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Owner`s Manual (General)

1. STATUS LED CODES DIP GLGHOWYRC SWITCHES OOOO OOOOOOOO OOOOOOO Remote T Stat OOOOOOO 99999 2 E A lec AX 2 R A o Y A o W A leo A Le GH Note 1 GL and GH do not both 2 Most Thermostats do not A Lo GL need to be wired to the thermostat If the thermostat only offers one G Fan connection then either GL Low Fan or GH Hight Fan must be used e TRANE Trane An American Standard Company www trane com For more information contact your local district office or e mail us at comfort trane com require a common C connection If your thermostat does not have a common connection it doesn t need to be wired Literature Order Number PTAC SVU01A EN File Number SVUN PTAC 000 SVU01A 0802 EN Supersedes PTEC M 1A Stocking Location La Crosse Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice Only qualified technicians should perform the installation and servicing of equipment referred to in this publication
2. FD1 Front Desk Input1 FD2 Front Desk Input2 CN EXT1 Remote T Stat Fan Low Remote T Stat Fan High Remote T Stat Heating Input Remote T Stat Compressor Input Remote T Stat 24 VAC GL GH O Remote T Stat Reversing Valve Ww Y R C Remote T Stat Common Notes 1 In the remote mode the 3 minute compressor time delay the random restart feature and the freeze protection feature are all active The following functions are disabled at the control 1 Unit Mode Switch 2 Unit Temperature Control 3 Fan Cycle Switch 4 Electronic Setpoint limiting 5 Energy Management Feature Occupancy sensor and door switch PTAC SVUO1A EN A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Remote Thermostat Location This unit is designed to be operated with a limited selection of remote wall mounted Thermostats For further information on thermostats approved for use with this unit contact your sales representative For best performance results the thermostat should be located approximately five feet above the floor on a vibration free inside wall in an area with good air circulation Do not install the thermostat where it may be affect
3. Operation Maintenance Packaged Terminal Air Conditioner Models PTEC and PTHC Units PTED 070 PTHD 070 7 000 Btuh PTED 090 PTHD 090 9 000 Btuh PTED 120 PTHD 120 12 000 Btuh PTED 150 PTHD 150 15 000 Btuh Cooling Electric Heat and Heat Pump Models with Standard or Remote Controls PTAC SVUO1A EN e TRANE Warnings and Cautions NOTICE Warnings and Cautions appear at appropriate sections throughout this manual Read these carefully A WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices CAUTION Indicates a situation that may result in equipment or property damage only accidents 2002 American Standard Inc All rights reserved PTAC SVUO1A EN PTAC SVUO1A EN Contents General Information Specifications Unit Operation Maintenance Refrigeration System Component Tests Control Board Diagnostics Disassembly Performance Charts Schematic Diagrams 11 19 20 30 3b 36 39 e TRANE Environmental Accountability Policy Trane urges that all HVAC servicers working on Company equipment or any manufacturer s products make every effort to eliminate if possible or vigorously reduce the emission of CFC HCFC and HFC refrigerants to the atmosphere resulti
4. 2 Check the resistance of the Outdoor Coil Thermistor against the table on the next page The leads of the ohm meter will need to contact the ends of the thermistors that connect to the board 3 Replace the outdoor coil thermistor if it does not test as above Heater Assembly With Power OFF to the unit and heater 1 Remove the heaters in question and visually inspect the element for broken condition Refer to the disassembly procedures for information on disassembling the heater 2 Test the thermal fuse one time fuse If open replace the heater assembly Reversing Valve Occasionally the reversing valve may stick in the heating or cooling position or in the mid operation When stuck in the mid position part of the discharge gas from the compressor is directed back to the suction side resulting in excessively high suction pressure Check the operation of the valve by starting the system and switching the operation from COOLING to HEATING and then back to COOLING A WARNING Live Electrical Warning During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has properly trained in live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury
5. and hydrofluoric acids These acids contribute to the break down of motor winding insulation and the corrosion of compressor working parts and cause unnecessary compressor failure Sludge which is a residue of the chemical reaction coats all compressor parts the inside of refrigerant tubing and may even restrict refrigerant flow through the capillary tube s Leak Testing Refrigerant leaks are best detected with a halide or electronic leak detector The importance of careful leak testing cannot be over emphasized Undetected leaks invariably lead to repeated calls and eventually result in system contamination restrictions and burned out compressors For a system that contains a refrigerant charge and is suspected of having a leak stop the operation check all tubing and fittings Soap suds may also be used Note The flame of the halide detector will glow green in the presence of R22 refrigerant If a leak is detected do not attempt to apply more brazing material to the joint Recover the charge unbraze the joint clean and rebraze For a system that has been newly repaired and does not contain a charge connect a cylinder of refrigerant through a gauge manifold to the process tube of the compressor and liquid line strainer Open the valve on the cylinder and manifold and allow the pressure to build up within the system Check for and handle leaks as described above After the test has been completed re
6. 1070 44 PTAC SVU01A EN e TRANE Schematic Diagrams HP and AC POWER INPUT WH BL BK BR Ribbed Plain GN GN YL r a 2 l m i 5 e od Z away cells VALVE E SE Ei sotenop l T E rr l E d Bu i 3 5 Es ll b o rT P82 i l ak BK BK BK TEE WH CAPACITOR ge RD AL RD g PEN L IER Y MOTOR J U x M v ii I Ug g OUIDOORTAN R REV VV E EE EH NEN E HIGH L J Ni S bn e OUTDOOR AIR THERMISTOR OUTDOOR PIPE THERMISTOR Low coo HEAT el OD Je HEAT coo ow ASSEMBLY sage PNO PWB P NO 6870A90090A N N COL AR INDOOR PIPE INDOOR AIR THERMISTOR THERMISTOR CNEXTI b Ta 113 7 LET CO C TRANS come PTRANS po Kiki Fig 1 gt Fig 2 gt PTAC SVU01A EN Wels YU g For PTEC model Set Switch Position As Fig1 For PTHD Model Set Switch Position As Fig 2 Must Be Connected For 230V As Fig 3 Must Be Connected For 265V As Fig 4 On Heat Pump Model Only On Heat Pump Model Only Option Remove For Non Heat Pump Applications For 3 5 KW Heat Applications For 5 0KW Heat Applications 45
7. 11 700 12 000 12 000 14 300 14 600 14 600 Cooling Amps A 5 3 2 8 2 6 2 4 7 3 3 9 3 6 3 2 73 5 2 5 2 4 2 7 1 6 5 5 7 Cooling Power W 590 560 575 625 810 785 810 810 810 1045 1070 1070 1400 1430 1460 EER Btuh Watt 12 2 12 5 12 5 12 2 11 5 11 5 11 5 11 5 11 5 11 2 11 2 11 2 10 2 10 2 10 0 Moisture Removal Pts h 2 1 1 8 1 8 2 1 2 7 2 7 2 7 24 2 7 3 8 3 8 3 8 4 6 4 6 4 6 Heat Pump Heating Data Heating Capacity Heating Power W ae Airflow Indoor CFM Wet 0 3ESP Hi 210 185 215 210 245 230 260 245 315 300 330 315 315 355 335 Indoor CFM Wet 0 3ESP Lo 170 145 175 170 200 180 220 200 275 290 290 275 275 315 295 Indoor CFM Dry 0 3ESP Hi 235 210 240 235 265 250 250 265 335 320 350 335 350 390 370 Indoor CFM Dry 0 3ESP Lo 195 170 200 195 225 210 210 225 295 280 310 295 310 350 330 Electric Heat Data Heater Size kW 208V 2 1 6 2 9 a e 1 6 2 9 4 1 i 1 6 2 9 4 1 1 6 2 9 4 1 230V 2 0 3 5 2 0 3 5 5 0 2 0 3 5 5 0 2 0 3 5 5 0 265V i 2 0 3 7 2 0 3 7 5 0 2 0 3 7 5 0 2 0 3 7 5 0 Btu Hr 208V 5500 9 900 e 5 500 39 900 14 000 5 500 9 900 14 000 5 500 9 900 14 000 230V 6 800 11 900 6 800 11 900 17 100 6 800 11 900 17 100 6 800 11 900 17 100 265V 6 800 11 900 i 6 800 11 900 17 100 6 800 11 900 17 100 6 800 11 900 17 100 Heating Watt 208V 1635 2935 i 1 635 2935 4 135 1 640 2 940 4 140 1 645 2 945 4 145 230V 2040 3 540 2 000 3 540 5 040 2045 3 545 5 045 2 050 3 550 5 050 265V 2 04
8. 32 32 48 52 42 42 65 7 1 5 7 5 7 100 2 6 29 24 26 34 40 29 31 56 5 6 39 43 66 8 0 56 62 95 24 28 23 25 32 38 27 3 0 54 53 37 41 62 7 6 53 59 90 23 27 22 24 3 1 36 26 29 52 5 1 36 39 59 72 5 1 5 6 85 22 26 21 23 29 34 25 27 49 48 34 38 56 68 48 53 80 21 24 20 22 28 33 23 26 47 46 32 36 53 64 46 51 Cooling Ampere Chart Heat Pumps Cond Inlet Air Model Model Model Model Model Model Model Model Temperature PTHDO701 PTHD0702 PTHD0901 PTHD0902 PTHD1201 PTHD1202 PTHD1501 PTHD1502 o Amperage Amperage Amperage Amperage Amperage Amperage Amperage Amperage Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Rating Ampere 2 6 2 9 24 24 36 39 32 32 48 5 2 42 42 65 7 1 5 7 57 100 2 6 29 25 2 7 3 4 4 0 3 0 3 2 5 6 5 5 4 1 4 5 6 6 80 55 61 95 24 28 24 2 6 32 38 28 31 5 3 5 2 39 43 6 2 7 6 5 2 58 90 2 3 2 6 2 2 25 31 36 27 30 5 0 5 0 37 41 59 72 50 55 85 2 1 2 5 21 23 31 34 26 29 48 47 35 39 56 68 47 5 2 80 2 1 2 3 21 22 29 33 2b 27 46 4 5 33 37 53 64 45 49 42 PTAC SVU01A EN e TRANE Performance Charts Heating Wattage Temperature Model Outside PTHD0701 PTHD0702 PTHD0901 PTHD0902 PTHD1201 PTHD1202 PTHD1501 PTHD1502 Air Room Air Total Wattage Total Wattage Total Wattage Total Wattage Dry Bulb Dry Bulb Input Input Input Input O O Min Max Min Max Min Max Min Max Rating Wattage 520 535 670 685 940 965 1210 1235 85 580 620 745 790 1030 1115 1295 1435 80 565 600 725 775 10
9. Diagnostics 2 Pull the bottom of the cabinet front 5 Disconnect power to the unit away from the chassis until the retaining clips disengage 6 Lifting the front edge of the escutcheon slide the tabs at the top of the escutcheon out of the retaining holes and remove the escutcheon 7 Remove the unit control knobs by gently pulling the knobs off the control shafts 8 To gain access in side the control cover after removing the knobs and escutcheon remove the two screws holding control cover in position Control cover can be lifted off Refer to disassembly procedures for more information 3 Lift the cabinet front off the chassis 4 Remove the low voltage access cover by removing the screw securing it to the control panel cover A WARNING Live Electrical Warning During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has properly trained in live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury Disassembly to access Control Board Line Voltage Terminals 35 e TRANE A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure
