Trane Rooftop WSHP Installation Manual

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

10 WSHP-SVX12B-ENDimensionsUnit Clearances

DimensionsWSHP-SVX12B-EN 11Figure 1. 036 to 048 Clearances 3-4 tons economizer, manual or motorized fresh air damper 3-4 tons - swing diameter for

Dimensions12 WSHP-SVX12B-ENFigure 2. 060 to 072 Clearances5-6 tons - economizer, manual or motorized fresh air damperNote: All dimensions are in inche

DimensionsWSHP-SVX12B-EN 13Figure 3. 090 Clearances7½ tons power exhaust 7½ tons swing diameter for hinged door(s) optionNote: All dimensions are in i

Dimensions14 WSHP-SVX12B-ENFigure 4. 120 Clearances10 tons exhaust 10 tons swing diameter for hinged door(s) option Note: All dimensions are in inche

DimensionsWSHP-SVX12B-EN 15Figure 5. 150 - 300 ClearancesWhen applying economizer to horizontal units, connected ductwork must be run full size to all

Dimensions16 WSHP-SVX12B-ENFigure 6. 3 to 4-Ton Unit

DimensionsWSHP-SVX12B-EN 17Figure 7. 5 -Ton Unit

Dimensions18 WSHP-SVX12B-ENFigure 8. 6 -Ton Unit

DimensionsWSHP-SVX12B-EN 19Figure 9. 7 1/2-Ton Unit

© 2013Trane All rights reserved WSHP-SVX12B-ENWarnings, Cautions and NoticesWarnings, Cautions and Notices. Notethat warnings,cautions and notices app

Dimensions20 WSHP-SVX12B-ENFigure 10. 10 -Ton Unit

DimensionsWSHP-SVX12B-EN 21Figure 11. 12 1/2 and 15-Ton Unit(a) See tables in chapter “General Data,” p. 13, for water connection sizes.12 5/16"

Dimensions22 WSHP-SVX12B-ENFigure 12. 20-Ton Unit20 7/8" 530mm12 1/2" 317mm24 1/4" 616mm

DimensionsWSHP-SVX12B-EN 23Figure 13. 25-Ton Unit(a) See tables in chapter “General Data ” p 13 for water connection sizes64”1626 mm20 13/16" 529

Dimensions24 WSHP-SVX12B-ENFigure 14. 3 to 4-Ton Roofcurb

DimensionsWSHP-SVX12B-EN 25Figure 15. 5, 6 and 7 1/2 -ton roofcurb(a) See tables in chapter “General Data,” p. 13, for water connection sizes.12 5/16&

Dimensions26 WSHP-SVX12B-ENFigure 16. 10 -Ton Roofcurb20 7/8" 530mm12 1/2" 317mm24 1/4" 616mm

DimensionsWSHP-SVX12B-EN 27Figure 17. 12 1/2 to 25-Ton Roofcurb(a) See tables in chapter “General Data,” p. 13, for water connection sizes.64”1626 mm2

Dimensions28 WSHP-SVX12B-ENWARNINGHeavy Objects!Do not use cables (chains or slings) except as shown.Each of the cables (chains or slings) used to lif

DimensionsWSHP-SVX12B-EN 29Table 3. Option and accessory weightsOption/Accessory Description Net Weight 036-060 Net Weight 072-120 Net Weight 150-180,

Warnings, Cautions and NoticesWSHP-SVX12B-EN 3IntroductionRevision Summary.WSHP-SVX12B-ENCorrected dimensions and added center of gravityinformation.T

30 WSHP-SVX12B-ENInstallationGeneral Installation ChecksThe checklist below is a summary of the steps required tosuccessfully install a commercial uni

InstallationWSHP-SVX12B-EN 31If anchoring is required, anchor the unit to the roof withhold-down bolts or isolators.Check with the contractor for prop

Installation32 WSHP-SVX12B-ENDrain ConnectionAn evaporator condensate drain connection is providedon each unit.The condensate drain pan is factory ins

InstallationWSHP-SVX12B-EN 333. Position duct covers. Rotate the supply duct cover 90-degrees to allow it to be slid into the supply opening.Note: If

Installation34 WSHP-SVX12B-ENField Installed Power WiringVerify that the power supply available is compatible withthe unit’s nameplate.The available s

InstallationWSHP-SVX12B-EN 35The transformer is located in the control panel.The circuitbreaker is located on the left side of the transformer andcan

Installation36 WSHP-SVX12B-ENFigure 26.

