Trane Gas Unit Heaters Installationshandbuch

SAFETY WARNINGOnly qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating,

General Information10 GTND-SVX01B-ENFigure 4. Unit sizes 30–120: Component partsPressure switch Gas valveFigure 5. Unit sizes 30–120: Internal furnac

General InformationGTND-SVX01B-EN 11 Figure 8. Unit sizes 150–400: Heat exchanger assemblyFigure 9. Unit sizes 150–400: Electrical control panelFigu

12 GTND-SVX01B-ENUnit Dimensions and WeightsTa b l e 1. Unit sizes 30–120: Performance and specification dataUnit Size 30 45 60 75 90 105 120PERFORMA

Unit Dimensions and WeightsGTND-SVX01B-EN 13 Figure 13. Unit sizes 30–120: Dimensions, standard units

Unit Dimensions and Weights14 GTND-SVX01B-ENTable 2. Unit sizes 150–400: Performance and specification dataUnit Size 150 175 200 250 300 350 400PERFO

Unit Dimensions and WeightsGTND-SVX01B-EN 15 Figure 14. Unit sizes 150–400: Dimensions, standard unitsCE(Hanging)1-3/8"(35)(Hanging)GD32-1/2"

16 GTND-SVX01B-ENInstallation: MechanicalSince the unit is equipped with an automatic gas ignition system, the unit heaters must be installed such tha

Installation: MechanicalGTND-SVX01B-EN 17 Air for Combustion. The unit heater shall be installed in a location in which the facilities for ventilatio

Installation: Mechanical18 GTND-SVX01B-ENUnit sizes 30–120 only: The unit heater may be mounted with the vent outlet, gas and electrical connections

Installation: MechanicalGTND-SVX01B-EN 19 Note: See Table 2, p. 14 for “E” dimension.Nozzle AssemblyUse the following procedure for assembling the 30-

© 2012 Trane All rights reserved GTND-SVX01B-ENWarnings, Cautions and NoticesWarnings, Cautions and Notices. Note that warnings, cautions and noti

Installation: Mechanical20 GTND-SVX01B-ENlarger holes are facing the unit heater, create a sub-assembly by attaching the top panel (P/N 251-07942-00

GTND-SVX01B-EN 21 Installation: PipingGas Supply PipingPipe SizingTo provide adequate gas pressure at the gas unit heater, size the gas piping as foll

Installation: Piping22 GTND-SVX01B-ENPipe Installation1. Install the gas piping in accordance with applicable local codes.2. Check gas supply pressur

Installation: PipingGTND-SVX01B-EN 23 Pipe directly in to combination valve (see Figure 21, p. 23).5. Gas valve has a pressure test post requiring a 3

Installation: Piping24 GTND-SVX01B-ENCategory IIncludes non-condensing appliances with negative vent pressure, like the traditional atmospheric unit

Installation: PipingGTND-SVX01B-EN 25 Standard CombustionAll Unit Sizes: Vertically Vented Unit Heaters (Category I)Observe the following precautions

Installation: Piping26 GTND-SVX01B-ENAll Unit Sizes: Horizontally Vented Unit Heaters (Category III)Unit sizes 150–400: Horizontal venting arrangemen

Installation: PipingGTND-SVX01B-EN 27 • Unit sizes 30–120: Use 4” (120 mm) flue pipe.• Unit sizes 150–400: Refer to Table 2, p. 14.All heaters must be

Installation: Piping28 GTND-SVX01B-EN• Unit sizes 150–400: Insulate single wall vent pipe exposed to cold air or running through unheated areas.Unit

Installation: PipingGTND-SVX01B-EN 29 rating of 500°F, or 3M #425 aluminum foil tape (or equivalent).6. Avoid running vent pipe through unheated space

Warnings, Cautions and NoticesGTND-SVX01B-EN 3 TrademarksTrane and the Trane logo are trademarks of Trane in the United States and other countries.WA

Installation: Piping30 GTND-SVX01B-ENFigure 28. All unit sizes: Horizontal arrangement, single wall vent system to single wall terminationVent pipe d

Installation: PipingGTND-SVX01B-EN 31 Figure 30. All unit sizes: Horizontal arrangement, single wall vent system to double wall termination12” min.(30

Installation: Piping32 GTND-SVX01B-ENSeparated CombustionUnit Sizes 30–120 Only: Category IIICombustion Air Venting and Piping1. The combustion air s

