Packages, Minimum, Standard, Aluminized, Model

Contents

Vantage Installation, Operation &Service Manual Gas-Fired,Low IntensityPage TABLE OF CONTENTS 2012 Roberts-GordonLLCPage TABLE OF FIGURES LIST OF TABLESPage 1.2 Safety Labels and Their Placement SECTION 1: HEATER SAFETY1.1 Manpower Requirements 1.3 California PropositionBottom FIGURE 1: Top and Bottom Panel Label PlacementLogo Label Rating Plate LabelControl Side Panel Control Side Panel Inside FIGURE 2: Side and Back Panel Label PlacementClearances to Combustibles Label Wiring Label Thermostat Connection Label Back Panel2.2 Corrosive Chemicals SECTION 2: INSTALLER RESPONSIBILITY2.1 Wall Tag 2.3 National Standards and Applicable Codescentimeters FIGURE 3: STANDARD REFLECTORinches Modelinches FIGURE 4: ONE SIDE REFLECTORFIGURE 6 45 TILT REFLECTOR centimeterscentimeters A B C D UNAPPROVED FIGURE 7: U-TUBE,STANDARD REFLECTORinches A B C D UNAPPROVED FIGURE 8: U-TUBE,45inches FIGURE 11: LOWER CLEARANCE SHIELDFIGURE 12: VENTING centimeters4.3 Public Garages 4.1 Gas Codes4.2 Aircraft Hangars 4.4 ElectricalSECTION 5: MAJOR COMPONENTS Coupling AssemblyReflector Support Strap & Wire Form FIGURE 13: Major Component DescriptionsTable 2: Contents of Core and Extension Packages 5.1 Standard Parts ListTable 1: Contents of the Burner Carton Part NoCore Packages Table 3: Component Package GuideTubing Length 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 LEGEND70 Tube Length 50 Tube Length60 Tube Length 80 Tube LengthTube Clamp Step 6.1 Burner Tube InstallationStep 6.2 Tube Clamp Package Installation Bolt± 2 5 cm Step 6.3 Coupling and Tube AssemblyStep 6.3.1 Coupling and Tube Assembly Continued DescriptionStep 6.3.2 Coupling and Tube Assembly Continued Step 6.4 Turbulator Installationw i s t Fire Hazard Step 6.5 Reflector InstallationSECTION 6: HEATER INSTALLATION 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 with the flame observation Step 6.6 Burner InstallationSECTION 6: HEATER INSTALLATION DescriptionSECTION 7: OPTIONAL HEATER ACCESSORIES 7.1 U-TubeConfigurationFIGURE 18: U-TubeHeater Assembly Overview SECTION 7: OPTIONAL HEATER ACCESSORIESFIGURE 19: U-TubeHeater Layout Overview 60 Tube Length FIGURE 20 U-TubeHeater Layout Overview Continued50 Tube Length 70 Tube LengthBurner and Elbow Step 7.2.2 Elbow InstallationStep 7.2.3 Reflector Joint Installation ModelFIGURE 21: Reflector Joint Detail Step 7.2.4 Reflector Joint InstallationStep 7.2.5 Reflector Joint Detail SECTION 7: OPTIONAL HEATER ACCESSORIESStep 7.3.2 Side Reflector Installation Reflector Distance A Step 7.5.2 Frame Shield InstallationDescription ExtensionStep 7.6.2 Grille End Cap Installation Step 7.6.3 Grille Installation8.1.1 United States Requirements SECTION 8: VENTING8.1 General Venting Requirements 8.1.2 Canadian Requirements8.5 Unvented Operation Tube Termination 8.3 Horizontal Venting8.4 Vertical Venting 8.6 Length RequirementsRequirements 8.8 Vertical Ventilation 4 10 cm PipeStep 8.9 Common Sidewall Venting •Heaters must be of the same BTU output•Heaters must be of the same BTU output 8.10 Common Vertical VentingRequirements SECTION 8: VENTING8.11 Outside Combustion Air Supply 8.11.1 Length RequirementsRequirements RequirementsSECTION 9 GAS PIPING INCORRECT POSITIONS WRONG INSTALLATION FIGURE 23: Gas Connection with Flexible Gas Hosewhen attaching gas hose CORRECT POSITIONSDANGER SECTION 10: WIRING10.1 Line Voltage Thermostat Wiring 10.2 Low Voltage Thermostat with One BurnerFRONT VIEW 10.4 Internal WiringTransformer Relay BACK VIEW10.5 Ladder Diagram 10.6 Electrical Connection to the Burner11.1 Sequence of Operation SECTION 11: OPERATION AND MAINTENANCE11.4Pre-SeasonMaintenance and Annual Inspection 11.2 To Shut Off HeaterThe Vicinity of the Heater 11.5 Maintenance ChecklistInstallation Code and Annual Inspections See Page 5, SectionBurner Observation Safety LabelsGas Line WindowSECTION 12: TROUBLESHOOTING DANGERIndicates 12.1 Honeywell SmartValve II TroubleshootingLED Status Section12.2 Troubleshooting Flow Chart SECTION 12: TROUBLESHOOTING Top View of Heater 12.3 Manifold Gas Pressure SettingNatural Propane OrificeSECTION 13: REPLACEMENT PARTS SECTION 13: REPLACEMENT PARTSDANGER Motor and Blower Assembly Description Part Number14.2Heater Specifications 14.2.1 Ignition SECTION 14: GENERAL SPECIFICATIONS14.1Material Specifications 14.1.1 Reflectors 14.3 Suspension SpecificationsROBERTS-GORDONWILL NOT PAY FOR WARRANTY IS VOID IFROBERTS-GORDONWILL PAY FOR LIMITATIONS ON AUTHORITY OF REPRESENTATIVESPage Page Page

Table 3: Component Package Guide

Tubing Length

Core Packages

Minimum

Standard

Aluminized