Trane RT-PRC007-EN manual Accessories

Page 43

Mechanical Specifications

Accessories

Roof Curb

The roof curb shall be designed to mate with the unit and provide support and a water tight installation when installed properly.The roof curb design shall allow field-fabricated rectangular supply/return ductwork to be connected directly to the curb when used with downflow units. Curb design shall comply with NRCA requirements. Curb shall ship knocked down for field assembly and include wood nailer strips.

Trane Communication Interface (TCI)

Shall be provided to interface with the Trane Integrated Comfort™ System and shall be available factory installed.The TCI shall allow control and monitoring of the rooftop unit via a two-wire communication link.

The following alarm and diagnostic information shall be available:

UCP Originated Data

•Unit operating mode

•Unit failure status Cooling failure Heating failure

Emergency service stop indication Supply fan proving

Timed override activation

High temperature thermostat status

•Zone temperature

•Supply air temperature

•Cooling status (all stages)

•Stage activated or not

•Stage locked out by UCP

•HPC status for that stage

•Compressor disable inputs

•Heating status

•Number of stages activated

•High temperature limit status

•Economizer status

•Enthalpy favorability status

•Requested minimum position

•Damper position

•Dry bulb/enthalpy input status

•Outside air temperature

•Outside relative humidity

•Sensor Failure Humidity sensor OAT sensor SAT sensor RAT sensor

Zone temperature sensor Mode input Cooling/heating setpoints from sensors

Static pressure transducer Unit mounted potentiometer SAT from potentiometer

Air reset setpoint from potentiometer

•Unit Configuration data Gas or electric heat Economizer present

•High temp input status

•Local setpoint

•Local mode setting

•Inlet Guide Vane position

Tracer Originated Data

•Command operating mode

•Host controllable functions: Supply fan

Economizer

Cooling stages enabled Heating stages enabled Emergency shutdown

•Minimum damper position

•Heating setpoint

•Cooling setpoint

•Supply air tempering enable/disable

•Slave mode (CV only)

•Tracer/Local operation

•SAT setpoint

•Reset setpoint

•Reset amount

•MWU setpoint

•MWU enable/disable

•SAT Reset type select

•Static pressure setpoint

•Static pressure deadband

•Daytime warm-up enable/disable

•Power exhaust setpoint

Zone Sensors

Shall be provided to interface with the Micro unit controls and shall be available in either manual, automatic programmable with night setback, with system malfunction lights or remote sensor options.

ConventionalThermostat Interface (CTI)

This field installed circuit board shall provide interface with electromechanical thermostats or automation systems. Not available with VAV system control.

Differential Pressure Switches

This field installed option allows dirty filter indication. The dirty filter switch will light the Service LED on the zone sensor and will allow continued unit operation.

Remote Potentiometer

A remote potentiometer shall be available to remotely adjust the unit economizer minimum position.

HighTemperatureThermostats

Field installed, manually resettable high temperature thermostats shall provide input to the unit controls to shut down the system if the temperature sensed at the return is 135 F or at the discharge 240 F.

Reference Enthalpy Kit

Field installed enthalpy kit shall provide inputs for economizer control based upon comparison of the outside air stream to a definable enthalpy reference point. May also be factory installed.

Comparative Enthalpy Kit

Field installed enthalpy kit shall provide inputs for economizer control based upon comparison of the enthalpies of the return and outdoor air streams. Also available factory installed.

