T-Series Climate Changer Air Handlers

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InstallationOperationMaintenanceT-Series Climate Changer Air HandlersSizes 3 to 100Part No. X39510024010AJanuary 2008CLCH-SVX06A-EN

Warnings and CautionsNOTICE:Warnings and Cautions appear at appropriate sections throughout this manual. Read these carefully. WARNING.indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION.indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.It may also be used to alert against unsafe practices.CAUTION.indicates a situation that may result in equipment or property-damage-only accidents.Protecting the EnvironmentWorld environmental scientists have concluded, based on the best currently availableevidence, that ozone in our upper atmosphere is being reduced due to the release of CFC(chlorofluorocarbon) fully halogenated compounds.Trane urges that all HVAC servicers working on Trane equipment, or any manufacturer’sproducts, make every effort to eliminate, if possible, or vigorously reduce the emissionof CFC, HCFC (halocarbon that contains fluorine, chlorine, carbon, and hydrogen), andHFC (halocarbon that contains only fluorine, carbon, and hydrogen) refrigerants to theatmosphere resulting from installation, operation, routine maintenance, or major serviceon this equipment. Always act in a responsible manner to conserve refrigerants forcontinued use even when acceptable alternatives are available.Refrigerant used in any type of air-conditioning or refrigerating equipment should berecovered for reuse, recovered and/or recycled for reuse, reprocessed (reclaimed), orproperly destroyed, whenever it is removed from equipment. Never release it to theatmosphere! 2008 Trane All rights reserved

Warnings and Cautions WARNINGEquipment Damage From Ultraviolet (UV) Lights!Trane does not recommend field-installation of ultraviolet lights in its air handlingequipment for the intended purpose of improving indoor air quality. High intensityC-band ultraviolet light is known to severely damage polymer (plastic) materials andposes a personal safety risk to anyone exposed to the light without proper personalprotective equipment (could cause damage to eyes and skin). Polymer materialscommonly found in HVAC equipment that may be susceptible include insulation onelectrical wiring, fan belts, thermal insulation, various fasteners and bushings.Degradation of these materials can result in serious damage to the equipment.Trane accepts no responsibility for the performance or operation of our air handlingequipment in which ultraviolet devices were installed outside of the Trane factory.Ultraviolet (UV) Germicidal Irradiation Lights (optional)The United States Environmental Protection Agency (EPA) believes that molds andbacteria inside buildings have the potential to cause health problems in sensitiveindividuals. If specified, Trane provides ultraviolet lights (UV-C) as a factory-engineeredand installed option in select commercial air handling products for the purpose ofreducing microbiological growth (mold and bacteria) within the equipment. Whenfactory provided, polymer materials that are susceptible to deterioration by the UV-Clight will be substituted or shielded from direct exposure to the light. In addition, UV-Cradiation can damage human tissue, namely eyes and skin. To reduce the potential forinadvertent exposure to the lights by operating and maintenance personnel, electricalinterlocks that automatically disconnect power to the lights are provided at all unit entrypoints to equipment where lights are located.CLCH-SVX06A-EN T-Series Climate Changer Air Handler3

ContentsWarnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Protecting the Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Ultraviolet (UV) Germicidal Irradiation Lights (optional) . . . . . . . . . . . . . . . . 3Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Overview of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Operating Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Unit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Factory-Mounted Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Pre-Installation Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Inspection Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Assembly Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Resolving Shipping Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Storage Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Preparing the Unit Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Unit Dimensions and Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Service Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Installation-Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Lifting and Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Assembly Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Assembling the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Fan Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Unit Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Dampers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44Duct Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46Installation - Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Coil Piping and Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Examples of Field-Installed Evaporator Piping . . . . . . . . . . . . . . . . . . . . . . . 61Installation - Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 674CLCH-SVX06A-EN

ContentsControls Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71Connecting the operator display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71Setting up the operator display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71Calibrating the operator display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72Adjusting brightness and contrast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72External communications port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72Pre-Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76Unit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76External Insulating Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85Maintenance Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87Drain Pans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89Coils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92Coil Winterization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94Ultraviolet (UV) Light Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100CLCH-SVX06A-EN5

