Trane TAMXA0A24V21DA, Installer'S Manual

Page 1: ...the literature and on the tags stickers and labels that are attached to the equipment September 2021 1 18 8 G GJ J8 89 9D D1 1 1 1D D E EN N Link Communicating Variable Speed Outdoor Compatible Conve...

Page 2: ...he en n e ex xp po os se ed d t to o l li iv ve e e el le ec ct tr ri ic ca al l c co om mp po on ne en nt ts s I It t m ma ay y b be e n ne ec ce es ss sa ar ry y t to o w wo or rk k w wi it th h l l...

Page 3: ...al Unit Preparation Considerations 18 Setting the Unit Vertical Installation 19 Setting the Unit Horizontal Installations 21 Connecting the Duct work 22 Refrigerant Line 23 Refrigerant System Layout 2...

Page 4: ...r ro ou ub bl le es sh ho oo ot ti in ng g f fl lo ow wc ch ha ar rt ts s I Im mp po or rt ta an nt t The low voltage wire harness is shipped in the supplied document pack N No ot te e The manufacture...

Page 5: ...d other penetra tions are allowed in the blower section for installation of Side Return Kit Typical both sides Screws are allowed up to 3 3 4 from the top of the cabinet heater compartment Typical bot...

Page 6: ...screws on Heater panel 2 Pull panel straight out away from cabinet 3 Set aside Removal of the Line Set panel is required for all refrigerant line brazing and some condensate line assembly depending o...

Page 7: ...laid on its back marked REAR on carton Note After unit is removed from the carton verify coil is pressurized Carefully remove the liquid line plug If no pressure is released check for leaks Note Remo...

Page 8: ...Kit with 16 x 20 Filter A to C BAYFRKIT175 Front Return Kit for 17 5 Cabinet A BAYFRKIT210 Front Return Kit for 21 0 Cabinet B BAYFRKIT235 Front Return Kit for 23 5 Cabinet C TAYBASETAMA Downflow Sub...

Page 9: ...nnect all wiring connections routed to the blower assembly a Disconnect the air pressure hose Note Remove the cardboard from the bottom of the blower Cut the tie wrap and remove the foam block located...

Page 10: ...oil Support Channel 7 Use a 5 16 Allen wrench on the locking mechanism on each side of the bottom half of the cabinet to loosen the locking mechanism The locks loosen by turning counter clockwise appr...

Page 11: ...the Coil section up and away from the Blower section Set aside Note When separating the two cabinet pieces make sure the gasket remains intact O Op pt ti io on na al l C Ca ab bi in ne et t D Di is s...

Page 12: ...ough a small opening remove the top panel and all cross members Use a manual driver to avoid stripping screw holes 10 Continue preparation by following the proper carrying procedures shown in the next...

Page 13: ...f cut wire ties that held the sensor wiring must be replaced Important Under no conditions should metal strapping be attached to the unit to be used as support mechanisms for carrying or suspension pu...

Page 14: ...Height inches Unit Net Weight pounds D H W TAMXA0A24V21DA 49 9 x 17 5 x 21 8 28 1 120 TAMXA0B30V31DA 55 7 x 21 3 x 21 8 33 9 133 TAMXA0C36V31DA 56 9 x 23 5 x 21 8 35 1 143 TAMXA0C42V41DA 56 9 x 23 5 x...

Page 15: ...The air handlers are shipped from the factory suitable for four way application Note Entry for low voltage connections is allowed on either side of cabinet Airflow Upflow Configuration Refrigerant Co...

Page 16: ...Connections Inside Unit Refrigerant Connections Horizontal Left Condensate Drains Horizontal Right Configuration Airflow Control Pocket Inside Unit Low Voltage Connections Inside Unit Refrigerant Conn...

Page 17: ...ve e o or r u ut ti il li it ty y r ro oo om m a as s a a f fo os ss si il l f fu ue el l d de ev vi ic ce e Non Ducted Return Installations Installation in a closet an alcove or a utility room withou...

Page 18: ...the air handler must be made prior to or at the same time as the installation of the outdoor unit in order to allow access for refrigerant lines Consider the overall space needed when external access...

Page 19: ...ionable sound BAYINSKT175A for use with 17 5 cabinets BAYINSKT215A for use with 21 5 cabinets BAYINSKT235A for use with 23 5 cabinets Typical Closet Installation Table 7 Upflow Installation TASB Insta...

Page 20: ...shorter Airflow Typical Plenum Installation Table 9 Downflow Installation Downflow installation must comply with national state and local codes 3 Prepare the location site as appropriate for your app...

Page 21: ...ed bottom support methods are rail u channels Unistrut or other load bearing materials b The unit must be isolated carefully to prevent sound transmission Field supplied vibration isolators are recomm...

Page 22: ...Kits are available to connect the supply plenum or for mounting on the discharge opening to provide a flush fit for 1 1 2 duct board applications If front or rear return is required the air handler m...

