Manuals / Roberts Gorden / Household Appliance / Gas Heater

Roberts Gorden CTU 22 TO 115 CTUB/C Wiring Diagram Models, Ignition Module, Site Wiring

Models: CTU 22 TO 115

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

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
		BLACK
		Honeywell
	BLACK	S4565C 1017 Control
IGNITION	BLACK
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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Roberts Gorden CTU 22 TO 115 CTUB/C Wiring Diagram Models, Ignition Module, Site Wiring, Wiring And Electrical Information

Contents

If you smell gas CombatQuality in Any Language Page 2007 Roberts-Gordon,LLC Page TABLE OF FIGURES Page Product Approval SECTION 2 INSTALLER RESPONSIBILITY SECTION 1 HEATER SAFETY2.1 Clearances to Combustibles 2.2 Corrosive Chemicals3.4 Clearances to Combustibles 3.3 Minimum Required Installation Clearances3.5 Ventilation 3.6 Gas SupplyInstallation Clearances Dimension Data - CTUA All Models SECTION 4 SPECIFICATIONS 4.1 CTUATop View End View4.2 CTUB, CTUC and CTUD Dimension Data - CTUB, CTUC and CTUD4.3 General Technical Data Table 4.4Technical Data Table Appliance Category II 2H/L 3B/P 5.2 Handling SECTION 5 HEATER INSTALLATION 5.1 GeneralFigure 2 Suspension Methods 5.3 Shelf Mounting and Suspension6.3 Type B22 Appliance terminal. See Page 11, FigureSee Page 10, Figure 3 through Page 11, Figure 6.3.1 Air Intake Terminal CoverRoof Terminal 7.2 Open Flued Installation 7.1 Room Sealed Installation7.2.1 Heaters Installed Within the Heated Space SECTION 7 AIR SUPPLY8.1.1 CTUD Heaters SECTION 8 OPTIONAL HEATER CONFIGURATIONSFigure 8 Ducting 9.1 Connections SECTION 9 GAS PIPING10.2 Remote Controls SECTION 10 WIRING AND ELECTRICAL INFORMATION10.1 Electrical Supply ModelsIGNITION MODULE 10.3 CTUA Wiring Diagram ModelsIGNITION MODULE 10.4 CTUA Wiring Diagram Models SITE WIRINGSECTION 10 WIRING AND ELECTRICAL INFORMATION 10.5 CTUB/C Wiring Diagram Models SITE WIRINGIGNITION MODULE IGNITION MODULESITE WIRING 10.6 CTUB/C Wiring Diagram ModelsSECTION 10 WIRING AND ELECTRICAL INFORMATION IGNITION MODULESITE WIRING 10.7 CTUB/C Wiring Diagram ModelsFor external fan wiring 10.8 CTUD Wiring Diagram ModelsSee Page 23, Section SITE WIRINGSITE 10.9 CTUD Wiring Diagram ModelsSee Page 23, Section Single Phase Motor with Load over 7 Amps 11.1 Pre-CommissionChecks SECTION 11 COMMISSIONING11.1.1 Louvres 11.1.2 Electrical ChecksFigure 11 Gas Valve for Heater Models Figure 10 Automatic Burner Control Box SequenceFigure 12 Gas Valve for Heater Models 11.5 Combustion TestingCheck Gas Rate 11.6 Turning Off the Heater11.8 Complete the Commissioning 11.7 External Controls11.9 Instruction to the User See Page 28, Section 12.3.2 Burner Lockout Reset Button12.2 Heater Operation Figure 13 Heater Operating Sequence12.5.1 Simple Fault Finding Burner Faults 12.5 Simple Fault Finding12.4.2 To Turn the Heater Off See Page 5, Section13.3 Fan/Motor Assembly Maintenance 13.2 Burner Maintenance13.4 Heat Exchanger Maintenance 13.5 Gas Control Valve Maintenance14.2 Burner Conversion SECTION 14 CONVERSION BETWEEN GASES 14.1 General14.3 Gas Valves SECTION 15 TROUBLESHOOTING 15.1 General Conduct Commissioning procedure as shown For your safety and optimum heater performanceon Page 24, Section 15.4Troubleshooting for Solenoid Valves 15.3Troubleshooting for Flame Supervision SystemBurner Components SECTION 16 REMOVAL AND REPLACEMENT PARTS16.1 Gas Valve 16.1.1 Models16.2.1 Burner Injectors 16.2 Burner CompartmentEnsure gas tight fitting of injectors Ensure correct alignment with burners16.3 Ignition Electrode and Flame Probe 16.4 Flue Fan 16.5 Pressure Switch 16.7.1 Fan Removal and Replacement 16.7 CTUA Axial Fan/Guard/Motor Assembly16.7.2 To Replace the Fan Assembly 16.8.1 Fan Removal and Replacement16.9 Fan Data Figure 14 Centrifugal Fan OrientationPage Page Page close to heater Fire Hazardinjury or property damage