Roberts Gorden CTH2-100, CTH2-125, CTH2-80, CTH2-150, CTH2-175 Outside Combustion Air Supply

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CTH2-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

8.11 Outside Combustion Air Supply

IMPORTANT: If the building has a slight negative pressure or corrosive contaminants, such as haloge- nated hydrocarbons, are present in the air, an outside combustion air supply to the heater is required. Seal all combustion air pipe joints.

Use of optional outside combustion air is not recom-

mended with unvented heaters.

The air supply duct may have to be insulated to pre- vent condensation on the outer surface. The outside air terminal must not be more than 1' (31 cm) above the vent terminal.

8.11.1 Length Requirements

Follow the constraints listed on Page 35, Section 8.6.

8.11.2 Vertical Outside Air Supply for Single Heater Installation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Description

Part Number

 

 

 

 

 

 

 

 

 

 

 

 

Vent Cap 4" (10 cm)

90502300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8.11.3 Horizontal Outside Air Supply for Single Heater Installation

Vent Cap

 

4" (10 cm)

Wall

Single Wall Pipe

 

 

Flex Hose

 

(Recommended)

 

Burner

 

Band Clamp

 

(Recommended)

Description

Part Number

Vent Cap 4" (10 cm)

90502300

 

 

38

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Contents Vantage Page Roberts-Gordon LLC Page Table of Figures Page Heater Safety Manpower RequirementsSafety Labels and Their Placement California PropositionTop and Bottom Panel Label Placement Side and Back Panel Label Placement Installer Responsibility Wall TagCorrosive Chemicals National Standards and Applicable CodesStandard Reflector Inches Centimeters ModelONE Side Reflector Inches C D UnapprovedFoot Deco Grille and Protective Grille National Standards and Applicable Codes Major Components Standard Parts List Contents of the Burner Carton Contents of Core and Extension Packages30’ 9m Heater Installation Typical Suspension Details Linear Heater Assembly Overview Linear Heater Layout Overview Linear Heater Layout Overview Burner Tube Installation Tube Clamp Package InstallationCoupling and Tube Assembly 1 Coupling and Tube Assembly2 Coupling and Tube Assembly Turbulator InstallationReflector Installation By a reflector, except for a U-Tube1 Reflector, U-Clip and Reflector Support Installation Description Part Number Reflector Support PackageBurner Installation Window facing downOptional Heater Accessories Tube ConfigurationTube Heater Assembly Overview Tube Heater Layout Overview Tube Length 3 Reflector Joint Installation Elbow Package Configuration .2.1 Elbow Installation2 Elbow Installation 4 Reflector Joint Installation 5 Reflector Joint Detail Reflector Joint DetailReflector Side Extension .3.1 Bracket Installation 2 Side Reflector InstallationScr ews 2 Frame Shield Installation Distance a Extension2 Grille End Cap Installation 3 Grille InstallationGeneral Venting Requirements United States RequirementsCanadian Requirements Unvented OperationHorizontal Venting Vertical VentingUnvented Operation Tube Termination Length RequirementsVertical Ventilation 4 10 cm Pipe Common Sidewall VentingCommon Vertical Venting Vertical Outside Air Supply for Single Heater Installation Outside Combustion Air SupplyVertical Outside Air Supply for Double Heater Installation Horizontal Outside Air Supply for Double Heater InstallationGAS Piping Correct Positions Low Voltage Thermostat with One Burner WiringLine Voltage Thermostat Wiring Low Voltage Thermostat Wiring with Multiple Burners Internal WiringLadder Diagram Electrical Connection to the BurnerOperation and Maintenance Pre-Season Maintenance and Annual InspectionSequence of Operation To Shut Off HeaterVicinity of the Heater Vehicles and OtherObjects Vent PipeSafety Labels Gas LineBurner Observation WindowTroubleshooting Honeywell SmartValve II Troubleshooting LED Status IndicatesTroubleshooting Flow Chart Troubleshooting Manifold Gas Pressure Setting Top View of HeaterReplacement Parts Motor and Blower Assembly Blower Inlet Gasket Door Switch Description Part Number General Specifications DimensionsGAS Pressure AT Manifold Pipe ConnectionLimitations on Authority Representatives Warranty is Void if ROBERTS-GORDON will not PAY forPage Page Page
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CTH2-40 CTH2-60, CTH2-175, CTH2-150, CTH2-100, CTH2-80 specifications

Roberts Gorden is a reputable name in the field of heating and energy efficiency, and its CTH2 series of infrared radiant heaters—including the CTH2-150, CTH2-80, CTH2-125, CTH2-100, and CTH2-175—are a testament to innovation and quality. Designed for commercial and industrial spaces, these heaters provide effective and efficient heating solutions tailored to various needs.

The CTH2 series employs advanced infrared heating technology, which radiates warmth directly to objects and individuals in the space rather than heating the air. This method ensures rapid heat-up times and energy conservation, making the heaters ideal for workshops, warehouses, and other large areas where traditional heating systems may be inefficient.

One of the main features of the CTH2 series is its high thermal efficiency. The heaters convert a significant portion of the energy consumed into usable heat, resulting in lower operational costs and a reduced carbon footprint. The CTH2 models utilize durable components designed to withstand the rigors of industrial environments, ensuring longevity and reliable performance.

The CTH2-150, CTH2-80, CTH2-125, CTH2-100, and CTH2-175 models vary in output capacity and design, providing flexibility for different heating requirements. The maximum heat output ranges significantly among the models, with the CTH2-175 offering the highest thermal output, making it suitable for larger spaces or areas requiring immediate and intense heating. Conversely, the CTH2-80 is ideal for smaller areas or those that require less heat.

Installation versatility is another key characteristic of the CTH2 series. These heaters can be mounted from the ceiling or installed horizontally or vertically, accommodating different building layouts and operational needs. The heaters are also designed for easy maintenance, featuring accessible components to facilitate routine checks and repairs.

The CTH2 series incorporates safety features such as overheat protection and flame safeguard systems, ensuring safe operation even in busy industrial settings. Additionally, their sleek and modern design allows them to integrate seamlessly with existing infrastructure without detracting from the overall aesthetic of the space.

In conclusion, Roberts Gorden’s CTH2 series—including the CTH2-150, CTH2-80, CTH2-125, CTH2-100, and CTH2-175—represents a pinnacle of infrared heating technology. With their impressive efficiency, customizable output, versatile installation options, and robust safety features, these heaters are a reliable choice for any commercial or industrial heating requirement.