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6

Note: 

If the unit must be transported in a horizontal 

position, it must be laid on its back (marked “REAR” 

on carton). 

Note:  To reassemble cabinet, follow the steps in 

reverse order.  Ensure electrical connections are 

secure and the plug clips are engaged.

4.1 

Disassemble cabinet for installation in tight areas or as needed.

Section 4. Optional Cabinet Disassembly

STEP 1

 - Remove all four front panels. See Section 

2.2. 

STEP 2

 - Remove the two screws on the seal bar and 

pull the seal bar straight out.

STEP 3

 - Disconnect all wiring connections routed to 

the blower assembly.

Blower Electrical 

Connections

Screw locations

Summary of Contents for TAM4A0A18S11ED

Page 1: ...r separate relay to enable this delay Note Condensation may occur on the surface of the air handler when installed in an unconditioned space When units are installed in unconditioned spaces verify tha...

Page 2: ...t Design 3 Section 3 Unit Preparation 5 Section 4 Optional Cabinet Disassembly 6 Section 5 Place Unit at Location 11 Section 6 Unit Location Considerations 12 Section 7 Setting the Unit Vertical Insta...

Page 3: ...Filter panel is removed using thumb screws 1 Turn thumb screws on Blower Filter panel 2 Pull top of panel out away from cabinet 3 Lift panel up out of channel 4 Set aside Screws can be drilled into bo...

Page 4: ...rn 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 refrig erant line brazing and some condensate line assembly dependin...

Page 5: ...TASB215SB Plenum Stand with Integrated Sound Baffle B B TASB235SB Plenum Stand with Integrated Sound Baffle C C MITISRKIT1620 Side Return Kit with 16 x 20 Filter A to C BAYFRKIT175 Front Return Kit fo...

Page 6: ...ns are secure and the plug clips are engaged 4 1 Disassemble cabinet for installation in tight areas or as needed Section 4 Optional Cabinet Disassembly STEP 1 Remove all four front panels See Section...

Page 7: ...er assembly out of unit using built in blower support channels and set aside Note Remove the cardboard from the bottom of the blower Cut the tie wrap and remove the foam block located at the motor Blo...

Page 8: ...ch side of the bottom half of the cabinet to loosen the locking mechanism The locks loosen by turning counter clockwise approximately 3 4 of a turn STEP 5 Disconnect wires to the EEV motor and sensors...

Page 9: ...9 STEP 8 Lift 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...

Page 10: ...paces where the cabinet needs to be rotated through a small opening remove the top panel Use a manual driver to avoid stripping screw holes STEP 10 Continue preparation by following the proper carryin...

Page 11: ...conditions should metal strap ping be attached to the unit to be used as support mechanisms for carrying or suspension purposes Approved carrying 1 Hold by the cross members within the cabinet or uni...

Page 12: ...ED TAM4A0A24S21SD 49 9 x 17 5 x 21 8 22 116 TAM4A0A30S21ED TAM4A0A30S21SD 49 9 x 17 5 x 21 8 22 117 TAM4A0A36S31ED TAM4A0A36S31SD 49 9 x 17 5 x 21 8 22 120 TAM4A0B42S31ED TAM4A0B42S31SD 55 7 x 21 3 x...

Page 13: ...ipped from the factory suitable for four way application Note Entry for low voltage connections is allowed on either side of cabinet 6 2 Four Way Conversion Upflow Condensate Drains Refrigerant Connec...

Page 14: ...Refrigerant Connections Horizontal Left Condensate Drains Low Voltage Connections inside unit Refrigerant Connections Horizontal Left Configuration Low Voltage Connections inside unit Horizontal Right...

Page 15: ...e or utility room Review local codes to determine limitations if the unit is installed without a return air duct Ducted Return Non Ducted Return Supply Duct Plenum Accessory with safety guard CAUTION...

Page 16: ...nce Installation of 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 w...

Page 17: ...g material Typical Closet Installation 7 2 Upflow Installations Typical TASB Installation A i r f l o w Airflow Airflow TASB Installation 1 Install the TASB plenum stand with integrated sound baffle u...

