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Installer's Guide
American Standard Link or AccuLink™ ™
Variable Speed Heat Pumps and Air Conditioners
4A6V8X24A1000A
4A6V8X36A1000A
4A6V8X48A1000A
4A6V8X60A1000A
The Diagnostics Mobile App is available by scanning a QR code
located inside this unit or by searching for the Link Diagnostics App
in your App Store ® .
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.
August 2022
4A7V8X24A1000A
4A7V8X36A1000A
4A7V8X48A1000A
4A7V8X60A1000A
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
1 1 1 1 - - B B C C 4 4 5 5 D D 1 1 - - 1 1 C C - - 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 can be used in AccuLink ™ mode or American Standard
Link mode.
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Table of Contents
Related Manuals for American Standard Link 4A6V8X24A1000A
Summary of Contents for American Standard Link 4A6V8X24A1000A
- Page 1 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 can be used in AccuLink ™ mode or American Standard Link mode.
- Page 2 . . ©2022 American Standard Heating and Air Conditioning...
- Page 3 Platinum 80 Furnace • Approved System Accessories Note: See AHRI directory for approved indoor and outdoor model combinations. Only Trane / American Standard coils and air handlers are approved for use with variable speed outdoor unit. Table 1. Operating Range Cooling 55°...
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Page 4: Table Of Contents
Table of Contents Unit Location Considerations ....5 Integrated Variable Speed Control Board LED Indicators ......20 . -
Page 5: Unit Location Considerations
Unit Location Considerations Table 2. Unit Dimensions and Weight H x D x W (in) Weight * (lb) Models 4A6V8X24A 41 x 30 x 33 4A6V8X36A 41 x 30 x 33 4A6V8X48A 41 x 34 x 37 4A6V8X60A 45 x 34 x 37 4A7V8X24A 41 x 30 x 33 4A7V8X36A... - Page 6 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.
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Page 7: Coastal Considerations
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. -
Page 8: 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 7. Pad Installation When installing the unit on a support pad, such as a concrete slab, consider the following: •... -
Page 9: Refrigerant Line Considerations
Refrigerant Line Considerations Table 8. 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 9. - Page 10 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 11.
- Page 11 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 14.
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Page 12: Refrigerant Line Brazing
Refrigerant Line Brazing Table 16. 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 and valve core from each service valves. - Page 13 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 16.
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Page 14: Refrigerant Line Leak Check
Refrigerant Line Leak Check Table 17. Check for Leaks 150 PSIG Pressurize the refrigerant lines and evaporator coil to 150 PSIG using dry nitrogen. Check for leaks by using a soapy solution at each brazed location. Note: Remove nitrogen pressure and repair any leaks before continuing. -
Page 15: Service Valves
Service Valves Table 18. Open the Gas Service Valve 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. Using a wrench, turn valve stem 1/4 turn counterclockwise to the fully open position. -
Page 16: Electrical - Low Voltage
Figure 1. Fully Communicating System Communicating Outdoor Unit Neatly bundle all low voltage wires as shown. The Brown data wire used in AccuLink mode is NOT used in American Standard Link mode (Cap off if not used) UX360 Distribution Indoor Smart Thermostat... - Page 17 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 21.
- Page 18 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 22. American Standard Link Low Voltage Wire Connectors Link mode uses simple connectors for low voltage connections.
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Page 19: Electrical - High Voltage
Electrical — High Voltage Table 23. 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 t t h h i i s s W W a a r r n n i i n n g g 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 p p r r o o p p e e r r t t y y d d a a m m a a g g e e , , s s e e v v e e r r e e p p e e r r s s o o n n a a l l i i n n j j u u r r y y , , o o r r d d e e a a t t h h . -
Page 20: Integrated Variable Speed Control Board
POWER UP DELAY (GREEN) SOLID ON TEST MODE INTERMITTENT 1 FLASH EVERY 4 SECONDS HARD LOCKOUT Note: The STATUS Light is not illuminated in American Standard Link mode. Table 27. LED’S in AccuLink and American Standard Link modes RATE DESCRIPTION INDICATION SLOW... -
Page 21: Start Up
Run the system using the “Charging Mode-Cooling” test mode found in the 850/950/1050 or UX360 Smart Thermostat controls. American Standard Link systems can also use the Diagnostic Mobile App to enter Test Modes. This is the only approved method for setting the system charge level by subcooling. -
Page 22: System Charge Adjustment
850/950/1050 and UX360 comfort control Technician Menu’s. Test modes can also be accessed using the Diagnostic Mobile App on American Standard Link systems. Outdoor Temperature must be between 55°F and 120°F with Indoor Temperature kept between 70°F and 80°F. -
Page 23: Charts
UNIT BE CONFIGURED FOR 400 CFM/TON IN ACCULINK MODE ONLY. Figure 5. Subcool Charging Corrections — 4.0 Ton Note: System will auto configure airflow in American Standard Link mode. 4.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE) Add 1°... -
Page 24: Refrigerant Charging Chart
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 Refrigerant Charging Chart R-410A REFRIGERANT CHARGING CHART DESIGN SUBCOOLING (°F) -
Page 25: Charging The Unit
Charging the Unit Important: ENSURE INDOOR BLOWER IS CONFIGURED FOR 400 CFM/TON IN ACCULINK MODE. Table 30. Proper Gage Pressure Using the Standard R-410A Subcool Charging Chart, adjust refrigerant level to attain proper gage pressure. Add refrigerant if the Liquid Gage Pressure is lower than the chart value. Connect gauges to refrigerant bottle and unit as illustrated. -
Page 26: Subcooling Charging Below 55º F Outdoor Temp. (In Heating Only)
Subcooling Charging Below 55º F Outdoor Temp. (In Heating Only) Table 34. Subcooling Charging Below 55º F Outdoor Temp. (In Heating Only) 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 and referencing the refrigerant pressure curves for typical performance. -
Page 27: Communicating Display Assembly
Communicating Display Assembly (CANda) 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 28: Defrost Control (Heat Pump Only)
Thermostat on AccuLink systems or from the temperature at or below 35° F. CANda, UX360 User Interface or Diagnostic Mobile App in American Standard Link systems. Indoor • Heat/Cool Demand (HCD) from the communicating AUX heat will energize when FRC DFT TEST is comfort control for at least two minutes or more. -
Page 29: 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 30: 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 FCC ID: WAP3025 Contains IC ID: 7922A-3025 This device complies with part 15 of the FCC Rules. - Page 31 N N o o t t e e s s 11-BC45D1-1C-EN...
- Page 32 About American Standard Heating and Air Conditioning American Standard has been creating comfortable and affordable living environments for more than a century. For more information, please visit www.americanstandardair.com. The AHRI Certified mark indicates company participation in the AHRI Certification program. For verification of individual certified products, go to ahridirectory.org.