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Trane RT-PRC007-EN manual Introduction, Packaged Rooftop Air Conditioners

Models: RT-PRC007-EN

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Introduction

Introduction

Packaged Rooftop Air Conditioners

Through the years,Trane has designed and developed the most complete line of Packaged Rooftop products available in the market today.Trane was the first to introduce the Micro —microelectronic unit controls— and again moved ahead with the introduction of theVoyager Commercial products.

The Voyager Commercial line offers 27½ to 50 ton models; five sizes to meet the changing demands of the commercial rooftop market.

Our customers demand thatTrane products provide exceptional reliability, meet stringent performance requirements, and to be competitively priced. Trane delivers with Voyager Commercial.

Voyager Commercial features cutting edge technologies like the reliable 3-D®Scroll compressors,Trane engineered microprocessor controls, computer- aided run testing, and Integrated Comfort™ Systems. So, whether you’re the contractor, the engineer, or the owner you can be certain Voyager Commercial Products are built to meet your needs.

It’s HardTo Stop ATrane®.

©American Standard Inc. 2001

RT-PRC007-EN

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Trane RT-PRC007-EN manual Introduction, Packaged Rooftop Air Conditioners

Contents

RT-PRC007-EN Packaged Rooftop Air Conditioners27 ½ to 50Ton - 60 Hz Voyager Commercial OctoberIntroduction Packaged Rooftop Air ConditionersContents Optional Features Features and BenefitsStandard Features Trane 3-D Scroll Compressor Features and BenefitsProven DesignThroughTesting and Research Simple Design with 70% Fewer PartsMicro Controls Features and BenefitsQuality and Reliability The MicroEase of Installation Features and BenefitsRigorousTesting Single Point PowerEasy Access LowVoltageTerminal Board Features and BenefitsEasy to Service Power Exhaust OptionVariTrac Features and BenefitsVariTrac Downflow and Horizontal EconomizersExhaust Air Options Application ConsiderationsApplication Recommendations Power Exhaust Fan Barometric Relief DampersClearance Requirements Application ConsiderationsAcoustical Considerations Duct DesignSelection Procedure Supply Air FanElectric Heating System Selection ProcedureAir Delivery Procedure Natural Gas Heating SystemDigit 1, 2 - Unit Function Model Number DescriptionDigit 8 - Power Supply See Note Digit 3 - Unit Airflow DesignGeneral Data Table GD-1- General Data - 27 1/2 - 30 TonsGeneral Data Table GD-2-General Data - 35-40TonGeneral Data Table GD-3-General Data - 50TonRooftop Leaving AirTemperature degrees F Performance Adjustment FactorsAltitude/Temperature Correction Air Density Table PD-1-Enthalpy of Saturated AIRPerformance Data Table PD-5-30Ton Gross Cooling Capacities MbhTable PD-7- 40Ton Gross Cooling Capacities Mbh Performance DataTable PD-6- 35Ton Gross Cooling Capacities Mbh Performance Data Table PD-8- 50Ton Gross Cooling Capacities MBhTable PD-10- Available Electric Heat KW Ranges Table PD-9- Electric Heat AirTemperature RisePerformance Data Table PD-11- Natural Gas Heating CapacitiesFigure PD-2 Performance DataTable PD-12- Supply Fan Performance - 27½ - 35Ton Performance Data Performance Data Heating SystemPerformance Data Table PD-15- Supply Air Fan Drive SelectionsTable PD-16-Power Exhaust Fan Performance Performance DataSupply Air Setpoint Reset Controls2 Supply AirTemperature Controls a Reset Based on Outdoor AirTemperatureOccupied ZoneTemperature Control b Reset Based On Zone Or Return Temperature3 ZoneTemperature Control ControlsAuto Changeover ControlsSupply AirTempering ConventionalThermostat InterfaceControls Occupied/Unoccupied SwitchingFan Failure Switch Coil Freeze Protection FROSTATSet 2. Rooftop units with Electric Heat Electrical DataElectrical Service Sizing Electrical Data Fan Motors1/16 Dimensional DataFigure DD-1- 27 1/2 - 35Tons TC,TE,YC Low Heat Dimensional Data Figure DD-2- 27 1/2 - 35Tons YC High Heat1/16 Dimensional DataFigure DD-3- 40-50TonsTC,TE,YC Low & High Heat Variable Air DimensionalVolume VAV DataDimensional Volume CVConstant Field Installed SensorsZONETEMPERATURE SENSORW/TIMED OVERRIDE BUTTON CV and VAVDimensional AND LOCAL SETPOINT ADJUSTMENT BAYSENS0141Basic UnitWeights1 WeightsTableW-1- Approximate OperatingWeights - Lbs.2 TableW-2- Point Loading AverageWeight1Casing Mechanical SpecificationsGeneral FiltersServiceValves Mechanical SpecificationsPower Exhaust Fan Non-FusedDisconnect SwitchDifferential Pressure Switches Mechanical SpecificationsAccessories HighTemperatureThermostatsMechanical Specifications LP Conversion Kit20-60Ton RT-PRC007-ENFile Number Literature Order NumberRT-PRC007-EN PL-RT-TC/TE/YC-27½- 50-TONS-PRC0007-EN-10-2001