10. e TRANE Schematic Diagrams Hydronic WH BL BK BR RIBBED PLAIN GN GN YL dz ER S 5 28 z 3 FE o 3 EE z o zo o z O E GN GN YL d 5 BK BL RDOR BR YL RD l CAPACITOR 1 BK BK BK B fw TB 2 Kai WH e p BK BL RD BL RD L R 5 a TB 4 WH z O LINE S COMP Nj 1 K aj O M 265 115 VAC HEATER2 HEATERT HIGH LOW ICR REV VLV O VRI poon FAN LOW od E Y Low C TRANS cooL WARM comp Wi sm maaan aaa E PWB PND 6870A90090A bk gt RYRF P TRANS Ea dn i i Deel SC INDOOR PIPE INDOORAIR BEE THERMISTOR THERMISTOR SATIS n EI ON Se CN ZONE CN EXT2 cNEXTI FUSE utum o Of EK AEAEEE AAAA Oo D KEE dris T 22 Feb Geh od e dL a m POCO INN zone PIR DOORI RE FDC sensor sewi swi rant SOR TMI Ezel L 1 ON sw2 TEES 46 1234567 Fig 1 gt TB 3 For PTED model Set Switch Position As Fig1 Must Be Connected For 208V 230V As Fig 2 Must Be Connected For 265V As Fig 3 Must Be Connected For 115V As Fig 4 Connect the piggy back wirings RED PS Fig 4 gt PTAC SVU01A EN Schematic Diagrams e TRANE Trane Zone Sensor Wiring CN
11. lines into an approved refrigerant container Seal all used refrigerant containers with approved closure devices to prevent unused refrigerant from escaping to the atmosphere Take extra care to properly maintain all service equipment directly supporting refrigerant service work such as PTAC SVNO1A EN July 2002 Product update New control board features gauges hoses vacuum pumps and recycling equipment When cleaning system components or parts avoid using CFC 11 R 11 or CFC 113 R 113 Use only cleaning solvents that do not have ozone depletion factors Properly dispose of used materials Refrigeration system cleanup methods using filters and driers are preferred Maintain the purge unit on centrifugal water chillers in proper working condition An improperly maintained purge unit can cause significant refrigerant emissions to the atmosphere Consider replacing older operational purge units with the new Company Purifier Purge unit Excessive purge operation is an indication of possible refrigerant leakage Check for leaks when excessive purge operation is observed Future Developments Keep abreast of unit enhancements conversion refrigerants compatible parts and manufacturer s recommendations which will reduce refrigerant emissions and increase equipment operating efficiencies Follow specific manufacturer s guidelines for conversion of existing equipment Use only Company approved gaskets O rings oil filters and
12. or serious injury PTAC SVUO1A EN e TRANE Refrigeration System For The Cooling Wattage Tests the following additional readings must be recorded after the unit under test is interconnected with a wattmeter Outdoor air dry bulb temperature Avoid direct exposure of thermometer to sunlight or to hot condenser discharge air Total watts input measured by wattmeter or calculate by multiplying applied voltage by the unit s amp draw Calculating Procedure Locate the outside air dry bulb temperature obtained in the first column of the Cooling Wattage Test 2 Locate in the second column the return air wet bulb temperature obtained in the Cooling Performance Test 3 The total watts input should come between minimum and maximum values indicated for each model Example Assume that a PTHD1501 is again under test Proceed as follows and observe test readings as simultaneously as possible 1 Outdoor air dry bulb temperature reading 95 F 2 Check watts input 1510 3 Wet bulb temperature as described in Step C 75 F In the column headed Outdoor Air Dry Bulb Temperature of the Cooling Wattage Test find the 95 F value Read to the right from the 95 F value and find the room wet bulb temperature 75 F Read to the right front the 75 F W B value in the PTHD1501 column and note the minimum and maximum wattage of 1460 1575 Since the wattage reading 1510 obtained in the test is
13. other components on centrifugal water chillers or CenTraVacs In order to assist in reducing power generation requirements always attempt to improve chiller equipment performance with improved maintenance operations which will help conserve energy resources Items to be considered include tube cleanliness proper water flows correct refrigerant charge cooling tower maintenance and proper operation of controls and features such as free cooling chilled water reset functions and time of day scheduling PTAC SVU01A EN PTAC SVUO1A EN General Information e TRANE Model Number All standard products are identified by multiple character model numbers that precisely identifies a particular type of unit An explanation of the alphanumeric identification code used with Packaged Terminal Air Conditioners is provided below Use of the service model number will enable the owner operator installing contractors and service technicians to define the operation components and options of a particular PTED or PTHD unit Important Be sure to refer to the model number stamped on the unit nameplate when ordering replacement parts or requesting service All product model and serial nameplates carry an additional number called the manufacturing number It is possible to have one or more like products with the same model number but that a portion of the parts would not be interchangeable The manufacturing number has been add
14. with in the prescribed range the total power input in watts is considered to be normal Electric Heat Test For the electric heat test the following readings must be recorded after the unit is interconnected with a wattmeter or by recording the total amp draw to the unit Note Cabinet front must be in place during this test Record supply voltage to unit Operate unit in highest heat setting Record wattage recorded on wattmeter or total amp draw to unit Refer to the Electric Heat Capacity and Electrical Data on page 11 whichever is applicable for voltage rating on the unit being tested The total watts or amps recorded should fall with in the minimum and maximum watts amps listed on these charts 27 e TRANE 28 Refrigeration System Example Assume that a PTHD1501 230 208V with 3 5 kW electric heater is under test 1 Supply voltage as recorded 208V 2 Watts recorded 2750W or Amps recorded 13 5 Amps 3 Locate the readings listed on page 11 You will note that these readings fall within the voltage watts and amp draw minimum and maximum ranges listed and therefore the unit heating performance would be considered normal Heating Power Consumption Test Heat Pump Mode Only For the heating wattage the following readings must be recorded after the unit is interconnected with a wattmeter Outside coil inlet air dry bulb temperature Inside coil inlet air dry bulb
15. 0 1070 990 1100 60 525 660 720 805 940 1060 980 1095 55 520 640 710 795 930 1055 965 1075 85 510 635 690 770 895 1020 915 1025 80 515 640 690 775 900 1020 930 1040 75 520 640 695 780 905 1030 936 1046 85 70 515 640 690 775 900 1020 935 1050 65 510 635 690 770 895 1020 930 1045 60 505 625 680 765 890 1010 925 1035 55 490 615 670 755 880 1000 907 1020 85 485 605 645 730 850 970 860 970 80 490 610 650 735 850 970 870 985 75 490 610 650 735 850 975 880 990 80 70 490 610 650 735 850 970 885 990 65 485 605 645 730 850 970 880 990 60 475 600 635 720 940 960 870 980 55 465 585 625 710 830 950 855 965 PTAC SVU01A EN 39 e TRANE Cooling Wattage Heat Pumps Performance Charts Model PTHD0701 PTHD0702 PTHD0901 PTHD0902 PTHD1201 PTHD1202 PTHD1501 PTHD1502 Temperature Outdoor Air Return Air Total Wattage Total Wattage Total Wattage Total Wattage Dry Bulb Wet Bulb Input Input Input Input L1 o Min Max Min Max Min Max Min Max Rating Wattage 600 625 810 850 1120 1145 1430 1460 85 625 705 830 935 1120 1230 1445 1570 80 620 710 835 940 1125 1235 1465 1590 75 620 710 835 940 1130 1240 1475 1600 100 70 620 710 835 940 1125 1240 1475 1600 65 615 705 830 935 1120 1230 1470 1600 60 605 695 820 925 1115 1230 1460 1580 55 595 685 810 915 1100 1210 1440 1562 85 580 670 785 890 1070 1180 1375 1500 80 585 675 790 890 1075 1190 1390 1520 75 590 680 795 890 1075 1190 1410 1530 95 70 585 675 790 890 1075 1190 1410 1530 65 580 670 7
16. 0 20 22 23 27 27 30 80 18 21 21 23 23 28 28 31 40 75 19 22 22 24 24 29 29 31 70 20 23 23 24 25 29 30 32 65 21 24 24 25 26 30 31 33 85 15 17 17 20 21 24 27 29 80 16 18 18 21 22 25 28 30 35 75 17 19 19 22 23 26 29 31 70 18 20 20 23 23 27 30 31 65 19 21 21 24 24 28 31 32 PTAC SVUO1A EN 43 e TRANE Performance Charts Cooling Change of Temperature Heat Pumps Model Room Air Room Air PTHD0701 PTHDO702 PTHD0901 PTHD0902 PTHD1201 PTHD1202 PTHD1501 PTHD1502 Dry Wet Temperature Across Temperature Across Temperature Across Temperature Across Bulb Bulb Indoor Coil L1 T Indoor Coil L1 T Indoor Coil O T Indoor Coil L1 T L1 L1 Min Max Min Max Min Max Min Max Rating Btu h 7300 7600 9300 9600 12300 12600 14300 14600 Rating CFM 195 225 240 270 310 340 315 355 85 1 3 2 5 1 4 1 4 80 6 10 9 13 8 12 8 12 90 75 16 18 16 19 15 20 15 19 70 24 26 24 26 23 27 23 26 80 3 8 6 9 5 9 5 8 75 12 15 13 16 12 16 12 15 85 70 19 22 20 22 18 22 19 22 65 27 29 26 29 25 29 26 29 75 7 11 9 13 8 12 8 12 70 15 17 15 18 14 18 14 17 80 65 21 24 21 24 20 23 20 23 60 28 29 27 29 25 29 27 29 70 9 13 11 14 9 13 10 13 65 15 18 15 18 14 18 14 18 75 60 20 23 20 23 18 22 19 22 55 25 27 24 27 23 27 24 27 65 9 12 10 13 8 12 9 13 70 60 14 16 14 16 12 15 13 16 55 18 20 17 19 15 19 16 20 Heat Pump Reverse Cycle Heating Capacity Model PTHDO7 PTHDO9 PTHD12 PTHD15 Voltage 208 230 265 208 230 265 208 230 26
17. 0 3 740 2040 3740 5 040 2040 3740 5 040 2 040 3 740 5 040 Heating Amps 208V 7 9 14 1 id 79 14 1 19 9 79 14 1 19 9 79 14 2 19 9 230V 8 9 15 4 e 8 9 15 4 21 9 8 9 15 4 21 9 8 9 15 4 22 0 265V x 7 7 14 1 7 7 14 1 19 0 7 7 14 1 19 0 7 7 14 1 19 0 PTAC SVU01A EN 9 e TRANE Specifications PTHD 07 PTHD 09 PTHD 12 PTHD 15 Voltage V 208 230 265 208 230 265 208 230 265 208 230 265 Cooling Data Cooling Capacity Btu h 7 300 7 600 7 600 9 300 9 600 9 600 12 300 12 600 12 600 14 300 14 600 14 600 Cooling Amps A 3 0 2 8 2 4 4 1 3 8 3 2 5 6 5 1 4 4 7 1 7 1 5 7 Cooling Power W 600 625 625 810 835 835 1110 1125 1125 1430 1460 1387 EER Btuh Watt 12 2 12 2 12 2 11 5 11 5 11 5 11 2 11 2 11 2 10 0 10 0 10 0 Moisture Removal Pts h 2 1 2 1 2 1 2 7 2 7 2 7 3 8 3 8 3 8 4 6 4 6 4 6 Heat Pump Heating Data Heating Capacity Btu h 6 200 6 400 6 400 8 200 8400 8 400 10 900 11 200 11 200 13 300 13 500 13 500 Heating Amps A 2 6 2 4 2 4 3 4 3 1 2 6 3 4 3 1 3 4 6 0 5 5 4 8 Heating Power W 520 636 535 670 685 685 940 965 965 1210 1235 1235 COP W W 3 5 3 5 3 5 3 6 3 6 3 6 3 4 3 4 3 4 3 2 3 2 3 2 Airflow Indoor CFM Wet 0 3ESP Hi 195 225 225 240 270 270 310 340 340 315 355 355 Indoor CFM Wet 0 3ESP Lo 155 185 185 190 230 230 270 300 300 275 315 315 Indoor CFM Dry 0 3ESP Hi 220 250 250 260 290 290 330 360 360 350 390 3
