Trane Performance Climate Changer TCFS Installation, Operation And Maintenance Manual

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Installation, Operation, and Maintenance

Performance Climate Changer™

Air Handler

Model TCFS and TCPA

Custom Air Handlers for Any Application

Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment

can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or

serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment.

July 2025

SAFETY WARNING

CLCH-SVX022A-EN

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Summary of Contents for Trane Performance Climate Changer TCFS

Page 1 Installation, Operation, and Maintenance Performance Climate Changer™ Air Handler Model TCFS and TCPA Custom Air Handlers for Any Application SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
Page 2 (HCFCs). Not all refrigerants containing these compounds bump cap, fall protection, electrical PPE and arc have the same potential impact to the environment. Trane flash clothing). ALWAYS refer to appropriate advocates the responsible handling of all refrigerants.
Page 3 Copyright WARNING This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in Cancer and Reproductive Harm! part without written permission. Trane reserves the right to This product can expose you to chemicals including...
Page 4 Table of Contents General Information ......7 Installation Clearances (Electric Heat) ..19 Nameplate.
Page 5 Table of Contents Duct Connections......43 Determine Fan Speed ....66 Bottom Opening Duct Installation.
Page 6 Table of Contents Motor Bearing Lubrication ....87 Cartridge or Bag Side-Load Fan Motor Inspection ....87 Filters .
Page 7 HVAC system. If the air handler has been selected using one of Trane’s Though not limited to pre-tested Trane components, pre-packaged solutions options for controls, there are a...
Page 8 Schematics are provided for each air handler and are co- located with the Installation, Operation, and Maintenance (IOM). If there are any questions concerning the wiring of the unit, write down the information on the unit nameplate and contact your local Trane sales office. CLCH-SVX022A-EN...
Page 9 “Receiving Checklist,” p. 9 for detailed instructions. ☐ Notify your Trane sales representative of the damage and arrange for repair. Do not attempt to repair the unit without consulting the Note: Delivery cannot be refused. All units are shipped F.O.
Page 10 Pre-Installation • Do not pile other material on the unit. • Provide adequate lighting for maintenance personnel to perform maintenance duties. Long-Term Storage • Provide permanent power outlets in close proximity to the unit for installation and maintenance. For longer periods of storage, allow proper clearance around the unit to perform periodic inspections and •...
Page 11 Pre-Installation 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.
Page 12 Installation, repair, removal, or disposal should be performed by trained service personnel. A2L Work Procedures At all times, Trane’s maintenance and service guidelines shall be followed. If in doubt, contact Trane technical WARNING support for assistance. Risk of Fire — Flammable Refrigerant!
Page 13 (Detection equipment shall be calibrated in a accelerate defrosting of components. Use only defrost and refrigerant-free area.) Verify the detector is not a potential cleaning procedures recommended by Trane. Do not source of ignition and is suitable for the refrigerant used. pierce or burn.
Page 14 A2L Information and Installation Requirements Decommissioning In addition, a set of calibrated weighing scales shall be available and in good working order. Before carrying out the decommissioning procedure, it is The refrigerant shall be recovered into the correct recovery essential that the trained service personnel is completely cylinders if venting is not allowed by local and national familiar with the equipment and all its details.
