Roberts Gorden CTU 22 TO 115 service manual Ignition Module, 230 V 1 Ø 50 Hz

Page 25

SECTION 10: WIRING AND ELECTRICAL INFORMATION

10.6 CTUB/C Wiring Diagram (Models 50-60)

IGNITION MODULE

 

 

12

11

10

9

8

7

6

5

4

3

2

1

 

 

 

 

 

 

 

 

 

BLUE

BROWN

YELLOW BROWN WHITE

 

BLACK BROWN PINK PURPLE GREY

 

 

 

 

Time Delay Relay

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLUE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BROWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BROWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermostat Limit

 

GAS VALVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermodisc N/C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CENTRIFUGAL FAN 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GREEN/YELLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHITE N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HIGH BLACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MEDIUM BLUE

BROWN RED RED

BLACK

 

 

 

 

 

 

 

 

 

 

 

PRESSURE SWITCH

LOCKOUT

 

 

 

LOW RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO\P(3)

YELLOW

GREEN/YELLOW

 

 

 

 

 

 

 

 

 

RESET

 

 

 

 

GREEN/YELLOW

 

 

 

 

 

 

 

BLACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C\P(1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHITE N

WHITE

 

 

 

 

 

 

 

 

 

 

 

 

 

HIGH BLACK

NC\P(2)

 

 

 

 

 

 

 

 

 

 

 

 

 

Pressure Switch

 

 

 

 

 

 

WHITE YELLOW

 

 

 

 

 

 

MEDIUM BLUE

 

 

 

 

 

 

 

 

COMBUSTION FAN

 

 

 

LOW RED

Detail

 

 

RUN

 

 

E

 

 

 

CENTRIFUGAL FAN 1

 

 

 

 

 

 

N

A

 

5

 

 

 

 

 

 

 

 

 

4

6

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

RELAY

 

 

 

 

 

 

 

 

 

 

B

7

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLUE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLUE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BROWN

 

 

 

 

 

 

LOCKOUT

 

 

 

 

 

 

 

 

MAINS FILTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IGNITION MODULE

SITE WIRING

N L 1 2 3 7 8

Plug in Connection to Gas Valve

SENSE

 

BLACK

 

 

 

 

Honeywell

 

BLACK

S4565C 1017 Control

IGNITION

 

 

 

NOTE:

Unused speed setting wires for the centrifugal fan must be isolated and insulated. If any of the original wire supplied with the heater must be replaced, it must be replaced with wiring material having a temperature rating of at least 105° C and 600 volts.

GROUND NEUTRAL LINE REMOTE FAN ON THERMOSTAT

REMOTE LOCKOUT INDICATION REMOTE LOCKOUT RESET

230V 1 Ø

50 Hz

19

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Contents Supplier after leaving the building Immediately call your local gasFollow the gas supplier’s Instructions Supplier, call the Fire DepartmentPage Roberts-Gordon, LLC Page Table of Figures Page Product Approval Installer Responsibility Heater SafetyClearances to Combustibles Corrosive ChemicalsCritical Considerations 3.1 Basic Information Minimum Required Installation ClearancesVentilation Gas SupplyInstallation Clearances and Clearances to Combustibles Dimension Data Ctua All Models Specifications 4.1 CtuaTop View End View Rear ViewCTUB, Ctuc and Ctud Dimension Data CTUB, Ctuc and CtudGeneral Technical Data Table Gas rates corrected to standard conditions 1013.25 mbar 15 C Handling Heater Installation 5.1 GeneralType B22 Appliance Flue Installation 6.1 Flue InstallationAir Intake Terminal Cover Vertical and Horizontal Flue Termination Type B22 Appliance AIR Supply Distribution Duct Work for CTUB, Ctuc and Ctud Heaters Optional Heater ConfigurationsCtud Heaters Connections GAS PipingOption a Option BWiring and Electrical Information 50 Hz Ctua Wiring Diagram ModelsSite Wiring CTUB/C Wiring Diagram Models Site Wiring230 V 1 Ø 50 Hz Ignition ModuleRUN For external fan wiring Ctud Wiring Diagram ModelsSite Wiring and Electrical Information Louvres CommissioningElectrical Checks Mechanical ChecksEnd View Automatic Burner Control Box SequenceCheck Gas Rate Combustion TestingTurning Off the Heater Complete the Commissioning External ControlsInstruction to the User Heater Operation Burner Lockout Reset ButtonCommon User Controls Thermostat Limit Thermodisc Lighting Instructions To Turn On HeaterSimple Fault Finding Burner Faults Simple Fault FindingTo Turn the Heater Off 13.3 Fan/Motor Assembly Maintenance Burner MaintenanceHeat Exchanger Maintenance Gas Control Valve MaintenanceBurner Conversion Conversion Between Gases 14.1 GeneralGas Valves Start Conduct Commissioning procedure as shown on Page 24, SectionFor your safety and optimum heater performance Troubleshooting For Automatic Ignition Burner SystemsConduct Commissioning procedure as shown Troubleshooting for Solenoid Valves Troubleshooting for Flame Supervision SystemRemoval and Replacement Parts Burner Injectors Burner CompartmentIgnition Electrode and Flame Probe Remove screws securing outlet flange to the flue adapter RG P/N Pressure SwitchFan Removal and Replacement Ctua Axial Fan/Guard/Motor AssemblyTo Replace the Fan Assembly Ctub & Ctuc Centrifugal Fan/Guard/Motor AssemblyFan Data Centrifugal Fan OrientationPage Page Page Some objects can catch fire or explode when placed

CTU 22 TO 115 specifications

The Roberts Gordon CTU 22 TO 115 is a renowned unit heater designed to deliver efficient heating solutions in commercial and industrial settings. Known for its advanced features and robust design, this unit heater is ideal for applications where warmth and comfort are essential, such as warehouses, manufacturing facilities, and large retail spaces.

One of the main features of the CTU 22 TO 115 is its powerful heating capacity. With a range of output capabilities, it can effectively heat large areas, ensuring that employees and equipment remain comfortable during cold weather. The heater's output is adjustable, allowing for tailored heating solutions based on specific operational needs.

This model integrates several innovative technologies to enhance efficiency and performance. The use of advanced combustion technology ensures optimal fuel efficiency, which translates to lower energy costs and reduced environmental impact. The heater is available in both gas and oil configurations, providing versatility to accommodate different fuel sources depending on availability and preference.

In addition to its energy efficiency, the Roberts Gordon CTU features a compact design, making it suitable for installations in tight spaces. Its lightweight construction allows for easy installation and relocation, ensuring that businesses can quickly adapt to changing layout requirements. The unit is equipped with high-quality materials and a durable finish, contributing to its longevity and low maintenance needs.

Safety is a paramount concern in any heating system, and the CTU 22 TO 115 doesn't disappoint. It comes with various safety features, including over-temperature protection, ensuring that it operates securely under all conditions. With automatic shutoff capabilities, the heater provides peace of mind to operators, allowing for unattended operation in more remote settings.

Moreover, the CTU’s quiet operation is a significant advantage, as it minimizes disruption in the workplace, ensuring a comfortable environment for personnel. Its design also facilitates easy access to components for maintenance, thus ensuring that the unit remains operational with minimal downtime.

Overall, the Roberts Gordon CTU 22 TO 115 combines performance, efficiency, and safety features to create a reliable heating solution for diverse industrial applications. Its adaptability to various fuel types and efficient design makes it a popular choice among facility managers looking for dependable heating solutions.