DescriptionOverview of ManualUse this manual to install, startup, operate, and maintain the T-Series Climate Changer air handler. Carefully review the procedures discussed in this manual to minimizeinstallation and startup difficulties.NameplateEach T-Series section is provided with a nameplate/label (see Figure 1), which identifiesthe type of section, customer tagging information, the section serial number, the sectionposition, and the service model number.Note: This information is required when ordering parts or requesting service for aT-Series air handler.Figure 1.T-Series air handler section nameplateTrane ordernumberUnit levelserial numberand servicemodel numberModule typeModule locationin direction ofairflowModule serialnumberUnit taggingModule servicemodel numberControls serialnumber andservice modelnumberAgency listingand/or agencycertificationsymbolsAdditional modulespecific information:-Filter sizes-Fan motor data-Coil(s) servicemodel number6T-Series Climate Changer Air Handler IOM CLCH-SVX06A-EN

General InformationOperating EnvironmentThe T-Series Climate Changer air handler is a central station outdoor air handler. Whenconsidering the placement of the T-Series air handler, it is important to consider theoperating environment. The acceptable ambient temperature range for unit operation is-40ºF to 140ºF (-40ºC to 60ºC).For heating applications, a special motor may be required to withstand the highertemperatures. Motors with Class B insulation are acceptable for ambient temperaturesup to 104º F, while motors with Class F insulation can withstand ambient temperaturesto 140º F (60º C).Note: Units with UL approval have a maximum ambient temperature requirement of104ºF. The customer should provide adequate freeze protection for the coils. See“Coil Winterization,” on page 94 for more information.Unit DescriptionThe T-Series Climate Changer air handler is an outdoor air handler designed for a varietyof controlled-air applications. The basic unit consists of a fan, heating and/or coolingcoils, filters, and dampers.T-Series air handlers ship as complete assemblies or in sub-assemblies if shipping splitsare required. Some assembly is required when the unit ships in subassemblies.A wide variety of components is available for the T-Series air handler, includingnumerous fan, coil, and filter options, access sections, diffusers, discharge plenums,face-and-bypass sections, UL-approved electric heat sections, humidifiers, mixing boxes,moisture eliminator sections, exhaust dampers, controls, blenders and airflowmonitoring stations.For more information, refer to the following documents, available from your local Tranesales engineer: T-Series air handler catalog, CLCH-DS-9 Gas Heat for M-Series and T-Series Climate Changer Air Handlers– CLCH-SVX04C-EN Energy Wheels for T-Series Climate Changer Air Handlers– CLCH-SVX01B-EN LJ Wing Coils - installation manuals available from www.ljwing.com– IOMIFB-5– IOMVIFB-5 Humidifiers - installation manual available from www.armstrong-intl.com– Armstrong Bulletin No. 560-GCLCH-SVX06A-EN T-Series Climate Changer Air Handler7

General InformationFactory-Mounted ControlsThe T-Series air handler is available with a wide selection of factory-mounted controls,including controllers, motor starters, and variable frequency drives (VFD).Most control components are mounted inside the unit. Depending on the systemconfiguration, this may include damper actuators, dirty filter switches, averagingtemperature sensors, and low limit switches. VFDs, starters, controllers, controltransformers, static pressure transducers, DC power supplies, and customer interfacerelays will be in enclosures mounted on the inside of the unit.Small items that cannot be factory-mounted, such as space temperature sensors, outsideair temperature sensors, and humidity sensors, will ship inside the control enclosures,or packaged and shipped inside the fan or mixing box section. Larger items are shippedinside the fan section.Note: All control valves ship directly to the “ship-to address” from the vendor unlessanother address is given on the Trane sales order.All factory-mounted control systems (controls that are factory-wired to a unit controlleror termination strip) ordered without starters or variable-frequency drives (VFDs) areprovided with 120 to 24 Vac control transformers mounted and wired in the auxiliarycontrol panel. The customer must provide 120 Vac control power, 50/60 Hz, typically3 amps for unit sizes 3 to 57 and 5 amps for unit sizes 66 to 100. A dedicated 15-amp circuitis recommended.Factory-mounted control systems ordered with factory-mounted starters or VFDs aresupplied with line to 24 Vac control transformers. No additional power wiring is required.Pre-Packaged Solutions for ControlsIf the T-Series air handler has been selected using one of Trane’s pre-packaged solutionsoptions for controls, there are a number of resources available to aid in commissioningand start-up of the unit. These resources include commissioning sheets, graphics andtechnical application notes. The technical application notes include the controlsequencing, Trane Graphic Programming (TGP) and Rover set-up files for the specificunit selected. These resources are available through your local Trane sales office.For a more in-depth understanding of controls, refer to the following manuals: For factory-configured AH540/AH541 controllers– CNT-SVX05B-EN For programmable MP580 controllers For hardware installation– CNT-SVP01A-EN– CNT-SVN01A-EN For Trane TR1 Drives (from Danfoss)– TR1-SVX10A-EN8T-Series Climate Changer Air Handler CLCH-SVX06A-EN