18. 0118 21 10 2868 27 0 9164 75 0 148 A 123 0 0359 A 171 0 0115 20 9 706 28 0 8776 76 0 1431 124 0 03494 172 0 0113 19 9 1588 29 0 8407 77 0 1385 125 0 034 173 0 0111 18 8 6463 30 0 8056 78 0 134 126 0 03315 174 0 0109 17 8 1662 31 0 772 79 0 1297 127 0 03233 175 0 0107 16 7 7162 32 0 7401 80 0 1255 128 0 03153 176 0 0104 15 7 294 33 0 7096 81 0 1215 129 0 03075 177 0 0102 14 6 8957 34 0 6806 82 0 1177 130 0 03 178 0 01 13 6 5219 35 0 653 83 0 114 131 0 02926 179 0 0098 12 6 1711 36 0 6266 384 0 1104 132 0 02854 A 180 0 0097 11 5 8415 37 0 6014 85 0 107 133 0 02784 181 0 0094 10 5 5319 38 0 5774 86 0 1037 134 0 02716 182 0 0092 9 5 2392 39 0 5546 87 0 1005 135 0 0265 183 0 009 8 4 964 40 0 5327 88 0 0974 136 0 02586 184 0 0088 7 4 7052 41 0 5117 89 0 0944 137 0 02525 185 0 0087 6 4 44617 42 0 4918 90 0 0915 138 0 02465 186 0 0085 5 4 2324 43 0 44727 91 0 08885 139 0 02407 187 0 0083 4 4 0153 44 0 4544 92 0 0861 140 0 0235 188 0 0082 3 3 8109 45 0 437 93 0 08355 141 0 02295 189 0 008 2 3 6182 46 0 4208 94 0 08108 142 0 02242 190 0 0079 1 3 4367 47 0 4042 95 0 0787 143 0 0219 191 0 0077 0 3 2654 48 0 3889 96 0 07641 144 0 02139 192 0 0076 1 3 103 49 0 3743 97 0 0742 145 0 0209 193 0 0074 2 2 0498 50 0 3603 98 0 07206 146 0 02039 194 0 0073 3 2 8052 51 0 3469 99 0 07 147 0 0199 195 0 0072 4 2 6080 52 0 334 100 0 068 148 0 01942 196 0 007 5 2 5396 53 0 3217 101 0 06612 149 0 01895 197 0 0069 6 24171 54 0 3099 102 0
19. 0643 150 0 0185 198 0 0067 7 2 8013 55 0 2986 103 0 06255 151 0 01801 199 0 0066 200 0 0065 PTAC SVUO1A EN 33 e TRANE A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury 34 Component Tests Reversing Valve continued If no voltage is registered to the coil check the operation of the reversing relay and the continuity of the connecting wires If voltage is registered at the coil tap the valve body lightly while switching the system from HEATING to COOLING etc If this fails to cause the valve to switch position remove the coil connector cap and wiring and test the continuity of the valve coil If the coil does not test continuous replace it If the valve is inoperative replace Component Replacement Replacement of the compressor evaporator condenser capillary tubes and reversing valve must be in accordance with accepted service practices These procedures include a complete evacuation of both high and low sides and changing of the capillary tube assembly whenever the refrigerant system is opened Before replacing a component in the sealed system make sure that the cause for complaint does not lie in the electrical circuit control overload or is due to so
20. 10 1095 1275 1410 50 75 550 590 710 760 990 1075 1245 1385 70 535 575 695 740 970 1050 1225 1360 65 520 560 675 720 945 1025 1200 1335 85 565 600 710 760 1000 1080 1240 1375 80 550 590 695 740 975 1060 1214 1355 45 75 630 570 680 730 955 1040 1190 1330 70 515 555 660 710 930 1010 1160 1305 65 500 540 640 690 910 995 1145 1280 85 545 580 680 725 950 1040 1185 1320 80 530 570 660 710 940 1020 1160 1300 40 75 515 555 640 690 920 1000 1135 1270 70 500 535 630 675 895 980 1110 1250 65 480 520 610 675 875 955 1090 1220 85 525 565 650 695 925 1010 1130 1270 80 510 550 630 675 900 985 1110 1240 35 75 500 535 610 655 880 965 1080 1220 70 480 520 600 645 855 940 1060 1190 65 465 500 580 625 940 922 1030 1265 Heating Change of Temperature Model Room Air Room Air PTHDO701 PTHD0702 PTHD0901 PTHD0902 PTHD1201 PTHD1202 PTHD1501 PTHD1502 Dry Wet Temperature Across Temperature Across Temperature Across Temperature Across Bulb Bulb Indoor Coil L1 T Indoor Coil L1 T Indoor Coil L1 T Indoor Coil L1 T L1 L1 Min Max Min Max Min Max Min Max Rating Btu h 6200 6400 8200 8400 10900 11200 13300 13500 Rating CFM 220 250 260 290 330 360 350 390 85 22 24 24 27 27 30 28 30 80 23 24 25 28 28 31 29 31 50 75 24 25 26 29 29 32 30 31 70 26 27 28 30 31 34 32 33 65 26 27 28 30 31 34 32 33 85 19 22 22 24 24 29 27 30 80 20 23 23 25 25 29 28 31 45 75 21 24 24 26 26 30 29 31 70 22 24 24 27 27 31 30 32 65 23 25 25 28 28 32 31 33 85 17 2
21. 14 17 13 17 55 22 24 20 22 18 21 18 21 PTAC SVU01A EN 41 e TRANE Performance Charts Cooling Change of Temperature Heat Pumps Model Room Air Room Air PTHD0701 PTHD0702 JPTHD0901 PTHD0902 PTHD1201 PTHD1202 PTHD1501 PTHD1502 Dry Wet Temperature Across Temperature Across Temperature Across Temperature Across Bulb Bulb Indoor Coil L1 T Indoor Coil L1 T Indoor Coil L1 T Indoor Coil L1 T L1 L1 Min Max Min Max Min Max Min Max Rating Btu h 7300 7600 9300 9600 12300 12600 14300 14600 Rating CFM 195 225 240 270 310 340 315 355 85 1 3 2 6 1 5 1 4 80 8 13 11 15 10 13 8 12 90 75 19 22 19 22 18 22 17 20 70 30 33 29 30 26 30 25 28 80 4 9 7 11 5 10 5 9 75 14 19 15 18 14 18 12 16 85 70 23 27 23 25 21 25 21 23 65 33 36 31 33 30 33 28 31 75 9 14 11 15 10 13 8 12 70 18 21 18 20 16 20 16 18 80 65 26 29 24 27 23 26 22 25 60 35 36 32 33 30 33 29 31 70 12 16 13 16 11 15 10 14 65 18 22 18 21 16 20 16 19 75 60 24 28 23 26 21 25 21 24 55 31 34 29 31 26 30 26 29 65 12 15 12 15 10 13 g 13 70 60 17 20 16 18 14 17 13 17 55 22 24 20 22 18 21 18 21 Cooling Ampere Chart Air Conditioners Cond Inlet Air Model Model Model Model Model Model Model Model Temperature PTEDO701 PTEDO702 PTEDO901 PTED0902 PTED1201 PTED1202 PTED1501 PTED1502 O Amperage Amperage Amperage Amperage Amperage Amperage Amperage Amperage Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Rating Ampere 2 6 2 9 24 24 36 39
22. 5 208 230 265 Amps 2 6 24 24 3 4 3 1 2 6 4 7 4 3 3 8 6 0 5 5 4 8 Watts 520 535 535 670 685 685 940 965 965 1210 1235 1235 Btuh 6200 6400 6400 8200 8400 8400 10900 11200 11200 13300 13500 13500 COP 3 5 35 3 5 36 36 3 6 3 4 3 4 3 8 3 2 3 2 3 2 CFM Dry 195 225 225 240 270 270 310 340 340 315 355 355 Heating Btuh O Outdoor Ambient 62 7200 7400 7400 9800 10100 10100 13200 13500 13500 15800 16000 16000 57 6900 7100 7100 9300 9600 9600 12500 12800 12800 15000 15200 15200 52 6500 6700 6700 8700 9000 9000 11700 12000 12000 14200 14400 14400 Rating Point 47 6200 6400 6400 8200 8400 8400 10900 11200 11200 13300 13500 13500 42 5900 6100 6100 7700 7900 7900 10200 10500 10500 12500 12700 12700 37 5600 5800 5800 7200 7400 7400 9500 9700 9700 11700 11900 11900 32 5300 5500 5500 6700 6900 6900 9600 8900 8900 10800 11000 11000 27 5000 5200 5200 6200 6300 6300 7900 8200 8200 10000 10200 10200 24 4800 5000 5000 5800 6000 6000 7500 7800 7800 9500 9700 9700 Watts Outdoor Ambient 62 555 565 565 725 740 740 1034 1060 1060 1300 1325 1325 57 550 560 560 715 730 730 1010 1030 1030 1275 1305 1305 52 530 540 540 695 710 710 980 1000 1000 1245 1270 1270 Rating Point 47 525 535 535 670 685 685 945 965 965 1210 1235 1235 42 505 525 525 650 665 665 910 930 930 1175 1200 1200 37 500 510 510 630 645 645 880 900 900 1140 1165 1165 32 490 500 500 615 630 630 830 850 850 1100 1120 1120 27 480 495 495 585 600 600 790 810 810 1055 1080 1080 24 475 490 490 570 585 585 765 785 785 1045 1070
23. 5 225 230 260 300 330 315 355 85 1 3 2 6 1 5 1 4 80 8 13 11 14 9 13 8 12 90 75 19 22 19 22 18 22 16 20 70 30 33 28 30 26 30 25 27 80 4 9 7 11 5 10 5 8 75 14 19 15 18 13 18 12 16 85 70 23 27 23 25 21 25 20 23 65 34 36 31 33 29 33 28 30 75 9 14 11 14 9 13 8 12 70 18 21 18 20 15 20 15 18 80 65 26 29 24 27 23 26 21 24 60 35 36 32 33 29 33 29 30 70 12 16 13 16 10 15 10 14 65 18 22 18 21 15 20 15 19 75 60 25 28 23 26 21 25 20 24 55 31 34 28 31 26 30 26 28 65 12 15 12 14 9 13 9 13 70 60 17 20 16 18 13 17 13 17 55 22 24 20 22 18 21 17 21 Cooling Change of Temperature Heat Pumps Model Room Air Room Air PTHDO701 PTHD0702 PTHD0901 PTHD0902 PTHD1201 PTHD1202 PTHD1501 PTHD1502 Dry Wet Temperature Across Temperature Across Temperature Across Temperature Across Bulb Bulb Indoor Coil L1 T Indoor Coil L1 T Indoor Coil L1 T Indoor Coil L1 T L1 L1 Min Max Min Max Min Max Min Max Rating Btu h 7300 7600 9300 9600 12300 12600 14300 14600 Rating CFM 195 225 240 270 310 340 315 355 85 1 3 2 6 1 5 1 4 80 8 13 11 15 10 13 8 12 90 75 19 22 19 22 18 22 17 20 70 30 33 29 30 26 30 25 28 80 4 9 7 11 5 10 5 9 75 14 19 15 18 14 18 12 16 85 70 23 27 23 25 21 25 21 23 65 33 36 31 33 30 33 28 31 75 9 14 11 15 10 13 8 12 70 18 21 18 20 16 20 16 18 80 65 26 29 24 27 23 26 22 25 60 35 36 32 33 30 33 29 31 70 12 16 13 16 11 15 10 14 65 18 22 18 21 16 20 16 19 75 60 24 28 23 26 21 25 21 24 55 31 34 29 31 26 30 26 29 65 12 15 12 15 10 13 9 13 70 60 17 20 16 18
24. 85 890 1070 1180 1400 1520 60 575 675 780 880 1060 1170 1390 1515 55 560 655 770 865 1050 1160 1370 1495 85 550 640 745 845 1020 1130 1305 1430 80 555 645 750 850 1025 1135 1325 1445 75 555 645 750 850 1025 1135 1335 1460 90 70 555 645 750 850 1025 1125 1340 1460 65 550 640 745 845 1020 1130 1335 1455 60 540 630 735 835 1010 1120 1320 1440 55 530 620 720 825 1000 1110 1260 1420 85 515 610 700 800 970 1080 1240 1360 80 520 610 705 800 975 1085 1260 1380 75 525 615 705 810 975 1085 1265 1390 85 70 520 610 705 800 975 1085 1265 1395 65 515 610 700 800 970 1080 1260 1390 60 510 600 690 790 960 1070 1250 1375 55 500 590 680 775 950 1060 1230 1355 85 485 575 655 755 920 1030 1170 1290 80 490 580 660 760 925 1030 1185 1310 75 490 480 660 760 925 1035 1195 1320 80 70 490 580 660 760 920 1030 1200 1320 65 485 575 655 755 920 1030 1195 1315 60 475 565 650 745 910 1020 1180 1305 55 465 555 635 735 900 1010 1160 1280 40 PTAC SVU01A EN e TRANE Performance Charts Cooling Change of Temperature Air Conditioners Model Room Air Room Air PTEDO701 PTEDO0702 PTED0901 PTEDO0902 PTED1201 PTED1202 PTED1501 PTED1502 Dry Wet Temperature Across Temperature Across Temperature Across Temperature Across Bulb Bulb Indoor Coil L1 T Indoor Coil L1 T Indoor Coil L1 T Indoor Coil L1 T L1 L1 Min Max Min Max Min Max Min Max Rating Btu h 7000 7600 9000 9300 11700 12000 14300 14600 Rating CFM 18
25. 90 Indoor CFM Dry 0 3ESP Lo 180 210 210 220 250 250 290 330 320 310 350 350 Electric Heat Data Heater Size kW 208V 1 6 2 9 1 6 2 9 4 1 1 6 2 9 4 1 1 6 2 9 4 1 230V 2 0 3 5 2 0 3 5 5 0 2 0 3 5 5 0 2 0 3 5 5 0 265V 2 0 3 7 2 0 3 7 5 0 2 0 3 7 5 0 2 0 3 7 5 0 Btu Hr 208V 5 500 9 900 5 500 9 900 14 000 5 500 9 900 14 000 5 500 9 900 14 000 230V 6 800 11 900 6 800 11 900 17 100 6 800 11 900 17 100 6 800 11 900 17 100 265V 6 800 11 900 6 800 11 900 17 100 6 800 11 900 17 100 6 800 11 900 17 100 Heating Watt 208V 1 635 2 935 1635 2 935 4 135 1 640 2 940 4 140 1 645 2 945 4 145 230V 2 040 3 540 2040 3 40 5 040 2 045 3 545 5 045 2 050 3 550 5 050 265V 2040 3740 2040 3 740 5 040 2 040 3 740 5 040 2 040 3 740 5 040 Heating Amps 208V 79 14 1 7 9 14 1 19 9 7 9 14 1 19 9 7 9 14 2 19 9 230V 8 9 15 4 8 9 15 4 21 9 8 9 15 4 21 9 8 9 15 4 22 0 265V 7 7 14 1 be 7 7 14 1 19 0 7 7 14 1 19 0 7 7 14 1 19 0 10 PTAC SVU01A EN Operating Instructions Users Controls Two rotary knobs controlling temperature and operational mode are located behind the control door located to the top right of the cabinet front 70 Higu FAN FAN OFF LOW LOW HEAT COOL HIGH HIGH 50 90 HEAT COOL On board Temperature Control Turning the temperature control clockwise will provide a warmer room temperature turning it counterclockwise will provide a cooler room temperature Adjusting the temperature control to the mid setting verti