InstallationWSHP-SVX12B-EN 37Controls Using 24 VACBefore installing any wire, refer to the electrical accesslocations in Figure 24, p. 34.1. Use coppe

38 WSHP-SVX12B-ENElectrical RequirementsTable 6. Electrical perfomanceModel No. Unit VoltsTotal Unit FLAComp RLA (ea)Comp LRA (ea)No. of Compres.Blowe

Electrical RequirementsWSHP-SVX12B-EN 39GERE150208/60/3 33.0 22.4 149.0 2 10.60 3 1 61.0 80230/60/3 33.0 22.4 149.0 2 10.60 3 1 61.0 80460/60/3 15.4 1

4 WSHP-SVX12B-ENTable of ContentsWarnings, Cautions and Notices ... 2Introduction ... 3Model Number Descriptions ...

Electrical Requirements40 WSHP-SVX12B-ENTable 7. Electrical Perfomance for units with electric heat (single point connection)Standard Indoor Motor Ove

Electrical RequirementsWSHP-SVX12B-EN 41GERE120BAYHTRB318A 13.5 37.5 1 96.1 100 — —BAYHTRB327A 20.3 56.3 2 119.7 125 — —BAYHTRB336A 27.0 74.9 2 142.9

Electrical Requirements42 WSHP-SVX12B-ENGERE120BAYHTRB318A 18.0 43.3 1 103.4 110 — —BAYHTRB327A 27.0 65.0 2 130.4 150 — —BAYHTRB336A 36.0 86.6 2 157.5

Electrical RequirementsWSHP-SVX12B-EN 43GERE120BAYHTRB418A 18.0 21.7 1 51.6 60 — —BAYHTRB427A 27.0 32.5 2 65.1 70 — —BAYHTRB436A 36.0 43.3 2 78.7 80 —

Electrical Requirements44 WSHP-SVX12B-ENGERE150AYDHTRKW18/AYHHTRMW1817.3 18.0 1 43.3 45 45.5 50AYDHTRKW36/AYHHTRMW3634.6 36.0 2 64.9 70 67.1 70AYDHTRK

WSHP-SVX12B-EN 45Pre-StartSpace Temperature AveragingSpace temperature averaging is accomplished by wiring anumber of remote sensors in a series/paral

Pre-Start46 WSHP-SVX12B-ENTable 8 lists the temperature versus resistance coefficientfor all sensors.Voltage ImbalanceThree phase electrical power to

Pre-StartWSHP-SVX12B-EN 47if the phase is ABC. If the CBA indicator light glows,open the disconnect switch or circuit protection switchand reverse any

Pre-Start48 WSHP-SVX12B-ENVerifying Proper Air Flow (Units with DDIndoor Fan)Much of the systems performance and reliability is closelyassociated with

Pre-StartWSHP-SVX12B-EN 490.99 x Motor HP (0.6) = .59 BHPThe actual external static pressure is approximately0.45" w.c., airflow equals 2100 CFM.

WSHP-SVX12B-EN 5Model Number DescriptionsDigits 1-3 — Unit ConfigurationGER= High Efficiency RooftopDigit 4 — DevelopmentSequenceEDigits 5-7 — Nominal

Pre-Start50 WSHP-SVX12B-ENWhen moving or installing the new belts, do not stretchthem over the sheaves. Loosen the belts using the belttension adjustm

Pre-StartWSHP-SVX12B-EN 51There are certain models however, if operated at lowairflow, will not develop an airflow velocity that falls withinthe requi

Pre-Start52 WSHP-SVX12B-ENHeating Start-upUsing Table 9, p. 48 continue the SERVICETEST start-upprocedure for each compressor circuit.1. Clamp an amp

WSHP-SVX12B-EN 53Start UpUse this form to thoroughly check-out the system andunits before and during start-up. (This form need not bereturned to the f

Start Up54 WSHP-SVX12B-ENWater Pressure DropTable 11 and Table 12 should be used to define feet ofhead/pressure drop. Please note the feet of pressure

WSHP-SVX12B-EN 55MaintenancePreventive MaintenanceMaintenance on the unit is simplified with the followingpreventive suggestions:Filter maintenance mu

56 WSHP-SVX12B-ENTroubleshootingWARNINGHazardous Service Procedures!The maintenance and trouble shooting proceduresrecommended in this section of the

TroubleshootingWSHP-SVX12B-EN 57High pressure switch openX Inadequate GPM Increase water flow to unitX Water too hot Decrease temperatureX Inadequate

58 WSHP-SVX12B-ENWarrantyStandard WarrantyThe standard water-source heat pump warranty isTraneparts-only warranty, running 12 months from startup, not

6 WSHP-SVX12B-ENGeneral InformationJobsite InspectionAlways perform the following checks before accepting aunit:• Verify that the nameplate data match

Trane optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader increating and sustaining safe, comf

General InformationWSHP-SVX12B-EN 7If this circuit is open before the compressor is started, thecompressor will not be allowed to operate. Anytime thi

General Information8 WSHP-SVX12B-ENallowed to restart for a minimum of 3-minutes should theFOS close.Smoke Detector Sensor (option)This sensor provide

General InformationWSHP-SVX12B-EN 9Remote Zone Sensor (BAYSENS016A)This bullet type temperature sensor can be used foroutside-air ambient sensing, ret