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Service Facts
Variable Speed AccuLink™ ™
Heat Pumps and Air Conditioners
4A6V0024A1000B
4A6V0036A1000B
4A6V0048A1000B
4A6V0060A1000B
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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 2017
4A7V0024A1000B
4A7V0036B1000B
4A7V0048A1000B
4A7V0060A1000B
4A7V0061A1000B
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 A A - - V V 0 0 - - S S F F - - 1 1 G G - - 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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Related Manuals for American Standard 4A6V0024A1000B
Summary of Contents for American Standard 4A6V0024A1000B
- Page 1 Service Facts Variable Speed AccuLink™ ™ Heat Pumps and Air Conditioners 4A6V0024A1000B 4A7V0024A1000B 4A6V0036A1000B 4A7V0036B1000B 4A6V0048A1000B 4A7V0048A1000B 4A6V0060A1000B 4A7V0060A1000B 4A7V0061A1000B N N o o t t e e : : “Graphics in this document are for representation only. Actual model may differ in appearance.”...
- Page 2 SAFETY SECTION — OUTDOOR I I m m p p o o r r t t a a n n t t — This document contains a wiring diagram C C A A U U T T I I O O N N 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 Approved Combinations for Variable Speed Units Important: Use caution when cleaning outdoor coil to ensure no •...
- 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 — — O O U U T T D D O O O O R R Table 1.
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Page 5: Product Specifications
Product Specifications HEAT PUMP MODELS OUTDOOR UNIT (a) (b) 4A6V0024A1000B 4A6V0036A1000B 4A6V0048A1000B 4A6V0060A1000B POWER CONNS. — V/PH/HZ 208/230/1/60 208/230/1/60 208/230/1/60 208/230/1/60 MIN. BRCH. CIR. AMPACITY 17.0 26.0 29.0 37.0 BR. CIR. PROT. RTG. — MAX. (AMPS) COMPRESSOR SCROLL SCROLL SCROLL SCROLL NO. - 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 OUTDOOR UNIT (a) (b)
- Page 7 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 OUTDOOR UNIT (a) (b)
- Page 8 All American Standard split systems are AHRI rated 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 - - with only TXV or EEV indoor systems.
- Page 9 Subcool Charging Correction Charts Figure 1. Subcool Charging Corrections — 2.0 Ton Figure 3. Subcool Charging Corrections — 4.0 Ton Add 1° Add 1° Add 2° Add 2° Add 1° Add 1° 1° 1° 1° 100 110 120 130 140 150 100 110 120 130 140 150 TOTAL REFRIGERANT LINE LENGTH (FEET) TOTAL REFRIGERANT LINE LENGTH (FEET)
- Page 10 Charging: Weigh-In Method Weigh-In Method can be used for the initial installation, or anytime a system charge is being replaced. Weigh-In Method can also be used when power is not available to the equipment site or operating conditions (indoor/outdoor temperatures) are not in range to verify with the subcooling charging method.
- Page 11 Wiring — D157619P04 4A-V0-SF-1G-EN...
- Page 12 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 ” ” F AN ALUMINUM COVER PLATE 4A-V0-SF-1G-EN...
- Page 13 Integrated Variable Speed Control Board LED Indicators COMM STATUS SHED L L E E D D ’ ’ S S DESCRIP- INDICA- RATE TION TION RATE DESCRIPTION INDICATION 1 TIME PER STANDBY/ SLOW SECOND IDLE 1 TIME PER SLOW DEVICE COUNT DEVICE 2 TIMES PER CALL FOR...
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Page 14: 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 15 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 16 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 17 SENSORS Compressor Dome Temperature THERMISTOR VOLTS DC RESISTANCE TEMP F TEMP C (PIN TO PIN) This table shows the corresponding voltage, resistance (OHMS) and temperature readings for the Dome Temperature 104.44 0.50 Sensor when measured across pins 1 and 10. The 107.22 0.47 110.00...
- Page 18 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) These tables show the corresponding voltage, resistance and temperature readings for the Ambient, Temperature Sensor when measured across pins 5 &...
- Page 19 S S E E N N S S O O R R S S Coil and Suction Temperature The Coil Temperature Sensor control has an NTC thermistor input for sensing the coil temperature. This Sensor reading is used by the defrost algorithm on heat pump units.
- Page 20 S S E E N N S S O O R R S S Suction Line Pressure Figure 10. 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 Display Sub- Alert A/TZONE Alert Alert State action on State action on Assembly alar- Possible Cause Group 850/950 Description Code occurrence clearance Text Shutdown. Send Err Resume normal Control failure, Control Internal control CTRL FLT Err 18.04 code to thermostat operation.