26. Assembly Removal 1 Remove the cabinet front 2 Remove the three screws securing the discharge screen to the chassis Shown below Control Wiring Access Cover 3 Remove the control wiring access cover by removing four screws near the top of the partition panel above the control panel Disconnect the heater wiring connector 4 To remove the heater discharge deck assembly remove two screws on the left and one on the right side of the discharge deck Shown below PTAC SVU01A EN e TRANE Disassembly Procedures 5 Gently lift the heater discharge deck assembly out of the unit Indoor Coil Thermistor Removal 1 Remove the front cabinet 2 Remove the escutcheon control knobs and control panel 3 Disconnect the Indoor Coil Thermistor wiring from the control board 4 Locate the Indoor Coil Thermistor on the suction tube Gently pull the thermistor from the housing 5 Remove the ICT from the unit Outdoor Coil Thermistor Removal 1 Remove chassis from the wall 2 Remove the front cabinet 3 Remove the escutcheon control knobs and the control panel 4 Disconnect the Outdoor Coil Thermistor wiring from the control board 5 Gently pull the thermistor from the housing 6 Remove the OCT from the unit Evaporator Removal 1 Remove the chassis from the wall 2 Remove the front cabinet 3 Remove the escutcheon control knobs control panel and control box assemblies Refer to the p
27. FAULT DIP CN ZONE CODES SWITCHES OOOO OOOOOOO 1234567 DIP Switches the terminal strip cover must be removed After removing the cabinet front one screw must be removed from the terminal strip cover and then it can be removed The unit s DIP switches and low voltage terminals will then be visible Below is an illustration of the low voltage terminals CN EXT2 OOOOOOOO CN EXT1 OOOOOOO MODE CSP GND ZONE GL GH O W Y R C OC1 OC2 DR1 DR2 RF1 RF2 FD1 FD2 11 e TRANE 12 Unit Operation A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Unit DIP Switches The Trane PTAC has a series of seven DIP Dual In Line Package Switches that provide a wide array of unit features The table below summarizes the function of each switch Following the table is a short explanation of what each switch does Note that the position of a DIP Switch that is in the ON position is up Switch Switch Function Default Number Description Description Settings Factory 1 Fan Cycle Switch 1 Sets the operational OFF mode of the fan 2 Fan Cycle Switch 2 Sets the operati
28. FD1 and FD2 terminals Applying 24VAC to these terminals will result in failure of the control board Shorting these terminals to any other terminals may also result in control board failure Door Switch Occupancy Sensor DR1 DR2 OC1 OC2 Inputs When the door switch changes state the door opens or closes the unit control starts a 35 minute timer If at the end of the 35 minutes the occupancy sensor does not detect room movement the unit is in Occupied Standby Mode If at any time during the 35 minutes the occupancy sensor detects motion the unit is in Occupied Mode Once the room is in an Occupied Mode the control will ignore the occupancy sensor until a state change on the door switch input occurs For additional energy savings when the unit is in Occupied Standby mode the setpoint temperature is adjusted 4 depending on what operating mode Heat or Cool the PTAC is in The occupancy sensor and door switch PTAC SVU01A EN Unit Operation e TRANE are not supplied by Trane Refer to the Schematic Diagrams section for wiring information Contact Trane Sales for more information on Occupancy Sensors and Door Switches Remote Fan Operation The Trane PTAC has the ability to operate a remote fan in conjunction with the unit s indoor fan The remote fan will provide conditioned air to additional rooms or to areas that are not well ventilated The remote fan will operate any time the indoor fan on th
29. Important Note Set the temperature control all the way counter clockwise to prevent the fan from suddenly coming on and endangering the servicer s hands PTAC SVU01A EN Component Tests e TRANE 10K OHMS 9 25 C SC Multiplier C Multiplier C Multiplier C Multiplier C Multiplier 40 336 8 2 1918 56 0 2878 104 0 06085 152 0 0175 39 31 449 9 2 0883 57 0 2774 105 0 0592 153 0 017 38 29 452 10 1 9903 58 0 2675 106 0 0576 154 0 0166 37 27 597 11 1 8972 59 0 2579 107 0 05605 155 0 0162 36 25 873 12 1 809 60 0 2488 108 0 05456 156 0 0158 3b 24 27 13 1 7255 61 0 24 109 0 0531 157 0 0154 34 22 761 14 1 6464 62 0 2315 110 0 0517 158 0 0151 33 21 357 15 1 5714 63 0 2235 111 0 05027 159 0 0148 32 20 0501 16 15 64 0 2157 112 0 04889 160 0 0145 31 18 834 17 1 4323 65 0 2083 113 0 04755 A 161 0 0141 30 17 7 18 1 3681 66 0 2011 114 0 04625 162 0 0138 29 16 6342 19 1 8071 67 0 1943 115 0 045 163 0 0135 28 15 6404 A 20 1 2493 68 0 1876 116 0 04372 164 0 0132 27 14 7134 21 1 1942 69 0 1813 117 0 04248 165 0 013 26 13 8482 22 1 1418 70 0 1752 118 0 04128 166 0 0127 25 13 0402 23 1 0921 71 0 1693 119 0 04012 167 0 0125 24 12 2807 24 1 04049 72 0 1637 120 0 039 168 0 0122 23 11 571 25 1 73 0 1582 A 121 0 03793 169 0 012 22 10 9075 _ 26 0 9571 74 0 153 122 0 0369 170 0
30. Water Heat Kit 265V SAG10 Stamped Aluminum Grilles Ten Pack HWKO1 Hydronic Water Heat Kit 230 208V CABO2 Condenser Air Baffle Kit LVLGO2 Wall Sleeve Levelling Legs CB0115 Circuit Breaker 230V 15A PS0130 Power Switch 230 208V 30 A CB0120 Circuit Breaker 230V 20A KEYLOK Control Panel Key Lock CB0130 Circuit Breaker 230V 30A PS0230 Power Switch 265V 30 A CB0415 Circuit Breaker 115V 15A REK10 Remote Escutcheon Kits 10 Pack CDP01 Condensate Pump 230 208V SUB0120 Subbase 230 208V 20A CDP02 Condensate Pump 265V SUBO130 Subbase 230 208V 30A DRAIN Drain Kit SUBO220 Subbase 265V 20A SUB0230 Subbase 265V 30A FILTR10 Ten Pack Filter Kit TAYSTAT340 1H 1C Digital Prog Tstat 4 wire Pwr Steal FUSE0115 Fuse Holder Kit 230 208V 15A TAYSTAT371 1H 1C Digital NonProg Tstat 4 wire Pwr Steal FUSE0120 Fuse Holder Kit 230 208V 20A TAYSTAT540 2H 1C Heat Pump Digital Prog Tstat FUSE0130 Fuse Holder Kit 230 208V 30A TAYSTAT570 2H 1C Heat Pump Digital NonProg Tstat WS130 Standard Wall Sleeve WS180 Extended 18 Wall Sleeve WS240 Extended 24 Wall Sleeve PFCO1 Plastic Front Cover ZONSENS Zone Sensor PTAC SVU01A EN e TRANE Specifications PTED 07 PTED 09 PTED 12 PTED 15 Voltage V 115 208 230 265 115 208 230 265 115 208 230 265 208 230 265 Cooling Data Cooling Capacity Btu h 7 200 7 000 7 200 7 600 9 300 9 000 9 300 9 300 9 300
31. ZONE Eel EAU ees LED CODES DIP SWITCHES ooooooo be ili MODE CSP GND ZONE OOOOOOO Note Refer to the Remote Operation Section for DIP switch settings and Zone Sensor Features Energy Management System Q OOOO ZONE SENSOR IN LD ZONE A L GND AN D CSP PS LD MODE il CNN ee Energy Management OC1 OC2 DR1 DR2 BEI BEZ FD1 FD2 erts AU ACI LED CODES DIP SWITCHES 0000000 OOOO OOOOOOOO OOOOOOO Note The Occupancy Sensor and Door Switch are not provided by Trane They are to be field installed and supplied PTAC SVUO1A EN ys A lp Door Switch A A Occupancy Sensor 47 Schematic Diagrams Front Desk Switch and Remote Fan Wiring QO STATUS LED CODES Line N eus 0000000 DIP OC1 OC2 DR1DR2 RF1RF2 FD1FD2 ns SWITCHES oooo ooooooool 0000000 E See 0000000 REMOTE 00060000 FAN A MOTOR Note The front desk switch and A Front Desk remote fan are not provided by Trane Remote Thermostat Wiring C lu NT uL ees rauLr OO00000 Field Supplied Relay DD
32. cal will set the room temperature at approximately 70 F A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury PTAC SVU01A EN Unit Operation e TRANE Mode Switch The table below describes the unit function corresponding to the various mode switch settings Mode Switch Settings HIGH HEAT Heat pump operation Electric Heat will operate along with the high fan setting LOW HEAT Heat pump operation Electric Heat will operate along with the low fan setting HIGH FAN The unit will operate in the high fan mode only LOW FAN The unit will operate in the low fan mode only OFF Fan based on settings of dip switches 1 and 2 No Heat No Cool LOW COOL The unit will operate in the cooling mode along with the low fan operation The unit will operate in the cooling HIGH COOL mode along with the high fan operation Additional Control Inputs The control inputs shown below provide additional unit control and features To access these control inputs and all DIP Switches the cabinet front must be removed Refer to Front Removal in the Disassembly Procedures section Furthermore to access all the control board user inputs as well as the unit e OOOOOOO STATUS LED
33. cover the test charge evacuate the system and recharge with clean refrigerant Brazing Important Note Brazing requires high temperatures Take precaution to protect against personal injury or property damage Satisfactory results require cleanliness experience and the use of proper material and equipment The connections to be brazed must be properly sized free of rough edges and clean The generally accepted materials are SIL FOS Alloy of 15 silver 80 copper 596 phosphorus is used without flux on copper to copper DO NOT USE FOR A COPPER TO STEEL CONNECTION Recommended heat is approximately 1400 F SILVER SOLDER Alloy of 3096 silver 3896 copper 3296 zinc is used with fluoride base flux on copper to steel brass to copper steel to steel brass to steel Recommended heat is approximately 1200 F PTAC SVU01A EN PTAC SVU01A EN e TRANE Refrigeration System Evacuation Important Note To prevent severe burns do not allow the sludge or oil to contact the skin Important Note Effective July 1 1992 Before opening any refrigerant system it is the responsibility of the service technician to capture the refrigerant for safe disposal This is the most important part of the entire service procedure The life and efficiency of the equipment is dependent upon the thoroughness exercised by the serviceman when evacuating air non condensables and moisture from the system Air in the sys