Page 15 A2L Information and Installation Requirements Ignition Sources in Unit refrigerants. This standard limits the refrigerant concentration in a space in the event of a refrigerant leak. This unit does not contain any ignition sources. All potential To meet the requirements, the UL standard defines ignition sources, (including factory or field installed minimum room area, refrigerant charge limit, minimum accessory electric heaters, gas heaters, relays, and...
Page 16 A2L Information and Installation Requirements Figure 2. Charge vs min room area (IP) Charge vs Min Room Area (IP) 3000 2800 Release Height-0.6m 2600 Release Height-1.0m 2400 Release Height-1.4m 2200 Release Height-1.8m 2000 Release Height-2.2m 1800 1600 1400 1200 1000 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 34.0 36.0 38.0 40.0 42.0 44.0 46.0 48.0 50.0 Charge (lbs) Figure 3.
Page 17 A2L Information and Installation Requirements Release height is the vertical distance from the floor to the = Nameplate A x Altitude Adj x Height Adj x F min.adj lowest point in a space refrigerant would leak from first. The minimum value is 0.6 m from the floor. This point is Multiply the altitude adjustment factor in the table below by typically the bottom of free return openings or supply listed on the unit nameplate or in the Installation,...
Page 18 A2L Information and Installation Requirements • Provide an output signal that can be used to fully open zone dampers and/or VAV boxes and disable electric heat in VAV boxes. • Provide an output signal that can be used to energize additional mechanical ventilation (if needed).
Page 19 Dimensions and Weights Installation Clearances (Electric Heat) Table 2. Electric heat requirements Minimum Clearance to Combustible Maximum Output Air Temperature Maximum External Static Pressure Electric Heat Materials (inch) (°F) (WC) Model Draw-thru — Blow-thru — Service Clearance Recommendations Note: For service clearance and weights, see the unit submittal documentation and/or layout.
Page 20 Dimensions and Weights CLCH-SVX022A-EN...
Page 21 Installation - Mechanical Lifting and Rigging WARNING Heavy Objects! General Lifting Considerations Failure to follow instructions below or properly lift WARNING unit could result in unit dropping and possibly crushing operator/technician which could result in Risk of Unit Dropping! death or serious injury, and equipment or property- Failure to follow instructions below could result in only damage.
Page 22 If there are any discrepancies, • Remove all wooden blocks before installing the unit to contact your local Trane sales representative before the roof curb. proceeding. • All shipping supports and crating on the face of the...
Page 23 Installation - Mechanical installation and minimum permissible distance to adjacent When mounting the unit on a pier mount, locate one pier at structures. each corner as a minimum, directly underneath any shipping split (ensure full support under each side) and For units with supplemental heaters, see the heater then every four feet at equally spaced intervals around the manufacturer minimum clearance from unit to combustible...
Page 24 Installation - Mechanical Ceiling Suspension WARNING Toxic Fumes! WARNING Failure to follow instructions below could produce Risk of Unit Dropping! toxic gas which could result in death or serious injury. Failure to follow instructions below could result in Keep open flame away from unit exterior or interior. death or serious injury, and equipment damage.
Page 25 Installation - Mechanical Figure 12. Standard roof curb Figure 13. Structural roof curb Air handler Air handler basic structure base structure Structural Roof curb Insulation steel curb For large units shipped in sections, see additional Figure 14. I-beam dunnage mount requirements in “Roof Curb for Large Unit with Shipping Splits,”...
Page 26 Installation - Mechanical All section perimeters must be continuously supported. Figure 16. Field-supplied outriggers Failure to may result in door misalignment, leakage, and incorrect or non-functioning drain pan operation. Flat Concrete Pad The base for concrete is designed to sit flat on the concrete with full perimeter contact.
Page 27 Installation - Mechanical sections should be within 12 inches to reduce the gun to tighten bolts in a sequential manner will allow amount of dragging required. the additional section to be pulled into the final position. 8. Remove lifting lugs on mating section as required. The 11.
