Page 2 - Introduction; Precedent
© 2004 American Standard Inc. All rights reserved RT-PRC017-EN Introduction Precedent ™ . . . The same Trane quality... with added flexibility. Precedent is a flexible line of packagedunits that covers a wide variety ofapplications. Reliatel ™ microprocessor controls provide superior flexibility for...
Page 3 - Contents
Introduction Features and Benefits Application Considerations Selection Procedure Model Number Description General Data Performance Data Zone Controls Electrical Data Jobsite Connection Dimensional Data Weights Mechanical Specifications 3 Contents RT-PRC017-EN 2 4 9 10 12 13 14 42 43 44 45 53 54
Page 6 - Micro Controls
RT-PRC017-EN 6 Features andBenefits Micro Controls Several years ago, Trane was the first tointroduce microprocessor controls intothe Light Commercial Market. Thatdesign, along with immeasurableexperience, has provided the technologyfor Trane’s second-generation ReliaTel ™ microprocessor controls. R...
Page 7 - Factory-installed Options
7 RT-PRC017-EN Features andBenefits Factory-installed Options Hinged Access Doors These doors permit easy access to thefilter, fan/heat, and compressor/controlsections. They reduce the potential roofdamage from screws or sharp accessdoor corners. Economizer Equipped with either dry bulb, referenceor...
Page 8 - VariTrac
RT-PRC017-EN 8 Features andBenefits VariTrac When Trane’s changeover VAV Systemfor light commercial applications iscoupled with Precedent, it provides thelatest in technological advances forcomfort management systems and canallow thermostat control in every zoneserved by VariTrac. • We perform a 100...
Page 11 - Cooling Capacity; Heating Capacity; Air Delivery Selection
11 RT-PRC017-EN SelectionProcedures - IP Units Cooling Capacity Step 1 — Calculate the building’s total and sensible cooling loads at designconditions. Use the Trane calculationform or any other standard acceptedmethod. Example: The following are the buildingcooling requirements:a. Electrical Charac...
Page 13 - General Data
13 RT-PRC017-EN General Data Table GD-1 — General Data Convertible Units Convertible Units Convertible Units Convertible Units Convertible Units YSC060AD YSC072AD YSC090AD YSC102AD YSC120AD Cooling Performance 1 Gross Capacity - kW (MBh) 18.2 (62.0) 23.2 (79.0) 26.7 (91.0) 31.1 (106.0) 34.9 (119.0) ...
Page 42 - Conventional Thermostats; Zone Controls
RT-PRC017-EN 42 Conventional Thermostats are the building occupant’s comfort controldevices when a generic thermostat isdesired. Manual Changeover — One Heat, One Cool Thermostat. Heat, Cool or OffSystem Switch.Fan Auto or OnSwitch. Set PointDial. AdjustableHeat Anticipator. Automatic Changeover — O...
Page 44 - Typical Number Of Wires
RT-PRC017-EN 44 JobsiteConnections For specific wiring information, see the installation instructions.All wiring except power wires is low voltage.All customer supplied wiring to be copper and must conform to NEC or CEC and local electrical codes. Wiring shown dotted is to be furnished and installed...
Page 53 - Weights
53 RT-PRC017-EN Weights Table W-1 - Maximum Unit and Corner Weights and Center of Gravity Dimensions (SI) Maximum Weights (2) (kg) Corner Weights (1) (kg) Center of Gravity (mm) Unit Model No. Shipping (2) Net (2) A B C D Length Width YSC060AD 295 260 81 64 54 62 810 510 YSC072AD 398 350 113 90 64 8...
Page 56 - Control Options; Zone Sensor
RT-PRC017-EN 56 Control Options Comm-3/4 Trane CommunicationInterface This factory or field-installed option shallbe provided to interface microprocessorcontrolled units with the Trane IntegratedComfort ™ systems. Comm-5 LonTalk CommunicationInterface This factory or field-installed option shallbe p...