34. d form 4 Close the low side valve on the manifold and pinch off both process tubes Remove the manifold set crimp shut the open ends of the process tubes and braze 5 Recheck for refrigerant leaks Refrigerant Do not use a refrigerant other than that shown on the unit nameplate All precautionary measures recommended by the refrigerant manufacturers and suppliers should be observed Line Piercing Valves Line piercing valves may be used for diagnosis but are not suitable for evacuating or charging due to the minute holes pierced in the tubing Line piercing valves must not be left on the refrigerant system The connection between the valve and the refrigerant tubing is not hermetically sealed and will eventually leak Open Lines During any processing of the refrigeration system the lines should never be left open to atmosphere since water vapor will enter and add to the problem of proper evacuation Operating Test The final step in a successful repair is an accurate operating test Follow the Cooling and Heating Performance tests provided to make sure the product is again performing to design standards Important Note Never test operation without the unit in the wall sleeve A serious change in design specifications for air movement through the evaporator and condenser compartments causing the fan motor to over heat and the refrigeration system to become unbalanced will occur when the unit is not install
35. e PTAC unit is operating The remote fan will require a 24 VAC relay that will connect to the RF1 and RF2 terminals on the control board user inputs This relay can be purchased from any Trane Parts Center The actual remote fan is not supplied by Trane Refer to the Schematic Diagrams section for wiring details Vent Lever A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Vent Control The vent control allows fresh air to be drawn into the conditioned area This fresh air can provide ventilation when the blower is operating but it will increase the heating or cooling load and operating costs To obtain access to the vent control remove the cabinet front and locate the vent control lever on the left side of the chassis Push the vent control lever up to open the vent or down to close the vent The vent door will be closed and secured by a screw from the factory Hydronic Heat Installations To avoid the risk of freezing the steam or water coil during prolonged shut down periods the vent door must be left closed when the outdoor temperature might fall below freezing Air Discharge Grille The discharge grille can be adjusted to expel air at either a 15 or 40 angle Refer to th
36. e also included RS4200002 397 Service Equipment and Procedures To minimize refrigerant emissions while recovering the refrigerant use recycling equipment such as a Company recycle recovery system or equivalent Use equipment and methods which will pull the lowest possible system vacuum while recovering and condensing refrigerant Equipment capable of pulling a vacuum of less than 1 000 microns 1 0 mm of mercury is recommended Do not open the unit to atmosphere for service work until the refrigerant charge is fully removed recovered When leak testing with trace refrigerant and nitrogen use HCFC 22 R 22 rather than CFC 12 R 12 or any other fully halogenated refrigerant Be aware of any new leak test methods which may eliminate refrigerants as atrace gas Evacuation prior to charging should be done with a vacuum pump capable of pulling a vacuum of 1 000 microns 1 0 mm of mercury or less The unit should stand for 12 hours and the vacuum should not rise above 2 500 microns 2 6 mm of mercury A rise above 2 500 microns 2 5 mm of mercury indicates a leak test is required to locate and repair any leaks A leak test will be required on any repaired area Charge refrigerant into the machine only when it is determined that the machine does not leak or contain moisture Charge refrigerant into the machine by weight A proper charge is required for efficient machine operation When charging is complete purge or drain charging
37. e diagram below to alter the airflow angle Dishcharge Grille Orientation Options ffs Z 15 Discharge 40 Discharge Angle Angle 17 e TRANE Unit Operation Use the following procedure to Airgrille change the angle of the discharge air flow 1 Remove the front cabinet 2 Position the front cabinetso that the backside is accessible 3 Remove the four screws which secure the discharge air grille to the cabinet front 4 Rotate the grille 180 end for end 5 Reinstall the screws securing the discharge air grille to the cabinet front Reinstall the cabinet front on the unit 18 PTAC SVU01A EN A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury PTAC SVU01A EN Maintenance e TRANE Chassis The chassis must be cleaned every four months or more often as the atmospheric conditions require Use pressure water and detergent to clean the basepan center partition and coils The use of harsh cleaning materials may cause a deterioration of the coil fins or endplates Do not use a high pressure cleaner as it could cause severe damage to the PTAC fins and coils A hose is okay to use to clean the coils but make sure to cover the control wit
38. e wiring from the control board and not the connectors if the board is being replaced If a PTAC device fan motor compressor is being replaced the control wiring can be disconnected from the actual connectors in the wiring access cover 6 Remove the two screws mounting the control to the PTAC The screws are located at the bottom of the control board securing the black panel to the PTAC The control board has now been removed Power Cord Removal 1 Remove the front cabinet 2 Remove the escutcheon control knobs and control panel 3 Remove three screws as shown below as well as the control board wiring to remove the control box 4 Once inside the control box remove the power cord strain relief and disconnect the power cord from the terminal block Capacitor Removal 1 Remove the front cabinet 2 Remove the escutcheon control knobs control panel cover and disconnect the wiring to the control board 3 Remove the control box Refer to the disassembly of the power cord for instructions on removing the control box 4 Remove the screw securing the capacitor to the partition panel A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury PTAC SVU01A EN Heater
39. ed resistor will not return to infinity It will still read the resistance of the resistor b Shorted indicator swings to zero and stops there replace c Open no reading replace Start capacitor would read resistor resistance 3 Testing for ohms between either capacitor terminal and the capacitor body must show infinite ohms 29 e TRANE A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury 30 Component Tests Capacitance Check Using a hookup as shown below take the amperage and voltage readings and use them in the formula below the diagram A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury 15 Amp Fuse Capacitor Testing Capacitance Capacitance MFD 2650 X Amperage Voltage If the value obtained is not within 1096 of the rating printed on the capacitor replace Overloads 1 With no power to the unit remove the overload lead from the compressor terminal 2 Using an ohmmeter Test conti
40. ed by the following Dead spots behind doors in corners or under cabinets hot or cold drafts from air ducts radiant heat from the sun appliances fireplaces concealed pipes chimneys unheated uncooled areas behind the thermostat such as outside walls Consult the instruction sheet packaged with the thermostat for further details on mounting and operation PTAC SVUO1A EN Unit Operation e TRANE A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Thermostat HEAT OFF COOL Switch OFF cooling and heating functions are defeated HEAT the selected room temperature is maintained by cycling either in the heat pump mode or electric heat A PTHD unit is switched from the heat pump mode to electric heat when the outdoor air temperature is below 20 F approximately or when the heat pump cannot keep up with the heating load and a two stage thermostat is used COOL the selected room temperature is maintained by cycling the air conditioner Thermostat Fan Switch AUTO the fan cycles with the compressor or electric heat ON The fan runs continuously regardless of any other settings The following figures show wiring schematics for heat pump and straight cool units w
41. ed in the wall sleeve PTAC SVU01A EN A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury PTAC SVUO1A EN e TRANE Refrigeration System Cooling Performance Test Thermometers The following precautions are necessary in observing the thermometer readings in the cooling performance test 1 Use two accurately calibrated refrigeration type thermometers or a thermocouple potentiometer 2 Thermometers are affected by body heat or changes in air flow Therefore the thermometers must be secured in proper locations with masking tape wire or other applicable retainers w Readings should be observed without touching or moving the thermometers Sling Psychrometer The sling psychrometer is used to obtain the wet bulb temperature in determining the percent relative humidity Place Discharge Air Thermostat Here SS Place Inlet Air SS Thermostat Here Center in Grille To obtain the wet bulb operate the sling psychrometer as follows Saturate the wick only once during procedure of obtaining wet bulb readings with clean water slightly below room temperature Psychrometer reading should be acquired five to six feet in front of the unit and approximately fou
42. ed to the product to assist the service department in identifying any given product It is extremely important when looking up service repair parts in the parts list or when requesting service information that the manufacturing model and serial numbers be used to properly identify the product Chassis Model Number Breakdown PT ED 099 1 G A A 12 345678 9 10 11 Digits 1 2 Packaged Terminal Air Conditioner Digit 3 Unit Type E Air Conditioner H Heat Pump Digit 4 Development Sequence D Fourth Development Digits 5 6 7 Unit Cooling Capacity 070 7 000 Btuh 090 9 000 Btuh 120 12 000 Btuh 150 15 000 Btuh Digit 8 Main Power Supply 1 230 208 60 1 2 265 60 1 4 115 60 1 Digit 9 Electric Heating Capacity W Hydronic Ships with no electric heat and no front cabinet D 2 0 kW G 3 5 kW 208 230V G 3 7 kW 265V J 5 0 kW 090 120 150 Only Digit 10 Design Sequence Digit 11 Miscellaneous A Standard C Corrosion Resistant Unit D Condensate Disposal Pump e TRANE General Information Important Information Pride and workmanship go into every product to provide our customers with quality products It is possible however that during its lifetime a product may require service Products should be serviced only by a qualified service technician who is familiar with the safety procedures required in the repair and who is equipped with the proper tools pa
