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Installer's Guide
TRANE Link Variable Speed Heat Pumps and Air
Conditioners
5TWV8X24A
5TWV8X36A
5TWV8X48A
5TWV8X60A
The Diagnostics Mobile App is available by scanning a QR
code above, the one located inside this unit or by searching for
the Trane or American Standard Diagnostics App in your App
Store ® . This system must include a A/T HUI2360A200U
thermostat and a TSYS2C60A2VVU system controller to
operate and is Link communicating only.
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.
March 2025
5TTV8X24A
5TTV8X36A
5TTV8X48A
5TTV8X60A
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
O O D D R R - - S S V V N N 0 0 0 0 4 4 A A - - E E N N
N N o o t t e e : : "Graphics in this document are for representation only.
Actual model may differ in appearance."
N N o o t t e e : : This unit is Link communicating only.
N N o o t t e e : : R-454B refrigerant is an "A2L" refrigerant meaning: A = non-
toxic, 2 = flammable, L = low burning velocity. The term "A2L"
is used throughout this document.
N N o o t t e e : : This unit requires software version 8.0 or later on the SC360
and UX360.
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Summary of Contents for Trane 5TWV8X24A
- Page 1 Trane or American Standard Diagnostics App in your App N N o o t t e e : : This unit requires software version 8.0 or later on the SC360 Store ®...
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Page 2: Safety Section
, , r r e e f f r r i i g g e e r r a a n n t t s s u u b b s s t t i i t t u u t t e e s s , , o o r r r r e e f f r r i i g g e e r r a a n n t t a a d d d d i i t t i i v v e e s s . . ODR-SVN004A-EN ©2025 Trane... - Page 3 E E q q u u i i p p m m e e n n t t D D a a m m a a g g e e ! ! outdoor model combinations. Only Trane coils F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w i i n n s s t t r r u u c c t t i i o o n n s s b b e e l l o o w w c c o o u u l l d d r r e e s s u u l l t t i i n n and air handlers are approved for use with e e q q u u i i p p m m e e n n t t d d a a m m a a g g e e .
- Page 4 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 WARNING 400 VOLTS ELECTRICAL HAZARD Failure to follow this warning could result in personal injury or death.
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Page 5: Table Of Contents
Table of Contents Unit Location Considerations ....6 Electrical – Low Voltage Communicating ......24 Subcool Charging Correction Charts . -
Page 6: Unit Location Considerations
All field joints shall be Table 2. Unit Dimensions and Weight H x D x W (in) Weight * (lb) Models 5TWV8X24A 41 x 30 x 33 5TWV8X36A 41 x 30 x 33 5TWV8X48A 41 x 34 x 37... - Page 7 U U n n i i t t L L o o c c a a t t i i o o n n C C o o n n s s i i d d e e r r a a t t i i o o n n s s Table 4.
- Page 8 U U n n i i t t L L o o c c a a t t i i o o n n C C o o n n s s i i d d e e r r a a t t i i o o n n s s 5/16 5/16 Note:...
- Page 9 Table 5. Alternate Refrigerant Line and Service Valve Connection Sizes Service Valve Alternate Line Sizes Connection Sizes Model Vapor Liquid Line Vapor Line Connection Liquid Line Connection Line 5/8" 3/8" 1/2" 5/16" 5TWV8X24A 3/4" 3/8" 5/8" 5/16" 5TWV8X36A 7/8" 3/8" 3/4" 5/16" 5TWV8X48A 5TWV8X60A 7/8" 3/8"...
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Page 10: Charts
U U n n i i t t L L o o c c a a t t i i o o n n C C o o n n s s i i d d e e r r a a t t i i o o n n s s Subcool Charging Correction Charts Figure 1. -
Page 11: R-454B Refrigerant Charging Chart
U U n n i i t t L L o o c c a a t t i i o o n n C C o o n n s s i i d d e e r r a a t t i i o o n n s s R-454B Refrigerant Charging Chart DESIGN SUBCOOLING (F) LIQUID TEMP... - Page 12 U U n n i i t t L L o o c c a a t t i i o o n n C C o o n n s s i i d d e e r r a a t t i i o o n n s s Table 6.
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Page 13: Suggested Locations
U U n n i i t t L L o o c c a a t t i i o o n n C C o o n n s s i i d d e e r r a a t t i i o o n n s s Suggested Locations Table 7. -
Page 14: Unit Preparation
Unit Preparation 1. Check for damage and report promptly to the carrier any damage found to the unit. 2. To remove the unit from the pallet, remove tabs by cutting with a sharp tool. Setting Up the Unit Table 9. Pad Installation When installing the unit on a support pad, such as a concrete slab, consider the following: •... -
Page 15: Refrigerant Line Considerations
Refrigerant Line Considerations Table 10. Factory Charge The outdoor condensing units are factory charged with the system charge required for the outdoor condensing unit, ten (10) feet of tested connecting line, and the smallest rated indoor evaporative coil match. Always verify proper system charge via subcooling (TXV/EEV). Table 11. - Page 16 R R e e f f r r i i g g e e r r a a n n t t L L i i n n e e C C o o n n s s i i d d e e r r a a t t i i o o n n s s Table 13.
- Page 17 R R e e f f r r i i g g e e r r a a n n t t L L i i n n e e C C o o n n s s i i d d e e r r a a t t i i o o n n s s Table 16.
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Page 18: Refrigerant Line Brazing
Refrigerant Line Brazing Table 18. Braze the Refrigerant Lines Remove caps or plugs. Use a deburring tool to debur the pipe ends. Clean both internal and external surfaces of the tubing using an emery cloth. Remove the pressure tap cap, plastic tab and valve core from each service valves. - Page 19 R R e e f f r r i i g g e e r r a a n n t t L L i i n n e e B B r r a a z z i i n n g g Table 18.
