Trane Technologies ComfortLink II 4TWV0024A1000C Service Facts
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Trane Technologies ComfortLink II 4TWV0024A1000C Service Facts

Variable speed heat pumps and air conditioners
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Service Facts
Variable Speed ComfortLink
Heat Pumps and Air Conditioners
4TWV0024A1000C
4TWV0036A1000C
4TWV0048A1000C
4TWV0060A1000C
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product
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
June 2020
4TTV0024A1000C
4TTV0036B1000C
4TTV0048A1000C
4TTV0060A1000C
4TTV0061A1000C
S S A A F F E E T T Y Y W W A A R R N N I I N N G G
4 4 T T - - V V 0 0 - - S S F F - - 1 1 Q Q - - E E N N
II
N N o o t t e e : : "Graphics in this document are for representation
only. Actual model may differ in appearance."

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Summary of Contents for Trane Technologies ComfortLink II 4TWV0024A1000C

  • Page 1 Service Facts Variable Speed ComfortLink Heat Pumps and Air Conditioners 4TWV0024A1000C 4TTV0024A1000C 4TWV0036A1000C 4TTV0036B1000C 4TWV0048A1000C 4TTV0048A1000C 4TWV0060A1000C 4TTV0060A1000C 4TTV0061A1000C N N o o t t e e : : “Graphics in this document are for representation only. Actual model may differ in appearance.” Scan to see help videos on this product...
  • Page 2 SAFETY SECTION — OUTDOOR C C A A U U T T I I O O N N I I m m p p o o r r t t a a n n t t — This document contains a wiring diagram and service information.
  • Page 3 S S A A F F E E T T Y Y S S E E C C T T I I O O N N — — O O U U T T D D O O O O R R WARNING CAUTION - HOT SURFACE 400 VOLTS...

  • Page 4: Product Specifications

    Product Specifications Heat Pump Models 4T-V0-SF-1Q-EN...
  • Page 5 P P r r o o d d u u c c t t S S p p e e c c i i f f i i c c a a t t i i o o n n s s Air Conditioner Models 4T-V0-SF-1Q-EN...
  • Page 6 P P r r o o d d u u c c t t S S p p e e c c i i f f i i c c a a t t i i o o n n s s Air Conditioner Models 4T-V0-SF-1Q-EN...

  • Page 7: Subcooling Charging In Cooling Between 55° F And 120° Od Ambient

    Subcooling Charging in Cooling between 55° F and 120° OD Ambient Trane has always recommended installing Trane 6. Run the system using the “ “ C C h h a a r r g g i i n n g g M M o o d d e e - - approved matched indoor and outdoor systems.

  • Page 8: Subcool Charging Correction Charts

    Subcool Charging Correction Charts Figure 1. Subcool Charging Corrections — 2.0 Ton 2.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE) Add 1° Add 2° Add 1° Use Design Subcooling 100 110 120 130 140 150 TOTAL REFRIGERANT LINE LENGTH (FEET) Figure 2.
  • Page 9 S S u u b b c c o o o o l l C C h h a a r r g g i i n n g g C C o o r r r r e e c c t t i i o o n n C C h h a a r r t t s s Weigh-In Method for Charging 4T-V0-SF-1Q-EN...
  • Page 10 Wiring — D157619P04 4T-V0-SF-1Q-EN...

  • Page 11: Integrated Variable Speed Control (Ivsc) Inputs/Outputs

    Integrated Variable Speed Control (IVSC) Inputs/ Outputs A A l l s s o o R R e e f f e e r r r r e e d d t t o o a a s s “ “ T T h h e e D D r r i i v v e e ” ” Electronic Expansion E xternal Outdoor Valve (EEV)

  • Page 12: Integrated Variable Speed Control Board Led Indicators

    Integrated Variable Speed Control Board LED Indicators The Status (Green) and High COMM (Amber) LEDs are Voltage to Condensor EXT.ODT located in the upper right Fan Motor LSOV COMM (not used) COMM region of the Control Board. STATUS STATUS PERSONALITY MODULE SHED LOAD T1 T2...

  • Page 13: Sequence Of Operation

    Sequence of Operation C C o o n n t t r r o o l l O O p p e e r r a a t t i i o o n n a a l l O O v v e e r r v v i i e e w w speed and hold steady for a minimum dwell period to ensure proper oil return.
  • Page 14 S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n direction the valve’s pilot pin will be set. Always follow The Defrost Mode will be terminated after the OD coil the red and blue color coding to ensure proper polarity.

  • Page 15: Defrost Control (Heat Pump Only)

    Defrost Control (Heat Pump only) D D e e m m a a n n d d D D e e f f r r o o s s t t C C D D A A N N a a v v i i g g a a t t i i o o n n t t o o F F o o r r c c e e d d D D e e f f r r o o s s t t The demand defrost control measures heat pump Figure 5.

