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Roberts Gorden CTU 22 TO 115 service manual Roof Terminal

Models: CTU 22 TO 115

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SECTION 6: FLUE INSTALLATION

Figure 5: Vertical and Horizontal Flue Termination - Type B22 Appliance

Roof Terminal
Masterflash
	Metal Sleeve
	(25 mm air gap to
Flue	Combustible Material)
Flue
Air Intake
Terminal Cover
Vertical
Option
90°
Bend	Masterflash
Flue
Horizontal
Option	Wall
	Terminal
Figure 6: Vertical and Horizontal Flue Termination - Type C12 C32 & C62 Appliances

	Roof Terminal
	Plastic Cup	Model		Concentric Flue Diameter
		Model		Concentric Flue Diameter
	Masterflash	22-60 Cover (100mm)			150mm
	Masterflash	75-115 Cover (130mm)			200mm
Manifold
Air Intake	Flue
Vertical	Flue
Vertical
Option			Wall
			Wall
			Terminal
			Wall	End View
	90° Bend		Plate	End View
Air Intake
Flue
Horizontal
Option	Manifold
Max wall thickness				The minimum
Max wall thickness				gap must be
	335 mm		positioned at bottom
					11

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Roberts Gorden CTU 22 TO 115 service manual Roof Terminal

Contents

Quality in Any Language CombatIf you smell gas 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 SUPPLYFigure 8 Ducting SECTION 8 OPTIONAL HEATER CONFIGURATIONS8.1.1 CTUD Heaters 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 SECTION 10 WIRING AND ELECTRICAL INFORMATION SITE WIRING10.4 CTUA Wiring Diagram Models 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 WIRINGSee Page 23, Section 10.9 CTUD Wiring Diagram ModelsSITE 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 Heater11.9 Instruction to the User 11.7 External Controls11.8 Complete the Commissioning 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 Maintenance14.3 Gas Valves SECTION 14 CONVERSION BETWEEN GASES 14.1 General14.2 Burner Conversion SECTION 15 TROUBLESHOOTING 15.1 General on Page 24, Section For your safety and optimum heater performanceConduct Commissioning procedure as shown 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 injury or property damage Fire Hazardclose to heater