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Packaged Gas/Electric Rooftop Units - Trane

Packaged Gas/ElectricRooftop UnitsVoya ge r 12 25 Tons 60 HzRT-PRC001-ENOctober 2004 2004 American Standard Inc. All rights reservedRT-PRC001-ENIntroductionPackaged RooftopAir ConditionersThrough the years, Trane has designedand developed the most complete line ofPackaged Rooftop products available inthe market today. Trane was the first tointroduce the Micro microelectronic unitcontrols and has continued to improveand revolutionalize this design ReliaTel control platform offers thesame great features and functionality asthe original Micro, with additional benefitsfor greater application continues to provide the higheststandards in quality and reliability,comfort, ease of service, and theperformance of Trane light customers demand products thatprovide exceptional reliability, meetstringent performance requirements, andare competitively priced. Trane deliverswith features cutting edgetechnologies: reliable compressors, Traneengineered ReliaTel controls, computer-aided run testing, and IntegratedComfort Systems.

Packaged Gas/Electric Rooftop Units Voyager™ 12½ – 25 Tons — 60 Hz October 2004 RT-PRC001-EN

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Transcription of Packaged Gas/Electric Rooftop Units - Trane

1 Packaged Gas/ElectricRooftop UnitsVoya ge r 12 25 Tons 60 HzRT-PRC001-ENOctober 2004 2004 American Standard Inc. All rights reservedRT-PRC001-ENIntroductionPackaged RooftopAir ConditionersThrough the years, Trane has designedand developed the most complete line ofPackaged Rooftop products available inthe market today. Trane was the first tointroduce the Micro microelectronic unitcontrols and has continued to improveand revolutionalize this design ReliaTel control platform offers thesame great features and functionality asthe original Micro, with additional benefitsfor greater application continues to provide the higheststandards in quality and reliability,comfort, ease of service, and theperformance of Trane light customers demand products thatprovide exceptional reliability, meetstringent performance requirements, andare competitively priced. Trane deliverswith features cutting edgetechnologies: reliable compressors, Traneengineered ReliaTel controls, computer-aided run testing, and IntegratedComfort Systems.

2 So, whether you rethe contractor, the engineer, or the owneryou can be certain Voyager Products arebuilt to meet your s Hard To Stop A Trane . 3 ContentsRT-PRC001-ENIntroductionFeatures and BenefitsApplication ConsiderationsSelection ProcedureModel Number DescriptionGeneral DataPerformance DataCooling PerformanceFan PerformanceHeat PerformanceControlsElectric PowerDimension and WeightsMechanical Specifications24101113142121314346475868 RT-PRC001-EN4 Features andBenefitsFactory Installed Options Black Epoxy Coated Condenser Coil Dehumidification Option High Efficiency Motors High Pressure Cutout Hinged Access Doors Novar unit Controls Novar Return Air Sensor Powered or Unpowered ConvenienceOutlet Supply and/or Return Air SmokeDetector Thermal Expansion Valve/Face-SplitEvaporator Coil Option Through the Base Electrical with CircuitBreaker Through the Base Electrical WithDisconnect Switch Through the Base Utilities Access Two-Inch Pleated FiltersFactory or Field Installed Options Clogged

3 Filter/Fan Failure Switch Differential Pressure Switches Discharge Air Sensing Kit Downflow Economizer Frostat LonTalk Communications Interface Oversized Motors Reference or Comparative Enthalpy Tool-less Hail Guards Trane Communications Interface (TCI)Field Installed Options CO2 Sensing Digital Display Zone Sensor Dual Thermistor Remote Zone Sensor Low Static Drive High Static Drive Manual Outside Air Damper Motorized Outside Air Dampers Powered Exhaust Downflow Roof Curb Horizontal Economizer Remote Potentiometer Ventilation Override Accessory Zone Sensors5RT-PRC001-ENFeatures andBenefitsEasy to Install, Service andMaintainBecause today s owners are very cost-conscious when it comes to service andmaintenance, the Trane Voyager wasdesigned with direct input from servicecontractors. This valuable informationhelped to design a product that would getthe serviceman off the job quicker andsave the owner money.

4 Voyager doesthis by offering:Quality and ReliabilityReliaTel Controls (LCI-R)ReliaTel controls provide unit control forheating, cooling and ventilating utilizinginput from sensors that measure outdoorand indoor and Reliability are enhancedthrough ReliaTel control and logic: prevents the unit from short cycling,considerably improvingcompressor life. ensures that the compressor will runfor a specific amount of time whichallows oil to return for betterlubrication, enhancing the reliability ofthe with ReliaTel reduces thenumber of components required tooperate the unit , thereby reducingpossibilities for component Makes Installing andServicing EasyReliaTel eliminates the need for fieldinstalled anti-shortcycle timer and timedelay relays. ReliaTel controls providethese functions as an integral part of theunit. The contractor no longer has topurchase these controls as options andpay to install wiring of the low voltage connectionsto the unit and the zone sensors is aseasy as 1-1, 2-2, and 3-3.

