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Roberts Gorden
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Gas Heater
Roberts Gorden
CTH2-175 Natural Propane, Manifold Gas Pressure Setting, Top View of Heater
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
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CTH2-S
ERIES
I
NSTALLATION
, O
PERATION AND
S
ERVICE
M
ANUAL
12.3 Manifold Gas Pressure Setting
Orifice
Top View of Heater
Manometer
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5
4
3
2
1
0
1
2
3
4
5
6
3.5"
6
5
4
3
2
1
0
1
2
3
4
5
6
10.5"
Natural Propane
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Contents
Vantage
Installation, Operation &
Service Manual
Gas-Fired,Low Intensity
Page
TABLE OF CONTENTS
2012 Roberts-GordonLLC
Page
TABLE OF FIGURES
LIST OF TABLES
Page
1.2 Safety Labels and Their Placement
SECTION 1: HEATER SAFETY
1.1 Manpower Requirements
1.3 California Proposition
Bottom
FIGURE 1: Top and Bottom Panel Label Placement
Logo Label
Rating Plate Label
Control Side Panel Control Side Panel Inside
FIGURE 2: Side and Back Panel Label Placement
Clearances to Combustibles Label Wiring Label
Thermostat Connection Label Back Panel
2.2 Corrosive Chemicals
SECTION 2: INSTALLER RESPONSIBILITY
2.1 Wall Tag
2.3 National Standards and Applicable Codes
centimeters
FIGURE 3: STANDARD REFLECTOR
inches
Model
inches
FIGURE 4: ONE SIDE REFLECTOR
FIGURE 6 45 TILT REFLECTOR
centimeters
centimeters A B C D UNAPPROVED
FIGURE 7: U-TUBE,STANDARD REFLECTOR
inches A B C D UNAPPROVED
FIGURE 8: U-TUBE,45
inches
FIGURE 11: LOWER CLEARANCE SHIELD
FIGURE 12: VENTING
centimeters
4.3 Public Garages
4.1 Gas Codes
4.2 Aircraft Hangars
4.4 Electrical
SECTION 5: MAJOR COMPONENTS
Coupling Assembly
Reflector Support Strap & Wire Form
FIGURE 13: Major Component Descriptions
Table 2: Contents of Core and Extension Packages
5.1 Standard Parts List
Table 1: Contents of the Burner Carton
Part No
Core Packages
Table 3: Component Package Guide
Tubing Length
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
70 Tube Length
50 Tube Length
60 Tube Length
80 Tube Length
Tube Clamp
Step 6.1 Burner Tube Installation
Step 6.2 Tube Clamp Package Installation
Bolt
± 2 5 cm
Step 6.3 Coupling and Tube Assembly
Step 6.3.1 Coupling and Tube Assembly Continued
Description
Step 6.4 Turbulator Installation
Step 6.3.2 Coupling and Tube Assembly Continued
w i s t
Fire Hazard
Step 6.5 Reflector Installation
SECTION 6: HEATER INSTALLATION
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
with the flame observation
Step 6.6 Burner Installation
SECTION 6: HEATER INSTALLATION
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
60 Tube Length
FIGURE 20 U-TubeHeater Layout Overview Continued
50 Tube Length
70 Tube Length
Burner and Elbow
Step 7.2.2 Elbow Installation
Step 7.2.3 Reflector Joint Installation
Model
FIGURE 21: Reflector Joint Detail
Step 7.2.4 Reflector Joint Installation
Step 7.2.5 Reflector Joint Detail
SECTION 7: OPTIONAL HEATER ACCESSORIES
Step 7.3.2 Side Reflector Installation
Reflector
Distance A
Step 7.5.2 Frame Shield Installation
Description
Extension
Step 7.6.2 Grille End Cap Installation
Step 7.6.3 Grille Installation
8.1.1 United States Requirements
SECTION 8: VENTING
8.1 General Venting Requirements
8.1.2 Canadian Requirements
8.5 Unvented Operation Tube Termination
8.3 Horizontal Venting
8.4 Vertical Venting
8.6 Length Requirements
Requirements
8.8 Vertical Ventilation 4 10 cm Pipe
Step 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 Venting
Requirements
SECTION 8: VENTING
8.11 Outside Combustion Air Supply
8.11.1 Length Requirements
Requirements
Requirements
SECTION 9 GAS PIPING
INCORRECT POSITIONS WRONG INSTALLATION
FIGURE 23: Gas Connection with Flexible Gas Hose
when attaching gas hose
CORRECT POSITIONS
DANGER
SECTION 10: WIRING
10.1 Line Voltage Thermostat Wiring
10.2 Low Voltage Thermostat with One Burner
FRONT VIEW
10.4 Internal Wiring
Transformer Relay
BACK VIEW
10.5 Ladder Diagram
10.6 Electrical Connection to the Burner
11.1 Sequence of Operation
SECTION 11: OPERATION AND MAINTENANCE
11.4Pre-SeasonMaintenance and Annual Inspection
11.2 To Shut Off Heater
The Vicinity of the Heater
11.5 Maintenance Checklist
Installation Code and Annual Inspections
See Page 5, Section
Burner Observation
Safety Labels
Gas Line
Window
SECTION 12: TROUBLESHOOTING
DANGER
Indicates
12.1 Honeywell SmartValve II Troubleshooting
LED Status
Section
12.2 Troubleshooting Flow Chart
SECTION 12: TROUBLESHOOTING
Top View of Heater
12.3 Manifold Gas Pressure Setting
Natural Propane
Orifice
SECTION 13: REPLACEMENT PARTS
SECTION 13: REPLACEMENT PARTS
DANGER
Motor and Blower Assembly
Description
Part Number
14.2Heater Specifications 14.2.1 Ignition
SECTION 14: GENERAL SPECIFICATIONS
14.1Material Specifications 14.1.1 Reflectors
14.3 Suspension Specifications
ROBERTS-GORDONWILL NOT PAY FOR
WARRANTY IS VOID IF
ROBERTS-GORDONWILL PAY FOR
LIMITATIONS ON AUTHORITY OF REPRESENTATIVES
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