Page 28 Installation - Mechanical Figure 18. Base assembly with flat floor #14 SMS screw Joining strip 3-in. x 1/8-in. gasket 4-in. x 1/4-in. gasket Joining trim Top floor Add caulking before installing J strip Trim gasket after strips are installed Add caulking after trimming gasket Base with Turned-Up Floor Figure 19.
Page 29 Installation - Mechanical Figure 20. Press U-channel in place 2. Apply a bead of caulk to full height of wall joint. 3. Apply 3-inch x 1/8-inch adhesive-backed foam gasket to inner joining strip. 4. Install inner joining strip using #14 x 1.5-inch gasketed ®...
Page 30 Installation - Mechanical Outdoor Roof - Single Span Figure 22. Section split - indoor 1. Ensure shipping split sections are aligned and pulled together properly. Edge view 2. Add a bead of caulk along the length of the roof seams. Hubcap Install the pre-cut J-cap over the seam and secure with Roof...
Page 31 Installation - Mechanical Figure 24. Outdoor roof assembly - single span Joining cap #10 x 1-in. self-tapping screw Add caulking before installing J cap 4-in. x 1/4-in. gasket Roof split outdoor unit Roof panel 3-in. x 1/8-in. neoprene gasket is section split applied to metal joining strip.
Page 32 Installation - Mechanical Figure 25. Outdoor roof assembly - multiple span #10 sheet metal screw 6-inch trim cap Caulk Cap and gasket #14 sheet metal screw Standing seam on 10-inch centers 10 ga. galv 18 ga. galv Zip screws Indoor Roof 5.
Page 33 Installation - Mechanical Figure 26. Indoor wall and roof assembly - trim cap 18 ga. strip Interior of unit Gasket 18 ga. trim cap #10 SMS “Zip” screw 18 ga. strip 18 ga. trim cap 18 ga. strip No greater than 6 inch spacing on all fasteners Roof wall trim 18 ga.
Page 34 Installation - Mechanical Figure 27. Indoor roof assembly - multiple span #10 sheet metal screw 6-inch trim cap Caulk Center roof cap Cap and gasket Standing seam 10 ga. galv #14 sheet metal screw on 10-inch centers Zip screws 18 ga. galv Base-to-Interior Wall 2.
Page 35 Installation - Mechanical Figure 28. Base-to-interior wall sections 4-in. x 1/4-in. gasket Interior In lieu of joining strip, secure wall 2-in. x 2-in. angle to wall with #14 SM screws at 12-in. centers Caulk Split Split Interior wall Caulk Caulk Split Split Base-to-Wall Assembly Complete...
Page 36 Installation - Mechanical Figure 29. Stacked unit trim assembly Roof-to-wall trim cover 18 ga. steel .050 if aluminum Upper unit 10 1/2 12-in. clip every 8 ft. 7 1/2 and at all corners use grade 5 self-tapping 4 1/2 screws 4-in. ctc 10 ga.
Page 37 Installation - Mechanical Pipe Cabinet Figure 30. Pipe cabinet installation Butyl tape Pipe cabinet Unit base rail Roof curb Butyl Hood tape 1. After air handler is completely installed and checked for Figure 31. Anchor pipe cabinet to base accuracy of level and square, pipe cabinet install can begin.
Page 38 Installation - Mechanical 11. Install 3/16-inch x 1. 25-inch grey ribbed butyl tape to 12. Lift pipe cabinet roof into place and attach to unit wall unit wall where pipe cabinet roof connects. with screws. Figure 32. Pipe cabinet detail TOP VIEW Roof and base parts removed for clarity...
Page 39 For variable frequency drives or other energy storing components provided by Note: Remove the tie-downs only if the factory-provided Trane or others, refer to the appropriate isolation is to be used. manufacturer’s literature for allowable waiting periods for discharge of capacitors. Verify with a CAT III or IV...
Page 40 Seismic Requirements • 1-in. long 3/16-in. welds at 24-in. o.c. Air handling equipment manufactured by Trane is capable 4. Stacked double-wide 164 in. - 328 in. – grade to roof of structurally and operationally withstanding the seismic mounted (0<=Sds<=1.85) non-isolated:...
Page 41 For variable frequency drives Figure 36. C-70 fastener holds bag filter or other energy storing components provided by Trane or others, refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of capacitors. Verify with a CAT III or IV voltmeter rated per NFPA 70E that all capacitors have discharged.