5 This simplifiedsystem makes wiring easier for Makes Testing EasyReliaTel requires no special tools to runthe Voyager unit through its place a jumper between Test 1and Test 2 terminals on the Low VoltageTerminal Board and the unit will walkthrough its operational stepsautomatically. The unit automatically returns control to the zone sensor after stepping through the test mode a single time, even if the jumper is left on the long as the unit has power and the system on LED is lit, ReliaTel isoperational. The light indicates that thecontrols are functioning features expanded diagnosticcapabilities when utilized with TraneIntegrated Comfort zone sensor options have centralcontrol panel lights which indicate themode the unit is in and possiblediagnostic information (dirty filters forexample).Other ReliaTel BenefitsThe ReliaTel built-in anti-shortcycle timer,time delay relay and minimum on timecontrol functions are factory tested toassure proper softens electrical spikes bystaging on fans, compressors Fallback is a benefit to thebuilding occupant.

6 If a component goesastray, the unit will continue to operate atpredetermined temperature Anticipation is a standardReliaTel feature. It functions continuouslyas ReliaTel and zone sensor(s) worktogether in harmony to provide muchtighter comfort control than conventionalelectro-mechanical same ReliaTel Board fits all VoyagerPackaged Gas/Electrics, Cooling withElectric Heat, and Heat Pump provides standardization of parts forcontractors. Less money is tied up ininventory with RT-PRC001-EN6 Features andBenefitsDrum and Tube Heat Exchanger The heat exchanger is manufacturedusing aluminized steel with stainlesssteel components for maximumdurability. The requirement for cycletesting of heat exchangers is 10,000cycles by ANSI This is thestandard required by both UL and AGAfor cycle test requirements. AmericanStandard requires the design to betested to 2 times this currentstandard. The drum and tube design hasbeen tested and passed over 150,000cycles, which is over 15 times thecurrent ANSI cycling requirements.

7 The negative pressure gas valve willnot allow gas flow unless thecombustion blower is operating. This isone of our unique safety features. The forced combustion blower suppliespre-mixed fuel through a singlestainless steel burner screen into asealed drum where ignition takes is more reliable to operate andmaintain than a multiple burner system. The hot surface ignitor is a gas ignitiondevice which doubles as a safety deviceutilizing a continuous test to prove theflame. The design is cycle tested at thefactory for quality and reliability. Our Gas/Electric rooftops exceed allCalifornia seasonal efficiencyrequirements and perform even betterthan the California NOx and Tube Heat ExchangerHot Surface IgnitorNegative Pressure Gas ValveForced Combustion Blower7RT-PRC001-ENBlack Epoxy Coated Condenser CoilThe coil provides corrosion protection tocondenser coils for seacoast IntegrityFor added water integrity, Voyager has araised 11/8" lip around the supply andreturn of the downflow Units to preventwater from blowing into the Filter/Fan Failure SwitchA dedicated differential pressure switch isavailable to achieve active fan failureindication and/or clogged filter SensingThe CO2 sensor has the ability to monitorspace occupancy levels within thebuilding by measuring the parts permillion of CO2 (Carbon Dioxide)

8 In the the CO2 levels increase, the outside airdamper modulates to meet the CO2space ventilation requirements. The CO2sensor kit is available as a field And Numbered WiringSave time and money tracing wires anddiagnosing the contains the best compressortechnology available to achieve thehighest possible performance. Dualcompressors are outstanding forhumidity control, light load coolingconditions and system back-upapplications. Dual compressors areavailable on all CircuitsAll Voyager 12 -25 ton Units shall havecrankcase heaters, low and high pressurecontrols as CoilVoyager boasts apatent-pending1+1+1 condensercoil, permanentlygapped for Standard andOptional ComponentsDehumidification (Hot Gas Reheat)OptionThis option allows for increased outdoorair ventilation. Itreduces humiditylevels whileincreasingcomfort level inthe air canoperate without ademand hot gas reheatcoil is designed todeliver Display Zone SensorThe Digital LCD (Liquid Crystal Display)zone sensor has the look and functionalityof standard zone sensors.

9 This sensorshould be utilized with ReliaTel Air Sensing KitProvides true discharge air sensing inheating models. The kit is functional onlywith the ReliaTel Options And Horizontal EconomizersThe economizers come with three controloptions dry bulb is standard, enthalpyand differential enthalpy are Thermistor Remote Zone SensorThis sensor will reduce the total numberof remote sensors to obtain spacetemperature averaging. This sensorshould be utilized with ReliaTel Built Roof CurbsAvailable for downflow Units . Only tworoof curbs for the entire Voyager linesimplifies curb Air0 - 25% manual or 0 -50% motorized outsideair hoods are Static DriveAccessoryThis option shall allowthe standard motor tooperate at lower staticperformance. (See FanPerformance tables).High Static Drive AccessoryAvailable on many models, this highstatic drive accessory extends thecapability of the standard motor.

10 Avoidexpensive motors and operating costs byinstalling this optimized Access DoorsThese doors permit easy access to thefilter, fan/heat, and compressor/controlsections. They reduce the potential roofdamage from screws or sharp accessdoor Communications InterfaceThe LonTalk communications interfaceallows the unit to communicate as aTracer LCI-V device or directly withgeneric LonTalk Network BuildingAutomation System Exhaust OptionThis option is available on downflow unitsand provides exhaust of the return air,when using a downflow economizer, tomaintain proper building for relieving most buildingoverpressurization PanelsRemove three or fewer screws foraccess to the standardized internalcomponents and Idler ArmWith the Quick-Adjust Idler Arm, the beltand sheaves can be quickly adjustedwithout moving the mounted fan result is a major savings in time andBenefitsRT-PRC001-EN8 Reference or Comparative EnthalpyMeasures and communicates humiditywhile maximizing comfort Drain PansStandard on every ComponentsComponents are placed in the samelocation on all Voyager Units .


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