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Page 20: Refrigerant Line Leak Check
Refrigerant Line Leak Check Table 19. Check for Leaks Important: The outdoor unit should not be tested higher than 450 PSIG for servicing or component replacement. The indoor unit and linesets should be tested to the max pressure specified on the outdoor or indoor unit nameplate. The service valves should be closed when pressure testing the indoor unit and linesets to separate the outdoor unit from the indoor unit. -
Page 21: Refrigerant Line And Indoor Coil Evacuation
R R e e f f r r i i g g e e r r a a n n t t L L i i n n e e L L e e a a k k C C h h e e c c k k Refrigerant Line and Indoor Coil Evacuation Important: Do not open the service valves until the refrigerant lines... -
Page 22: Servicing
R R e e f f r r i i g g e e r r a a n n t t L L i i n n e e L L e e a a k k C C h h e e c c k k Servicing When Servicing: •... -
Page 23: Service Valves
Service Valves Table 20. Open the Gas / Vapor Service Valve First 1/4 Turn Only Important: Leak check and evacuation must be completed before opening the service valves. Counterclockwise Note: Do not vent refrigerant gases into the atmosphere. for Full Open Position Remove valve stem cap. -
Page 24: Electrical - Low Voltage
Electrical – Low Voltage Communicating Table 22. Low Voltage Maximum Wire Length CONTROL WIRING This table defines the size and combined total maximum length of low voltage wiring from the outdoor unit, to the indoor unit, and to the WIRE SIZE MAX. -
Page 25: Guidelines
E E l l e e c c t t r r i i c c a a l l – – L L o o w w V V o o l l t t a a g g e e C C o o m m m m u u n n i i c c a a t t i i n n g g Table 24. -
Page 26: Electrical - High Voltage
Electrical – High Voltage Table 25. High Voltage Power Supply W W A A R R N N I I N N G G L L i i v v e e E E l l e e c c t t r r i i c c a a l l C C o o m m p p o o n n e e n n t t s s ! ! F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w a a l l l l e e l l e e c c t t r r i i c c a a l l s s a a f f e e t t y y p p r r e e c c a a u u t t i i o o n n s s w w h h e e n n e e x x p p o o s s e e d d t t o o l l i i v v e e e e l l e e c c t t r r i i c c a a l l c c o o m m p p o o n n e e n n t t s s c c o o u u l l d d r r e e s s u u l l t t i i n n d d e e a a t t h h o o r r s s e e r r i i o o u u s s i i n n j j u u r r y y . - Page 27 E E l l e e c c t t r r i i c c a a l l – – H H i i g g h h V V o o l l t t a a g g e e Table 28.
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Page 28: Led Indicators
Integrated Variable Speed Control Board LED Indicators J2, J3 Program Socket Load Shed LSOV DS51 Yellow - COMM J14, J15 Smart Charge SAT Temp Data Port Dis T Coil T Suc T Liq T AOC/MOC Suc P Liq P Sensor Sensor Sensor Sensor... -
Page 29: Start Up
Start Up Ensure you have completed the following sections. “Refrigerant Line Brazing,” p. 18 through “Electrical – High Voltage,” p. 26 Set System Thermostat to OFF. Turn ON disconnect(s) to apply power to the indoor and outdoor units. Wait 3 hours before starting the unit if the outdoor ambient temperature is below 85°... -
Page 30: System Charge Adjustment
System Charge Adjustment Table 30. Temperature Measurements Check the outdoor temperatures. 120° F Subcooling using “Charging Mode-Cooling” (see Note below) is the only recommended method of charging between 55 ° F and 120° F 55° F ambient outdoor temperature. Use SmartCharge™ Tool (BAYCAKT002) as an optional system charging method. -
Page 31: Charging The Unit
Charging the Unit Table 32. Proper Gage Pressure Using the Standard R-454B Subcool Charging Chart, adjust refrigerant level to attain proper gage pressure. Note: Use bubble point, per the included chart, for calculating subcooling. Add refrigerant if the Liquid Gage Pressure is lower than the chart value. Connect gauges to refrigerant bottle and unit as illustrated. -
Page 32: Charging Below 55º F Outdoor Temperature In Heating Mode
Charging Below 55º F Outdoor Temperature in Heating Mode Table 36. Charging below 55º F outdoor temperature in heating mode The Subcooling Charging method in cooling is not recommended below 55º F outdoor temperature. The only recommended method of charging at outdoor temperatures below 55º F is weighing in the charge in heating mode. STEP 1 - Determine additional charge. -
Page 33: 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 N N O O T T E E S S : : 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 1. -
Page 34: Checkout Procedures
Checkout Procedures The final phase of the installation is the system Checkout Procedures. The following list represents the most common items covered in a Checkout Procedure. Confirm all requirements in this document have been met. ☐ All wiring connections are tight and properly secured. ☐... -
Page 35: Symbols
Symbols ODR-SVN004A-EN... -
Page 36: Notices
Notices F F C C C C N N o o t t i i c c e e I I C C N N o o t t i i c c e e Contains IC ID: 7922A-3025 Contains FCC ID: WAP3025 This device complies with part 15 of the FCC Rules. - Page 37 N N o o t t e e s s ODR-SVN004A-EN...
- Page 38 N N o o t t e e s s ODR-SVN004A-EN...
- Page 39 N N o o t t e e s s ODR-SVN004A-EN...
- Page 40 The AHRI Certified mark indicates Trane U.S. Inc. participation in the AHRI Certification program. For verification of individual certified products, go to ahridirectory. org. Trane has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.
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