Manuals / Roberts Gorden / Household Appliance / Gas Heater

Roberts Gorden CTU 22 TO 115 HEATER INSTALLATION 5.1 General, Handling, Suspension Methods

Models: CTU 22 TO 115

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SECTION 5: HEATER INSTALLATION

SECTION 5: HEATER INSTALLATION

SECTION 5: HEATER INSTALLATION 5.1 General

Heaters are designed for installation above 2.5 m. These heaters must be installed within the heated space. Duct delivery systems are not permitted with axial fans.

5.2 Handling

All CTU heaters are supplied secured to a wooden pallet and shrink wrapped. Use the pallet to support the heater during handling and installation. When handling or supporting the heater from below, ensure that the weight is taken at the support points.

Figure 2: Suspension Methods

5.3 Shelf Mounting and Suspension

WARNING

Crush Hazard

Use 10 mm steel drop rod minimum.

Failure of the supports can result in death, injury

or property damage.

For typical suspension See Page 9, Figure 2.

Unistrut Channel Nut

Washer

Nut

10 mm

Steel

Drop Rod

10 mm Steel Drop Rod

Nut Washer

Riv

Nut

Insure all suspension hardware is torqued to a minimum

of 27 Nm (20 ft lbs)

Cone Point

Set Pin

Window

Clamp

Unistrut

Support Points

9

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Roberts Gorden CTU 22 TO 115 HEATER INSTALLATION 5.1 General, Handling, Suspension Methods, Shelf Mounting and Suspension

Contents

Combat If you smell gasQuality in Any Language Page 2007 Roberts-Gordon,LLC Page TABLE OF FIGURES Page Product Approval 2.2 Corrosive Chemicals SECTION 1 HEATER SAFETYSECTION 2 INSTALLER RESPONSIBILITY 2.1 Clearances to Combustibles3.6 Gas Supply 3.3 Minimum Required Installation Clearances3.4 Clearances to Combustibles 3.5 VentilationInstallation Clearances End View SECTION 4 SPECIFICATIONS 4.1 CTUADimension Data - CTUA All Models Top 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 5.3 Shelf Mounting and Suspension SECTION 5 HEATER INSTALLATION 5.1 General5.2 Handling Figure 2 Suspension Methods6.3.1 Air Intake Terminal Cover terminal. See Page 11, Figure6.3 Type B22 Appliance See Page 10, Figure 3 through Page 11, FigureRoof Terminal SECTION 7 AIR SUPPLY 7.1 Room Sealed Installation7.2 Open Flued Installation 7.2.1 Heaters Installed Within the Heated SpaceSECTION 8 OPTIONAL HEATER CONFIGURATIONS 8.1.1 CTUD HeatersFigure 8 Ducting 9.1 Connections SECTION 9 GAS PIPINGModels SECTION 10 WIRING AND ELECTRICAL INFORMATION10.2 Remote Controls 10.1 Electrical Supply10.3 CTUA Wiring Diagram Models IGNITION MODULEIGNITION MODULE SITE WIRING 10.4 CTUA Wiring Diagram ModelsSECTION 10 WIRING AND ELECTRICAL INFORMATION IGNITION MODULE SITE WIRING10.5 CTUB/C Wiring Diagram Models IGNITION MODULEIGNITION MODULE 10.6 CTUB/C Wiring Diagram ModelsSITE WIRING SECTION 10 WIRING AND ELECTRICAL INFORMATIONSITE WIRING 10.7 CTUB/C Wiring Diagram ModelsSITE WIRING 10.8 CTUD Wiring Diagram ModelsFor external fan wiring See Page 23, Section10.9 CTUD Wiring Diagram Models SITESee Page 23, Section Single Phase Motor with Load over 7 Amps 11.1.2 Electrical Checks SECTION 11 COMMISSIONING11.1 Pre-CommissionChecks 11.1.1 LouvresFigure 11 Gas Valve for Heater Models Figure 10 Automatic Burner Control Box Sequence11.6 Turning Off the Heater 11.5 Combustion TestingFigure 12 Gas Valve for Heater Models Check Gas Rate11.7 External Controls 11.8 Complete the Commissioning11.9 Instruction to the User Figure 13 Heater Operating Sequence 12.3.2 Burner Lockout Reset ButtonSee Page 28, Section 12.2 Heater OperationSee Page 5, Section 12.5 Simple Fault Finding12.5.1 Simple Fault Finding Burner Faults 12.4.2 To Turn the Heater Off13.5 Gas Control Valve Maintenance 13.2 Burner Maintenance13.3 Fan/Motor Assembly Maintenance 13.4 Heat Exchanger MaintenanceSECTION 14 CONVERSION BETWEEN GASES 14.1 General 14.2 Burner Conversion14.3 Gas Valves SECTION 15 TROUBLESHOOTING 15.1 General For your safety and optimum heater performance Conduct Commissioning procedure as shownon Page 24, Section 15.4Troubleshooting for Solenoid Valves 15.3Troubleshooting for Flame Supervision System16.1.1 Models SECTION 16 REMOVAL AND REPLACEMENT PARTSBurner Components 16.1 Gas ValveEnsure correct alignment with burners 16.2 Burner Compartment16.2.1 Burner Injectors Ensure gas tight fitting of injectors16.3 Ignition Electrode and Flame Probe 16.4 Flue Fan 16.5 Pressure Switch 16.8.1 Fan Removal and Replacement 16.7 CTUA Axial Fan/Guard/Motor Assembly16.7.1 Fan Removal and Replacement 16.7.2 To Replace the Fan Assembly16.9 Fan Data Figure 14 Centrifugal Fan OrientationPage Page Page Fire Hazard close to heaterinjury or property damage