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- 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 Display Sub- Alert...
- Page 34 Refrigeration Circuits for Heating and Cooling Figure 11. 2 Ton HP (024 Models) Figure 12. 3 Ton HP (036 Models) 4A-V0-SF-1G-EN...
- Page 35 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 13.
- 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 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 40 Communication Loss 4A-V0-SF-1G-EN...
- Page 41 Breaker Trip Procedure 4A-V0-SF-1G-EN...
- Page 42 Start Compressor 4A-V0-SF-1G-EN...
- Page 43 Compressor Verification: Parameters 4A-V0-SF-1G-EN...
- Page 44 Run Drive Diagnostic Test 4A-V0-SF-1G-EN...
- Page 45 Compressor Verification: Short 4A-V0-SF-1G-EN...
- Page 46 Compressor Verification: Open 4A-V0-SF-1G-EN...
- Page 47 Inverter Temperature 4A-V0-SF-1G-EN...
- Page 48 Electronic Expansion Valve (EEV) Troubleshooting Flowchart The Electronic Expansion Valve (EEV) installed in this heat pump is designed to control superheat entering the compressor when the system is running in mechanical heating mode. During cooling mode, refrigerant flow is controlled by the expansion device in the indoor unit. Therefore, any ooperational problems observed in cooling mode are not caused by the outdoor EEV.
- Page 49 Communicating Display Assembly Scan to see an overview video about the CDA Home Screen— Communicating Display Assembly Table 6. Status Menu/Home Screen • The System Status is shown continuously on the Home Screen. • The System Status will alternate with Fault Information if there is an active fault. •...
- Page 50 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 51 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 4A-V0-SF-1G-EN...
- Page 52 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. 4A-V0-SF-1G-EN...
- Page 53 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. 4A-V0-SF-1G-EN...
- Page 54 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 55 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. 4A-V0-SF-1G-EN...
- Page 56 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 4A-V0-SF-1G-EN...
- Page 57 TECH CONTROL — Charge/Check Charge Modes 4A-V0-SF-1G-EN...
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Page 58: Sound Data
Sound Data Full Octave Sound Power [dB] A-Weighted Speed Sound Power Model Mode 1000 2000 4000 8000 Level [dB(A)] Cool 70.9 50.3 51.8 52.3 50.4 42.0 37.7 39.9 Cool 76.3 65.2 62.7 64.1 60.5 55.7 49.5 45.0 4A6V0024A Heat 69.8 52.9 52.8 57.5... - Page 59 S S o o u u n n d d D D a a t t a a Full Octave Sound Power [dB] A-Weighted Speed Sound Power Model Mode 1000 2000 4000 8000 Level [dB(A)] 5 Hz 71.2 49.8 51.4 58.3 51.6 44.2...
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Page 60: Pressure Curves
Pressure Curves Figure 20. 4A6V0024A TAM8C0B30V21 TAM8C0B30V21 Cooling with Electronic Expansion Valve Heating INDOOR ENTERING INDOOR ENTERING WET BULB CUR VES DR Y BULB CURVES TOP TO BOTTOM TOP TO BOTTOM 71, 67, 63 AND 59 DEG F. 80, 70, AND 60 DEG F. OUTDOOR TEMPERATURE (Degree F) INDOOR ENTERING INDOOR ENTERING... - Page 61 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 21. 4A6V0036A 4A-V0-SF-1G-EN...
- 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 22. 4A6V0048A 4A-V0-SF-1G-EN...
- 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 23. 4A6V0060A TAM8C0C60V51 TAM8C0C60V51 Cooling with Electronic Expansion Valve Heating INDOOR ENTERING INDOOR ENTERING WET BULB CU RVES 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 24. 4A7V0024A 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 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 25. 4A7V0036B TAM8C0C36V31 Cooling with Electronic Expansion Valve INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 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 26. 4A7V0048A TAM8C0C48V41 Cooling with Electroni c E xpansion Valve INDOOR ENTER ING WE T BULB CUR VES TOP TO BOTTO M 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 27. 4A7V0060A TAM8C0C60V51 Cooling with Electronic Expa nsion Valve INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 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 28. 4A7V0061A TAM8C0C60V51 Cooling with Electronic Expansion Valve INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F.
- Page 69 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 70 N N o o t t e e s s 4A-V0-SF-1G-EN...
- Page 71 N N o o t t e e s s 4A-V0-SF-1G-EN...
- Page 72 Ingersoll Rand (NYSE: IR) advances the quality of life by creating comfortable, sustainable and efficient environments. Our people and our family of brands — including Club Car ® , Ingersoll Rand ® , Thermo King ® Trane ® — work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables;...
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