Table of Contents
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Installer's Guide
Side Discharge HP Models
For coastal applications where units are installed within one (1) mile of salt water, epoxy coated models are recommended. These models
have an 8 week lead time after order.
4A6L5024N1000A
4A6L5030N1000A
4A6L5036N1000A
4A6L5042N1000A
4A6L5048N1000A
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 2022
E E p p o o x x y y C C o o a a t t e e d d M M o o d d e e l l
4A6L5024N1COTA
4A6L5030N1COTA
4A6L5036N1COTA
4A6L5042N1COTA
4A6L5048N1COTA
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 6 6 D D 1 1 - - 1 1 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."
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Table of Contents
Troubleshooting
Related Manuals for American Standard 4A6L5024N1000A
Summary of Contents for American Standard 4A6L5024N1000A
- Page 1 8 week lead time after order. E E p p o o x x y y C C o o a a t t e e d d M M o o d d e e l l 4A6L5024N1000A 4A6L5024N1COTA...
- Page 2 . . ©2022 American Standard Heating and Air Conditioning...
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Page 3: Table Of Contents
Table of Contents Unit Location Considerations ....4 System Start Up ......19 Unit Location Considerations . -
Page 4: Unit Location Considerations
Unit Location Considerations Table 1. Unit Dimensions (in inches) and Weight H x D x W (in) Weight * (lb) Models 4A6L5024N1 36.75 x 17 1/2 x 47 32.75 47.0 36.75 17.5 19.5 20.5 36.75 x 17 1/2 x 47 4A6L5030N1 32.75 47.0... - Page 5 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 2.
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Page 6: Unit Location 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 Unit Location Considerations Table 3. - 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 3.
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Page 8: Unit Preparation
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 Unit Preparation Check for damage and report promptly to the carrier any damage found to the unit. -
Page 9: Refrigerant Line 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 Refrigerant Line Considerations Table 7. - Page 10 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 11.
- Page 11 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 14.
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Page 12: Refrigerant Line Brazing
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 Refrigerant Line Brazing Table 16. - Page 13 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 16.
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Page 14: Refrigerant Line Leak Check
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 Refrigerant Line Leak Check Table 17. -
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: Communicating
Electrical — Low Voltage Non Communicating Table 20. Low Voltage Maximum Wire Length 24 VOLTS The table defines the maximum total length of low voltage wiring WIRE SIZE MAX. WIRE LENGTH from the outdoor unit, to the indoor unit, and to the thermostat. Note: The use of color coded low voltage wire is recommended to 18 AWG 150 Ft... - 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 N N o o n n 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 2 Stage HP Thermostat AUX 1 AUX 1...
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Page 18: Electrical - High Voltage
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 N N o o n n 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 Electrical —... -
Page 19: System Start Up
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 N N o o n n 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 System Start Up Set the system thermostat to OFF. -
Page 20: Subcooling Charging In Cooling Between 55° F And 120° Od
Subcooling Charging in Cooling between 55° F and 120° OD Ambient American Standard has always recommended 4. Measure Liquid Line Temperature and Refrigerant installing American Standard approved matched Pressure at service valves. indoor and outdoor systems. 5. Determine total refrigerant line length, and height (lift) if indoor section is above the condenser. -
Page 21: System Charge Adjustment
System Charge Adjustment Table 24. Temperature Measurements (Systems can be rated with TXV, EEV or Piston. Ensure charging method is correct). Check the outdoor temperatures. 120° F Subcooling using “Charging Mode-Cooling” is the only recommended method of charging between 55 ° F and 120° F ambient outdoor temperature. -
Page 22: Refrigerant Charging Chart
Refrigerant Charging Chart R-410A REFRIGERANT CHARGING CHART DESIGN SUBCOOLING (°F) LIQUID TEMP (°F) LIQUID GAGE PRESSURE (PSI) 11-BC46D1-1A-EN... -
Page 23: Subcool Charging Charts
Subcool Charging Charts Figure 1. 2.0 and 2.5 Ton Models Figure 3. 3.5 and 4.0 Ton Models SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE) SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE) Add 4° 1° 1°... -
Page 24: Charging The Unit
Charging the Unit Table 26. Stabilize the system Wait 20 minutes for the system condition to stabilize between adjustments. Note: When the Liquid Line Temperature and Gage Pressure 20 MIN. approximately match the chart, the system is properly charged. Remove gauges. Replace service port caps to prevent leaks. - Page 25 C C h h a a r r g g i i n n g g t t h h e e U U n n i i t t Table 29. Proper Gage Pressure Adjust refrigerant level to attain proper gage pressure. Add refrigerant if the Liquid Gage Pressure is lower than the chart value.
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Page 26: 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 27: Troubleshooting
Troubleshooting Compressor fails to start Contactor check Is contactor engergized? Go To: Compressor won’t run (contacts closed) Wait 3 minutes and check contactor Check for 24 volts AC coil again across contactor coil Is voltage If applicable, is TDR present at input voltage Replace contactor contactor coil? -
Page 28: Troubleshooting
T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g Troubleshooting Does a resistance check show an open circuit between R and S? 11-BC46D1-1A-EN... - Page 29 N N o o t t e e s s 11-BC46D1-1A-EN...
- Page 30 N N o o t t e e s s 11-BC46D1-1A-EN...
- Page 31 N N o o t t e e s s 11-BC46D1-1A-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.
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