Trane RT-SVX19A-E4 User Manual

Voyager™ II Rooftop unitsCooling only TKD/TKH 155 175 200 250Reversible WKD/WKH 125 155 200Gas-Fired YKD/YKH 155 175 200 250R22 - R407C RefrigerantIns

InstallationRT-SVX19A-E410Installing the unit1) Unit mounting on roofFix the rooftop curb on the jointbeam of the building's structure.Make the r

Installation11RT-SVX19A-E4RT-SVX19A-E4Connection of ductnetwork1) Downflow discharge units(TKD,WKD,YKD)Using the rooftop curb• The rooftop curb must b

InstallationRT-SVX19A-E412Figure 7 - Condensate drain line connection1 = Static pressure drain pan2 = Panel enclosure3 = 42mm PVC drain4 = Cleanout pl

Installation13RT-SVX19A-E4Gas pipework installation The installation must conform to allstandards and regulations. The gas supply pipework and gasstop

InstallationRT-SVX19A-E414CAUTION! Do not operate unitwithout filters in place.The maximum pressure dropsallowable on filters are:EU2/G2: 120 PaEU4/G4

Installation15RT-SVX19A-E4Supply fan adjustmentUse the following procedure todetermine the proper adjustment ofthe supply fan for a specificapplicatio

InstallationRT-SVX19A-E416To increase airflowLoosen variable sheave set screwand turn sheave clockwise.To decrease airflowLoosen variable sheave set s

Installation17RT-SVX19A-E4Component air pressure dropsTable 7 - YKD/YKH Pressure drop through accessoriesFilter Filter Economizer EconomizerAirflow EU

InstallationRT-SVX19A-E418Table 8 - TKD/TKH Pressure drop through accessoriesFilter Filter Economizer Economizer Electric Hot water coilAirflow EU2/G2

Installation19RT-SVX19A-E4RT-SVX19A-E4Table 9 - WKD/WKH Pressure drop through accessoriesAirflowFilter EU2/G2FilterEU4/G4Economizer100% outside airEco

ForewordThese instructions are given as aguide to good practice in theinstallation, start-up, operation, andmaintenance by the user, of TraneTKD/TKH,

InstallationRT-SVX19A-E420Supply fan performancesTable 10 - YK 155 External static pressure Standard driveOversized driveExternal Static Pressure (Pa)

Installation21RT-SVX19A-E4Table 11 - YK 175 External static pressure Standard driveOversized driveTable 12 - YK 200 External static pressure Standard

InstallationRT-SVX19A-E422Table 13 - YK 250 External static pressure Standard driveOversized driveExternal Static Pressure (Pa)275 300 325 350 375 400

Installation23RT-SVX19A-E4Table 15 - TK 175 External static pressure Standard driveOversized driveExternal Static Pressure (Pa)275 300 325 350 375 400

InstallationRT-SVX19A-E424Table 17 - TK 250 External static pressure Standard driveOversized driveExternal Static Pressure (Pa)275 300 325 350 375 400

Installation25RT-SVX19A-E4Table 19 - WK 155 External static pressure Standard driveOversized driveExternal Static Pressure (Pa)275 300 325 350 375 400

InstallationRT-SVX19A-E426Electrical connectionThe electric panel is located in theunit compressor section. Removethe compressor access panel. Theunit

Installation27RT-SVX19A-E4Scroll compressors Compressor electrical phasingProper phasing of the electricalpower wiring is critical for properoperation

InstallationRT-SVX19A-E428Table 22 - Electrical data - TKD/TKH Compressor motor and condenser motor(1) At Eurovent rating conditions : Indoor return A

Installation29RT-SVX19A-E4Table 24 - Electrical data - WKD/WKH Compressor motor and condenser motor(1) At Eurovent rating conditions : Indoor return A

WarrantyWarranty is based on the generalterms and conditions of themanufacturer. The warranty is void ifthe equipment is repaired ormodified without t

InstallationRT-SVX19A-E430Table 26 - Electrical data - YKD/YKH Supply fan motor(4) At the nominal airflow with standard drive(5) At the nominal airflo

Controls31RT-SVX19A-E4Control wiringThe control circuit is 24 V AC. Unitincludes a 400/24 V transformer.WARNING!The unit disconnectswitch must be open

ControlsRT-SVX19A-E432Unit controlled by BASEach unit must be equipped with aTCI-R board. A communication bus(twisted shielded pair) must linkeach TCI

Controls33RT-SVX19A-E4CO2sensorsWall-mounted and duct-mountedCO2sensorsTable 30 - SpecificationsWaII-mounted Duct-mountedMeasuring range CO20-200 ppmA

ControlsRT-SVX19A-E434Power supply requirementsCAUTION! Make sure that youconnect the power wire only to the24V terminal. Connecting the powerwire to

Controls35RT-SVX19A-E4Mounting the duct-mounted CO2sensor1. Select a proper location on theduct to mount the CO2 sensor.2. Drill a 22-25 mm hole in th

Note:This potentiometer allows toadjust the permanent fresh airintake from 0 to 50%.0 W corresponds to closed fresh airdamper.270 W corresponds to 50%

Controls37RT-SVX19A-E4Fire thermostatThere are two sensors in the firethermostat Kit: Sensor X13100040-01 is factory-set to open at 57°C.Sensor X13100