43. emperature conditioning range This feature could potentially save on property owners energy costs by limiting the cooling temperature in the summer and the heating temperature in the winter There are a number of different temperature combinations available Active Defrost PTHDs only The Trane PTAC has an active defrosting system that will remove any ice build up on the outdoor coil that may occur during the heat pump cycle e TRANE General Information Unit Accessories This unit is designed for through the wall installation in new or existing buildings To complete the installation of this PTAC an insulated wall sleeve and an outdoor grille either the stamped aluminum grille or the architectural grille are required The chassis and the cabinet front are shipped in one carton Optional Accessories are shown in the following table Model Number Description Model Number Description AAGSP Architectural Aluminum Grilles Special Color HSK01 Hydronic Steam Heat Kit 230 208V AAGAL Architectural Aluminum Grille Anodized finish HSK02 Hydronic Steam Heat Kit 265V AAGDB Architectural Aluminum Grille Dark Bronze HSK04 Hydronic Steam Heat Kit 115V AAGSD Architectural Aluminum Grille Soft Dove HWIREK Hard Wire Kit AUXWIRE Wire Harness Kit HWK04 Hydronic Water Heat Kit 115V SAGO1 Stamped Aluminum Grilles Single Pack HWK02 Hydronic
44. eral Information e TRANE Random Restart Function This function allows for the random restart of the Trane PTAC units in a building in the event of a power ourage The restart delay will reduce the initial inrush current from the building to help prevent a second power outage due to too much current draw The random restart will occur every 0 5 seconds for 1 minute after the 3 minute compressor off delay Door Switch Occupancy Sensor The Trane PTAC will be capable of accommodating a field installed door switch and Occupancy sensor to operate the energy management feature For additional information refer to the Unit Operation section Remote Thermostat Zone Sensor Control The Trane PTAC is equipped with the ability to be controlled by a remote thermostat or Zone Sensor The Thermostats offered in Trane s internal ordering system will all work properly with the Trane PTAC Remote Fan Control The Trane PTAC has the ability to control a remote fan In previous designs the PTAC Duct Kit was used to supply conditioned air to other rooms Whenever the Trane PTAC s indoor fan activates it will activate the remote fan The remote fan is not supplied by Trane nor is it offered at any Trane Parts Centers The relay which controls the remote fan is not supplied by Trane but can be purchased at any Trane Parts Center Temperature Limiting The Trane PTAC has the ability to electronically limit the PTAC s t
45. h a blanket or plastic bag to prevent it from getting wet Corrision Resistant units operating in harsh atmospheric conditions must be removed from the sleeve and cleaned every 3 months in the same manner as above Compressor Fan Motor The compressor and fan motor are hermetically sealed permanently lubricated and require no additional oiling Cabinet Front The cabinet front and discharge air grille can be cleaned with a mild soap or detergent Under no circumstances should hydrocarbon based cleaners e g acetone benzene naphtha gasoline etc be used to clean the front cabinet or air grilles Use care when cleaning the control area Do not use an excessively wet cleaning cloth Intake Air Filter The intake air filter is constructed of durable polypropylene The air intake filter slides into the top of the cabinet front and can be easily removed by pulling up on the tabs provided on the top of the filter Before cleaning the intake filter turn the unit off by setting the mode switch to the OFF position The filter should be rinsed with clean water as needed Filter Access i TM ill il l Vent Filter The vent door filter is also made of polypropylene Before cleaning the vent filter disconnect power to the unit by unplugging the power cord at the wall outlet or subbase or disconnect power at the fuse box or circuit breaker If unit is operated with vent door closed the vent filter d
46. inated 5 If the vacuum pump is working properly close the valve to the vacuum thermocouple gauge and open the high and low side valves or the high vacuum manifold set With the valve on the charging cylinder closed open the manifold valve to the cylinder 6 Evacuate the system to at least 29 inches gauge before opening valve to thermocouple vacuum gauge 7 Continue to evacuate to a minimum of 250 microns Close valve pump and watch rate of rise If vacuum does not rise above 1500 microns in three minutes system can be considered properly evacuated 8 If thermocouple vacuum gauge continues to rise and levels off at about 5000 microns moisture and non condensables are still present If gauge continues to rise a leak is present Repair and re evacuate 9 Close valve to thermocouple vacuum gauge and vacuum pump Shut off pump and prepare to charge 23 e TRANE 24 Refrigeration System Charging Charge the system with the exact amount of refrigerant Refer to the unit nameplate for the correct refrigerant charge An inaccurately charged system will cause future problems 1 When using an ambient compensated calibrated charging cylinder allow liquid refrigerant only to enter the high side 2 After the system will take all it will take close the valve on the high side of the manifold 3 Start the system and charge the balance of the refrigerant though the low side Do not charge in a liqui
47. ith electric heat respectively Remote hydronic heat installations should be wired similar as for a straight cooling unit continued on next page Wiring Schematic for Remote Heat Pump c Gi 9 p ET E GL wa CONTROL BOARD CONNECTIONS THERMOSTAT CONNECTIONS Wiring Schematic for Straight Cool Unit c 3 o ek wy at D CONTROL BOARD CONNECTIONS 5 THERMOSTAT CONNECTIONS 15 e TRANE 16 Unit Operation thermostat section cont NOTE If the thermostat being used to control the Trane PTAC has connections available for GL and GH Fan High and Fan Low the wiring may be done in that manner If not only one or the other may be used Note 1 For heat pump operation a room thermostat with an O heating changeover terminal is required This will mean that some auto changeover thermostats cannot be used as many of them either do not have an O terminal or else energize the O terminal continuously when in the auto position Zone Temperature Sensing Control functions can remain at the unit or at the zone sensor The Zone Temperature Sensing feature is a unique feature in that it is capable of providing accurate sensing of room temperature from a central location separate from the unit Depending on the DIP Switch settings the Trane Zone Sensor can sense room te
48. me other reason The serviceman must be familiar with the operational characteristics of the product and should not jump to conclusions Temperature Actuated Drain Valve PTHP Only The Trane PTHP will be equipped with a temperature actuated drain valve located in the base pan As the outdoor ambient decreases to 55 F the drain valve will begin to open The valve will be completely open when the outdoor ambient temperature falls to 50 F PTAC SVUO1A EN Important Note To prevent death personal injury or property damage due to electrical shock only qualified service personnel are authorized to use the diagnostic box or this procedure Introduction The Trane PTAC is equipped with a self diagnostic program that will notify the owner when an internal problem has occurred The LED is located on the control board itself and is covered by the low voltage access cover Following is a chart detailing the diagnostic fail codes ON Normal OFF No power failed board Fault Codes 1 Compressor Failure 2 Blown Fuse 3 Mode Switch 4 Setpoint Switch 5 Incorrect Thermostat Wiring 6 Indoor Air Thermistor 7 Indoor Coil Thermistor 8 Outdoor Air Thermistor PTHP Only 9 Outdoor Coil Thermistor PTHP Only LED Flash Rate 0 25 sec ON per flash 0 25 sec OFF between flashes 2 00 sec OFF between codes Unit Preparation 1 Grasp the cabinet front as shown PTAC SVUO1A EN e TRANE Control Board
49. mits the lowest temperature that can be obtained in cooling and the highest temperature that can be obtained on heating Refer to the table below for settings Setpoint Limiting Mode F Cooling Heating SW3 SW4 Minimum Maximum Minimum Maximum OFF OFF 50 90 50 90 OFF ON 55 90 50 85 ON OFF 60 90 50 80 ON ON 65 90 50 75 Control Location Switches The control location switches are used to indicate where the unit will read the mode setpoint and temperature inputs Review the switch settings below and configure appropriately Below is a table detailing the settings for switches 5 and 6 For more information on operating the PTAC with a remote thermostat or Zone Sensor refer to the Remote Thermostat Zone Sensor Operation subsection in this section SW5 SW6 Mode Setpoint Temperature OFF OFF Unit Unit Unit OFF ON Zone Sensor Zone Sensor Zone Sensor ON OFF Zone Sensor Zone Sensor Unit ON ON T stat T stat T stat Unit Type Switch The Unit type is determined by the The Unit Type switch dip switch 7 tells the PTAC control what type of unit it is controlling It is very important that this switch is in the correct position position of this switch as follows OFF PTED ON PTHD These switches will be set in the factory to properly indicate what type of unit is in operation 13 e TRANE 14 Unit Operation Control Board User Inpu
50. mp N Note The wire size of the test cord must equal the line size and the fuses in the test line must be of the proper size and type 2 Connect a good capacitor of the right MFD and voltage rating into the circuit as shown 3 Carefully apply line voltage a If the compressor starts and continues run the cause for failure is somewhere else in the system b If the motor fails to start replace Since all single phase compressors are of the permanent split capacitor design the high and low side pressure must be approximately equal or the low torque compressor may not start 31 e TRANE A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury 32 Component Tests Indoor Coil Thermistor with Power Off 1 Remove the Indoor Coil Thermistor leads from the circuit board 2 Check the resistance of the Indoor Coil Thermistor against the table on the next page The leads of the ohm meter will need to contact the ends of the thermistors that connect to the board 3 Replace the Indoor Coil Thermistor if it does not test as above Outdoor Coil Thermistor Switchover Thermostat With Power Off 1 Remove the outdoor coil thermistor leads from the circuit board