Page 23: ...isted systems are tested with 25 feet of refrigeration tubing the rated tubing diameters are located in the electronic performance data system 3 If the refrigeration lines exceed 60 feet in linear len...

Page 24: ...tant Heat Sensitive Sensors The Gas Temperature Sensor must be removed or a wet rag must be wrapped around the suction line between the Sensor and the braze joint to protect it from failure due to ove...

Page 25: ...ound the suction line between the Sensor and the braze joint to protect the Sensor from failure due to overheating 5 Braze refrigerant line connections a Pull back the insulation before brazing the su...

Page 26: ...e reads no higher than 350 microns then close off the valve to the vacuum pump 0350 Microns ON OFF 9 Observe the micron gauge Evacuation is complete if the micron gauge does not rise above 500 microns...

Page 27: ...d in the installation of the grommets Remove any excess from the tubing and grommet after the grommet is installed c Slide the bottom of the Line Set panel down over the refrigerant lines and grommets...

Page 28: ...the cover from the needed condensate drain connections and connect condensate piping d If the secondary condensate opening is not used plug the condensate opening with the fitting supplied in the docu...

Page 29: ...sweating where dew point temperatures may be met Optional depending on climate and application needs Provide a means of drainage to prevent winter freeze up of condensate line Optional depending on cl...

Page 30: ...thermostat wired may be wire tied as a bundle to the existing strain relieved low voltage pigtail leads in the air handler unit 1 Route control wiring to unit Remove the external sheathing of the wir...

Page 31: ...ll plug into the other header on the AHC For Horizontal Right Installations Only 5 Remove the control board completely from the control pocket Rotate the control board 180 degrees Place the control bo...

Page 32: ...sor The Supply Air Temperature SAT Sensor must be mounted a minimum of 8 above the edge of the supply duct additional distance is preferred when possible Locate the SAT Sensor in an area of the discha...

Page 33: ...1 Strip the Red White Green and Blue thermostat wires back 1 4 2 Insert the wires into the connector in the correctly colored locations 3 When you feel it release allow each wire to slide in further 4...

Page 34: ...ed device or when using a 24 VAC charging solenoid during automatic weigh in charging B connection to the outdoor unit is optional for 2 wire outdoor applications but is recommended in other applicati...

Page 35: ...e harness will plug into the AHC control board The external switches and accessories can be configured through the Smart Thermostat or the Diagnostics Mobile App Note Accessories can be configured in...

Page 36: ...pp Accessory Harness 24 Volt Low Voltage Harness future use Black Wires Ext Switch 1 External condensate Smoke Detector White Wires Ext Switch 2 External condensate Smoke Detector Blue Wires Accessory...

Page 37: ...assembly into the control pocket until fully seated The control plate should be flush with the outer edge of the unit 2 Replace coil panel making sure that the wires are located within the wire pass...

Page 38: ...e e n ne ec ce es ss sa ar ry y t to o w wo or rk k w wi it th h l li iv ve e e el le ec ct tr ri ic ca al l c co om mp po on ne en nt ts s d du ur ri in ng g i in ns st ta al ll la at ti io on n t te...

Page 39: ...sistor in the Electric heat harness located in the electric heat compartment and will be included with the BAYEA heater Connect L1 L2 and ground wiring to pigtail harness in Heater Compartment using w...

Page 40: ...8 Place the coil panel bracket into position and use screw to secure the coil panel bracket and seal plate to the support bar Important The Coil Seal Plate and screw secure the coil in the center of...

Page 41: ...LINE BRAZE LIQ LINE BRAZE TAMXA0A24H21DA 49 9 39 6 14 5 17 5 14 5 7 3 24 4 EEV 3 4 3 8 TAMXA0B30H31DA 55 7 45 5 18 4 21 3 18 4 9 2 24 8 EEV 3 4 3 8 TAMXA0C36H31DA 56 9 46 7 20 5 23 5 20 5 10 3 24 2 E...

Page 42: ...ease of filter maintenance it is recommended that a properly sized remote filter grill s be installed for units that are difficult to access Airflow should not exceed the maximum rated velocity of the...

Page 43: ...1 Make sure all panels are securely in place and that all wiring has been properly dressed and secured 2 Turn on electrical power disconnect s to apply power to the indoor and outdoor units ON OFF 3...

Page 44: ...s received the AHC sends a command to the serial communicating blower motor to run at 100 cooling airflow 4 The AHC will now control superheat for 2nd stage 5 When a request for cooling is removed the...

Page 45: ...e when the indoor coil is beginning to ice If this event should occur the AHC will send a message to de energize the OD unit 2 The indoor blower motor will continue running to aid in defrosting the co...

Page 46: ...st tubing if necessary so tubes do not rub against each other or any component when unit runs Ductwork is sealed and insulated All drain lines are clear with joints properly sealed Pour water into dra...

Page 47: ...18 GJ89D1 1D EN 47 N No ot te es s...

Page 48: ...plications For more information please visit www trane com or www americanstandardair com The manufacturer has a policy of continuous data improvement and it reserves the right to change design and sp...