Roberts Gorden CTCU 7 Heater Installation 6.1 General, Basic Information, Handling, Wall Mounting

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COMBAT® CTCU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL

SECTION 6: HEATER INSTALLATION 6.1 General

Heaters are designed for installation above 2.5 m. These heaters must be installed within the heated space. Duct delivery systems are not permitted with axial fans. When handling or supporting the heater from below, ensure that the weight is taken at the support points.

6.2 Basic Information

CTCU heaters have automatic ignition burners for ON/OFF operation only.

6.3Location and Suspension All models:

• Must be installed indoors.

Must be installed in a level position, with horizontal or vertical discharge.

May be mounted on a shelf of non-combustible material. (See Page 6, Figure 3 and Page 11, Figure 4 for support points)

May be suspended from above (See Page 11, Figure 4 and Page 12, Figure 5) or from wall brackets of sufficient strength to support the heater as listed in the Dimension Data Table on Page 8, Section 5.1. Drop rods must be a mini- mum of 10 mm diameter mild steel. Four sus- pension points (M10 nuts) are located on top of the heater.

Must be installed in a manner which allows the hinged door to be fully opened to provide access to all serviceable components.

6.4 Handling

All CTCU heaters are supplied secured to a wooden pallet and shrink wrapped. Use the pallet to support the heater during handling and installation. When handling or supporting the heater from below, ensure that the weight is taken at the support points.

6.5Suspension and Shelf Mounting

WARNING

Crush Hazard

Use 10 mm steel drop rod minimum.

Failure of the supports can result in death, injury or property damage.

For typical suspension See Page 11, Figure 4. The gas or electrical supply lines must not be used to support the heater.

Do not locate the gas or electrical supply lines directly over the path of the flue products from the heater.

The heater must be installed in a location that is readily accessible for servicing.

The heater must be installed in accordance with clearances to combustibles as indicated on the wall tag and in this manual.

6.6 Wall Mounting

For typical suspension, See Page 11, Figure 4 and Page 12, Figure 5. Wall mounted heaters blowing parallel to the wall can only be installed with the service door away from the wall.

The wall mounting brackets must be attached to a suitable wall using all mounting holes. Screw sizes less than 3/8" may not be used. In order for the wall mounting brackets to adequately carry the weight of the heater, it must be installed according to best building practices.

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Contents Combat Page Table of Contents Page Table of Figures Page Page Manpower Requirements Heater SafetySafety Labels and Their Placement Side Panel Label Placement Clearances to Combustibles Installer ResponsibilityNational Standards and Applicable Codes Clearances to Combustibles Installation Clearances and Clearances to Combustibles Gas Supply FlueSpecifications 5.1 Ctcua All Models Dimension Data Ctcua All ModelsGeneral Technical Data Table All Models CTCU-7Heater Installation 6.1 General Basic InformationHandling Wall MountingSuspension Methods Shelf Mounting and Hanging Suspension For flue termination See Page 14, through Page 15, Figure Type B22 ApplianceFlue and Roof Detail Roof Terminal Plastic Cup Masterflash Manifold Air Intake Room Sealed Installation Open Flued InstallationHeaters Installed Within the Heated Space AIR SupplyGAS Pipe Work ConnectionsGas Connection with Stainless Steel Flex Connector Wiring and Electrical Information Remote ControlsBurner Controls Thermostat Remote Fan ControlsCtcua Wiring Diagram Models Commissioning Gas Fired HeaterLouvres Electrical ChecksBegin Commissioning Before Operating the Heater Automatic Burner Control Box SequenceCheck Gas Rate Combustion TestingTurning Off the Heater Complete the Commissioning Instruction to the UserHeater Operation User InstructionsCommon User Controls 12.3.1 Fan Thermostat Burner Lockout Reset Button Simple Fault FindingSimple Fault Finding Burner Faults Limit Thermostat13.3 Fan/Motor Assembly Maintenance Heat Exchanger MaintenanceServicing Servicing InstructionsGas Control Valve Maintenance Maintenance ChecklistVicinity of the Heater Vent Pipe/TerminalsWhen installed Ductwork Burner ObservationWindow Flue Blower Scroll, WheelBurner Conversion Conversion Between Gases 14.1 GeneralGas Valves Troubleshooting Conduct Commissioning procedure as shown on Page 21, Section GeneralTroubleshooting For Automatic Ignition Burner Systems Troubleshooting for Flame Supervision System Troubleshooting for Solenoid ValvesTroubleshooting for Main Fan Removal and Replacement Parts Burner ComponentsModels 7 All ModelsBurner Compartment Burner InjectorsIgnition Electrode and Flame Probe Flue Fan Vertical Installation Models 7 Model CTCU-7Flue Fan Vertical Installation Models 22 Pressure Switch Ctcua Axial Fan/Guard/Motor Assembly Fan Removal and ReplacementFan and Limit Thermostats 16.9.1 Removal and Replacement To Replace the Fan AssemblyPage Fire Hazard
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CTCU 32, CTCU 7, CTCU 22, CTCU 11, CTCU 15 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.