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© 2011 Trane

NOTICE:  Since the manufacturer has a policy of continuous product and product data  improvement, it reserves the right to change design and specifications without notice.

IMPORTANT --- This document contains a wiring diagram and service information. This is customer property and is to remain with this unit. 

Please return to service information pack upon completion of work.

Air  Handler - Convertible

Models: Series 8 Air Handlers 2-5 Ton

 

HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING

WARNING:

Hyperion ­ Field Reference Data ­ TAM8

For use with BAYEV or BAYW series heaters ONLY

WARNING

!

SAFETY HAZARD! 

This information is intended for use 

by individuals possessing adequate backgrounds of electrical and 
mechanical experience. Any attempt to repair a central air condition-
ing product may result in personal injury and/or property damage. 
The manufacture or seller cannot be responsible for the interpreta-
tion of this information, nor can it assume any liability in connection 
with its use.

PRESSURIZED REFRIGERANT!

 SYSTEM CONTAINS 

OIL AND REFRIGERANT UNDER HIGH PRESSURE.  RECOVER 
REFRIGERANT TO RELIEVE PRESSURE BEFORE OPENING THE 
SYSTEM.

DO NOT USE NON-APPROVED REFRIGERANTS OR REFRIGERANT 
SUBSTITUTES OR REFRIGERANT ADDITIVES.

WARNING

!

LIVE ELECTRICAL COMPONENTS! 

During instal-

lation, testing, servicing, and troubleshooting of this product, it may 
be necessary to work with live electrical components. Failure to fol-
low all electrical safety precautions when exposed to live electrical 
components could result in death or serious injury.

WARNING

!

Note:  This unit is certified to UL 1995.   

The interior cabinet wall meets the following: 

-  UL94-5VA Flame Class Listed 
-  UL723 Steiner Tunnel Listed for 25/50 Flame/
Smoke  
-  UL746C Listed for Exposure to Ultraviolet Light, 
Water Exposure and Immersion

NOTE:  This unit as shipped is ONLY compatible with 
Trane and American Standard communicating thermostats 
and outdoor units. (24VAC thermostats cannot be used)
With the addition of a BAYCC24VK01 accessory, this unit 
can be compatible with a 24VAC single or multistage heat 
pump or air conditioner.

Table of Contents

Product Specifications. .................................................................................................... 2
Wiring Diagram. ............................................................................................................... 3
Sequence of Operation. ................................................................................................... 4
Control Layout - Refrigerant Dip Switch .......................................................................... 6
Airflow Performance. ........................................................................................................ 7
Heater Attribute Data. .................................................................................................... 13
Control Layout - LEDs. ................................................................................................... 16
Alert Codes. ................................................................................................................... 22
EEV Test Procedures. .................................................................................................... 23
EVC Thermal Resistance and Voltage Table. ................................................................ 24
AFC Supply Air Temperature Sensor Table. ................................................................... 25
Display Assembly Menus. .............................................................................................. 26
Troubleshooting. ............................................................................................................ 32

*AM8A0A24V21CA, *AM8A0B30V21CA
*AM8A0C36V31CA, *AM8A0C42V31CA
*AM8A0C48V41CA, *AM8A0C60V51CA

* May be "A" or "T"

Summary of Contents for Hyperion AAM8A0A24V21CA

Page 1: ...RANTS OR REFRIGERANT SUBSTITUTES OR REFRIGERANT ADDITIVES WARNING LIVE ELECTRICAL COMPONENTS During instal lation testing servicing and troubleshooting of this product it may be necessary to work with...

Page 2: ...x 21 8 157 146 PRODUCT SPECIFICATIONS MODEL RATED VOLTS PH HZ RATINGS 1 INDOOR COIL Type Rows F P I Face Area sq ft Tube Size in Refrigerant Control Drain Conn Size in 2 DUCT CONNECTIONS INDOOR FAN Ty...

Page 3: ...TAM8 3 WIRING DIAGRAM FOR AM8 AIR HANDLERS 5 ET WIRING MAY BE BROWN OR ORANGE...

Page 4: ...3 The AFC sends a command to the serial communi cating blower motor to run proper airflow and close the blower interlock relay on the EHC 4 Humidifier contacts close 5 As demand from the thermostat i...