  • Page 16: Compressor Dome Temperature

    SENSORS Compressor Dome Temperature This table shows the corresponding voltage, resistance and temperature readings for the Dome Temperature Sensor when measured across pins 1 and 10. The power source for the Dome Temperature Sensor is 3.2VDC. Figure 6. Dome Temperature Sensor Pin 1 &...

  • Page 17: Ambient Temperature Sensor (Ods)

    S S E E N N S S O O R R S S Ambient Temperature Sensor Figure 7. Ambient Temperature Sensor Pins 5 & 14 (Black) (ODS) Integrated Variable Speed Control Board These tables show the corresponding voltage, resistance and temperature readings for the Ambient, Temperature Sensor when measured across pins 5 &...
  • Page 18 S S E E N N S S O O R R S S Coil Suction and Liquid measured across pins 2 and 11 required for Coil Temperature Sensor is —50°F to 150°F. Temperature Sensor A working Coil Temperature Sensor is required for the following: •...
  • Page 19 S S E E N N S S O O R R S S Liquid Line Pressure Transducer Figure 11. Liquid Pressure Transducer Pins 16 (White) & 17 (Black) This table shows the corresponding voltage and pressure readings for the Liquid Line Pressure Transducer when measured across pins 16 and 17.

  • Page 20: Suction Line Pressure Transducer

    S S E E N N S S O O R R S S Suction Line Pressure Figure 12. Suction Pressure Transducer Pins 7 (White) & 8 (Black) Transducer This table shows the corresponding voltage and pressure readings for the Suction Line Pressure Transducer when measured across pins 7 and 8.

  • Page 21: Variable Speed Alert Codes

    Variable Speed Alert Codes 4T-V0-SF-1Q-EN...
  • Page 22 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 23 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 24 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 25 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 26 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 27 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 28 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 29 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 30 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 31 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 32 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 33 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...
  • Page 34 V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s 4T-V0-SF-1Q-EN...

  • Page 35: Refrigeration Circuits For Heating And Cooling

    Refrigeration Circuits for Heating and Cooling Figure 13. 2 Ton HP (024 Models) FIELD INSTALLED INTER-CONNECTING TUBING INDOOR OUTDOOR EEV GAS SECTION SECTION SENSOR SWITCHOVER VALVE 1/4 FLARE PRESSURE PRESSURE TRANSDUCER FIELD CONNECTIONS HPCO COIL COMPRESSOR OUTDOOR MUFFLER COIL INTERNALLY CHECKED 1/4 FLARE PRESSURE ELECTRONIC EXPANSION...
  • Page 36 R R e e f f r r i i g g e e r r a a t t i i o o n n C C i i r r c c u u i i t t s s f f o o r r H H e e a a t t i i n n g g a a n n d d C C o o o o l l i i n n g g Figure 15.
  • Page 37 R R e e f f r r i i g g e e r r a a t t i i o o n n C C i i r r c c u u i i t t s s f f o o r r H H e e a a t t i i n n g g a a n n d d C C o o o o l l i i n n g g Figure 17.
  • Page 38 R R e e f f r r i i g g e e r r a a t t i i o o n n C C i i r r c c u u i i t t s s f f o o r r H H e e a a t t i i n n g g a a n n d d C C o o o o l l i i n n g g Figure 19.
  • Page 39 R R e e f f r r i i g g e e r r a a t t i i o o n n C C i i r r c c u u i i t t s s f f o o r r H H e e a a t t i i n n g g a a n n d d C C o o o o l l i i n n g g Figure 21.

  • Page 40: Load Shedding

    Load Shedding E E x x t t e e r r n n a a l l S S h h u u t t d d o o w w n n Open contacts will disable compressor operation and closed contacts will enable compressor operation.

  • Page 41: Communication Loss

    Communication Loss No LEDs are lighting: Power Applied to Unit but no Status and Comm Comm LED Check and Record CDA Status - Powered/Not Powered Scan to see a video on the Power Off 2 min (need to wait to Communications completely bleed off voltage for Troubleshooting...

  • Page 42: Breaker Trip Procedure

    Breaker Trip Procedure Breaker Trip Procedure WARNING · Verify wiring · Verify sensor readings · Check breaker 400 VOLTS · Check breaker size ELECTRICAL HAZARD · Check for GFCI on circuit Scan to see a · Replace breaker if necessary Failure to follow this video on the warning could result in...

  • Page 43: Start Compressor

    Start Compressor Drive Current Failures Scan to see a video on the Compressor Troubleshooting Any Error 177 within 30 seconds of operation B reaker T rip O ccurs Inspect terminal connector to compressor for open circuits G o to B reaker T rip P rocedure WARNING W as a repair of...

