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Roberts Gorden
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Gas Heater
Roberts Gorden
CTH2-175, CTH2-125, CTH2-80, CTH2-100, CTH2-150, CTH2-40 CTH2-60 service manual
Models:
CTH2-40 CTH2-60
CTH2-175
CTH2-150
CTH2-100
CTH2-80
CTH2-125
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Troubleshooting
Specs
Install
Ladder Diagram
Safety Labels and Their Placement
Warranty
Maintenance
U-TubeConfiguration
Clearances to Combustibles Label Wiring Label
Coupling Assembly
Page 4
Image 4
Page 3
Page 5
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Image 4
Page 3
Page 5
Contents
Installation, Operation &
Service Manual
Vantage
Gas-Fired,Low Intensity
Page
TABLE OF CONTENTS
2012 Roberts-GordonLLC
Page
TABLE OF FIGURES
LIST OF TABLES
Page
SECTION 1: HEATER SAFETY
1.1 Manpower Requirements
1.2 Safety Labels and Their Placement
1.3 California Proposition
FIGURE 1: Top and Bottom Panel Label Placement
Logo Label
Bottom
Rating Plate Label
FIGURE 2: Side and Back Panel Label Placement
Clearances to Combustibles Label Wiring Label
Control Side Panel Control Side Panel Inside
Thermostat Connection Label Back Panel
SECTION 2: INSTALLER RESPONSIBILITY
2.1 Wall Tag
2.2 Corrosive Chemicals
2.3 National Standards and Applicable Codes
FIGURE 3: STANDARD REFLECTOR
inches
centimeters
Model
FIGURE 4: ONE SIDE REFLECTOR
FIGURE 6 45 TILT REFLECTOR
inches
centimeters
FIGURE 7: U-TUBE,STANDARD REFLECTOR
inches A B C D UNAPPROVED
centimeters A B C D UNAPPROVED
FIGURE 8: U-TUBE,45
FIGURE 11: LOWER CLEARANCE SHIELD
FIGURE 12: VENTING
inches
centimeters
4.1 Gas Codes
4.2 Aircraft Hangars
4.3 Public Garages
4.4 Electrical
Coupling Assembly
Reflector Support Strap & Wire Form
SECTION 5: MAJOR COMPONENTS
FIGURE 13: Major Component Descriptions
5.1 Standard Parts List
Table 1: Contents of the Burner Carton
Table 2: Contents of Core and Extension Packages
Part No
Table 3: Component Package Guide
Tubing Length
Core Packages
Minimum
SECTION 6: HEATER INSTALLATION
FIGURE 14: Critical Hanger Placement
Typical Suspension Details
FIGURE 15: Linear Heater Assembly Overview
Tube Clamp Package
FIGURE 16: Linear Heater Layout Overview
LEGEND
50 Tube Length
60 Tube Length
70 Tube Length
80 Tube Length
Step 6.1 Burner Tube Installation
Step 6.2 Tube Clamp Package Installation
Tube Clamp
Bolt
Step 6.3 Coupling and Tube Assembly
Step 6.3.1 Coupling and Tube Assembly Continued
± 2 5 cm
Description
Step 6.4 Turbulator Installation
Step 6.3.2 Coupling and Tube Assembly Continued
w i s t
Step 6.5 Reflector Installation
SECTION 6: HEATER INSTALLATION
Fire Hazard
Reflector must not touch tube
The 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 INSTALLATION
with the flame observation
Description
SECTION 7: OPTIONAL HEATER ACCESSORIES
7.1 U-TubeConfiguration
FIGURE 18: U-TubeHeater Assembly Overview
SECTION 7: OPTIONAL HEATER ACCESSORIES
FIGURE 19: U-TubeHeater Layout Overview
FIGURE 20 U-TubeHeater Layout Overview Continued
50 Tube Length
60 Tube Length
70 Tube Length
Step 7.2.2 Elbow Installation
Step 7.2.3 Reflector Joint Installation
Burner and Elbow
Model
Step 7.2.4 Reflector Joint Installation
Step 7.2.5 Reflector Joint Detail
FIGURE 21: Reflector Joint Detail
SECTION 7: OPTIONAL HEATER ACCESSORIES
Step 7.3.2 Side Reflector Installation
Reflector
Step 7.5.2 Frame Shield Installation
Description
Distance A
Extension
Step 7.6.2 Grille End Cap Installation
Step 7.6.3 Grille Installation
SECTION 8: VENTING
8.1 General Venting Requirements
8.1.1 United States Requirements
8.1.2 Canadian Requirements
8.3 Horizontal Venting
8.4 Vertical Venting
8.5 Unvented Operation Tube Termination
8.6 Length Requirements
8.8 Vertical Ventilation 4 10 cm Pipe
Step 8.9 Common Sidewall Venting
Requirements
•Heaters must be of the same BTU output
8.10 Common Vertical Venting
Requirements
•Heaters must be of the same BTU output
SECTION 8: VENTING
8.11 Outside Combustion Air Supply
8.11.1 Length Requirements
Requirements
Requirements
SECTION 9 GAS PIPING
FIGURE 23: Gas Connection with Flexible Gas Hose
when attaching gas hose
INCORRECT POSITIONS WRONG INSTALLATION
CORRECT POSITIONS
SECTION 10: WIRING
10.1 Line Voltage Thermostat Wiring
DANGER
10.2 Low Voltage Thermostat with One Burner
10.4 Internal Wiring
Transformer Relay
FRONT VIEW
BACK VIEW
10.5 Ladder Diagram
10.6 Electrical Connection to the Burner
SECTION 11: OPERATION AND MAINTENANCE
11.4Pre-SeasonMaintenance and Annual Inspection
11.1 Sequence of Operation
11.2 To Shut Off Heater
11.5 Maintenance Checklist
Installation Code and Annual Inspections
The Vicinity of the Heater
See Page 5, Section
Safety Labels
Gas Line
Burner Observation
Window
SECTION 12: TROUBLESHOOTING
DANGER
12.1 Honeywell SmartValve II Troubleshooting
LED Status
Indicates
Section
12.2 Troubleshooting Flow Chart
SECTION 12: TROUBLESHOOTING
12.3 Manifold Gas Pressure Setting
Natural Propane
Top View of Heater
Orifice
SECTION 13: REPLACEMENT PARTS
SECTION 13: REPLACEMENT PARTS
DANGER
Motor and Blower Assembly
Description
Part Number
SECTION 14: GENERAL SPECIFICATIONS
14.1Material Specifications 14.1.1 Reflectors
14.2Heater Specifications 14.2.1 Ignition
14.3 Suspension Specifications
WARRANTY IS VOID IF
ROBERTS-GORDONWILL PAY FOR
ROBERTS-GORDONWILL NOT PAY FOR
LIMITATIONS ON AUTHORITY OF REPRESENTATIVES
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