Page 42 Component Installation Requirements Bag or Cartridge Side-Load Filters Figure 37. C-80 spring fastener secures cartridge filter 1. Disconnect power to the unit. 2. Keeping the bag filters folded, slide each filter into the filter rack, pushing them tightly against the unit. Pleats should be in the vertical position.
Page 43 Proper duct work installation by such organizations as SMACNA (Sheet Metal and Air Figure 40. Field-supplied duct connection to air handler bottom supply/return air opening Bottom supply/ return airflow Typical Trane air handler base Field-supplied Typical Trane rigid duct...
Page 44 Component Installation Requirements Note: Bottom of unit base elevation is 1/2–inch lower extremely turbulent and requires some length of duct to than edge of duct opening in bottom of unit. stabilize. Abrupt changes in ductwork directly off the fan During unit installation on roof curb, either raise discharge may adversely affect fan performance and field-provided duct or add additional gasket acoustics.
Page 45 Component Installation Requirements Figure 45. Typical section with duct flat/flange Figure 46. Securing round duct to casing over bell connection - internally insulated mouth 1 inch Bell mouth outlet - Airflow nominal diameter 1 inch Round duct Discharge Plenum Connections Angle ring Discharge plenum sections are available with or without openings.
Page 46 Component Installation Requirements Traq Damper Connections For a mitered corner, provide one hydraulic duct diameter between the entering face of the Traq dampers and the Size the duct connections to attach to the specified portion duct turn. For a radius elbow, or sweep, place the elbow on the face of the mixing box that the duct connection directly against the face of the Traq dampers (see Figure...
Page 47 Pitch the connection lines thermal expansion and contraction strains. horizontal or downward toward an open drain. Trane • If the coil was ordered with factory-mounted controls, recommends installing a plug to facilitate cleaning of the install the control valves.
Page 48 Piping and Connections Figure 49. Drain pan trapping for negative and positive pressure applications Section under negative pressure Section under positive pressure L = H + J + pipe diameter where: L = H + J + pipe diameter where: H = 1 inch for each inch of negative H = 1/2 inch (minimum) pressure plus 1 inch with loaded filters...
Page 49 Use bucket traps only when the supply steam is not modulated and is 25 psig or higher. Breaker Cracking Pressure! Note: Trane steam coils require a minimum of 2 psi Failure to follow instructions below could result in of pressure to assure even heat distribution.
Page 50 Piping and Connections Refrigerant Coil Piping Figure 51. Typical piping for one-row water coil Note: Refer to for information on handling refrigerants. Water supply main Figure 53, p. 50 illustrates an example of a split-system Water component arrangement. Use it to determine the proper, return main relative sequence of the components in the refrigerant lines that connect the condensing unit to an evaporator coil.
Page 51 Piping and Connections Liquid Lines Note: Trane condensing units with MCHE no longer employ pump-down, but isolation solenoids are Line Sizing required. The suggested solenoid uses a 120- volt service and requires code-compliant wiring Properly sizing the liquid line is critical to a successful split- to the condensing unit.
Page 52 Trane now has many years of experience in the successful Components use of equipment without hot gas bypass in commercial comfort-cooling applications. To prevent evaporator freeze- Installing the suction line requires field installation of these up, Trane equipment typically includes Frostat™...
Page 53 For specific handling concerns with R-410A, please contact your local Compressor Damage! Trane representative. POE oil is hygroscopic – it absorbs water directly from the air. This water is nearly impossible to remove Every part of an existing split system needs to be analyzed...
