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ACDS-PRC003E-EN (04/2016): Product Catalog, Split System ...

April 2016 ACDS-PRC003E-ENSplit SystemAir- cooled Condensers 20 to 120 TonsProduct Catalog 2016 trane All rights reservedACDS-PRC003E-ENIntroductionTTrra annee hhaass tthhee rriigghhtt you are designing a new System or replacing an existing air- cooled condenser, trane can satisfy virtually any application need. Whether coupled with anindustrial compressor, a single zone commercial self-contained unit, compressor chiller or a ColdGenerator chiller, trane has the right air- cooled condenser for the job.

4 ACDS-PRC003E-EN FeaturesandBenefits 20to120TonUnits Trane® 20 to 120 ton model CAUJ air-cooled condensers have an operating range of 40°F to 115° F, with a low ambient option down to 0°F.

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Transcription of ACDS-PRC003E-EN (04/2016): Product Catalog, Split System ...

1 April 2016 ACDS-PRC003E-ENSplit SystemAir- cooled Condensers 20 to 120 TonsProduct Catalog 2016 trane All rights reservedACDS-PRC003E-ENIntroductionTTrra annee hhaass tthhee rriigghhtt you are designing a new System or replacing an existing air- cooled condenser, trane can satisfy virtually any application need. Whether coupled with anindustrial compressor, a single zone commercial self-contained unit, compressor chiller or a ColdGenerator chiller, trane has the right air- cooled condenser for the job.

2 When teamed with anyone of a wide range of compressor-evaporator combinations, trane air- cooled condensers,available in 20 to 120 tons, are ideal for multistory office buildings, hotels, schools, municipal andindustrial document and the information in it are the property of trane , and may not be used orreproduced in whole or in part without written permission. trane reserves the right to revise thispublication at any time, and to make changes to its content without obligation to notify anyperson of such revision or trademarks referenced in this document are the trademarks of their respective History Added Corrosive Atmosphere information to Application Considerations section.

3 Reformatted general, electrical and weight tables. Updated unit model numbers to show all option selections. Updated Mechanical Specifications to add missing information and review existing wordingfor content. Content organization reviewed and updated to meet current and 420 to 120 Ton Units.. 4 Durable Construction .. 4 Microchannel Condenser Coil.. 4 Application Considerations .. 6 Unit Location .. 6 Voltage .. 7 Effect of Altitude on Capacity .. 7 Ambient Considerations.. 7 Corrosive Atmospheres.

4 7 Selection Procedures .. 9 Model Number Description .. 12 General 13 Performance Data .. 14 Performance Adjustment Factors.. 14 Performance Data.. 16 Unit 17 Unit 31 Mechanical Specifications .. 32 Air- cooled Condenser Model CAUJ .. 32 Options .. 32 Table of Contents4 ACDS-PRC003E-ENFeatures and Benefits20 to 120 Ton UnitsTrane 20 to 120 ton model CAUJ air- cooled condensers have an operating range of 40 F to 115 F, with a low ambient option down to 0 control panel is factory-installed and wired to prevent potential damage and to provideweathertight control panel contains.

5 Fan motor contactors fan cycling controls terminal point connection for compressor interlock 115-volt control power transformerThese standard features reduce installation costs and provide easy interface with control trane air- cooled condenser coils are an all aluminum microchannel design. The 20 to 30 toncondensers are single circuit; 40 to 120 ton units are dual circuited; all feature can have optional corrosion protected condenser ConstructionTrane 20 to 120 ton condensers are built for long life.

6 The unit frame is constructed of 14 gaugegalvanized steel. Louvered panels provide excellent coil protection while enhancing unitappearance and strength. The unit surface is phosphatized and finished with trane slate grey air-dry paint. This air dry-paint finish exceeds 672 consecutive hour salt spray resistance inaccordance with ASTM Condenser CoilMicrochannel condensing coils are all-aluminum coils with fully-brazed construction. This designreduces risk of leaks and provides increased coil rigidity making them more rugged on thejobsite.

7 Their flat streamlined tubes with small ports and metallurgical tube-to-fin bond allow forexceptional heat transfer. Microchannel all-aluminum construction provides several additionalbenefits: Light weight (simplifies coil handling) Easy to recycle Minimize galvanic corrosionACDS-PRC003E-EN5 Slit Fins and Braze Contactfor Improved Heat Transfer and StrengthAir Condenser InletAir Condenser OutletMicrochannelsfor RefrigerantFFeeaattuurreess aanndd BBeenneeffiittss6 ACDS-PRC003E-ENApplication ConsiderationsCertain application constraints should be considered when sizing, selecting and installing trane air- cooled condensers.

8 Unit reliability is dependent upon these considerations. Where yourapplication varies from the guidelines presented, it should be reviewed with the local trane LocationFoundationA base or foundation is not required if the selected unit location is level and strong enough tosupport the unit s operating and Sound EmissionSince the environment in which a sound source is located affects sound pressure, unit placementmust be carefully evaluated. The most effective form of noise isolation is proper unit should be placed away from noise sensitive transmitted sound can be reduced by using isolators, which are recommended forsound sensitive installations.

9 For maximum isolation effect, the refrigeration lines and electricalconduit should also be isolated and flexible electrical conduit acoustical engineer should always be consulted on critical and local codes on sound emissions should always be Flow ConsiderationsUnobstructed flow of condenser air is essential for maintaining capacity and operating determining unit placement, careful consideration must be given to assure proper air flowacross the condenser heat transfer surface. Inadequate air flow will result in warm airrecirculation and coil air flow starvation.

10 Warm air recirculation occurs when discharge air from the condenser fans is recycled back atthe condenser coil inlet. Coil starvation occurs when free air flow to the condenser is warm air recirculation and coil starvation cause reductions in unit efficiency and capacity. Inmore severe cases, nuisance unit shutdowns will result from excessive head pressures. Accurateestimates of the degree of efficiency and capacity reduction are not possible due to theunpredictable effect of varying hot gas bypass is used, reduced head pressure increases the minimum ambient conditionfor proper operation.


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