Roberts Gorden CTCU 15, CTCU 27, CTCU 11, CTCU 22, CTCU 7 Site Wiring, Ctcua Wiring Diagram Models 7

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COMBAT® CTCU UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

9.3 CTCUA Wiring Diagram Models 7 - 32

SITE WIRING

B4

B4

S3

S3

T2

T2

T1

T1

N

N

L1

L1

REMOTELOCKOUT

REMOTELOCKOUT

NEUTRAL REMOTEFAN ON THERMOSTAT

LINE GROUND

7 POLE PLUG

 

RESET

INDICATION

 

 

 

7 POLE SOCKET

230V

50Hz

SUPPLY

BLACK

VALVE

GAS

 

 

 

BLUE

 

 

 

 

 

 

 

 

 

 

BROWN

GREEN/YELLOW

 

 

 

 

YELLOW

 

WHITE

 

 

WHITE

 

 

YELLOW

 

 

 

 

 

BLACK

 

 

BLACK

 

 

PRESSURE SWITCH

 

 

BROWN

THERMOSTAT

GROUNDATLIMIT

LOCKOUT RESETWITH INDICATOR LIGHT

12

45

PINK

 

 

 

 

 

PURPLE

GREY

 

 

 

BROWN

 

 

 

 

LIMIT THERMOSTAT

 

RED

BLUE BROWN

BLUE

L

N

E

N L

E

BROWN

 

 

 

COMBUSTION FAN

AXIAL FAN

 

 

12

 

11

 

10 9 8 7

IGNITION

6 5 4

CONTROL

3

 

2

 

1

 

SENSE

 

IGNITION

IGNITION CONTROL

BLACK

BLACK

FAN DELAY THERMOSTAT

EMC FILTER

NOTE:

If any of the original wire supplied with the heater must be replaced, it must be replaced material having a temperature rating of at least 105° C and 600 volts.

with wiring

14

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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.