Page 54 Piping and Connections Field-Installed Evaporator Piping Examples Figure 55. Single-circuit condensing unit: evaporator coil with one distributor Evaporator Coil with Standard Circuiting Suction line Liquid line Sight glass Thermal Solenoid Filter drier expansion valve valve (TXV) Distributor 1. Pitch the liquid line slightly — 1-inch/10 feet — so that 4.
Page 55 Piping and Connections Figure 56. Single-circuit condensing unit: evaporator 3. Slightly pitch the outlet line from the suction header coil with two distributors toward the suction riser — 1-inch/10 feet in the direction of flow. Use the tube diameter that matches Evaporator Coil with Horizontal-Split (Standard) Circuiting Suction line...
Page 56 Piping and Connections Figure 57. Single-circuit condensing unit: evaporator 2. Provide one expansion valve per distributor. coil with four distributors 3. Slightly pitch the outlet line from the suction header Evaporator Coil with Horizontal-Split toward the suction riser — 1-inch/10 feet in the (Standard) Circuiting direction of flow.
Page 57 Piping and Connections Figure 58. Dual-circuit condensing unit: evaporator 2. Provide one expansion valve per distributor. coil with two distributors 3. Slightly pitch the outlet line from the suction header Evaporator Coil toward the suction riser — 1-inch/10 feet in the Suction line with Horizontal-Split (Standard) Circuiting direction of flow.
Page 58 Piping and Connections Figure 59. Dual-circuit condensing unit: evaporator 2. Provide one expansion valve per distributor. coil with four distributors 3. Slightly pitch the outlet line from the suction header Evaporator Coil toward the suction riser — 1-inch/10 feet in the with Horizontal-Split (Standard) Circuiting direction of flow.
Page 59 Use the double-elbow Report any shortages immediately. If accessories have configuration to isolate the TXV bulb from other suction been damaged in transit, notify Trane and file claim with the headers. transportation company. If your order covers more than one 5.
Page 60 Piping and Connections Condensate discharged from the humidifier separator/ • Ahead of valves or regulators header is essentially atmospheric pressure. Thus Install drip legs and drain traps even where there are no condensate must be discharges to a drain or pumped. On natural drainage points.
Page 61 For variable frequency drives NOTICE or other energy storing components provided by Trane or others, refer to the appropriate Leakage! manufacturer’s literature for allowable waiting periods Failure to follow instructions below could result in for discharge of capacitors.
Page 62 Check fan shaft bearings, fan wheel, and drive sheave or other energy storing components provided by set screws for proper torque settings (see Table 5, p. Trane or others, refer to the appropriate manufacturer’s literature for allowable waiting periods – Fan sheaves should be tight and aligned.
Page 63 In the example, 2.2 percent imbalance is not acceptable the fan housing. and the power company should be notified to correct it. Note: For motor warranty needs, contact your local Trane sales office. Tension the Fan Belt NOTICE Unit Operation...
Page 64 Start-Up Figure 63. Tension drive belt label Determine actual deflection by depressing one belt with the belt tensiometer and measuring the deflection relative to V-BELT DRIVE KIT 1627373 the other belts or to belt line (see Figure 65, p. 64). Adjust MODULE 0400 the belt tension to the correct pounds force and tighten all bolts to the proper torque.
Page 65 Start-Up Table 4. Typical sheave diameter and deflection force Belt Deflection Force (lbs) Smallest sheave Speed (rpm) Cross Super gripbelts and diameter range Gripnotch belts and notched gripbands range section unnotched gripbands (in.) Used belt New belt Used belt New belt 1,000–2,500 3.70 5.50...
Page 66 Start-Up Table 4. Typical sheave diameter and deflection force (continued) Belt Deflection Force (lbs) Smallest sheave Speed (rpm) Cross Super gripbelts and diameter range Gripnotch belts and notched gripbands range section unnotched gripbands (in.) Used belt New belt Used belt New belt 200–850 33.00...
Page 67 Start-Up Table 5. Set screw torque settings (inches) Hex Key Square Head Torque (in.-lb.) Torque (ft.-lb.) Screw Size Hex Head 7/16 66-90 5.5-7.5 5/16 5/32 126-164 10.5-13.7 3/16 9/16 9/16 228-300 19.0-25.0 7/15 7/32 348-450 29.0-37.5 504-650 42.0-54.2 5/16 15/16 15/16 1290-1390 107.0-116.0...