  • Page 44: Compressor Verification: Parameters

    Compressor Verification: Parameters Compressor Verification: Parameters Scan to see a video on the Compressor Parameters In CDA menu under unit controls verify PM tonnage matches model number Does PM match model? Replace PM In CDA menu under unit controls verify that compressor size matches compressor model number (DRV COMP SIZE) WARNING...

  • Page 45: Run Drive Diagnostic Test

    Run Drive Diagnostic Test Run Drive Diagnostic Test Scan to see a video on Run Drive Diagnostics Drive Test: Test Response 1: Passed: No Fault Passed? No Fault Found Test Response 2: Test Response 4: Test Response 5: Test Response 3: Drive HW Cmpr Lead/Winding Compressor Rotor...

  • Page 46: Compressor Verification: Short

    Compressor Verification: Short Compressor Verification:Short WARNING Scan to see a video on Shorted Compressor 400 VOLTS Disconnect compressor wiring Windings ELECTRICAL HAZARD Failure to follow this harness from drive. warning could result in personal injury or death. WAIT TWO (2) MINUTES after disconnecting power prior to touching electrical components as they may...

  • Page 47: Compressor Verification: Open

    Compressor Verification: Open WARNING Compressor Verification: Open Scan to see a 400 VOLTS video on Open ELECTRICAL HAZARD Compressor Failure to follow this Windings warning could result in personal injury or death. WAIT TWO (2) MINUTES after disconnecting power prior to touching electrical components as they may hold a dangerous charge Disconnect compressor wire...

  • Page 48: Inverter Temperature

    Inverter Temperature Excessive Inverter Excessive Rectifier Excessive Rectifier Excessive Inverter Temperature Temperature Temperature De-rate Temperature De-rate Shutdown Shutdown WARNING 400 VOLTS ELECTRICAL HAZARD Check system condition: outdoor Failure to follow this temp sensor, suction temp, suction warning could result in personal injury or death.

  • Page 49: Electronic Expansion Valve (Eev) Troubleshooting Flowchart

    Electronic Expansion Valve (EEV) Troubleshooting Flowchart Using the CDA, verify the following: 1. SYSTEM STATUS is HEATING in the home screen. System is pumping 2. SOV position is HEAT and Scan to see a down in heat mode EEV position is greater than step 56 video trouble- shooting the EEV in the Monitor menu.

  • Page 50: Communicating Display Assembly

    Communicating Display Assembly NAVIGATION • To enter and exit Technician Menus, press the Up/Down buttons simultaneously for 5 seconds. • To return to the Home Screen, press the Up/Down buttons SYSTEM STATUS simultaneously for 5 seconds. • To return to the top level of any menu, press the Left/Right buttons XXXXXXXXXXXXXXXX simultaneously for 5 seconds.

  • Page 51: Technician Monitor Menu

    Technician Monitor Menu T T h h e e M M o o n n i i t t o o r r M M e e n n u u d d i i s s p p l l a a y y s s i i n n f f o o r r m m a a t t i i o o n n o o n n S S y y s s t t e e m m s s t t a a t t u u s s , , D D r r i i v v e e s s t t a a t t s s a a n n d d t t h h e e S S y y s s t t e e m m T T a a c c h h o o m m e e t t e e r r .
  • Page 52 T T e e c c h h n n i i c c i i a a n n M M o o n n i i t t o o r r M M e e n n u u Continued from previous page MONITOR MENU SYSTEM MENU...

  • Page 53: Technician Alert Menu

    Technician Alert Menu The Alert Menu displays active alerts. N N o o t t e e : : Clearing Alert History will also clear Active Alerts and will reset the Outdoor Control without the need to cycle power. MONITOR ACTIVE ALERTS ALERT HISTORY MENU...

  • Page 54: Technician Alert History Menu

    Technician Alert History Menu N N o o t t e e : : Clearing Alert History will also clear Active Alerts and will reset the Outdoor Control without the need to cycle power. ACTIVE CONFIG ALERT HISTORY ALERTS MENU Scan to see a video about the CDA Alert Menu...

  • Page 55: Technician Configuration Menu

    Technician Configuration Menu S S y y s s t t e e m m p p a a r r a a m m e e t t e e r r s s a a n n d d o o p p t t i i o o n n s s a a r r e e r r e e p p o o r r t t e e d d a a n n d d s s e e t t f f r r o o m m t t h h e e C C o o n n f f i i g g M M e e n n u u .