ControlsRT-SVX19A-E438Clogged filter detectorThis device is mounted in the filtersection. The sensor measures thedifference in pressure before andafte

Controls39RT-SVX19A-E4Other accessories availableRemote temperature sensor to beused with THS/THP 01-02TZS01: Remote room temperaturesensor to be used

RT-SVX19A-E44ContentsForeword 2Warnings and Cautions 2Safety recommendations 2Reception 2Warranty 3Refrigerant 3Maintenance contract 3Storage 3Trainin

Unit OptionsRT-SVX19A-E440Hot water coil (Down flow units only)In order to prevent water to freezeup in the coil during unoccupiedperiod or shutdown l

Unit Options41RT-SVX19A-E4Electric HeaterElectric heaters are fitted on the fandischarge.Heaters have two heating stagesand provided with two types of

Unit OptionsRT-SVX19A-E4420 - 25% fresh air hoodThe 0-25% fresh air hood allows tointroduce fresh air into the unit. This is a manual device fitted on

This option includes exhaust hoodsand gravity dampers located in thereturn air section (Figure 22). Whenthe pressure of the buildingincrease, the grav

OperationRT-SVX19A-E444Operation with aconventional thermostatThe ReliaTel module hasconventional thermostatconnections as well as Zone SensorModule c

Operation45RT-SVX19A-E4Thermostat signals are as follows:R 24VAC power to thermostatY1 Call for compressor 1 or firststage coolingY2 Call for compress

OperationRT-SVX19A-E446Unoccupied mode:If the thermostat being used isprogrammable, it will have its ownstrategy for unoccupied mode andwill control t

Operation47RT-SVX19A-E4Setting the economizer or 0-50% motorized hood(option)The ECA board is mounted on thedamper actuator. To access the ECAboard on

OperationRT-SVX19A-E448Figure 22 - Minimum fresh air adjustment1 = ECA board123412121212121212EXFEXFMATOAHAH/OAEOATRATRAHAH/RAEDCVDCV2-10 VDC2-10 VDCF

Operation49RT-SVX19A-E4Test proceduresOperating checklist before start-up• Unit is level, with sufficientclearance all round• Duct network is correc

Contents5RT-SVX19A-E4Unit Options 40Hot water coil 40Electric Heater 41Soft Starter 410 - 25% fresh air hood 42Barometric relief 43Operation 44Opera

OperationRT-SVX19A-E450Test modesThere are 2 methods in which the"Test" mode can be cycled with thetest button:1. Step Test ModeThis method

Operation51RT-SVX19A-E4Unit start-upVerification of gas valve settings -(Reserved for the qualified gastechnician)WARNING! Improper gas valvesetting m

OperationRT-SVX19A-E452Table 37 - Marking category of the gas section in different countriesTable 38 - Gas burner dataCountry FR CH+ES-GB-IE-PT IT NL

Operation53RT-SVX19A-E4Starting the unit in cooling modeBefore start-up, ensure that allpower cables are tightened.Verify that the unit airflow rate i

OperationRT-SVX19A-E454ReliaTel™ is a microelectroniccontrol feature, which providesoperating functions that aresignificantly different fromconvention

Operation55RT-SVX19A-E4Low Ambient OperationDuring low ambient operation,outside air temperature below 13ºC,the RTRM will cycle the compressorand outd

Economizer Set-UpAdjusting the minimum positionpotentiometer located on the uniteconomizer Actuator (ECA) sets therequired amount of ventilation air.T

Final installation checklist• Is the condenser fan and indoorblower operating correctly, i.e.:correct rotation and withoutundue noise?• Are the comp

MaintenanceRT-SVX19A-E458To keep the unit operating safelyand efficiently, the manufacturerrecommends that a qualified servicetechnician check the ent

Note: Do not attempt to cleandisposable filters. Permanent filterscan be cleaned by washing with amild detergent and water. Ensurethat the filters are

InstallationRT-SVX19A-E46General information :Theinstallation must conform to alllocal standards and regulations.Reception of unitsRooftop unitThe uni

System Status Checkout Procedure"System Status" is checked by usingone of the following two methods:Method 1If the Zone Sensor Module (ZSM)

Maintenance61RT-SVX19A-E4Below is the complete listing offailure indication causes:System failureCheck the voltage betweenterminals 6 and 9 on J6, it

Zone Temperature Sensor (ZTS)Service IndicatorThe ZSM SERVICE LED is a genericindicator that will signal the closingof a Normally Open switch at anyti

Maintenance63RT-SVX19A-E4Zone Temperature Sensor (ZTS) Test Note:These procedures are not forprogrammable or digital modelsand are conducted with the

Literature order number RT-SVX19A-E4Date 0805Supersedes RT-SVX04A and RT-SVX05ALiterature stocking location EuropeTrane has a policy of continuous pr

Roof curb Installation(TKD-WKD-YKDaccessories)Roof curbs are available as anaccessory for "downflow" units tosupport the unit and ensure the

InstallationRT-SVX19A-E48Dimensions/Weights/ClearancesFigure 3 - Minimum clearancesTable 2 - Minimum clearances (mm)The structure accommodating the un

Installation9RT-SVX19A-E4InstallationTable 3a - Weigths & center of gravity (Figure 1)1. Corner weights are given for information only. All models