Trane TWA0724-A Series Installation, Operation And Maintenance Manual Download Page 34

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SSP-SVX001D-EN

Charging Data and Pressure Curves

Table 9. TWA Charging data and pressure curves

Condenser

Air Handler

Refrigerant Charging Curve

Superheat and Charge Table

Pressure Curves

TWA0604DA

TWE0764DA

436766000001

436766320001

TWA0724*A

TWE0904*A

436766010001

436766260001

TWA0604DD

TWE0724DB

436759300001

436759630001

TWA0724*D

TWE0724*B

436759310001

436759640001

TWA0764DA

TWE0764DA

436766040001

436766330001

TWA0904*A

TWE0904*A

436766050001

436766270001

TWA0764DD

TWE0764DB

436759340001

436759670001

TWA0904*D

TWE0904*B

436759350001

436759680001

TWA1014DA

TWE1014DA

436766080001

436766340001

TWA1204*A

TWE1204*A

436766090001

436766280001

TWA1014DD

TWE1014DB

436766100001

436766350001

TWA1204*D

TWE1204*B

436766110001

436766290001

TWA1564DD

TWE1564DB

436766120001

TWA1804*D

TWE1804*B

436766130001

TWA2014DD

TWE2014DB

436766140001

TWA2404*D

TWE2404*B

436766150001

TWA0902*A

TWE0902*A

436759480001

N/A

TWA1202*A

TWE1202*A

436759490001

N/A

TWA1802*D

TWE180B*

436759500001

N/A

TWA2402*D

TWE240B*

436759510001

N/A

Summary of Contents for TWA0724-A Series

Page 1: ...ing on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment March 2022 S SS SP P S SV VX X0 00 01 1D D E EN N Installation Ope...

Page 2: ...r r p pr ro op pe er r P PP PE E f fo or r t th he e j jo ob b b be ei in ng g u un nd de er rt ta ak ke en n c co ou ul ld d r re es su ul lt t i in n d de ea at th h o or r s se er ri io ou us s i i...

Page 3: ...u uc ct ti io on ns s b be el lo ow w c co ou ul ld d r re es su ul lt t i in n a an n e ex xp pl lo os si io on n w wh hi ic ch h c co ou ul ld d r re es su ul lt t i in n d de ea at th h o or r s se...

Page 4: ...ng and Isolating Refrigerant Lines 21 Refrigerant Charging Procedure 22 Charging Levels 23 Liquid Charging 24 Electrical Wiring 24 Unit Power Supply 25 Low Voltage Wiring 25 Symbio Controls 25 Field W...

Page 5: ...0Hz Digit 9 Refrigeration Circuit Stage A 1 Compressor 1 Line 1 Stage Single D 2 Compressors 2 Line 2 Stage Dual Digit 10 Major Design Sequence A Rev A B Rev B Digit 11 Minor Design Sequence A Rev A D...

Page 6: ...s step will void the unit s warranties Installation procedures should be performed in the sequence that they appear in this manual Do not destroy or remove the manual from the unit The manual should r...

Page 7: ...lt t i in n d de ea at th h o or r s se er ri io ou us s i in nj ju ur ry y a an nd d e eq qu ui ip pm me en nt t o or r p pr ro op pe er rt ty y o on nl ly y d da am ma ag ge e T Te es st t l li if f...

Page 8: ...see Weights p 16 The unit should be elevated on a level field fabricated four inch steel or wood 4 x 4 mounting frame Complete the frame and secure it into position before lifting the unit to the roof...

Page 9: ...tremes in temperature Performed initial leak test Evacuated each refrigerant circuit to 500 microns Charged each circuit with proper amount of R 410A R 22 Electrical Wiring Provided unit power wiring...

Page 10: ...in mm W in mm D in mm TWA0604DA 0724 A 0764DA 0904 A R 410A and TTA090 R 22 39 2 996 42 1 1070 36 3 922 TWA0604DD 0724 D 0764DD 0904 D R 410A 39 2 996 51 9 1317 39 3 999 TWA101 120 R 410A TWA120 R 22...

Page 11: ...ONTROL WIRING OPTIONAL LINE VOLTAGE CONTROL WIRING SUCTION LINE LIQUID LINE BOTTOM OF UNIT 7 16 11 11 DIA ISOLATOR MOUNTING HOLES OUTSIDE HOLES 4 PLACES SERVICE PANEL SIDE SEE NOTE 4 HAIL GUARD OPTION...

Page 12: ...S 4 PLACES SERVICE PANEL SIDE 50 7 8 1293 51 11 16 1312 WITH HAIL GUARD SEE NOTE 1 THIS HOLE FOR 7 5T ONLY REFRIGERANT GUAGE ACCESS CONTROL WIRING OPTIONAL SERVICE CLEARANCE 48 1219 2 SEE NOTE 2 FOR C...

Page 13: ...NOTE 1 REFRIGERANT GUAGE ACCESS CONTROL WIRING OPTIONAL SERVICE CLEARANCE 48 1219 2 SEE NOTE 2 FOR CLEARANCE HAIL GUARD OPTIONAL HAIL GUARD OPTIONAL NOTES 1 ACCESS OPENING IS FOR FIELD INSTALLED BAYL...

Page 14: ...IDE HOLES 4 PLACES SERVICE PANEL SIDE 50 7 8 1293 51 11 16 1312 WITH HAIL GUARD SEE NOTE 1 REFRIGERANT GUAGE ACCESS CONTROL WIRING OPTIONAL SERVICE CLEARANCE 48 1219 2 SEE NOTE 2 FOR CLEARANCE HAIL GU...

