Roberts Gorden CTCU 15 Heater Safety, Installer Responsibility, Clearances to Combustibles

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COMBAT® CTCU UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

SECTION 1: HEATER SAFETY

Your Safety is Important to Us! This symbol is used throughout the manual to notify you of possible fire, electrical or burn hazards. Please pay special attention when reading and following the warnings in these sections.

Installation, service and annual inspection of heater must be done by a registered installer/contractor qualified in the installation and service of gas-fired heating equipment.

Read this manual carefully before installation, operation, or service of this equipment.

This heater is designed for heating non-residential indoor spaces. Do not install in residential spaces. These instructions, the layout drawing, local codes and ordinances and applicable standards that apply to gas piping, electrical wiring, venting, etc. must be thoroughly understood before proceeding with the installation.

SECTION 2: INSTALLER RESPONSIBILITY

To install the heater, as well as the gas and elec- trical supplies, in accordance with applicable specifications and codes. Roberts-Gordon recommends the installer contact a local building inspector, Fire Officer or insurance company for guidance.

To use the information given in the manual together with the local and national codes to perform the installation.

To install the heater in accordance with the clearances to combustibles of this heater.

To furnish all needed materials not furnished

as standard equipment.

To plan location of supports, flues and air intakes.

To provide access to burners for servicing.

To provide the owner with a copy of this Installation, Commissioning, Operation and Service Manual.

To never use heater as support for ladder or other access equipment and never hang or suspend anything from heater.

To ensure that there is sufficient ventilation in the area to comply with the requirements of

all relevant local and national codes.

2.1 Clearances to Combustibles

In all situations, clearances to combustibles must be maintained. Caution must be used when running the heater near combustible materials such as wood, paper, rubber, etc. A wall tag is on the back cover of this manual as a permanent reminder of the safety instructions and the importance of the required

clearances to combustibles. Affix the tag on a wall near the heater.

2.2 Corrosive Chemicals

CAUTION

Do not use heater in an area containing corrosive chemicals.

Corrosive chemicals will damage the burner and heat exchanger parts.

Failure to follow these instructions can result in property damage.

Roberts-Gordon cannot be responsible for ensuring that all appropriate safety measures are undertaken prior to installation; this is entirely the responsibility of the installer. It is essential that the contractor, the sub-contractor, or the owner identifies the presence of combustible materials, corrosive chemicals or halogenated hydrocarbons* anywhere in the premises.

*Halogenated Hydrocarbons are a family of chemical compounds characterized by the presence of halogen elements (fluorine, chlorine, bromine, etc.). These compounds are frequently used in refrigerants, cleaning agents, solvents, etc. If these compounds enter the air supply of the burner, the lifespan of the heater components will be greatly reduced. Warranty will be invalid if the heater is exposed to halogenated hydrocarbons.

2.3 National Standards and Applicable Codes

All appliances must be installed in accordance with the latest revision of applicable standards and local and national codes. This refers also to the electric, gas and venting installation. Note: Additional standards for installations in public garages, aircraft hangars, etc. may be applicable.

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Contents Mbat Page Roberts-Gordon, LLC Page Table of Figures Page Product Approval Heater Safety Installer ResponsibilityClearances to Combustibles Corrosive ChemicalsMinimum Required Installation Clearances Critical Considerations 3.1 Basic InformationFlue VentilationInstallation Clearances and Clearances to Combustibles Specifications 4.1 Ctcua All Models Dimension Data Ctcua All ModelsGeneral Technical Data Table All Models CTCU-7 CTCU-11 CTCU-15 CTCU-22Heater Installation 5.1 General Shelf Mounting and SuspensionShelf Mounting and Hanging Suspension Flue Installation Flue InstallationChanging Flue and Air Intake Orientation Type B22 ApplianceVertical and Horizontal Flue Termination Type B22 Appliance Room Sealed Installation Open Flued InstallationHeaters Installed Within the Heated Space AIR SupplyGAS Piping ConnectionsWiring and Electrical Information Remote ControlsBurner Controls Thermostat Remote Fan ControlsSite Wiring Ctcua Wiring Diagram Models 7Commissioning LouvresMechanical Checks Begin Commissioning Before Operating the HeaterAutomatic Burner Control Box Sequence Combustion Testing Pressure SwitchCheck Gas Rate Turning Off the HeaterBurner Lockout Reset Button Heater OperationCommon User Controls 11.3.1 Fan Thermostat Limit ThermostatTo Turn the Heater Off Simple Fault FindingSimple Fault Finding Burner Faults Burner Maintenance 12.3 Fan/Motor Assembly MaintenanceHeat Exchanger Maintenance Gas Control Valve MaintenanceGas Valves Conversion Between Gases 13.1 GeneralBurner Conversion Conduct Commissioning procedure as shown on Page 15, Section Troubleshooting For Automatic Ignition Burner Systems Turn on controlsTroubleshooting for Flame Supervision System StartTroubleshooting for Solenoid Valves Troubleshooting for Main FanGas Valve Removal and Replacement PartsBurner Components Burner Compartment Burner InjectorsIgnition Electrode and Flame Probe Flue Fan Vertical Installation 041 Ctcua Axial Fan/Guard/Motor Assembly Fan Removal and ReplacementFan and Limit Thermostats 15.8.1 Removal and Replacement To Replace the Fan AssemblyPage Page Some objects can catch fire or explode when placed
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CTCU 7, CTCU 22, CTCU 11, CTCU 15, CTCU specifications

Roberts Gorden offers a diverse range of high-performance make-up air units known as the CTCU series, which includes models CTCU 22, CTCU 15, CTCU 7, CTCU 27, and CTCU 11. Each model is designed to deliver efficient and reliable air management solutions for various industrial and commercial applications.

The CTCU 22 is renowned for its robust construction and powerful performance, providing exceptional air flow rates that can accommodate larger facilities. It features a high-efficiency heat exchanger and a multi-stage filtration system that ensures optimal indoor air quality while reducing energy consumption. This model is particularly beneficial for environments requiring high volumes of tempered air, making it ideal for manufacturing plants and warehouses.

CTCU 15, on the other hand, is slightly smaller yet offers remarkable versatility. With an integrated control system, it can easily adapt to changing operational demands, making it a preferred choice for businesses that experience variable occupancy levels. Its quiet operation minimizes workplace noise, and its energy-efficient design significantly cuts operational costs.

CTCU 7 is specifically engineered for smaller spaces without compromising performance. This unit features compact dimensions while still delivering adequate air flow for localized heating and ventilation needs. The advanced temperature control algorithms allow for precise adjustments, ensuring a comfortable environment even in tight areas.

CTCU 27 stands out with its advanced technology that includes integrated smart controls. This model offers real-time monitoring and data analytics to optimize performance and enhance energy efficiency. Its ability to connect with existing building management systems makes it an appealing choice for modern facilities aiming to improve sustainability initiatives.

The CTCU 11 is characterized by its user-friendly interface and maintenance accessibility. It is built with durable materials that extend its lifespan, ensuring long-term reliability. This unit is ideal for applications where regular maintenance is challenging, as its design allows for easy access to all critical components.

In summary, Roberts Gorden's CTCU series encompasses a range of units catered to various industrial needs. With features focusing on efficiency, flexibility, and user-friendliness, these models deliver high-quality air management solutions to improve indoor environments while reducing energy consumption.