Roberts Gorden CTCU 27 Removal and Replacement Parts, Burner Components, Models 7, All Models

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COMBAT® CTCU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL

SECTION 16: REMOVAL AND REPLACEMENT PARTS

DANGER

WARNING

Electrical Shock Hazard Explosion Hazard Fire Hazard Carbon Monoxide Hazard

Use only genuine ROBERTS GORDON® replacement parts per this installation, operation and service manual.

Failure to follow these instructions can result in death, electric shock, injury or property damage.

See warnings and notes on Page 27, Section 13 before removing or replacing parts.

Burner Components

All serviceable burner parts are accessed by the door on the right side of the heater. Use a screwdriver to turn the latch 90°. See Page 8, Section 5.

16.1 Gas Valve

Remove the gas supply pipe at the heater inlet.

16.1.1 Models 7 - 32

 

Description

Part Number

Gas Valve

90033102

Ignition Control

90434021

16.1.2 All Models

Replace in reverse order. Verify that the gas flow direction of the valve is correct. Use a minimum amount of gas seal on the thread joint. Re-use the "O" ring seal in the outlet flange where fitted. Check that all the joints are leak free. Reset gas valve. See

Page 23, Section 11.4.2.

IT IS IMPORTANT THAT ONLY THE CORRECT GAS VALVES SPECIFIED FOR EACH MODEL TYPE ARE USED WHEN REPLACING THESE CONTROLS.

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Contents Combat Page Table of Contents Page Table of Figures Page Page Heater Safety Manpower RequirementsSafety Labels and Their Placement Side Panel Label Placement Installer Responsibility Clearances to CombustiblesNational 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-7Handling Heater Installation 6.1 GeneralBasic Information 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 Heaters Installed Within the Heated Space Room Sealed InstallationOpen Flued Installation AIR SupplyGAS Pipe Work ConnectionsGas Connection with Stainless Steel Flex Connector Burner Controls Thermostat Wiring and Electrical InformationRemote Controls Remote Fan ControlsCtcua Wiring Diagram Models Louvres CommissioningGas Fired Heater Electrical ChecksBegin Commissioning Before Operating the Heater Automatic Burner Control Box SequenceCombustion Testing Check Gas RateTurning Off the Heater Complete the Commissioning Instruction to the UserUser Instructions Heater OperationCommon User Controls 12.3.1 Fan Thermostat Simple Fault Finding Burner Faults Burner Lockout Reset ButtonSimple Fault Finding Limit ThermostatServicing 13.3 Fan/Motor Assembly MaintenanceHeat Exchanger Maintenance Servicing InstructionsVicinity of the Heater Gas Control Valve MaintenanceMaintenance Checklist Vent Pipe/TerminalsWindow When installed DuctworkBurner Observation Flue Blower Scroll, WheelConversion Between Gases 14.1 General Burner ConversionGas 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 Models 7 Removal and Replacement PartsBurner Components 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 Fan and Limit Thermostats 16.9.1 Removal and Replacement Ctcua Axial Fan/Guard/Motor AssemblyFan 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.