  • Page 56: Technician Control Menu

    Technician Control Menu Forced Defrost, EEV, LSOV, Evacuation, Run Drive and N N o o t t e e : : If system is in Lockout, Unit Tests are not Run Outdoor Fan tests are initiated and performed available. from the Technician Control Menu. Drive Test Notes CONFIG MONITOR...
  • Page 57 T T e e c c h h n n i i c c i i a a n n C C o o n n t t r r o o l l M M e e n n u u NOTES: Forced Defrost Continued from previous page 1.

  • Page 58: Tech Control - Charge/Check Charge Modes

    TECH CONTROL — Charge/Check Charge Modes Charge / Check Charge Notes Introduced with AOC Software Version 2, Fall of 2014. After initiating the Charging or Check Charge Mode from the comfort CONFIG MONITOR CONTROL MENU control, the OD unit CDA enters the Control Menu and the MENU MENU corresponding screen (ok to charge for the cooling test mode &...

  • Page 59: Sound Data

    Sound Data 4T-V0-SF-1Q-EN...
  • Page 60 S S o o u u n n d d D D a a t t a a 4T-V0-SF-1Q-EN...

  • Page 61: Pressure Curves

    Pressure Curves I I m m p p o o r r t t a a n n t t : : VARIABLE SPEED OUTDOOR UNITS REQUIRE THE INDOOR UNIT BE CONFIGURED FOR 400 CFM/TON Figure 22. 4TWV0024A TAM8C0B30V21 TAM8C0B30V21 Cooling with Electronic Expansion Valve Heating INDOOR ENTERING...
  • Page 62 P P r r e e s s s s u u r r e e C C u u r r v v e e s s Figure 23. 4TWV0036A TAM8C0C36V31 TAM8C0C36V31 Cooling with Electronic Expansion Valve Heating INDOOR ENTERING INDOOR ENTERING WET BULB CURVES DRY BULB CURVES...
  • Page 63 P P r r e e s s s s u u r r e e C C u u r r v v e e s s Figure 24. 4TWV0048A TAM8C0C48V41 TAM8C0C48V41 Cooling with Electronic Expansion Valve Heating INDOOR ENTERING INDOOR ENTERING WET BULB CURVES DRY BULB CURVES...
  • Page 64 P P r r e e s s s s u u r r e e C C u u r r v v e e s s Figure 25. 4TWV0060A TAM8C0C60V51 TAM8C0C60V51 Cooling with Electronic Expansion Valve Heating INDOOR ENTERING INDOOR ENTERING WET BULB CURVES DRY BULB CURVES...
  • Page 65 P P r r e e s s s s u u r r e e C C u u r r v v e e s s Figure 26. 4TTV0024A TAM8C0B 30V21 Cooling with Electronic Expa nsion Valve INDOOR ENTER ING WE T BULB CUR VES TOP TO BOTTO M 71, 67, 63 AND 59 DEG F.
  • Page 66 P P r r e e s s s s u u r r e e C C u u r r v v e e s s Figure 27. 4TTV0036B TAM8C0C36V31 Cooling with Electronic Expansion Valve INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F.
  • Page 67 P P r r e e s s s s u u r r e e C C u u r r v v e e s s Figure 28. 4TTV0048A TAM8C0C48V41 Cooling with Electronic E xpansion Valve INDOOR ENTER ING WE T BULB CUR VES TOP TO BOTTO M 71, 67, 63 AND 59 DEG F.
  • Page 68 P P r r e e s s s s u u r r e e C C u u r r v v e e s s Figure 29. 4TTV0060A TAM8C0C60V51 Cooling with Electronic Expa nsion Valve INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F.
  • Page 69 P P r r e e s s s s u u r r e e C C u u r r v v e e s s Figure 30. 4TTV0061A1 TAM8C0C60V51 Cooling with Electronic Expansion Valve INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F.

  • Page 70: Warranty Claim Process Integrated Variable Speed Control (Drive)

    Warranty Claim Process Integrated Variable Speed Control (Drive) W W h h e e n n a a t t e e c c h h n n i i c c i i a a n n c c a a l l l l s s f f o o r r p p r r e e - - a a u u t t h h o o r r i i z z a a t t i i o o n n Servicing Dealers must obtain a pre-authorization number from a Field Service Representative (FSR) or a f f r r o o m m t t h h e e j j o o b b s s i i t t e e : :...
  • Page 71 N N o o t t e e s s 4T-V0-SF-1Q-EN...
  • Page 72 Trane - by Trane Technologies (NYSE: TT), a global innovator - creates comfortable, energy efficient indoor environments for commercial and residential applications. For more information, please visit trane. com or tranetechnologies.com. The AHRI Certified mark indicates Trane U.S. Inc. participation in the AHRI Certification program. For verification of individual certified products, go to ahridirectory.

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