Page 68 Figure 69. Fan inlet airflow measuring system System A fan inlet airflow measuring system is available on many centrifugal and plenum fans. Trane’s system determines airflow using a static pressure differential. Note: This type of system is different than a total pressure or thermal dispersion system.
Page 69 Typical transmitter ranges include 0-1-inch to 0-40- Note: Alternative units, including SI, can be used in place inch w.c. Trane transmitters are sized at a 10 percent of the IP units above although the K-factor must be safety factor.
Page 70 90,279.75 — — — — — 110,113.94 — Table 9. Constant K-Factors for Trane DDP™ fans Fan Size (inches)/Type K Factor Fan Name K-Factor 10.50 AF direct-drive plenum 10 TF, 10 TR, 10 UF, 10 UR 1045.00 12 AF direct-drive plenum 12 TF, 12 TR, 12 UF, 12 UR 1238.30...
Page 71 K-factor. Exceeding the recommended airflow can result in Field-obtained factors can provide maximum accuracy. To equipment damage. Trane is not responsible for obtain the factor in the field, measure the differential equipment damage resulting from exceeding pressure output from the transmitter while measuring the recommendations.
Page 72 Start-Up Figure 71. Confirm proper belt tracking on the wheel 6. If the wheel has difficulty starting, turn off the power and inspect for excessive interference between the wheel surface and the four diameter seals. To correct, loosen the diameter seal adjusting screws and back the diameter seals away from the surface of the wheel.
Page 73 Routine Maintenance WARNING WARNING Hazardous Service Procedures! Rotating Components! Failure to follow all precautions in this manual and on Failure to disconnect power before servicing could the tags, stickers, and labels could result in death or result in rotating components cutting and slashing serious injury.
Page 74 Routine Maintenance Air-to-Air Plate Heat Exchangers 8. Repeat Step 6 Step 7 as necessary. 9. Straighten any plate fins that may have been damaged WARNING during the cleaning process. Hazardous Voltage! 10. Confirm the drain line is open following the cleaning Failure to disconnect power before servicing could process.
Page 75 Routine Maintenance Note: If the detergent is strongly alkaline after mixing WARNING (PH 8.5 or higher), it must contain an inhibitor. Hazardous Chemicals! Follow the cleaning solution manufacturer’s Failure to follow this safety precaution could result in instructions regarding the use of the product. death or serious injury.
Page 76 Providing a moisture purge cycle 15 to 30 minutes after Trane recommends flushing the coil with glycol if coils will shutdown disperses the cold, humid air inside the air- be exposed to temperatures below 35 degrees.
Page 77 Routine Maintenance 10. Be careful any contaminated material does not contact WARNING other areas of the unit or building. Properly dispose of No Step Surface! all contaminated materials and cleaning solution. Failure to follow instruction below could result in Cleaning Porous Surfaces death or serious injury.
Page 78 Routine Maintenance on the opposite side of the wheel, gently apply a shop recommended. Examine the motor monthly for debris vacuum to receive any remaining debris exiting the accumulation. wheel. Cleaning the Module In most instances this should adequately clean the wheel. 1.
Page 79 Routine Maintenance Figure 72. Wooden blocks support wheel Figure 75. Remove post mounting screws 6. Remove the shaft bolt. 3. Make sure the wheel is secure. The short posts are Figure 76. Remove shaft bolt removed first. Figure 73. Remove short posts first 4.
Page 80 Routine Maintenance Once one bearing is out, go to the other side and Figure 79. Exploded view of internal bearing and shaft assembly (no hub shown) repeat procedure to remove the other bearing. 11. Clean the hub and new bearing races before installing. 12.
Page 81 Routine Maintenance Figure 81. Remove cover plate Figure 83. Loosen set screws 4. Remove the bolt and washer from the end of the shaft. 6. Remove the bolts securing the bearing to the cassette. Figure 82. Remove bolt and washer from shaft. Figure 84.
