Trane Hyperion TAM8A0A24V21CA User Manual

© 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"

Trane Hyperion TAM8A0A24V21CA Specifications

General

Model Number	TAM8A0A24V21CA
Category	Air Handlers
Nominal Cooling Capacity	2 tons
Refrigerant	R-410A
Voltage	208/230V
Phase	1
Maximum Overcurrent Protection	15A
Nominal Heating Capacity	24000 BTU/H
SEER Rating	Up to 21.0
Airflow	800-1200 CFM
Width	22 in

Summary

Safety and Operational Warnings

General Safety Warnings

Covers hazardous voltage, live components, and pressurized refrigerant hazards.

Product Specifications

AM8 Series Model Specifications

Detailed specifications for AM8 models including coil, fan, filter, and refrigerant types.

Wiring Diagram and Components

Wiring Diagram Overview

Provides the main wiring diagram for AM8 air handlers and a legend for components.

Wiring Diagram Safety Notes

Includes essential safety warnings and cautions for electrical work related to the wiring diagram.

Sequence of Operation Overview

Operational Modes and Abbreviations

Defines abbreviations and explains operation for continuous fan, cooling, and heatpump modes.

Electric Heat and Auxiliary Operations

Details the sequence of operation for electric heat and provides notes on thermostat delay profiles.

Advanced Sequence of Operation

Hydronic Heat, Defrost, and Freeze Protection

Explains operation for hydronic heat, defrost, freeze protection, and condensate switches.

Unit Test Mode Procedures

Outlines how to enter and execute the unit test mode for various functions.

Fault Reporting and Control Layout

Fault Reporting and History Clearing

Describes how faults are reported, accessed, and how to clear fault history.

Refrigerant Dip Switch Configuration

Airflow Performance Data (AM8A0A24)

AM8A0A24 Cooling Airflow Performance

Airflow Performance Data (AM8A0B30)

AM8A0B30 Cooling Airflow Performance

Airflow Performance Data (AM8A0C36)

AM8A0C36 Cooling Airflow Performance

Airflow Performance Data (AM8A0C42)

AM8A0C42 Cooling Airflow Performance

Airflow Performance Data (AM8A0C48)

AM8A0C48 Cooling Airflow Performance

Airflow Performance Data (AM8A0C60)

AM8A0C60 Cooling Airflow Performance

Heater Attribute Data (Part 1)

Heater Data for AM8A0A24V21SA

Heater Data for AM8A0B30V21SA

Heater Data for AM8A0C36V31SA

Heater Attribute Data (Part 2)

Heater Data for AM8A0C42V31SA

Heater Data for AM8A0C48V41SA

Heater Data for AM8A0C60V51SA

Air Handler Control Panel LEDs

AFC Board LED Indicators

EVC Board LED Indicators

AFC Control Board LED Status and Faults

AFC Fault Codes (Red LED)

Lists and describes the fault codes indicated by the AFC fault LED.

EVC Control Board LED Status and Faults

EVC Fault Codes (Red LED)

Lists and describes the fault codes indicated by the EVC red fault LED.

EHC Control Board LED Status and Faults

EHC Fault Codes (Red LED)

Lists and describes the fault codes indicated by the EHC red fault LED.

HHC Control Board LED Status and Faults

HHC Fault Codes (Red LED)

Lists and describes the fault codes indicated by the HHC red fault LED.

Alert Codes and Descriptions

Alert Codes, Causes, and System Actions

Lists specific alert codes, their causes, and potential system actions for troubleshooting.

EEV Test Procedures

EEV Test Options and Access

Performing EEV Valve Tests

Details the steps for performing Close Valve and Open Valve tests using specific test pins.

Display Assembly Operation and Navigation

Navigating Display Assembly Menus

Display Assembly Menu Structure and Status

Display Assembly Menu Hierarchy

Outlines the hierarchical structure of the Display Assembly menus.

System Status Messages Explained

Technician Monitor Menu Functions

Monitor Menu Overview and Data Points

Technician Alert Menu Functions

Viewing Active and Historical Alerts

Technician Config Menu Functions

Config Menu Options Overview

External Switch and Defrost Options

Technician Control Menu Functions

Control Menu Overview

EEV and Unit Test Procedures

Describes how to perform EEV tests and the Unit Test procedure.

Troubleshooting Guide

Sensor Check Procedure

Step-by-step guide for checking sensors, including voltage and resistance measurements.

High Superheat Troubleshooting

Diagnosing High Superheat

Flowchart for diagnosing high superheat conditions, including subcooling and valve tests.

Low Superheat Troubleshooting

Diagnosing Low Superheat

Flowchart for diagnosing low superheat conditions, including filter, coil, and sensor checks.