Trane TSD Thermostat signals are as follows, Heat pump only, Conventional thermostat Heat pump

Page 49

Operation

Conventional thermostat signals represent direct calls for unit functions. In their simplest applications, thermostat contacts directly control contactors or other load switching devices. This function provides inputs for the thermostat signals and processing to enhance reliability and performance. Compressor protection and reliability enhancement functions (HPC, LPC, Minimum On/Off timers, etc.). All operate the same whether applied with zone sensors or a conventional thermostat.

Logic is also provided to cause appropriate unit functions when inappropriate thermostat signals are provided. Simultaneous calls for heating and cooling will be ignored, and the fan will be turned on with a call for heating or cooling even if the fan request is not detected.

If the thermostat is immediately changed from a heating to a cooling call, or vice versa, there will be a five minute delay before the new call will initiate.

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

Table 44

Conventional thermostat Gas / Electric, Electric Heat

Input / connection

Function when energized

 

 

G (fan)

Fan runs continuously except during unoccupied mode (see next page)

 

 

 

Y1

(compressor 1 or economizer)

Compressor #1 runs or economizer operates

 

 

 

Y2

(compressor 2 or compressor 1 while economizing)

Compressor #2 also runs, or #1 compressor runs while economizing

 

 

W1 (gas / electric heat first stage)

1st stage heat

 

 

W2 (gas / electric heat 2nd stage)

2nd stage heat (if available)

 

 

 

Table 45

 

 

Conventional thermostat Heat pump

 

 

Input / connection

Function when energized

 

 

Cooling mode

 

 

 

G (fan)

Fan runs continuously except during unoccupied mode (see next page)

 

 

O (reversing valve during cooling)

Reversing valve in cool mode

 

 

 

Y1

+ O (first cooling stage)

Compressor #1 runs or economizer operates

 

 

 

Y1

+ Y2 + O (2nd cooling stage)

Compressor #2 also runs, or #1 compressor runs while economizing

 

 

Heating mode

 

 

 

G (fan)

Fan runs continuously except during unoccupied mode (see next page)

 

 

 

Y1

(both compressors 1st heating stage)

Both compressors run

 

 

 

Y2

(during heating nothing happens)

No change

 

 

W2 (electric heat 2nd stage)

2nd stage (electric) heat

 

 

X2 (electric heat only)