Page 5: ...s only operational during the cooling mode and is not operational during heating or defrost modes Note Standard aftermarket condensate switches Normally Closed can be wired in series with the External...

Page 6: ...Clear History selection and push the Enter key At the Are You Sure question push the Enter again Option 2 a Press and hold the Unit Test Button for 10 12 sec onds b Release the Unit Test button and wa...

Page 7: ...01 845 220 196 890 770 262 211 863 680 297 221 350 CFM ton CFM Watts 876 127 895 174 898 220 888 261 864 297 400 CFM ton CFM Watts 993 1070 178 215 1012 1023 231 236 1017 967 281 255 1009 901 327 270...

Page 8: ...103 100 812 668 145 112 803 463 186 115 788 NA 226 NA 430 CFM ton CFM Watts 868 73 871 116 869 161 864 205 853 248 450 CFM ton CFM Watts 904 993 80 99 910 896 126 122 911 775 173 136 907 621 219 141 8...

Page 9: ...01 961 184 177 1008 848 234 189 1011 731 282 196 420 CFM ton CFM Watts 1033 101 1046 152 1052 205 1060 257 1062 307 450 CFM ton CFM Watts 1100 1243 112 159 1114 1143 168 183 1127 1040 225 202 1136 933...

Page 10: ...7 204 1208 1220 212 229 1218 1115 276 246 1221 999 337 255 1215 868 393 256 400 CFM ton CFM Watts 1196 160 1209 225 1218 289 1219 349 1212 403 450 CFM ton CFM Watts 1343 1463 200 272 1361 1374 275 300...

Page 11: ...ton CFM Watts 1392 226 1400 293 1403 356 1400 413 1394 465 400 CFM ton CFM Watts 1583 1714 303 370 1595 1639 382 546 1601 1562 455 431 1600 1483 521 450 1593 1401 580 459 400 CFM ton CFM Watts 1586 3...

Page 12: ...417 350 CFM ton CFM Watts 1564 274 1578 348 1582 416 1578 476 1569 529 400 CFM ton CFM Watts 1770 1873 386 443 1784 1813 468 481 1789 1747 543 512 1788 1675 612 534 1781 1597 671 546 400 CFM ton CFM...

Page 13: ...1 Circuit 2 Minimum Circuit Ampacity Maximum Overload Protection AM8A0B30V21SA Heater Model No No of Circuits 240 Volt Note May be A or T Note Motor Amps 1 MCA and MOP for circuit 1 contains the motor...

Page 14: ...6 43 45 9 60 32800 40 0 55 60 7 20 24600 34 6 49 50 9 60 32800 40 0 50 50 7 20 24600 34 6 43 45 4 80 16400 20 0 25 25 3 60 12300 17 3 22 25 Heater Attribute Data AM8A0C48V41SA Minimum Circuit Ampacity...

Page 15: ...el No Outdoor Unit Model No Subcooling AM8A0B30V21CA 4A6H6024E 4TWX6024E 9 AM8A0C36V31CA 4A6H6036E 4TWX6036E 10 AM8A0C48V41CA 4A6H6048E 4TWX6048E 8 AM8A0B30V21CA 4A7A6024E 4TTX6024E 8 AM8A0C36V31CA 4A...

Page 16: ...To Internal Condensate Switch Optional GT Sensor See Table ET Sensor J7 Motor J10 STATUS LED FAULT LED UNIT LED FAULT UNIT STATUS STATUS LED WIRE TIE FAULT LED UNIT LED BM LED COMM LED TEST Unit Test...

Page 17: ...ED WIRE TIE FAULT LED UNIT LED BM LED COMM LED TEST Unit Test HUM J11 J6 24 VAC FAULT UNIT STATUS Y1 O D R B Y2 COMM BM Examples communicating thermostat communicating air cleaner etc AFC Fault LED De...

Page 18: ...LED Description OFF Standby 1 Stepper Motor or wiring harness has an open circuit or intermittent short 2 Control has detected an internal failure Verify EEV motor resistance and harness wiring 3 Satu...

Page 19: ...T LED BLUE LED EHC FAULT CODES RED LED EHC Fault LED Description OFF No fault 1 Internal communication error 2 Heat relay stuck open 3 Heat relay stuck closed 4 Non cycling limit NTCO or element open...

