Roberts Gorden COMBAT CTU 22 TO 115 User Manual

WARNINGFOR YOUR SAFETYIf you smell gas:1. Open windows.2. DO NOT try to light any appliance.3. DO NOT use electrical switches.4. DO NOT use any teleph

WARNINGFire HazardSome objects will catch fire or explode when placedclose to heater.Keep all flammable objects, liquids and vapours therequired dista

SECTION 4: SPECIFICATIONS5SECTION 4: SPECIFICATIONS4.1 CTUA ABRear ViewEnd ViewZ646168GasSupplyFGHTop ViewJECD77Heater must be supportedat these point

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL6 4.2 CTUB, CTUC and CTUD115 115End ViewCTUB/C (All Models)115End ViewCTUC (All Mode

SECTION 4: SPECIFICATIONS74.3 General Technical Data Table Model CTU-22 CTU-30 CTU-35 CTU-40 CTU-50 CTU-60 CTU-75 CTU-90 CTU-100 CTU-115 CTUA With Axi

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL8 4.4 Technical Data Table Appliance Category II 2H/L 3B/PModel CTU-22 CTU-30 CTU-35

SECTION 5: HEATER INSTALLATION9SECTION 5: HEATER INSTALLATION5.1 General Heaters are designed for installation above 2.5 m. These heaters must be inst

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL10 SECTION 6: FLUE INSTALLATION6.1 Flue InstallationWARNINGFire HazardSome objects w

SECTION 6: FLUE INSTALLATION11Figure 5: Vertical and Horizontal Flue Termination - Type B22 ApplianceWallTerminalAir IntakeTerminal CoverFlueMasterfla

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL12 SECTION 7: AIR SUPPLY7.1 Room Sealed InstallationWhen installed as a room sealed

SECTION 8: OPTIONAL HEATER CONFIGURATIONS13SECTION 8: OPTIONAL HEATER CONFIGURATIONS8.1 Distribution Duct Work for CTUB, CTUC and CTUD HeatersCTUC hea

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL14 SECTION 9: GAS PIPINGWARNINGFire HazardConnect gas supply according to Figure 9.G

SECTION 10: WIRING AND ELECTRICAL INFORMATION15SECTION 10: WIRING AND ELECTRICAL INFORMATION10.1 Electrical SupplyAll heaters need a constant 230 V 50

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL16 10.3 CTUA Wiring Diagram (Models 22-60)IGNITION MODULEBLACKPlug in Connection to

SECTION 10: WIRING AND ELECTRICAL INFORMATION1710.4 CTUA Wiring Diagram (Models 75-115)S 4563 C Honeywell230 V1 Ø50 HzSITE WIRINGN L 1 2

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL18 10.5 CTUB/C Wiring Diagram (Models 22-40)IGNITION MODULEBLACKPlug in Connection t

SECTION 10: WIRING AND ELECTRICAL INFORMATION1910.6 CTUB/C Wiring Diagram (Models 50-60)B789A546RELAYIGNITION MODULEBLACKPlug in Connection to Gas Val

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL20 10.7 CTUB/C Wiring Diagram (Models 75-115)S 4563 C HoneywellMEDIUM BLUELNEAB45678

SECTION 10: WIRING AND ELECTRICAL INFORMATION2110.8 CTUD Wiring Diagram (Models 22-60)IGNITION MODULEBLACKPlug in Connection to Gas ValveS4565C 1017 C

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL22 10.9 CTUD Wiring Diagram (Models 75-115)S 4563 C HoneywellLNECOMBUSTION FANNC\P(2

SECTION 10: WIRING AND ELECTRICAL INFORMATION2310.10 CTUD External Motor Alternative Wiring 2A230vLLL123N400 V 3 ØmotorThree Phase Motor400 V 50 Hz3 Ø

© 2007 Roberts-Gordon, LLCAll rights reserved. No part of this work covered by the copyrights herein may be reproducedor copied in any form or by any

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL24 SECTION 11: COMMISSIONINGInstallation, service, commissioning and annual inspecti

SECTION 11: COMMISSIONING25Figure 10: Automatic Burner Control Box SequenceBurner sequence for Honeywell S4563 or S4565CFlame SignalStart Gas ValveIgn

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL26 Figure 12: Gas Valve for Heater (Models 75 - 115)Regulator(Under Cover)Inlet Pres

SECTION 11: COMMISSIONING2711.7 External ControlsExternal controls may include time switch, room thermostat and frost thermostat. Operate each control

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL28 SECTION 12: USER INSTRUCTIONS12.1 User InstructionsThe CTU heaters are fully auto

SECTION 12: USER INSTRUCTIONS2912.4.2 To Turn the Heater Off Set the installed remote controls to the “OFF” position.The burner will turn off immediat

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL30 SECTION 13: SERVICING13.1 Servicing InstructionsAfter commissioning, the heater w

SECTION 14: CONVERSION BETWEEN GASES31SECTION 14: CONVERSION BETWEEN GASES14.1 GeneralConversion between gasses will require a change of burner inject

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL32 SECTION 15: TROUBLESHOOTING15.1 GeneralIf problems persist, contactROBERTS GORDON

SECTION 15: TROUBLESHOOTING3315.2 Troubleshooting For Automatic Ignition Burner SystemsHeater OperatingTROUBLESHOOT ENDS.NoTrace fault in supervisions

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL34 15.3 Troubleshooting for Flame Supervision SystemRepair or replace asnecessary.Co

SECTION 16: REMOVAL AND REPLACEMENT PARTS35SECTION 16: REMOVAL AND REPLACEMENT PARTSSee warnings and notes on Page 30, Section 13 before removing or r

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL36 16.2 Burner CompartmentRemove flexibleair duct from spigotRemoveaccess plateRemov

SECTION 16: REMOVAL AND REPLACEMENT PARTS3716.3 Ignition Electrode and Flame ProbeDescription Part NumberSpark Electrode 90427411Automatic Ignition Fl

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL38 16.4 Flue FanVent BoxOutletGasketFlue FanVent BoxScrewsFlueAdapterFlue Adapterto

SECTION 16: REMOVAL AND REPLACEMENT PARTS3916.5 Pressure SwitchPull off 3 way connector. Spring open plastic clips of mounting cradle. Replace with co

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL40 16.6 Ignition ControlIT IS IMPORTANT THAT ONLY THE CORRECT IGNITION CONTROL SPECI

SECTION 16: REMOVAL AND REPLACEMENT PARTS41• Use only genuine ROBERTS GORDON® replacement parts. The three speed winding connections are:Low speed:

TABLE OF FIGURESFigure 1: Installation Clearances and Clearances to Combustibles...4Figure 2

WARNING© 2007 Roberts-Gordon, LLC www.rg-inc.com

1Product ApprovalROBERTS GORDON® appliances have been tested and CE certified as complying with the essentialrequirements of the Gas Appliance Directi

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL2 SECTION 1: HEATER SAFETYYour Safety is Important to Us!This symbol is used through

SECTION 3: CRITICAL CONSIDERATIONS3SECTION 3: CRITICAL CONSIDERATIONS3.1 Basic InformationCTU heaters have automatic ignition burners for ON/OFF opera