Page 15: ...NEL SIDE BOTTOM OF UNIT SUCTION LINE REFRIGERANT GAUGE ACCESS LINE VOLTAGE LIQUID LINE CONTROL WIRING FRONT DETAIL A DIMENSIONAL DEATIL NOTES 1 MINIMUM CLEARANCE FOR PROPER OPERATION IS 36 914 4 FROM...

Page 16: ...ble 2 TWA R 22 unit and corner weights lbs 60 Hz Tons Model No Shipping Max lbs Net Max lbs Corner Weights 1 2 3 4 7 5 TWA0902 A 397 360 112 105 74 69 10 TWA1202 A 482 437 110 129 91 107 15 TWA1802 D...

Page 17: ...A072 090 120 TWA060 076 101 TWA0902 A 1202 A 1 2 3 4 LIFTING HOLES BOTH SIDES SERVICE ACCESS Figure 9 TWA180 240 TWA156 201 TWA1802 D TWA2402 D SERVICE ACCESS SERVICE ACCESS 1 2 3 4 LIFTING HOLES BOTH...

Page 18: ...ble elevation difference TTA or TWA below indoor unit Acceptable liquid riser height based on total liquid line length below indoor unit Contact manufacturer for review N No ot te e Route refrigerant...

Page 19: ...R Re ec co ov ve er r r re ef fr ri ig ge er ra an nt t t to o r re el li ie ev ve e p pr re es ss su ur re e b be ef fo or re e o op pe en ni in ng g t th he e s sy ys st te em m S Se ee e u un ni it...

Page 20: ...Un ni it t D Da am ma ag ge e D Do o n no ot t a ap pp pl ly y h he ea at t t to o r re em mo ov ve e s se ea al l c ca ap ps s u un nt ti il l t th he e g ga au ug ge e p po or rt t c co or re es s...

Page 21: ...e refrigerant charging hoses from liquid and gas gauge ports 9 Leak test the entire system Using proper procedures and caution as described in the previous section repair any leaks found and repeat th...

Page 22: ...e the balance of the unit charge can be metered through a charging manifold set as liquid preferably through a schrader valve into the suction line to the compressor only while the compressor is runni...

Page 23: ...04 B 11 8 11 8 0 5 1 2 1 125 1 1 8 TWA1014DA w TWE1014DA 27 3 N A 0 5 1 2 1 375 1 3 8 TWA1014DD w TWE1014DB 13 9 14 0 0 5 1 2 1 125 1 1 8 TWA1204 A w TWE1204 A 27 5 N A 0 5 1 2 1 375 1 3 8 TWA1204 D w...

Page 24: ...e d di is sc co on nn ne ec ct ts s a an nd d d di is sc ch ha ar rg ge e a al ll l m mo ot to or r s st ta ar rt t r ru un n c ca ap pa ac ci it to or rs s b be ef fo or re e s se er rv vi ic ci in n...

Page 25: ...Mount the indoor thermostat zone sensor or programmable zone sensor in accordance with the corresponding thermostat installation instructions Install color coded weather proof multi wire cable accordi...

Page 26: ...g Refer to the latest version of Condenser and Air Handler Pairing guide SS SVN016 EN for instructions on field wiring connections Refrigerant Circuit Figure 15 Typical split system heat pump cooling...

Page 27: ...ISCHARGE TEMPERATURE LIMIT DTL HIGH PRESSURE SWITCH HPCO DE ICE LOOP NOTE A CHECK VALVES 4 WAY SWITCHOVER VALVE LOW PRESSURE SWITCH LPCO EQUALIZER LINE NOTE A ONLY ONE OUTDOOR AND INDOOR COIL REFRIGER...

Page 28: ...ompressor and the outdoor fans if suction pressure drops below the Low Pressure Cut Out setting Once the suction pressure has returned to normal the compressor and outdoor fans will cycle back on High...

Page 29: ...y W Wh he en n i it t i is s 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 h ha av ve e a a q qu ua al li if...

Page 30: ...mbio Service and Installation mobile application The modes shown below can be initiated Depending on the equipment configuration the controller will energize the appropriate outputs A user selected ti...

Page 31: ...ng maintenance inspections once per month Check unit wiring to ensure all connections are tight and that the wiring insulation is intact Inspect the condenser coils for dirt and debris If the coils ap...

Page 32: ...32 SSP SVX001D EN inadvertently bent during the cleaning process M Ma ai in nt te en na an nc ce e...

Page 33: ...or Superheat F at compressor Subcooling F at liquid line Dry Bulb Wet Bulb Suction Pressure Discharge Pressure Circuit 1 Circuit 2 Circuit 1 Circuit 2 C1 C2 C1 C2 Note Perform each inspection once per...

Page 34: ...04 A 436766050001 436766270001 TWA0764DD TWE0764DB 436759340001 436759670001 TWA0904 D TWE0904 B 436759350001 436759680001 TWA1014DA TWE1014DA 436766080001 436766340001 TWA1204 A TWE1204 A 43676609000...

Page 35: ...060 072 090 120 and Digit 9 A 1213 4183 Control Schematic Wiring Diagram for units with Dual compressor and Single Fan All TWA Units with Digit 4 6 060 072 076 090 and Digit 9 D 1213 4184 Control Sch...

Page 36: ...or shipments outside the conterminous United States a replacement product or at the option of the warrantor parts for the repair of the product not conforming to this warranty and which have been retu...

Page 37: ...SSP SVX001D EN 37 N No ot te es s...

Page 38: ...38 SSP SVX001D EN N No ot te es s...

Page 39: ...SSP SVX001D EN 39 N No ot te es s...

Page 40: ...se visit trane com or americanstandardair com Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and specifications wit...

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