Trane CG-PRC007-EN manual Mechanical 10-15TonSpecifications

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Mechanical (10–15Ton)Specifications

General

Units shall be assembled on heavy gauge steel mounting/lifting rails and shall be weatherproofed. Units shall include hermetic scroll compressors, plate fin condenser coil, fan(s) and motor(s), controls and complete factory installed operating charge of oil and R-22 refrigerant. Operating range shall be between 115°F and 0°F. Units shall be either UL or CSA certified and rated in accordance with ARI Standard 550/590-98.

Casing

Unit casing shall be constructed of

18-gauge zinc coated heavy gauge, galvanized steel. Exterior surfaces shall be cleaned, phosphatized and finished with a weather-resistant baked enamel finish. Units surface shall be tested to withstand a 500 consecutive hour salt spray durability test. Units shall have removable panels which allow access to major components and controls.

Refrigeration System

Unit shall have two separate and independent refrigeration circuits. Each refrigeration circuit shall have integral subcooling circuits. Refrigeration filter driers and sight glasses shall be provided as standard.

Compressors

Unit shall have twoTrane direct-drive hermetic scroll compressors with centrifugal oil pump and provide positive lubrication to all moving parts. Motor shall be suction gas-cooled and shall have a voltage utilization range of plus or minus 10 percent of nameplate voltage. Crankcase heater, internal temperature and current-sensitive motor overloads shall be included for maximum protection. External high and low pressure cutout devices shall be provided.

Condenser Coil

Coils shall be 3/8” copper tubes mechanically bonded to configured aluminum plate fin as standard. Factory

pressure and leak tested to 420 psig minimum air pressure and design working pressure shall be 376 psig. Metal grilles with PVC coating for coil protection are optional.

Evaporator

The evaporator shall have independent dual refrigerant circuits.The evaporator shall be stainless steel braze plate construction with a waterside working pressure of 350 psig and a refrigerant- side working pressure of 300 psig. One water pass with a drain connection.

Condenser Fan and Motor(s)

Direct-drive, statically and dynamically balanced propeller fan(s) with aluminum blades and electro-coated steel hubs shall be used in draw-thru vertical discharge position. Either permanently lubricated totally enclosed or open construction motors shall be provided and shall have built-in current and thermal overload protection. Motor(s) shall be ball bearing type.

Controls

The chiller shall be completely factory wired with necessary controls and contactor pressure lugs or terminal block for power wiring. Control wiring shall be 24-volt control circuit which includes fusing and control transformer.Time delay timers to prevent compressors in dual compressor units from simultaneous start-up and anti-recycle timers shall be standard.

Low Ambient Operation

Standard units shall start and operate to approximately 50°F. Optional head pressure control accessory permits operation at lower temperature extremes (see “General Data” section of this catalog).

OPTlONS

Field Installed

Low Ambient Head Pressure Control

Shall modulate the rpm of unit outdoor fan motor in response to unit head pressure. Accessory provides unit cooling operation to outdoor temperatures of 0°F.

Vibration Isolation Packages

Shall reduce transmission of noise and vibration to building structures, equipment and adjacent spaces. Packages shall be available in either neoprene-in-shear or spring-flex types.

Condenser Coil Guard

Metal grille with PVC coating shall be provided to alleviate coil damage.

Power Supply Monitor

Shall provide protection against phase loss/reversal, phase imbalance, incorrect phase sequence and low voltage.

ElapsedTime Meter/Number Starts Counter

Shall record number of compressor starts and operating hours of each compressor.

Integrated Comfort Systems (ICS) Interface

Shall provide the ability to communicate with theTraneTracer building management system viaTCM.

Flow Switch

Required as a safety interlock to prevent operation of unit without evaporator flow.

Gauges

Field-installed gauges monitor suction and discharge pressures.

Factory Installed

Black Epoxy Coil

The black epoxy coating provides excellent protection against aluminum corrosion.

Hot Gas Bypass

Allows unit operation below the minimum step of unloading.

Low Leaving SolutionTemperature Applications

Allows leaving solution temperatures as low as 20°F.This capability is standard from the factory on both 10 and 15-ton models.