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Contents Packaged Rooftop Air Conditioners American Standard Inc IntroductionContents Standard Features Features and BenefitsOptional Features LowTorque Variation Proven DesignThroughTesting and ResearchTrane 3-DScroll Compressor Simple Design with 70% Fewer PartsMicro Features BenefitsQuality and Reliability Micro ControlsFC Fans with Inlet GuideVanes RigorousTestingEase of Installation Single Point PowerValue Easy to ServiceVariTrac Altitude Corrections Application Recommendations Power Exhaust FanExhaust Air Options Barometric Relief DampersClearance Requirements Acoustical ConsiderationsDuct Design Supply Air Fan Selection ProcedureUnit Electrical Requirements Air Delivery ProcedureElectric Heating System Natural Gas Heating SystemModel Number Description Table GD-1 General Data 27 1/2 30 Tons General DataTable GD-2- General Data 35-40Ton Table GD-3- General Data 50Ton Table PD-1- Enthalpy of Saturated AIR Performance Adjustment FactorsTable PD-3 Gas Heating Capacity Altitude Correction Factors Table PD-4 27 1/2 Ton Gross Cooling Capacities MBh Performance DataTable PD-5- 30Ton Gross Cooling Capacities Mbh Table PD-7 40Ton Gross Cooling Capacities Mbh Table PD-6 35Ton Gross Cooling Capacities MbhTable PD-8 50Ton Gross Cooling Capacities MBh Table PD-10 Available Electric Heat KW Ranges Table PD-9 Electric Heat AirTemperature RiseTable PD-11 Natural Gas Heating Capacities Static Pressure in. wg1 Table PD-12 Supply Fan Performance 27½ 35TonTable PD-13 Supply Fan Performance 40 and 50Ton Heating System Filters2 Nominal Table PD-14 Component Static Pressure Drops in.W.G.1Gas Heat Electric Heat3 ID Coil 20 HP Table PD-15 Supply Air Fan Drive SelectionsNominal Drive Table PD-16- Power Exhaust Fan Performance VAV Units Only ControlsCV Units Only ConventionalThermostat Interface Unoccupied ZoneTemperature Control Cooling and HeatingSupply AirTempering Auto ChangeoverNight Setback Sensors Occupied/Unoccupied SwitchingFan Failure Switch Coil Freeze Protection FrostatElectrical Data Electrical Service SizingSet 2. Rooftop units with Electric Heat Table ED-2 27½-50Ton Electrical Service Sizing Data1 Figure DD-1 27 1/2 35Tons TC,TE,YC Low Heat Dimensional DataDimensional Data Figure DD-3 40-50Tons TC,TE,YC Low & High Heat Field Installed Sensors DimensionalConstant Integrated Comfort System Sensors CV and VAVTableW-4 Minimum Operating Clearances for Unit Installation WeightsTableW-2 Point Loading AverageWeight1 TableW-3 ComponentWeightsMechanical Specifications Unit Options Accessories LP Conversion Kit 20-60Ton File Number PL-RT-TC/TE/YC-27½ 50-TONS-PRC0007-EN-10-2001 Literature Order Number

RT-PRC007-EN specifications

The Trane RT-PRC007-EN is a part of Trane’s highly regarded line of air-cooled chillers, designed to provide exceptional performance and efficiency for a variety of commercial applications. This model is known for its robust engineering and cutting-edge technologies, making it a favored choice among facility managers and HVAC professionals.

One of the key features of the RT-PRC007-EN is its energy efficiency. Its advanced compressor design, alongside innovative heat exchanger technology, allows it to achieve significant energy savings, meeting or exceeding standards set by the Department of Energy. This efficiency not only results in lower operational costs but also contributes to a smaller carbon footprint, making it an environmentally friendly choice.

The chiller is equipped with variable speed compressors which adjust their output in relation to the cooling demand. This feature ensures optimal performance at all times, reducing energy consumption during partial load operations. Additionally, the RT-PRC007-EN incorporates Trane's unique Adaptive Control technology. This intelligent control system continuously monitors system parameters and environmental conditions, optimizing performance in real-time to ensure reliable operation.

Another standout characteristic of the RT-PRC007-EN is its quiet operation. The inclusion of sound-dampening technology and strategically placed acoustic insulation allows this chiller to operate with minimal noise, making it suitable for installations in noise-sensitive environments like hospitals or schools.

Durability is another hallmark of the RT-PRC007-EN. Built with high-quality materials, it is designed to withstand harsh operating conditions. Its corrosion-resistant components ensure longevity and reduce the need for extensive maintenance, making it a reliable choice for operators.

Lastly, the RT-PRC007-EN comes with a variety of customization options, including different refrigerant types, control systems, and capacity configurations. This flexibility allows it to adapt to the specific needs of different applications and building designs.

In summary, the Trane RT-PRC007-EN represents a fusion of efficiency, reliability, and advanced technology, making it an excellent option for those seeking a cutting-edge air-cooled chiller for their commercial HVAC needs.
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