Page 20: ...4 D12 D15 D17 R48 R47 R46 R45 R44 MOV1 1 SW1 K1 AUX PGC PGD VSS VDD MCLR P3 C16 1 P4 X1 U3 U2 U1 R39 R37 R36 R35 R34 R33 R32 R31 R30 R29 R28 R27 R26 R25 R24 R23 R22 R20 R19 R18 R17 R16 R15 R14 R13 R12...

Page 21: ...C1 C17 C21 C26 C27 C29 C30 C31 C35 C41 C42 C43 C44 C45 C77 C78 C79 C83 CR1 CR2 CR3 CR4 CR5 CR6 CR9 CR10 CR26 CR42 CR43 CR50 CR51 CR52 CR53 D4 D19 1 1 LED3 LED4 LED5 P1 Q7 Q8 Q9 Q10 Q11 Q14 R1 R2 R26 R...

Page 22: ...ritical 11 11 Condensate overflow condition detected Condensate line clogged 158 Coil freeze fault ID COIL FRST ERR158 ERR 158 0 User Display 11 13 Indoor coil freeze condition detected Low incorrect...

Page 23: ...tiate requires a break and make to initialize To clear faults stored in memory apply a jumper between Close and Test pins for 10 seconds Open Valve Test Touch OPEN pin to TEST pin EEV drives open 5 se...

Page 24: ...42 2 4753 0 81 39 3 9 26166 2 56 110 43 3 4548 0 78 40 4 4 25452 2 52 112 44 4 4354 0 75 41 5 0 24761 2 49 114 45 6 4169 0 72 42 5 6 24090 2 45 116 46 7 3992 0 70 43 6 1 23440 2 42 118 47 8 3825 0 67...

Page 25: ...110 43 3 4548 1 032 36 2 2 28445 2 442 111 43 9 4450 1 016 37 2 8 27661 2 424 112 44 4 4354 1 001 38 3 3 26902 2 406 113 45 0 4260 0 986 39 3 9 26166 2 388 114 45 6 4169 0 971 40 4 4 25452 2 369 115...

Page 26: ...neously for 10 seconds o To Exit the technician menu section press the Up Down menu keys simultaneously for 10 seconds o To move to the top of any menu tree press the Left Right menu keys simultaneous...

Page 27: ...ts Only alerts with a notification level of User or Critical are shown same as the thermostat up to four 4 alerts will be shown most recent first Note 2 Alerts shown will be only AFC faults for initia...

Page 28: ...the different aspects of the system while the air handler is running No changes can be made in the Monitor Menu Superheat is only shown in cooling and defrost modes Airflow Data o The letters ESP Ext...

Page 29: ...orted it The abbreviations for the components are o AF Air Flow control o EV Expansion Valve control o EH Electric Heat control o HH Hydronic Heat control o DA Display Assembly The second line of text...

Page 30: ...ply Air Temperature Defrost Options o MIDCFT Mid Comfort When this option is selected electric heat will be turned on to maintain approximately 70 degree supply air tempera ture if enough electric hea...

Page 31: ...CFM Press Enter key to initiate control Unit must be in Standby or Idle mode o First value is current selection Second value is actual airflow o Use left or right menu keys to decrease or increase ai...

Page 32: ...nd OR OR Replace EVC Verify connections for sensors are plugged in and connected properly NO Start Here Do resistance readings match chart within 5 for the return air temperature Replace sensor s NO Y...

Page 33: ...below 30F Is indoor temperature 85F NO Perform CLOSE VALVE test at EVC YES Does suction pressure go down EEV and coil are working Replace EVC Check operation YES YES Perform temperature sensor check...

Page 34: ...Perform OPEN VALVE test at EVC Does suction pressure rise Replace EVC YES Replace EVC YES Replace EEV Check operation Ohm coil per FIG1 Is ohm reading correct YES Replace coil NO NO NO F B R Insure ID...

Page 35: ...TAM8 35...

Page 36: ...7 www trane com For more information contact your local dealer distributor 05 11 The manufacturer has a policy of continuous product and product data improvement and it reserves the right to change de...

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