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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.

February 2022

1

18

8--G

GJ

J8

82

2D

D1

1--1

1F

F--E

EN

N

Variable Speed Air Handlers
Convertible 2 — 5 Ton

TAM9A0A24V21DB
TAM9A0B30V31DB
TAM9A0C36V31DB
TAM9A0C42V41DB
TAM9A0C48V41DB
TAM9A0C60V51DB

N

No

otte

e:: “Graphics in this document are for representation

only. Actual model may differ in appearance.”

N

No

otte

e:: For use with BAYEA series heaters ONLY

Installer’s Guide

Summary of Contents for TAM9A0A24V21DB

Page 1: ...d 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 February 2022 1 18 8...

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: ...ation 19 Setting the Unit Horizontal Installations 21 Connecting the Duct work 22 Refrigerant Line 23 Refrigerant System Layout 23 Refrigerant Line Brazing 24 Condensate Drain Piping 27 Electrical Low...

Page 4: ...g t th he e D Di is sp pl la ay y A Ai ir r F Fl lo ow w T Ta ab bl le es s a an nd d T Tr 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 v...

Page 5: ...d other penetrations 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 both...

Page 6: ...move Heater Panel 1 Turn 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 l...

Page 7: ...ted in a horizontal position it must be 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 pressur...

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: ...l bar and pull the seal bar straight out 3 Disconnect all wiring connections routed to the blower assembly 4 Slide Blower assembly out of unit using built in blower support channels and set aside Note...

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 TAM9A0A24V21DB 49 9 x 17 5 x 21 8 28 1 116 TAM9A0B30V31DB 55 7 x 21 3 x 21 8 33 9 138 TAM9A0C36V31DB 56 9 x 23 5 x 21 8 35 1 146 TAM9A0C42V41DB 56 9 x 23 5 x...

Page 15: ...ccordingly Note 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...

Page 16: ...Connections Inside Unit Control Pocket Inside Unit Horizontal Left Configuration 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: ...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 recommen...

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: ...e required 2 All AHRI listed 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 excee...

Page 24: ...ction line between the Sensor and the braze joint to protect it from failure due to overheating 2 Remove the sealing plug from the indoor coil suction line 3 Remove the sealing plug from the indoor co...

Page 25: ...as Temperature Sensor GT with a wet rag c Braze the refrigerant line connections Important Care must be taken during brazing to avoid damage to unit components and wiring Note The suction line must be...

Page 26: ...et Note Charge system using Outdoor unit s Installer Guide or Service Facts Note Use soapy water to wipe any refrigerant oil off the panels 1 MIN 10 Replace the Line Set panel a Allow time for tubing...

Page 27: ...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 28: ...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 29: ...mbined Control Wire 24 Volt WIRE SIZE MAX WIRE LENGTH 18 AWG 100 FT Combined Table 15 Low Voltage Hook up Instructions Note Strain relief must be provided on the inside of the air handler cabinet for...

Page 30: ...orizontal Right Installations Only 5 Remove the control board completely from the control pocket Rotate the control board 180 degrees Place the control board 2 3 inches back into the control pocket 6...

Page 31: ...1 Y2 G BK W1 W2 W3 O R B Y1 YO W3 Y2 G BK W1 W2 R B Y1 Y2 COMFORT CONTROL 1 OR 2 STAGE COOLING WITH TAM9 TAMG VARIABLE SPEED AIR HANDLER INDOOR UNIT OUTDOOR UNIT NOTES 1 Cut the BK jumper on the AFC w...

Page 32: ...BK jumper on the AFC when using the BK fuctionality from the thermostat 2 Y1 and YO connections must be made as shown for freeze protection and internally mounted condensate overflow circuits to func...

Page 33: ...Board J7 Motor J8 24 VAC Input J9 Display Assembly J5 External Switch J12 Humidifier Low Voltage thermostat harness STATUS LED FAULT LED UNIT LED 8 Set Jumper and Dip Switches Set the system refriger...

Page 34: ...r or an external switch to the air handler locate the harness es in the doc pack The plug on the harness will plug into the AFC control board Humidifier Harness External Switch Harness AFC J5 External...

Page 35: ...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 36: ...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 37: ...trical heater size needs to be set in the Configuration Menu Connect L1 L2 and ground wiring to pigtail harness in Heater Compartment using wire nuts The incoming ground wiring will mate up with the g...

Page 38: ...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 39: ...AS LINE BRAZE LIQ LINE BRAZE TAM9A0A24V21DB 49 9 39 6 14 5 17 5 14 5 7 3 24 4 EEV 3 4 3 8 TAM9A0B30V31DB 55 7 45 5 18 4 21 3 18 4 9 2 24 8 EEV 3 4 3 8 TAM9A0C36V31DB 56 9 46 7 20 5 23 5 20 5 10 3 24 2...

Page 40: ...Up Down menu keys simultaneously for 10 seconds To Exit the technician menu section press the Up Down menu keys simultaneously for 10 seconds To move to the top of any menu tree press the Left Right...

Page 41: ...ote 1 System Status will rotate automatically with active alerts Only alerts with a notification level of aUser or Critical re shown same as the thermostat up to four 4 alerts will be shown most recen...

Page 42: ...Monitor menu allows the technician to monitor the different aspects of the system while the air handler is running No changes can be made in the Monitor Menu Superheat is only shown in cooling and de...

Page 43: ...ations for the components are o AF Air Flow control o EV Expansion Valve control o DA Display Assembly The second line of text contains any action that may take place because of the fault and the orde...

Page 44: ...ter size availability is based on unit size for this menu The OD unit type must be configured for 24 volt systems only o 1 1 is a single stage single compressor OD unit o 2 1 is a two stage single com...

Page 45: ...te control o First value is current selection Second value is actual airflow o Use left or right menu keys to decrease or increase airflow in 100 CFM increments o Press ENTER to initiate new CFM deman...

Page 46: ...Single Compressor 2 Stage HP TAM9A0B30V31DB 4A6H6024E G 4TWX6024E G 4A6H7024 4TWX8024 9 TAM9A0C36V31DB 4A6H6036E G 4TWX6036E G 4A6H7036 4TWX8036 10 TAM9A0C48V41DB 4A6H6048E G 4TWX6048E G 4A6H7048 4TWX...

Page 47: ...els are securely in place and that all wiring has been properly dressed and secured 2 Set the system thermostat to OFF OFF 3 Turn on electrical power disconnect s to apply power to the indoor and outd...

Page 48: ...EVC will now control superheat for 2nd stage 5 When a request for cooling is removed the AFC will turn off the blower motor after any user selected fan off delays have expired N No ot te e Delay prof...

Page 49: ...no ot t e en ne er rg gi iz ze ed d d du ur ri in ng g t th he e U Un ni it t T Te es st t M Mo od de e 1 EVC drives the EEV motor to the 1st stage position for 5 seconds 2 EVC drives the EEV motor t...

Page 50: ...ults can also be accessed through the Alert Menu in the Display Assembly Clearing Fault History Option 1 1 Scroll to the Alert Menu in the Display Assembly 2 Scroll to the Alert History section 3 Scro...

Page 51: ...bing 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 drain pa...

Page 52: ...lications 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 spe...

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