General InformationWiring WARNINGGrounding Required!All field-installed wiring must be completed by qualified personnel. All field-installedwiring must comply with NEC and applicable local codes. Failure to follow theseinstructions could result in death or serious injuries.Entrances are provided for field-installation of high and low voltage wiring through apipe/nipple connection in the base of the unit. The low- and high-voltage connections areon opposite sides of the unit on sizes 3 - 57 and on the same side for sizes 66 - 100. Beforeinstallation, consider overall unit serviceability and accessibility before mounting,running wires (power), making penetrations, or mounting any components to thecabinet.Wiring to T-Series units must be provided by the installer and must comply with allnational and local codes. The fan motor nameplate includes a wiring diagram. If there areany questions concerning the wiring of the motor, write down the information on themotor nameplate and contact your local Trane sales office.CLCH-SVX06A-EN T-Series Climate Changer Air Handler9

Pre-Installation RequirementsThe T-Series air handler typically ships as a complete air handler, but if shipping splitsare required, it can ship in individual sections, or in section sub-assemblies. Unit sizes3 to 100 have an integral base rail.The specifications provided in Table 1 indicate the maximum values for a single-pieceshipment. If either the maximum weight or maximum length is exceeded, the T-Seriesunit will ship in multiple pieces.Note: These limits are based on a four-point lift.Table 1. Shipping length and weight limitations for single piece shipmentsUnit SizeMax Weight (lbs)Max Length 12010015,000124Inspection ChecklistUpon receipt of the air-handling unit, prior to unloading, visually check the componentsfor any damage that may have occurred during shipment. Conduct a thorough inspectionimmediately before accepting the shipment.Note: Delivery cannot be refused. Trane is not responsible for shipping damage.10 Check all access doors to confirm the latches and hinges are not damaged. Inspect the interior of each section for any internal damage. Concealed damage must be reported within 15 days of receipt. Inspect the coils for damage to the fin surface and/or coil connections. If the unit was ordered with factory-mounted controls, locate all sensors. Items that cannot be factory-mounted should ship inside the control enclosures, orshould be packaged inside the fan or mixing box section. Check all control devices attached to the unit exterior and confirm they are notdamaged. Manually rotate the fan wheel to ensure free movement of the shaft, bearings, anddrive. Inspect the fan housing for any foreign objects. If the unit shipped in sub-assemblies, locate the assembly hardware, which should bepackaged and shipped inside the fan or mixing box section.T-Series Climate Changer Air Handler CLCH-SVX06A-EN

