Roberts Gorden CTCU 22, CTCU 27, CTCU 15, CTCU 11, CTCU 7 Automatic Burner Control Box Sequence

Page 22

COMBAT® CTCU UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

Figure 9: Automatic Burner Control Box Sequence

Supply 230 V

 

Flue Fan

 

Pressure Switch P

NO

C

NC

Ignition Spark

Start Gas Valve

Flame Signal

Burner sequence for Honeywell S4565C

 

CLOSE

 

 

START

RUN

DOWN

30 Sec. Purge*

 

 

ts = 10 seconds

 

 

*Purge time begins at pressure switch change over.

Required Incoming Signals

 

Signals Output By Control

 

 

 

If at any stage the flame fails, the control will go into "lockout". The red light inside the RESET switch will illuminate and the control will need to be manually reset before any further start attempt can be made.

Figure 10: Gas Valve for Heater Models 7 - 32

End View

 

 

 

 

Screw

Ignition

 

Ignition Control

Output

 

(Plugs into Gas Valve)

Flame

 

 

Probe

Regulator

 

Connection

 

(Under Cover)

 

 

12 Cable Connector

 

 

 

Outlet Pressure

 

 

Inlet Pressure

 

 

 

Gas Inlet

16

 

 

Image 22
Contents Mbat Page Roberts-Gordon, LLC Page Table of Figures Page Product Approval Clearances to Combustibles Heater SafetyInstaller Responsibility Corrosive ChemicalsFlue Minimum Required Installation ClearancesCritical Considerations 3.1 Basic Information 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 Changing Flue and Air Intake Orientation Flue InstallationFlue Installation Type B22 ApplianceVertical and Horizontal Flue Termination Type B22 Appliance Heaters Installed Within the Heated Space Room Sealed InstallationOpen Flued Installation AIR SupplyGAS Piping ConnectionsBurner Controls Thermostat Wiring and Electrical InformationRemote Controls Remote Fan ControlsSite Wiring Ctcua Wiring Diagram Models 7Mechanical Checks CommissioningLouvres Begin Commissioning Before Operating the HeaterAutomatic Burner Control Box Sequence Check Gas Rate Combustion TestingPressure Switch Turning Off the HeaterCommon User Controls 11.3.1 Fan Thermostat Burner Lockout Reset ButtonHeater Operation Limit ThermostatSimple Fault Finding Burner Faults Simple Fault FindingTo Turn the Heater Off Heat Exchanger Maintenance Burner Maintenance12.3 Fan/Motor Assembly Maintenance Gas Control Valve MaintenanceBurner Conversion Conversion Between Gases 13.1 GeneralGas Valves 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 FanBurner Components Removal and Replacement PartsGas Valve Burner Compartment Burner InjectorsIgnition Electrode and Flame Probe Flue Fan Vertical Installation 041 Fan and Limit Thermostats 15.8.1 Removal and Replacement Ctcua Axial Fan/Guard/Motor AssemblyFan Removal and Replacement To Replace the Fan AssemblyPage Page Some objects can catch fire or explode when placed
Related manuals
Manual 50 pages 34.89 Kb

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.