Installation: PipingGTND-SVX01B-EN 33 Z223.1 National Fuel Gas Code. In Canada installation must be in accordance with CAN/CGA-B149.1 “Installation Co

Installation: Piping34 GTND-SVX01B-ENFigure 33. Unit sizes 30–120: Concentric vent installationFigure 34. Unit sizes 30–120: Vertical intake/vent ins

Installation: PipingGTND-SVX01B-EN 35 Air Inlet CollarRemove screen and mounting plate from air inlet on rear panel of unit by removing 4 screws. Sec

Installation: Piping36 GTND-SVX01B-ENInstall thimble if required by local codes or type of wall construction. Concentric vent box may be fastened dir

GTND-SVX01B-EN 37 Installation: ElectricalElectrical ConnectionsStandard units are shipped for use on 115 volt, 60 hertz single phase electric power.

Installation: Electrical38 GTND-SVX01B-ENThermostat Heat Anticipator Adjustments. The initial heat anticipator setpoint should equal the thermostat’

GTND-SVX01B-EN 39 Start-UpAll Unit Sizes: OperationPower Vented Propeller Units—Direct Spark IgnitionExplanation of ControlsNote: Refer to figures:• U

4 GTND-SVX01B-ENIntroductionFor Your SafetyThe use and storage of gasoline or other flammable vapors and liquids in open containers in the vicinity of

Start-Up40 GTND-SVX01B-EN3. Turn on the electrical power. The unit heater should now be under the control of the thermostat. Set the thermostat to it

Start-UpGTND-SVX01B-EN 41 b. Remove the regulator adjustment screw cap, located on the combination gas valve.c. With a small screwdriver, rotate the

Start-Up42 GTND-SVX01B-ENTa b l e 10 . All unit sizes: Tubular unit heater high altitude manifold pressureAltitude (ft)Natural Gas Propane (LP) GasH

Start-UpGTND-SVX01B-EN 43 Gas Equipment Start-Up Customer _____________________________________________ Job Name & Number ______________________

44 GTND-SVX01B-ENMaintenancePeriodic ServiceAll Maintenance/Service information should be recorded accordingly on the inspection sheet provided in thi

MaintenanceGTND-SVX01B-EN 45 close tightly, completely extinguishing the flame on the main burner(s).12. Inspect and service the motor/fan assemblies.

46 GTND-SVX01B-ENDiagnosticsTroubleshootingWARNINGHazardous Service Procedures!The maintenance and troubleshooting procedures recommended in this sect

DiagnosticsGTND-SVX01B-EN 47 G. Failure to ignite. 1. Gas supply is off. 1. Open all manual gas valves. Check for leaks.2. Lack of power at unit. 2.

Diagnostics48 GTND-SVX01B-ENN. Fan will not stop. 1. Control board is in flame failure mode.1. Turn 115V power off to the unit, wait 10 seconds, and

DiagnosticsGTND-SVX01B-EN 49 1. Check the system thermostat to make sure it is calling for heat. (Do not cycle the thermostat on and off at this time.

Table of ContentsGTND-SVX01B-EN 5Warnings, Cautions and Notices . . . . . . . . . . 2Model Number Descriptions . . . . . . . . . . . . . . 6Indoor

50 GTND-SVX01B-ENWiring DiagramsFigure 42. All unit sizes: UT Control board

Wiring DiagramsGTND-SVX01B-EN 51 Figure 43. Unit sizes 30–120: Natural & propane (LP) gas with single-stage gas control & UT control boardN

Wiring Diagrams52 GTND-SVX01B-EN Figure 45. Unit sizes 150–400: Natural and propane (LP) gasFigure 46. Unit sizes 150–400: Optional two-stage igni

Trane optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader in creating and sustaining safe, com

6 GTND-SVX01B-ENModel Number DescriptionsIndoor Gas Heating UnitsNote: All units are AGA approved. For CGA approved units, contact Air Handling Produ

GTND-SVX01B-EN 7 General InformationDescriptionThe Tubular Gas-Fired Unit Heater is a factory assembled, power vented, low static pressure type propel

General Information8 GTND-SVX01B-EN• Turn off the gas supply and disconnect all electric power, including remote disconnects before servicing unit. F

General InformationGTND-SVX01B-EN 9 Figure 3. Unit sizes 30–120: Unit parts #Description1. Vestible Panel/Tube Assembly (Heat Exchanger)2. Bracket/G