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Gas Heater
Roberts Gorden
CTH2-40 CTH2-60, CTH2-125, CTH2-80, CTH2-100, CTH2-150, CTH2-175 service manual
Models:
CTH2-40 CTH2-60
CTH2-175
CTH2-150
CTH2-100
CTH2-80
CTH2-125
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Troubleshooting
Specifications
Install
Ladder Diagram
Safety Labels and Their Placement
Warranty
Maintenance
U-TubeConfiguration
Clearances to Combustibles Label Wiring Label
Coupling Assembly
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Contents
Service Manual
Installation, Operation &
Vantage
Gas-Fired,Low Intensity
Page
2012 Roberts-GordonLLC
TABLE OF CONTENTS
Page
LIST OF TABLES
TABLE OF FIGURES
Page
1.1 Manpower Requirements
SECTION 1: HEATER SAFETY
1.2 Safety Labels and Their Placement
1.3 California Proposition
Logo Label
FIGURE 1: Top and Bottom Panel Label Placement
Bottom
Rating Plate Label
Clearances to Combustibles Label Wiring Label
FIGURE 2: Side and Back Panel Label Placement
Control Side Panel Control Side Panel Inside
Thermostat Connection Label Back Panel
2.1 Wall Tag
SECTION 2: INSTALLER RESPONSIBILITY
2.2 Corrosive Chemicals
2.3 National Standards and Applicable Codes
inches
FIGURE 3: STANDARD REFLECTOR
centimeters
Model
FIGURE 6 45 TILT REFLECTOR
FIGURE 4: ONE SIDE REFLECTOR
inches
centimeters
inches A B C D UNAPPROVED
FIGURE 7: U-TUBE,STANDARD REFLECTOR
centimeters A B C D UNAPPROVED
FIGURE 8: U-TUBE,45
FIGURE 12: VENTING
FIGURE 11: LOWER CLEARANCE SHIELD
inches
centimeters
4.2 Aircraft Hangars
4.1 Gas Codes
4.3 Public Garages
4.4 Electrical
Reflector Support Strap & Wire Form
Coupling Assembly
SECTION 5: MAJOR COMPONENTS
FIGURE 13: Major Component Descriptions
Table 1: Contents of the Burner Carton
5.1 Standard Parts List
Table 2: Contents of Core and Extension Packages
Part No
Tubing Length
Table 3: Component Package Guide
Core Packages
Minimum
SECTION 6: HEATER INSTALLATION
Typical Suspension Details
FIGURE 14: Critical Hanger Placement
Tube Clamp Package
FIGURE 15: Linear Heater Assembly Overview
LEGEND
FIGURE 16: Linear Heater Layout Overview
60 Tube Length
50 Tube Length
70 Tube Length
80 Tube Length
Step 6.2 Tube Clamp Package Installation
Step 6.1 Burner Tube Installation
Tube Clamp
Bolt
Step 6.3.1 Coupling and Tube Assembly Continued
Step 6.3 Coupling and Tube Assembly
± 2 5 cm
Description
w i s t
Step 6.3.2 Coupling and Tube Assembly Continued
Step 6.4 Turbulator Installation
SECTION 6: HEATER INSTALLATION
Step 6.5 Reflector 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
SECTION 6: HEATER INSTALLATION
Step 6.6 Burner Installation
with the flame observation
Description
7.1 U-TubeConfiguration
SECTION 7: OPTIONAL HEATER ACCESSORIES
SECTION 7: OPTIONAL HEATER ACCESSORIES
FIGURE 18: U-TubeHeater Assembly Overview
FIGURE 19: U-TubeHeater Layout Overview
50 Tube Length
FIGURE 20 U-TubeHeater Layout Overview Continued
60 Tube Length
70 Tube Length
Step 7.2.3 Reflector Joint Installation
Step 7.2.2 Elbow Installation
Burner and Elbow
Model
Step 7.2.5 Reflector Joint Detail
Step 7.2.4 Reflector Joint Installation
FIGURE 21: Reflector Joint Detail
SECTION 7: OPTIONAL HEATER ACCESSORIES
Step 7.3.2 Side Reflector Installation
Reflector
Description
Step 7.5.2 Frame Shield Installation
Distance A
Extension
Step 7.6.3 Grille Installation
Step 7.6.2 Grille End Cap Installation
8.1 General Venting Requirements
SECTION 8: VENTING
8.1.1 United States Requirements
8.1.2 Canadian Requirements
8.4 Vertical Venting
8.3 Horizontal Venting
8.5 Unvented Operation Tube Termination
8.6 Length Requirements
Step 8.9 Common Sidewall Venting
8.8 Vertical Ventilation 4 10 cm Pipe
Requirements
•Heaters must be of the same BTU output
Requirements
8.10 Common Vertical Venting
•Heaters must be of the same BTU output
SECTION 8: VENTING
8.11.1 Length Requirements
8.11 Outside Combustion Air Supply
Requirements
Requirements
SECTION 9 GAS PIPING
when attaching gas hose
FIGURE 23: Gas Connection with Flexible Gas Hose
INCORRECT POSITIONS WRONG INSTALLATION
CORRECT POSITIONS
10.1 Line Voltage Thermostat Wiring
SECTION 10: WIRING
DANGER
10.2 Low Voltage Thermostat with One Burner
Transformer Relay
10.4 Internal Wiring
FRONT VIEW
BACK VIEW
10.6 Electrical Connection to the Burner
10.5 Ladder Diagram
11.4Pre-SeasonMaintenance and Annual Inspection
SECTION 11: OPERATION AND MAINTENANCE
11.1 Sequence of Operation
11.2 To Shut Off Heater
Installation Code and Annual Inspections
11.5 Maintenance Checklist
The Vicinity of the Heater
See Page 5, Section
Gas Line
Safety Labels
Burner Observation
Window
DANGER
SECTION 12: TROUBLESHOOTING
LED Status
12.1 Honeywell SmartValve II Troubleshooting
Indicates
Section
12.2 Troubleshooting Flow Chart
SECTION 12: TROUBLESHOOTING
Natural Propane
12.3 Manifold Gas Pressure Setting
Top View of Heater
Orifice
DANGER
SECTION 13: REPLACEMENT PARTS
SECTION 13: REPLACEMENT PARTS
Motor and Blower Assembly
Part Number
Description
14.1Material Specifications 14.1.1 Reflectors
SECTION 14: GENERAL SPECIFICATIONS
14.2Heater Specifications 14.2.1 Ignition
14.3 Suspension Specifications
ROBERTS-GORDONWILL PAY FOR
WARRANTY IS VOID IF
ROBERTS-GORDONWILL NOT PAY FOR
LIMITATIONS ON AUTHORITY OF REPRESENTATIVES
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