51. mperatures from a central location and at the same time control the unit s mode from that central location Setpoint limiting the fan cycle switches the energy management features and front desk control will all remain active unlike using a remote thermostat Refer to the Schematic Diagrams section for wiring information Trane Zone Sensor CEE amp mw NOTE Freeze protection temperatures will be sensed by the Zone Temperature Sensor and not at the PTAC unit The zone temperature sensor is connected to the unit using a four pin low voltage connector as shown in the Schematic Diagrams section Also Refer to the Installation Instructions supplied with the Zone Temperature Sensor kit for further information PTAC SVU01A EN Front Desk Control FD1 FD2 Inputs The FD1 and FD2 terminals provide control inputs for a front desk switch Shorting across these two terminals will disable unit operation The only control function which will remain active when these terminals are shorted is freeze protection Depending on the Fan Cycle DIP Switch settings the indoor fan can operate when the control is in Front Desk mode Any switch which will produce a short circuit across these two terminals and when closed have less than 200 ohms of contact resistance can be used as a front desk switch Refer to the Schematic Diagrams section for instructions on Front Desk Control wiring Important Note Do not apply 24VAC across The
52. ng from installation operation routine maintenance or major service on this equipment Always act in a responsible manner to conserve refrigerants for continued usage even when acceptable alternatives are available Recover and Recycle Refrigerants Refrigerant used in centrifugal water chillers should be recovered and or recycled for reuse reprocessed reclaimed or properly disposed of whenever it is removed from the equipment Never release to atmosphere Always determine recycle or reclaim requirements of the refrigerant before beginning recovery procedure Obtain a chemical analysis of the refrigerant if necessary Questions about recovered refrigerant and acceptable refrigerant quality standards are addressed in ARI Standard 700 Refrigerant Handling and Safety Consult manufacturer s Material Safety Data Sheets MSDS on refrigerants being handled to understand health safety storage handling and disposal requirements Use approved containment vessels and refer to appropriate safety standards Comply with all applicable transportation standards when shipping refrigerant containers General Information Literature Change History PTEC M 1 September 1997 Original issue of manual specifically intended for use by experienced service technicians Provides operation and maintenance procedures for PTEC and PTHC units of C and later designs Unit specifications performance data and typical wiring diagram s ar
53. ng of the hermetically sealed refrigeration system should not be performed in the home The unit must be taken to a well equipped shop where special equipment for evacuating dehydrating charging and testing is available The following equipment is necessary Equipment to use dry nitrogen of no more than 0 0012 grains of moisture Vacuum pump capable of evacuating to a minimum of 50 microns Micron gauge to check vacuum Refrigerant charging cylinder accurate to within 1 4 oz Electronic leak detector Electrical equipment to test compressors capacitors voltage relays and overload protectors Volt meter ammeter and watt meter Silver soldering and brazing equipment Pinch off tools in to 5 8 in Thermocouple tester PTAC SVUO1A EN Refrigeration System Refrigeration Sealed System Heat Pump Air Conditioning Model MMM SS HDD DEED GUDD Dm LLL III Evaporator Reversing Valve ETHER O T Loch nennen dee PTAC SVU01A EN 21 e TRANE 22 Refrigeration System Dehydrating and Evacuating Refrigeration System A rather popular misconception exists that since air conditioners normally operate with a refrigerant temperature above 32 F moisture in the system is harmless Nothing could be further from the truth Oxygen from moisture plus normal compressor and motor heat reacts chemically with the refrigerant and oil to form corrosive hydrochloric
54. nuity between terminals of the overload If not continuous the overload is open replace the overload Compressor Windings Important Note To prevent death personal injury or property damage due to electrical shock do not connect electrical poser to this unit or to the compressor if the compressor terminal cover has been removed or is not firmly in place If the test indicates shorted grounded or open windings see procedure for the next steps to be taken Resistance Test 1 With no power remove the leads from the compressor terminals 2 Touch the leads of an ohmmeter to terminals C S start windings and C R run winding If either winding does not test continuous replace the compressor PTAC SVU01A EN Component Tests e TRANE Compressor Ground Test Ohmmeter Compressor Top Outlet 4 Terminals D Accumulator Test Cord Connections Line N Compressor Accumulator Capacitor PTAC SVU01A EN Ground Test With no power and compressor leads removed Set an ohmmeter on its highest scale Touch one lead to the compressor body clean point of contact as a good connection is a must and the other probe to each compressor terminal in turn If a reading is obtained then the compressor is grounded and must be replaced If the voltage capacitor overload and motor windings test fail to Show the cause for failure 1 With no power wire a test cord to line voltage Line a
55. oes not need to be cleaned Corrosion Resistant Models Corrosion resistant models subjected to harsh seacoast environments must be removed from the wall sleeve and completely flushed with clean water at least four times a year The basepan center partition condenser end plates and the condenser itself should be sprayed with clean fresh water Leaving the unit in the sleeve and simply spraying the outdoor grille is not sufficient 19 e TRANE 20 Refrigeration System Refrigeration System Service Important Note Brazing requires high temperatures Take precaution to protect against personal injury or property damage To avoid the risk of fire the refrigeration system must be kept free from contamination due to the presence of air Follow these instructions exactly To avoid the risk of burns property damage personal injury or death do not plug in this product or apply power to the compressor if the compressor terminal cover has been removed or is not firmly in place Important Note Effective July 1 1992 before opening any refrigerant system it is the responsibility of the service technician to capture the refrigerant for safe disposal Refer to the cooling and heater performance charts in this section for capacity test procedure A step by step procedure for determining source of trouble suggested method and normal values are provided in the Diagnosis Charts Service operations requiring openi
56. onal OFF mode of the fan 3 Setpoint Limit Switch 1 Setpoint limiting mode _OFF 4 Setpoint Limit Switch 2 Setpoint limiting mode _OFF 5 Control Location Switch 1 Determines the location OFF of the mode setpoint and temperature inputs 6 Control Location Switch 2 Determines the location OFF of the mode setpoint and temperature inputs 7 Unit Type Determines the type of ON PTHD unit PTAC or PTHP OFF PTED PTAC SVU01A EN PTAC SVUO1A EN e TRANE Unit Operation Fan Cycle Switch Refer to the table below for switch The fan cycle switches set the settings and unit operation operational mode of the indoor fan SW1 Sw2 Indoor Fan Cycle Mode OFF OFF Indoor Fan will Cycle ON OFF The fan will not run when the unit mode switch is in the OFF position or the Front Desk Control is enabled OFF ON Indoor Fan will run continuously based on the selected fan speed The fan will not run when the unit mode switch is in the OFF position or the Front Desk Control is enabled ON OFF Indoor Fan will run continuously based on the selected fan speed The fan will run in high speed when the unit mode switch is in the OFF position The fan will not run when the Front Desk Control is enabled ON ON Indoor Fan will run continuously based on the selected fan speed The fan will run in high speed when the unit mode switch is in the OFF position or the Front Desk Control is enabled Setpoint Limiting Switches Setpoint limiting li
57. ower cord disassembly for instructions on removing the control box 4 Remove the heater discharge deck assembly Refer to the Heater disassembly 5 Remove the Indoor Coil Thermistor from the evaporator suction tube Refer to the Indoor Coil Thermistor disassembly instructions Remove the indoor air thermistor from the evaporator coil 6 Recapture the system refrigerant 7 Remove 2 screws from both the left and right side of the unit securing the evaporator to the mid partition panel 8 Braze the tubing connecting to the evaporator and remove the evaporator 9 Insertthe new evaporator and properly braze the tubing to create a perfectly sealed system 10 Replace heater discharge deck assembly 11 Replace control box assembly 12 Recharge the system with the correct amount of refrigerant Condenser Removal Remove the condenser shroud by removing two screws on each side of the shroud securing it to the condenser two screws total on the bottom portion of the shroud securing it to the basepan and four total screws securing the shroud to the partition bracket at the top of the unit 2 Remove one screw on the right side of the unit if you are looking at the back of the PTAC toward the bottom of the basepan 3 Capture the refrigerant in the system 4 Braze the tubing connecting to the condenser and remove the condenser 5 Insert the new condenser braze the tubing to create a sealed sy
58. p securing the outdoor fan to the fan shaft 5 Remove the fan motor by removing the two screws securing it to the fan motor bracket 6 Disconnect the fan motor wiring from the control by removing the wiring access cover on the partition panel above the control panel cover PTAC SVU01A EN Cooling Wattage Air Conditioners Model PTEDO701 PTEDO702 Performance Charts e TRANE PTEDO901 PTED0902 PTED1201 PTED1202 PTED1501 PTED1502 Temperature Outdoor Air Return Air Total Wattage Total Wattage Total Wattage Total Wattage Dry Bulb Wet Bulb Input Input Input Input L1 L1 Min Max Min Max Min Max Min Max Rating Wattage 560 625 785 810 1045 1090 1045 1090 85 590 715 815 900 1050 1180 1080 1190 80 585 720 820 905 1055 1180 1090 1205 75 585 720 820 905 1060 1180 1100 1215 100 70 585 720 820 905 1055 1180 1100 1220 65 590 715 815 900 1050 1180 1095 1215 60 580 710 805 890 1045 1175 1090 1205 55 570 700 795 880 1030 1160 1070 1190 85 560 685 770 855 1000 1125 1025 1140 80 565 690 775 860 1005 1130 1035 1150 75 565 695 780 865 1005 1135 1035 1160 95 70 565 690 775 860 1005 1130 1045 1165 65 560 690 770 855 1000 1125 1040 1160 60 555 680 765 850 990 1120 1030 1150 55 540 670 765 835 980 1105 1020 1135 85 540 660 730 815 950 1070 965 1085 80 540 665 735 820 950 1075 980 1095 75 540 665 735 820 955 1080 990 1105 90 70 540 665 735 820 950 1075 990 1105 65 535 660 730 815 95