Electric heat 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-SVX20A-E4

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Image 49
Contents Installation Operation Maintenance Foreword General informationMaintenance contract WarrantyReception RefrigerantContents Unit Options Roof curb accessory Roof curb Installation TSD-WSD-YSD accessoriesReception of units Rooftop unitUnit weights and center of gravity Dimensions/Weights/ ClearancesMinimum recommended clearances Motorized Manual Factory-installed options and accessories net weights kgElectric Hot water Unit size Motor HeatersDischarge Conversion Installing the unitUnit mounting on roof Downflow discharge units TSD,WSD,YSD Using the rooftop curb Installing the unit on the groundConnection of duct network Horizontal discharge units TSH,WSH,YSHDuct dimensions for horizontal units Duct dimensions for downflow units mmCondensate drain piping Gas leak check procedure Gas pipework installationGas burner models UnitSupply fan adjustment Filter installationFilter arrangement Unit EU2/G2 EU4/G4 Quantity SizeTo increase airflow To adjust beltTo decrease airflow Motor sheave / Fan speedComponent air pressure drops Pressure drop through accessoriesUnit Airflow Filter 100%TSD 060 Available static pressure Supply fan performancesTSH 060 Available static pressure TSH 072 Available static pressure TSD 072 Available static pressureTSH 090 Available static pressure TSD 090 Available static pressureTSH 102 Available static pressure TSD 102 Available static pressureTSH 120 Available static pressure TSD 120 Available static pressureYSH 060 Available static pressure YSD 060 Available static pressureYSH 072 Available static pressure YSD 072 Available static pressureYSH 090 Available static pressure YSD 090 Available static pressureStandard drive Oversize drive YSH 102 Available static pressure YSD 102 Available static pressureYSH 120 Available static pressure YSD 120 Available static pressureWSH 060 Available static pressure WSD 060 Available static pressureWSH 072 Available static pressure WSD 072 Available static pressureWSH 090 Available static pressure WSD 090 Available static pressurePower wiring Factory supplied disconnect switch optionElectrical connection Over current protectionAmpacity Size Unit wiringPh/Hz Without Electric heat option With Electric heatSupply fan motor Compressor and condenser motorsUnit controlled by thermostat Control wiringUnit controlled by BAS Zone sensor wire and maximum lengthUnit controlled by Tracker supervisor MaximumSpecifications CO2 sensor wire sizeCO2 sensors Wiring the duct-mounted CO2 sensor Wiring the wall-mounted CO2 sensorMounting the wall-mounted sensor Jumper settingsMounting 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 detectorThermostats Thermostat featuresCommunication Interfaces Other accessories availableRefer to separate documentation for more information Trane Communication Interface TCI-R boardDown flow units only Hot water coilEthylene glycol percentage Soft Starter Electric Heater25% manual fresh air hood 25% fresh air hoodBarometric relief Economizer flow chart with barometric reliefTerminal strip Operation with a conventional thermostatInput / connection Function when energized Cooling mode Thermostat signals are as followsHeating mode Heat pump onlyUnoccupied mode Setting the economizer or 0-50% motorized hood optionCooling/Economizer Operation Cooling/Economizer Operation with ThermostatECA board LED Minimum fresh air adjustmentOperating checklist before start-up Test proceduresPower-up initialization Test mode procedure at the ReliaTel control boardAuto Test Mode Step Test ModeTest modes Gas type designation per country Unit start-upGas burner data Final 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 ModuleLED status Final installation checklistAir filters End user routine maintenanceRefrigerant charge Condenser coil Service technician maintenanceHot 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 SwitchResistance Thermistor Resistance / Temperature ChartOutdoor Humidity Sensor To Test Humidity Sensors Return Air Humidity SensorHumidity sensor test DCmaRT-SVX20A-E4 RT-SVX20A-E4

TSD, TSH 060 specifications

The Trane TSH 060 and TSD series represent cutting-edge advancements in commercial HVAC systems, designed for efficient performance and enhanced reliability. These units are engineered for a wide range of applications, making them a popular choice for various industrial and commercial settings.

One of the standout features of the Trane TSH 060 is its energy efficiency. Equipped with advanced variable-speed scroll compressors, this series can modulate its output to match the specific cooling or heating demands of a building. This not only ensures optimal comfort but also significantly reduces energy consumption and operational costs. The integrated economizer enhances outdoor air usage, providing free cooling whenever outside conditions are favorable.

The TSD series complements the TSH models with its impressive flexibility and modular design. These units can be configured to accommodate diverse load requirements, ensuring that businesses can scale their HVAC solutions as their needs evolve. The TSD also incorporates Trane's proprietary Trane Tracerâ„¢ SC+ building management system, which allows for advanced monitoring and control capabilities. This system provides real-time data analysis and helps facilitate proactive maintenance, thereby minimizing downtime and maintenance costs.

Durability is another key characteristic of the TSH 060 and TSD units. Built with robust materials and components, these systems are designed to withstand the rigors of daily use in demanding environments. The corrosion-resistant cabinet and quality construction also contribute to extended service life and reduced risk of system failures.

In terms of sustainability, both the TSH 060 and TSD units use eco-friendly refrigerants, aligning with global initiatives to reduce greenhouse gas emissions. This commitment to environmentally responsible practices makes these HVAC systems a suitable choice for businesses aiming to enhance their sustainability profiles.

Finally, quiet operation is an essential feature of the Trane TSH 060 and TSD series. These units are designed with sound-dampening technology, ensuring that the systems operate discreetly without disrupting the work environment.

In summary, the Trane TSH 060 and TSD series offer a combination of energy efficiency, advanced technology, durability, and sustainability. Their modular design and compatibility with innovative building management systems make them ideal for businesses looking to optimize their HVAC systems while maintaining a commitment to environmental responsibility. With these features, Trane continues to set the standard in commercial HVAC solutions.