Page 18: ...per national state and local code requirements STEP 2 Set the unit in position Representative Illustration Typical Downflow Installation Important Ensure EEV sensor and motor wiring are taut and wire...

Page 19: ...in pan to a separate drain line and terminate according to local codes Important Due to the unique design of this unit which allows the electrical wiring to be routed within the insulation do not scre...

Page 20: ...the air handler Reference ACCA Manual D Manual S and Manual RS along with the air handler Product Data and Service Facts for additional information Note Side return is not approved without Side Return...

Page 21: ...8 3 8 Note All AHRI listed systems which are inclusive of the above fan coil units were tested with 25 feet of tubing The rated tubing diameters are listed in the above tables However if refrigeratio...

Page 22: ...tant Service access to the auxiliary heater must remain unobstructed Important Do NOT unseal coil refrigerant connec tion stubs until ready to make connections STEP 2 Remove the sealing plug from the...

Page 23: ...razing the line set to the air handler stubs 1 Pull back the insulation before brazing the suc tion line 2 Wrap the Gas Temperature Sensor GT with a wet rag 3 Braze the refrigerant line connections Im...

Page 24: ...ction 12 Step 3 before installing the Line Set panel 4 Tighten screws on the Line Set panel Important Do not open the service valves until the refrigerant lines and indoor coil leak check and evacu at...

Page 25: ...n lines downward a minimum of 1 4 per foot support per local codes A 1 5 minimum distance from the coil panel to the inside of the condensate tubing is recommended for coil panel removal Do not use re...

Page 26: ...cation needs Provide a means of drainage to prevent winter freeze up of condensate line Optional depend ing on climate and application needs STEP 6 Support the condensate piping outside the unit per l...

Page 27: ...imately 5 STEP 2 For Low voltage entry drill a 5 diameter hole size in side of blower cabinet at location shown on illustration A 3 8 bushing is supplied in the doc pack STEP 3 Route control wiring to...

Page 28: ...ectric heat jumper W1 W2 and W3 together if comfort control has only one stage of heat Red to Orange wire connection must be made as shown for cooling only non heat pump systems for proper operation Y...

Page 29: ...nsion Valve Control board EVC Factory default is R 410A Note The power must be shut off and then re applied in order for the EVC to recognize the change For multiple stages of electric heat jumper W1...

Page 30: ...IVE ELECTRICAL COMPONENTS During installation testing servicing and trouble shooting of this product it may be necessary to work with live electrical components Failure to follow all electrical safety...

Page 31: ...ng installed see the Installer s Guide shipped with the electric heater Connect L1 L2 and ground wiring to pigtail harness in Heater Compartment using wire nuts The incoming ground wiring will mate up...

Page 32: ...t 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 the air handler Failure to fol...

Page 33: ...the Blower Filter compartment For customer ease of fil ter maintenance it is recommended that a properly sized remote filter grill s be installed for units that are difficult to access Airflow should...

Page 34: ...3 4 TAM4A0A24S21 49 9 39 6 14 5 17 5 14 5 7 3 26 7 EEV 3 4 TAM4A0A30S21 49 9 39 6 14 5 17 5 14 5 7 3 26 7 EEV 3 4 TAM4A0A36S31 49 9 39 6 14 5 17 5 14 5 7 3 24 4 EEV 3 4 TAM4A0B42S31 55 7 45 5 18 4 21...

Page 35: ...ectrical power disconnect s to apply power to the indoor and outdoor units STEP 4 Set the system thermostat to ON OFF DONE CANCEL ON OFF ON DONE CANCEL STEP 1 Make sure all panels are securely in plac...

Page 36: ...e 6 Normally closed contacts on the EVC will pass 24VAC to the YO terminal providing power to the outdoor unit control circuit Cooling OD 1 R Y contacts close on the comfort control sending 24VAC to t...

Page 37: ...ilter is installed 8 Be sure that the correct airflow setting is used Indoor Blower Motor 9 Operate complete system in each mode to verify proper performance Verify operation of supplemen tary electri...

Page 38: ...ications 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 spec...

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