59. r feet off the floor Note Direct discharge airflow away from the sling psychrometer The cooling performance test should not be employed when outside temperatures are 20 below that of the room Best results are obtained when the test is conducted under peak load conditions The air conditioner must operate at least 20 minutes on the High Cool position before testing 25 e TRANE 26 Refrigeration System Cooling Performance Test The following temperature must be recorded for the cooling performance test a Dry bulb temperature of return air at conditioner Locate thermometer as illustrated on previous page b Dry bulb temperature of discharge air Thermometer has to be located as illustrated on previous page c The dry bulb thermometer temperature on the sling psychrometer should be plus or minus 1 F within reading obtained on thermometer in the return air Check wet bulb temperature on sling psychrometer and record same d After the wet bulb temperature dry bulb temperature and return air temperature have been recorded proceed to calculate the temperature difference as follows e Subtract temperature obtained in Step B from temperature obtained in Step A The remainder temperature is used to calculate from the Cooling Change of Temperature in Diagnostic Charts Example Assume a PTHD1501 unit is under test and the temperature readings indicated below were obtained 1 Return air dr
60. rts testing instruments and the appropriate service manual A WARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has properly trained in live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury PTAC SVU01A EN Unit Features The Trane PTAC has many features some of which are different than those found on conventional PTAC units The servicer must be familiar with these features in order to properly service the unit Automatic 3 minute Compressor Lockout After the compressor cycles off it will not restart for three minutes This feature prevents the compressor from short cycling and extends the overall life Automatic 2nd Stage Electric heat PTHD s only If the room temperature falls to 2 5 F below the set point temperature the reverse cycle heat is shut off and the electric heat is turned on Indoor Room Freeze Protection If the unit is not in any heat mode and the zone temperature drops below 40 F theunit will go into high heat mode When the zone temperature reaches 45 F the unit will go back into the mode it was in prior to entering the Freeze Protection Mode PTAC SVUO1A EN Gen
61. stem and recharge the system Indoor Fan and Motor 1 Remove the chassis from the wall 2 Remove the front cabinet 3 Remove the heater discharge deck assembly Refer to the heater disassembly instructions 37 e TRANE 38 Disassembly Procedures 4 Remove the escutcheon control knobs control panel and control box assemblies Remember to disconnect the control wiring Refer to the power cord disassembly for instructions on disassembling the control box 5 Remove the indoor fan motor bracket screws 3 as shown 6 Remove the set screw you will need a long allen wrench securing the indoor fan to the motor shaft and remove the indoor fan Outdoor Fan and Motor Follow the directions for removing the condenser except don t braze or remove the tubing connecting to the condenser Capturing the system refrigerant is also not necessary 2 Remove the screw on the right side of the unit If you are looking at the back of the PTAC toward the bottom of the PTAC near the lip of the basepan 3 Lift the condenser up and over the lip of the basepan and move just enough to gain access to the outdoor fan and motor Be careful not to damage the bottom of the condenser by sitting it on the lip of the basepan Also use caution when bending the condenser to gain access to the outdoor fan and motor The tubing is very fragile and must be treated with care 4 With a pair of pliers remove the clam
62. tem causes high condensing temperature and pressure resulting in increased power input and reduced performance Moisture chemically reacts with the refrigerant and oil to form corrosive hydrofluoric and hydrochloric acids These attack motor windings and parts causing breakdown The equipment required to thoroughly evacuate the system is a high vacuum pump capable of producing a vacuum equivalent to 50 microns and a thermocouple vacuum gauge to give a true reading of the vacuum in the system Note Never use the system compressor as a vacuum pump or run when under a high vacuum Motor damage could occur 1 Connect the vacuum pump vacuum tight manifold set with high vacuum hoses thermo couple vacuum gauge and charging cylinder 2 Connect the low side line to the process tube of the compressor 3 Connect the high side line to the process tube of liquid line strainer Note If either process tube is not long enough to receive the compression or flare fitting and still leave room for a pinch off swag the tube and braze in an extra length of tubing 4 Start the vacuum pump and open shut off valve to the high vacuum gauge manifold only After the compound gauge low side has dropped to approximately 29 inches of vacuum open the valve to the vacuum thermocouple gauge See that the vacuum pump will bank off to a minimum of 50 microns A high vacuum pump can only produce a good vacuum if its oil is not contam
63. temperature Total watts input measured by wattmeter Calculating procedure 1 Locate temperature obtained in Step A of cooling performance test in first column of Heating Wattage Chart 2 Locate in second column the inside coil inlet dry bulb temperature 3 The total watts input should come between minimum and maximum values indicated for each model Example Assume that a PTHD1501 is under test Proceed as follows and observe test readings as simultaneously as possible 1 Outside coil inlet dry bulb temperature readings as described above 45 F 2 Check watts input 1370 W 3 Inside coil inlet dry bulb temperature reading as de scribed in Step B 75 F Read to the right from the 75 inside coil inlet dry bulb value in the column and note the minimum and maximum wattage of 1335 1470 Since the wattage reading 1370 obtained in the test is within the prescribed range the total power input in watts is considered to be normal PTAC SVU01A EN PTAC SVU01A EN e TRANE Refrigeration System Capacitor Check Resistance Check 1 Discharge capacitor and remove wire leads A WARNING Discharge capacitor through a 20 to 30 ohm resistor before handling Capacitor Testing Capacitor Resistance 2 Set an ohmmeter on its highest ohm scale and connect the leads to the capacitor a Good Condition indicator swings to zero and slowly returns to infinity Start capacitor with ble
64. the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Disassembly Procedures Front Removal 1 Grasp the cabinet front as shown 2 Pull the bottom of the cabinet front away from the chassis until the retaining clips disengage 3 Lift the cabinet front off the chassis Reverse this procedure to reinstall the cabinet front Chassis 1 Disconnect power to the unit 2 Remove the front cover 3 Remove three screws on each side of the chassis securing the chassis to the wall sleeve 36 Disassembly Procedures 4 Carefully slide chassis out of wall sleeve placing on floor or protected cart Escutcheon Control knobs Control Panel Control board removal 1 Remove the front cabinet 2 Remove the control escutcheon panel by lifting the bottom portion and pulling the tabs away from the top portion 3 Remove the control knobs by gently pulling straight up and away from the control board 4 Remove 2 screws as shown below to gain access into the control panel cover Grip the cover between the two screws and gently pull up on the cover to remove The control panel has now been removed D 5 Remove the wiring access cover by removing the four screws securing it to the partition panel above the control panel This will expose the wiring connectors that connect all the PTAC devices to the control board Remove th
65. ts The following diagram shows the low voltage control inputs available on the Trane PTAC Front Desk Control Zone Sensing Remote Thermostat and Door Switch Occupancy Sensing as well as additional features are all controlled from this location Remote Thermostat Operation The GL GH O W Y R and C To operate this unit with a remote thermostat DIP Switches 5 and 6 must be in the ON position When in the remote thermostat mode the unit will only respond to the thermostat inputs terminal strip positions GL GH W Y and O shown The unit mode switch and on board thermostat used for standard operation will be automatically overridden The Room temperature will be sensed from the terminals provide control inputs for remote thermostat a remote wall mounted thermostat Control Board User Inputs Q OOOOOO0 STATUS FAULT DIP LED CODES SWITCHES CN ZONE CN EXT2 CN EXT1 OOOO OOOOOOOO OOOOOOO ooooooo 1234567 A MODE CSP GND ZONE GL GH OW Y R C OC1 OCH DR1 DR2 RF1 RF2 FD1 FD2 User Inputs Input Function CN ZONE Mode Heating or Cooling Mode CSP Consumer Setpoint GND Electrical ground Zone Zone Temperature CN EXT2 OC1 Occupency Sensor Input1 OC2 Occupency Sensor Input2 DR1 Door Switch Input1 DR2 Door Switch Input2 RF1 Remote Fan Input1 RF2 Remote Fan Input2
66. y bulb temperature 80 F Step A 2 Discharge air dry bulb temperature 69 F Step B 3 Return air wet and dry bulb temperature as recorded in Step C Dry Bulb 80 F Wet Bulb 75 F 4 In left hand column of Cooling Capacity Charge headed Dry Bulb find the 80 value 5 In column headed Wet Bulb find the 75 value and find the value 8 13 in the cooling range column under the Model PTHD1501 This data shows that the temperature of the air passing through the cooling coil is reduced at least 8 F but not more than 13 F This example unit is operating normally for the existing conditions For the example unit under test the temperature difference was 11 F 80 F return air minimum 69 F discharge air Since the value is within the listed cooling range 8 13 this unit is considered to be operating normally Important Note Never test operation without the unit in the wall sleeve A serious change in design specifications for air movement through the evaporator and condenser compartments causing the fan motor to over heat and the refrigeration system to become unbalanced will occur when the unit is not installed in the wall sleeve A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death

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