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Gas-Fired, Low-Intensity
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Infrared Heaters for
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TABLE OF CONTENTS SECTION 1: Before You Begin ...............................................1 1.1 Read This Manual ........................................................1 1.2 Questions, Comments or Suggestions.........................1 SECTION 2: Heater Safety......................................................2 SECTION 3: Introduction........................................................3 3.1 About Roberts-Gordon ................................................3 3.2 About the Heater.....
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TABLE OF FIGURES Figure 1: Components Identification .........................................4 Figure 2: Balanced Flue............................................................7 Figure 3: Thermostat Tag .........................................................9 Figure 4: Horizontal Installation............................................... 10 Figure 5: 45° Tilted Installation................................................ 10 Figure 6: Vent Terminal Clearances................................
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SECTION 1: BEFORE YOU BEGIN SECTION 1: BEFORE YOU BEGIN ® Thank you for purchasing a ROBERTS GORDON Keep this manual in a safe place in case you have heating product. We are pleased you have chosen any questions or require service in the future. Also, the CGTH Series overhead tube heater. In addition to since proof of purchase is required to obtain warranty the quality you receive from our company, you also coverage, keep the original sales receipt in a safe receive over 30 years of infrar
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CGTH USE AND CARE MANUAL SECTION 2: HEATER SAFETY Your Safety is Important to Us! This symbol is used throughout the manual to notify you of possi- ble fire, electrical or burn hazards. Please pay special attention when reading and following the warn- ings in these sections. Installation, Service and Annual Inspection of heater must be done by a contractor qualified in the installa- tion and service of gas-fired heating equipment.
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SECTION 3: INTRODUCTION SECTION 3: INTRODUCTION 3.1 About Roberts-Gordon lifted from the carton at the same time. The burner should be lifted by gripping the bottom. The reflector Roberts-Gordon pioneered low-intensity infrared of the heater should be lifted using the hanger. heating systems in 1962 with the introduction of its ® revolutionary custom-engineered CORAYVAC sys- 3.3.2 Safety tem. After more than 40 years of infrared expertise in #$% commercial and industrial applications,
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' ( CGTH USE AND CARE MANUAL 3.4 Components Identification FIGURE 1: Components Identification '(( )*+,, ' % % & % ! " #
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SECTION 3: INTRODUCTION Thermostat Connection - Two terminals to which aspects of the installation are unclear, consult your ® the thermostat wires will be connected. ROBERTS GORDON independent distributor for clarification. The installer must furnish all needed Power Cord - Includes a three-prong plug that must materials that are not furnished as standard equip- be connected to a dedicated and properly grounded ment. It is also the installer's responsibility to see that three-prong ceil
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CGTH USE AND CARE MANUAL SECTION 4: BEFORE USING THE HEATER The following information is included in the Installa- for checking system gas pressure. tion Manual and applies to the installer at the time of 4.2.3 Meter and Service installation. The warnings are included on the prod- Meter and service must be large enough to handle all uct. Because your safety is important to us, we the heaters being installed plus any other connected include these warnings for your information. If you load. T
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SECTION 4: BEFORE USING THE HEATER 4.4 Venting Requirements FIGURE 2: Balanced Flue The CGTH-Series heater must be installed with the )%
&' ( venting system supplied or with the optional venting kit available from Roberts-Gordon. DO NOT connect this heater to a separate chimney, and do not com- &' %
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mon vent with any other fuel burning appliance. The CGTH-Series heater employs a balanced flue/air venting duct system and must conform to the follow- )%
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CGTH USE AND CARE MANUAL tibles must be maintained from vehicles parked • Sufficient clearances will exist to allow for easy below the heater. access to the service door. • When installed over hoists, the required safe dis- • Overhead structural members (rafters, beams, etc.) tances from combustibles must be maintained from are accessible for attaching the heater. the uppermost point of the combustible materials placed on the hoist. 4.5.3 Hazardous Locations Where there is the possibility of
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' ( SECTION 5: USING THE HEATER SECTION 5: USING THE HEATER 5.1 Required Safe Distances from Combustibles Once your heater is installed by a licensed contrac- tor, you must remember to maintain the required safe distances from combustibles at all times. Combusti- bles are materials which may catch fire and include many common items such as your vehicle, wood and wood shavings, paper, rubber, fabrics, etc. Don’t for- get these materials could be in the form of liquids %
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'-./ CGTH USE AND CARE MANUAL Your heater may be installed in one of three ways: horizontal, 45° tilt left or 45° tilt right. Since the distances for the tilt installation are the same, the chart only shows one (the 45° tilt left). To determine the minimum required safe distances for your heater, you must know the mounting type and model number of your heater. FIGURE 4: Horizontal Installation ,/=$
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V V V SECTION 5: USING THE HEATER FIGURE 6: Vent Terminal Clearances G D A H E B B L B C I M B F J J B B Vent Terminal Air Supply Inlet Area Where Terminal Is Not Permitted 1 2 Canadian Installations US Installations Clearance above grade, veranda, A 12" (30 cm) 12" (30 cm) porch, deck, or balcony Clearance to B window or door that 12" 9" may be open Clearance to C permanently closed 12" 12" window Vertical clearance to ventilated soffit located above the terminal within a D 12" 12"
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CGTH USE AND CARE MANUAL Clearance to each side of center line 3' (91 cm) within a height 15' (4.5 m) above H extended above * the meter/regulator assembly meter/regulator assembly Clearance to I service regulator 3' (91 cm) * vent outlet Clearance to non- mechanical air supply inletto J building or the 12" (30 cm) 9" (23 cm) combustion air inlet to any other appliance Clearance to 3' (91 cm) above if within 10' (3 m) K mechanical air sup- 6' (1.83 m) horizontally ply inlet Clearance
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SECTION 5: USING THE HEATER 5.2 Protective Grille • Do not touch the heater • Keep all persons, especially children, away from the heater. • Use of protective grille (included with select models) is recommended. A protective grille is included with select models of the CGTH-Series heater. This grille is supplied in sections and must be installed on the underside of the reflector prior to operation. %
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9 The Model CGTH-30
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CGTH USE AND CARE MANUAL 5.3 Rear Movable Hanger Limits Figure 8 shows a typical installation of the CGTH- Series heater. The drawing specifies the allowable range of distance between the front fixed hanger and the rear movable hanger. The rear hangar should only be moved if the distance between both hangers is not within the allowable range. FIGURE 8: Typical Installation 0123"$4 5 '$%$ 5$%$ ? "$$ 6120."$45$%$ 9 " 9%
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