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Section 2. Unit Design

2.1 Cabinet Penetration

Important: 

Due to the unique design of this unit, 

which allows the electrical wiring to be routed within 

the insulation, do not screw, cut, or otherwise punc-

ture the unit cabinet in any location other than the 

ones illustrated.

Important: 

Under no conditions should metal strap-

ping be attached to the unit to be used as support 

mechanisms for carrying or suspension purposes.

2.2 Panel Removal

The unit contains four (4) access panels: Blower/Fil-
ter, Coil, Line Set, and Heater.

The Blower/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 bottom of unit. 

(1/2” max. screw 

length)

(Typical all sides)

Screws, saw cuts, and other 

penetrations are allowed in 

the blower section for low 

voltage wiring or 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 sides)

Screws for flange kit

attachment are allowed

along the interior of 

the cabinet (see arrows)

(Typical all sides)

No penetrations 

allowed.

(Typical all sides)

Screws allowed only 

in the first 3/4” of front 

bottom of unit (in 

cross member)

Содержание TAM4A0A18S11ED

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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