Page 82 Routine Maintenance Figure 85. Install bearing mounting bolts Figure 87. Typical pillow block bearing, shaft and hub assembly CDQ Drive Belt Adjustment/Replacement The CDQ wheel uses a link belt that has no tension devices that need adjustment. Tension the belt by adjusting the number to links in the belt.
Page 83 Routine Maintenance Figure 88. Hold belt with tabs facing outward Figure 90. Reconnect the belt CDQ Seal Adjustment Neoprene brush seals are located on both sides of the cassette around the wheel perimeter and the center diameter posts. The seals are designed to come in contact with the wheel and require no maintenance other than adjustment.
Page 84 Increased pressure CDQ Drive Motor and Pulley Replacement drop can result in permanent damage to the energy wheel. Trane is not responsible for equipment-only 1. Disconnect all electrical power. damage caused by debris. 2. Remove the belt from the pulley and temporarily position it around the wheel rim.
Page 85 Routine Maintenance Energy Wheel Drive Motor and Pulley CAUTION Replacement Sharp Edges! Failure to follow instructions below could result in WARNING minor to moderate injury. Hazardous Voltage! The service procedure described in this document Failure to disconnect power before servicing could involves working around sharp edges.
Page 86 Routine Maintenance 2. Wearing the appropriate personal protective Table 10. Minimum hex head bolt torque in lb.-ft. (Grade 5 bolts) (continued) equipment, remove any contamination. 3. Vacuum the section with a vacuum device that uses Thread Size (inches) Minimum Torque high-efficiency particulate arrestance (HEPA) filters Designation with a minimum efficiency of 99.97 percent at...
Page 87 1/2 - 3/4 Bag and cartridge filters must have an airtight seal to 7/8 - 1 3/16 prevent air bypass. If using other than Trane-supplied filters, apply foam gasketing to the vertical edges of the 1 1/4 - 1 1/2 filter.
Page 88 5. If fixed and adjustable block-offs are provided with the our equipment in which ultraviolet devices were unit, slide the fixed block-offs into the filter track before installed outside of the Trane factory or its approved the adjustable block-off. suppliers.
Page 89 Routine Maintenance 2. Wearing soft cloth gloves and safety glasses, use two 3. Wearing soft cloth gloves and safety glasses, install hands and firmly grasp the bulb at each end. lamp by grasping each non-glass end with the thumb and index fingers. Carefully push lamp ends into 3.
Page 90 Troubleshooting This section is intended to be used as a diagnostic aid only. WARNING For detailed repair procedures, contact your local Trane Hazardous Service Procedures! service representative. Failure to follow all precautions in this manual and on the tags, stickers, and labels could result in death or serious injury.
Page 91 Troubleshooting Table 13. Air handler troubleshooting recommendations (continued) Symptom Probable Cause Recommended Action Partial loss of line voltage Check for loose connections. Determine adequacy of main power supply. Motor runs and then dies down Starter shorts when motor warms up Replace starter.
Page 92 Troubleshooting Table 13. Air handler troubleshooting recommendations (continued) Symptom Probable Cause Recommended Action Incorrect airflow Check fan operating condition. Expansion valve is not operating properly or is Check sensing bulb temperature. sized incorrectly Verify valve operation. Verify proper valve size. Incorrect refrigerant charge Verify refrigerant charge and adjust if necessary.
Page 93 Troubleshooting Table 13. Air handler troubleshooting recommendations (continued) Symptom Probable Cause Recommended Action Motor is not running The fuse or circuit breaker may be blown or open. Check the breaker/fuse box and replace. There may be a loss of incoming power. Attempt to trace the power loss back to its source and correct.
Page 94 Notes CLCH-SVX022A-EN...
Page 95 Notes CLCH-SVX022A-EN...
Page 96 For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

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