Pre-Installation RequirementsAssembly HardwareTrane air handlers ship with all necessary assembly hardware and gasket material. Thishardware is packaged in either a clear plastic envelope or cardboard box and can befound inside the fan, mixing box, or access section. If there is not enough space insidethe section, a crate or pallet will be loaded onto the bed of the truck. Check the Parts Liston the Field Assembly drawing against the contents of the crate. Do not proceed with unitassembly until verification that all materials are present. Sometimes it is necessary to usemore than one section to ship hardware. Please check all sections thoroughly beforecontacting your local Trane sales engineer to report missing hardware.Resolving Shipping DamageTrane air handlers ship free-on-board (FOB) ship dock, meaning that the unit belongs tothe customer the moment the delivery truck leaves the factory shipping dock. If damagehas occurred to the unit during shipment, follow these instructions:Note: Trane is not responsible for shipping damage.1. Make specific notation describing the damage on the freight bill. Take photos of thedamaged material if possible.2. Report all claims of shipping damage to the delivering carrier immediately andcoordinate carrier inspection, if necessary.Note: Do not attempt to repair the unit without consulting the delivering carrier.3. Notify your Trane sales representative of the damage and arrange for repair.Note: Do not attempt to repair the unit without consulting the Trane sales representative.4. Keep the damaged material in the same location as it was received.Note: It is the receiver's responsibility to provide reasonable evidence that concealeddamage was not incurred after delivery.CLCH-SVX06A-EN T-Series Climate Changer Air Handler11

Pre-Installation RequirementsStorage RecommendationsA T-Series air handler is an outdoor unit and requires no special protection for storagebefore installation. Keep the equipment in the original shipping container for protectionand ease of handling.Note: The warranty does not cover damage to the unit or controls due to negligenceduring storage.For longer periods of storage, allow enough clearance around the unit to performperiodic inspection and maintenance of the equipment. In addition, loosen belt tensionon drive belts.General StorageThe unit controller and all other electronic components should be stored in conditionsof -20ºF to 120 F and 5 to 95 percent relative humidity, non-condensing. Electricalcomponents are not moisture-tolerant.Long-Term StorageWhile the unit is in storage: Every two weeks, rotate the fan and motor shaft 30 revolutions by hand. Check for freerotation. Every six months, check fan shaft bearings and grease lines. Add grease using amanual grease gun following the lubrications recommendations in “Fan BearingLubrication” section on page 90.Check the motor lubrication; remove and clean grease plugs and check for the presenceof moisture in the grease. If moisture is present, remove the motor and send it to anauthorized repair shop for bearing inspection/replacement. If no moisture if present,refer to the motor manufacturer’s lubrication recommendation for proper lubrication.12T-Series Climate Changer Air Handler CLCH-SVX06A-EN

Pre-Installation RequirementsPreparing the Unit Site Ensure the installation site can support the total weight of the unit (see “UnitDimensions and Weights” section on page 15 for approximate section weights; referto the unit submittals for actual weights). Allow sufficient space for adequate free air and necessary service access (see“Service Clearances” on page 15). Refer to submittals for specific minimums. Allow room for supply and return piping, ductwork, electrical connections, and coilremoval. Ensure there is adequate height for condensate drain requirements. See “Drain PanTrapping” on page 50.Note: If unit is installed in a mechanical room on a pad, inadequate height maynecessitate core-drilling the floor to attain proper trap height. Insufficient heightcould inhibit condensate drainage and result in flooding the unit and/or equipmentroom.CAUTIONMicrobial Growth!The roof curb or foundation must be level and the condensate drain at the properheight for proper coil drainage and condensate flow. Standing water and wet surfacesinside the equipment can become an amplification site for microbial growth (mold),which may cause odors and damage to the equipment and building materials. Confirm the roof curb or foundation of the mounting platform is level and largeenough to accommodate the unit. Refer to the unit submittals for specific dimensions. Provide adequate lighting for maintenance personnel to perform maintenanceduties. Provide permanent power outlets in close proximity to the unit for installation andmaintenance. Depending upon job requirements, the customer may need to provide 120 Vac powerto the unit controller. Refer to submittals for more information. A dedicated 15-ampcircuit is recommended. Wiring for T-Series units must be provided by the installer and must comply with allnational and local electrical codes. Rooftop curb mounted units must be sealed tightly to the curb. Use proper sealantsand roof to curb sealing techniques to prevent water and air leakage. Refer to T-Seriesroof curb installation manual CLCH-IN-18.Note: Preparation of the roof curb or pier mount and roof openings should be completedprior to lifting the unit to the roof.CLCH-SVX06A-EN T-Series Climate Changer Air Handler13

