Trane RT-SVX19A-E4 manual Thermostat signals are as follows, Conventional thermostat Heat Pump

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Operation

Thermostat signals are as follows:

R 24VAC power to thermostat

Y1 Call for compressor 1 or first stage cooling

Y2 Call for compressor 2 or 2nd stage cooling

G Call for supply fan

W1 Call for heat 1

W2 Call for heat 2

Heat pump only:

X2 Call for emergency heat

O Switchover valve On = cooling, Off = heating

T Bias for heat anticipation for those mechanical thermostats that use this function

Conventional thermostat – Gas/ Electric, Electric Heat:

Function when

Input/connection energized :

G (fan)

Fan runs continuously

 

except during

 

unoccupied mode

 

(see next page)

Y1 (compressor 1 Compressor #1 runs

or economizer) or economizer operates

Y2 (compressor 2 Compressor #2 also or compressor 1 runs, or #1

while economizing) compressor runs while economizing

W1 (gas / electric

1st stage heat

heat first stage)

 

W2 (gas / electric

2nd stage heat (if

heat 2nd stage)

available)

Conventional thermostat –

Heat Pump

 

Function when

Input/connection

energized

Cooling mode:

 

G (fan)

Fan runs continuously

 

except during

 

unoccupied mode

 

(see next page)

O (reversing valve

Reversing valve in

during cooling)

cool mode

Y1 + O

Compressor #1 runs

(first stage cooling) or economizer

 

operates

Y1 + Y2 + O

Compressor #2 also

(2nd stage cool)

runs, or #1

 

compressor runs

 

while economizing.

Heating mode:

 

G (fan)

Fan runs continuously

 

except during

 

unoccupied mode

 

(see below)

Y1 (both

Both compressors

compressors 1st

run

stage heat)

 

Y2 (during heating

No change

– nothing happens)

 

W2 (electric heat

2nd stage (electric)

2nd stage)

heat

X2 (electric heat

Electric heat only –

only)

no compressors

T (provides heat anticipation signal for those mechanical thermostats that use this feature. If the thermostat used does not have a “T” terminal, disregard this terminal.

RT-SVX19A-E4

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Contents Installation Operation Maintenance Foreword Safety recommendationsReception Reception in France onlyMaintenance contract WarrantyRefrigerant StorageContents Unit Options Reception of units Rooftop unitUnit handling Roof curb Installation TKD-WKD-YKD accessories Sling lengths and maximum unit weightUnit size Minimum clearances Minimum clearances mm Dimensions/Weights/ClearancesWeigths & center of gravity Figure Weights of Options & accessoriesInstalling the unit Installing the unit on the groundUnit mounting on roof Downflow discharge units TKD,WKD,YKD Using the rooftop curb Connection of duct networkHorizontal discharge units TKH,WKH,YKH Condensate drain line connection Condensate drain pipingGas leak check procedure Gas pipework installationGas burner models UnitFilter arrangement Filter installationSupply fan adjustment Motor sheave / Fan speedFan Speed RPM Standard Drive To decrease airflow To increase airflowTo increase belt tension Belt tensioningComponent air pressure drops YKD/YKH Pressure drop through accessoriesAirflow EU2/G2 EU4/G4 100% TKD/TKH Pressure drop through accessoriesTKD TKHFilter 100% WKD/WKH Pressure drop through accessoriesWKD WKHYK 155 External static pressure Supply fan performancesYK 175 External static pressure YK 250 External static pressure TK 200 External static pressure TK 175 External static pressureTK 250 External static pressure External Static Pressure Pa 275 300275 300 WK 155 External static pressure Power wiring Factory supplied Disconnect switch OptionElectrical connection TKD/TKH, WKD/WKH units YKD/YKH unitsElectrical Characteristics Unit amps Electrical data YKD/YKH Unit WiringScroll compressors Compressor electrical phasing With Electric heatOutdoor Fan 155 175 200 250 Compressor155 200 Compressor Electrical data TKD/TKH Supply fan motor155 175 200 250 Indoor Fan Electrical data YKD/YKH Supply fan motor Electrical data WKD/WKH Supply fan motorElectrical data Combustion Blower Motorr Zone sensor wire size and maximum length Control wiringMaximum length Zone sensor wire size Unit controlled by thermostatUnit controlled by Tracker supervisor Unit controlled by BASSpecifications CO2 sensorsWall-mounted and duct-mounted CO2 sensors Wiring the wall-mounted CO2 sensor Power supply requirementsWiring the duct-mounted CO2 sensor CO2 sensor wire sizeMounting the duct-mounted CO2 sensor CO2 sensor maintenanceRemote potentiometer Remote potentiometer dimensionsDuct mounting of fire thermostat Fire thermostatRemote fault relay High temperature safety thermostatClogged filter detector Smoke detectorCommunication Interfaces Hot water coil Hot water coil Installation and connectionDown flow units only Water connection inlet/outlet 1 ¼ ISO R7Soft Starter Electric Heater25% manual fresh air hood 25% fresh air hoodDownflow version Barometric reliefOperation with a conventional thermostat OperationThermostat signals are as follows Conventional thermostat Gas/ Electric, Electric HeatConventional thermostat Heat Pump Cooling/Economizer Operation Unoccupied modeCooling/Economizer Operation with Thermostat1,2 OK toECA board LED Setting the economizer or 0-50% motorized hood optionMinimum fresh air adjustment Test procedures Power-up initializationTest mode procedure at the ReliaTel control board Auto Test Mode Step Test ModeTest modes StepGas valve Unit start-upGas burner data Marking category of the gas section in different countriesFinal installation checklist Starting the unit in cooling modeCheck torque of power cables contact Operating pressuresEvaporator Fan Operation Cooling without an EconomizerCooling with an Economizer Low Ambient OperationEconomizer Set-Up Potentiometer SettingReliaTel Control Heating Operation Ignition ModuleFinal installation checklist DiagnosticsLED status End user routine maintenance Air filtersRefrigerant charge Service technician maintenance Condenser coilHot water coil option System Status Checkout Procedure TroubleshootingSystem failure Service FailureHeating Failure Cooling FailureZone Temperature Sensor ZTS Service Indicator Resetting Cooling and Ignition LockoutsClogged Filter Switch Fan Failure SwitchThermistor Resistance / Temperature Chart Temperature/resistance coefficient is negativeLiterature order number

RT-SVX19A-E4 specifications

The Trane RT-SVX19A-E4 is a groundbreaking rooftop unit designed for versatile commercial heating and cooling applications. This model stands out for its innovative technology and robust features, making it a preferred choice for many businesses seeking efficient climate control solutions.

One of the primary characteristics of the RT-SVX19A-E4 is its exceptional energy efficiency. It utilizes advanced variable-speed technology, allowing it to adjust the compressor's output based on real-time demand. This not only reduces energy consumption significantly but also provides more accurate temperature control, enhancing overall comfort within the space. The unit is designed with high-efficiency fan motors and optimized heat exchangers, which contribute to its impressive Seasonal Energy Efficiency Ratio (SEER) and Energy Efficiency Ratio (EER) ratings.

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