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CG-PRC007-EN

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Contents Air-Cooled Liquid Chillers Introduction 10, 15Tons 20-60TonsContents Features 10-60TonBenefits 10-15Ton FlexibilityStandard Features Other Standard FeaturesOptional Features 20-60TonEnhanced Controls Tracer control points for IntelliPak ChillersProven DesignThroughTesting and Research Trane 3-D Scroll CompressorSimple Design with 70% Fewer Parts LowTorqueVariationSettingThe Unit Isolation and Sound EmissionServicing Unit Location GeneralWalled Enclosure Installations ProvideVertical ClearanceProvide Lateral Clearance Provide Sufficient Unit-to-Unit ClearanceTemperature Controller Leaving SolutionTemperature rangeLow Ambient Operation High Ambient OperationSupplyWaterTemperature Drop Example CGAFC50 with 100 gpm. Minimum LoopVolume =Gallon Minimum LoopVolume Series OperationApplication Considerations 10, 15Ton20-60Ton Selection Procedure GivenModel Number Description 10, 15Tons20-60Tons General Data Table GD-1 General Data 10-60Ton UnitsPerformance Adjustment Factors ∆ TWater Drop Pressure Performance Adjustment Factors Performance Adjustment Factors Performance Data 60 HZFull Load Table PD-1 10 Ton CGA20-25Ton Table PD-3 20Ton CGAF-C20Table PD-4 25Ton CGAF-C25 30-40Ton Table PD-5- 30Ton CGAF-C30Table PD-6 40Ton CGAF-C40 50-60Ton Table PD-7- 50Ton CGAF-C50Table PD-8- 60Ton CGAF-C60 10-30Ton Data 50 HZ40-60Ton Table PD-15 40Ton CGAF-C40Table PD-16 50Ton CGAF-C50 Table PD-17- 60Ton CGAF-C60Part Load Table PD-18- Part Load Data,ARI Points 10-60TonsTable PD-18 Part Load Data,ARI Points 10-60Tons Table PD-19 10Ton CGA Table PD-20 15Ton CGATable PD-21 20Ton CGAF-C20 Table PD-22 25Ton CGAF-C25Table PD-24- 40Ton CGAF-C40 Table PD-25- 50Ton CGAF-C50Table PD-26- 60Ton CGAF-C60 Required Features Interface with Other ControlControls Systems Trane Integrated Comfort System InterfaceControls 10, 15TonField Installed Head Pressure Control Accessory 10, 15 TonTon Operation Safety Controls Monitoring and DiagnosticsControls 20-60 Ton Customized ControlStandard Control Features 20-60Ton Controls InterfaceHuman Interface HI Panel Main Menu of the Human Interface panelOptional Control Features 5 binary outputs can be assigned 4 analog outputs can be assigned toOne binary output can be assigned to Electrical 10-60Ton Data 60 HZ Load DefinitionsTable ED-1 Electrical Data Electrical 10-60Ton Data 50 HZ Table ED-2 Electrical DataDimensional 10Ton Data Figure DD-1 CGA-120B Unit DimensionsDimensional 15Ton Data Figure DD-2 CGA-180B Unit DimensionsDimensional 20Ton Data Figure DD-3 CGAF-C20 Unit DimensionsDimensional 25Ton Data Figure DD-4 CGAF-C25 Unit DimensionsDimensional 30Ton Data Figure DD-5 CGAF-C30 Unit DimensionsDimensional 40Ton Data Figure DD-6 CGAF-C40 Unit DimensionsDimensional 50Ton Data Figure DD-7 CGAF-C50 Unit DimensionsDimensional 60Ton Data Figure DD-8- CGAF-C60 Unit DimensionsWeights TableW-1 Approximate CornerWeights lbs 10-Ton UnitTableW-2 Approximate CornerWeights lbs 15-Ton Unit Table W-3 Cgaf Unit Weights lbsMechanical 10-15TonSpecifications Mechanical 20-60TonSpecifications Zone Sensor Chilled Solution Reset Ice BuildingCompressor Current Sensing CSM Unit Mounted DisconnectCG-PRC007-EN Trane

CG-PRC007-EN specifications

The Trane CG-PRC007-EN is a robust product within the Trane line of commercial rooftop units, designed to meet the heating and cooling needs of various commercial applications. This unit showcases advanced technologies and features aimed to enhance efficiency, reliability, and user comfort.

One of the standout characteristics of the CG-PRC007-EN is its commitment to energy efficiency. The unit incorporates high-efficiency compressors and a variable-speed fan motor, ensuring that the system can adjust its operation based on the demand, thus optimizing energy consumption. This is particularly advantageous in commercial settings, where climate control requirements can fluctuate throughout the day.

Additionally, the unit is engineered with a smart control system that allows for easy integration with building management systems. This feature enables real-time monitoring and adjustments, helping facility managers maintain optimal comfort levels while also minimizing operational costs. Users are able to access performance data and system diagnostics remotely, promoting proactive maintenance and reducing downtime.

Durability and longevity are critical factors for commercial HVAC systems, and the CG-PRC007-EN is designed with this in mind. The unit features a corrosion-resistant cabinet and components that withstand harsh weather conditions, ensuring reliability in outdoor installations. Its robust construction helps mitigate noise levels, resulting in a quieter operation that is ideal for noise-sensitive environments.

Another key technology within this unit is its advanced airflow management system. This system is designed to provide consistent airflow, enhancing indoor air quality and ensuring that every corner of the space benefits from appropriate heating or cooling. The CG-PRC007-EN also offers a variety of customization options for air filters, ensuring that the specific needs of each application are met.

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In summary, the Trane CG-PRC007-EN combines innovative technology, energy efficiency, and reliability, making it an ideal solution for commercial heating and cooling needs. Its advanced features, durability, and eco-friendly design position it as a leader in the commercial rooftop unit market.