Pre-Installation RequirementsRoof Curb Installation ChecklistSee T-Series air handler Roof Curb installation manual CLCH-IN-18 for information oninstalling roof curbs.It is recommended that the curb be installed directly on the support members andfastened to the supports using tack welds or other equivalent methods. Properlysupported decking should be installed inside the air handler section of the curb when thismethod is used. See Figure 2.Figure 2.Cross section of typical curb installation on new construction1. Verify that the roof structure can adequately support the combined weight of the unitand curb assembly.2. Ensure that the selected installation location provides sufficient service andoperational clearances.3. Remove any twist within the curb due to roof supports and square the curb.4. Level the curb.5. Secure the curb to the roof support members.6. Install 2-inch thick boards or rigid insulation around the curb.7.Install cant strips around the curb.8. Bring field supplied roofing felt up to the top of the curb nailing strips. Nail felt intoplace.9. Install field supplied flashing under the lip of the curb flanges and over the felt.10. Apply sealant to the four corners. Caulk all joints between the curb and the roof.Attach the gasket material to the curb’s top flanges (entire perimeter) and to thesupply and return air duct opening panel flanges.14T-Series Climate Changer Air Handler CLCH-SVX06A-EN

Unit Dimensions and WeightsService ClearancesFigure 3.Service clearanceFilterCoilFanDriveABCDTable 2. Service Clearances (inches)Clearance Items36810121417212530354050576680100A (filter)4848484848484848484848484848525658B (coil)486064757983899193106110123134134150150165C (fan)48484851545861606666657077779391101D (starter or VFD)6060606060606060606060606060606060Note:NOTE: At a minimum, the above clearance dimensions are recommended on one side of the unit for regular service and maintenance.Refer to as-built submittal for locations of items such as filter access doors, coil, piping connections, motor locations, etc. Sufficientclearance must be provided on all sides of unit for removal of panels or section-to-section attachment brackets. Clearance for starters,VFDs, or other high-voltage devices must be provided per NEC requirements.CLCH-SVX06A-EN T-Series Climate Changer Air Handler IOM15

Unit Dimensions and WeightsNote: For specific dimensional and weight information, refer to the unit submittals. Thedimensions and weights in this manual are approximate. Trane has a policy ofcontinuous product and product data improvement and reserves the right tochange design and specifications without notice.Table 3. Section dimensions (inches) and weights (pounds)-unit sizes 3-25Nominal rflow at 625 01214172125Height dth 320223531333235538339948860.5Unit sizeMixing box with filter4Traq mixing box withback Traq damperEconomizerExhaust damperBlenderFilter, Filter, short bag 18 211225260278306321Filter, long bag 30 in.3641443438404448.554.75Filter, short 19399111118123131141148Blank/access,extended 434343440135170201255270283301325403Filter, long cartridgeFilter, flatFilter, flat combinationFilter, HEPABlank/inspection,smallBlank/access, mediumBlank/access, large16T-Series Climate Changer Air Handler IOM CLCH-SVX06A-EN

Unit Dimensions and WeightsTable 3. Section dimensions (inches) and weights (pounds)-unit sizes 3-25Nominal rflow at 625 01214172125Height dth (inches)375054667074808284Coil, smallwith 2-row t sizeCoil, mediumwith 8-row UWCoil, extended-mediumwith 8-row UWCoil, medium-largewith 10-row WCoil, largewith 10-row WCoil, electric heat5Coil, integral face-andbypass7Face-and-bypass,internalFace 6239262286Fan, 54.75722919983110412231271153618261683Fan, bottom Moisture eliminatorDiffuserDischarge 24092338Side inlet hood(add to 282935414957707996Back inlet hood(add to 399104138141172Exhaust hood (add towidth or 352385Gas heat9Unit end panels(add to length)Note:(1) Nominal airflow is based on 500 fpm through a nominal coil (i.e. 500 x unit size 8 4000 cfm). (2) Airflow @ 625 fpm through the flat filter(maximu

The T-Series Climate Changer air handler is an outdoor air handler designed for a variety of controlled-air applications. The basic unit consists of a fan, heating and/or cooling coils, filters, and dampers. T-Series air handlers ship as complete assemb l

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