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Trane AAM7A0B30H21SA User Manual

Trane AAM7A0B30H21SA
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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.
HyperionFieldReferenceDataTAM7
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.
HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
WARNING:
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
Table of Contents
Product Specifications. .................................................................................................... 2
Wiring Diagram. ............................................................................................................... 3
Sequence of Operation. ................................................................................................... 4
Control Layout - Refrigerant Dip Switches....................................................................... 7
Airflow Performance. ...................................................................................................... 10
Heater Attribute Data. .................................................................................................... 16
Control Layout - LEDs. ................................................................................................... 19
EEV Test Procedures. .................................................................................................... 24
EVC Thermal Resistance and Voltage Table. ................................................................ 25
Troubleshooting. ............................................................................................................ 26
* May be "A" or "T"
Air Handler - Convertible
Models: Series 7 Air Handlers 2-5 Ton
*AM7A0A24H21SA, *AM7A0B30H21SA
*AM7A0C36H31SA, *AM7A0C42H31SA
*AM7A0C48H41SA, *AM7A0C60H51SA
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Trane AAM7A0B30H21SA Specifications

General IconGeneral
Model NumberAAM7A0B30H21SA
CategoryAir Handler
Nominal Cooling Capacity2.5 tons
Voltage208/230V
Phase1
Cabinet TypeUpflow/Horizontal
Refrigerant TypeR-410A
Depth21 in
Nominal Heating Capacity30, 000 BTU/hr
Heating Capacity30, 000 BTU/h
Airflow Range1200 CFM
Maximum External Static Pressure0.8 in. w.g.

Summary

Safety Warnings

Hazardous Voltage Warning

Disconnect power before servicing to prevent severe injury or death.

Pressurized Refrigerant Warning

Recover refrigerant before opening the system due to high pressure.

Live Electrical Components Warning

Caution during installation/servicing with live components to avoid injury or death.

General Safety Hazard Warning

For experienced individuals; manufacturer not liable for interpretation or use of info.

Product Specifications

Model-Specific Specifications

Detailed specifications for each AM7 air handler model.

Wiring Diagram

Sequence of Operation

Continuous Fan Operation

Describes the operation of the indoor fan in continuous mode.

Heatpump OD Single Stage Heating

Operation sequence for single-stage heating in heatpump outdoor mode.

Heatpump OD Two Stage Heating

Operation sequence for two-stage heating in heatpump outdoor mode.

OD Single Stage Cooling

Operation sequence for single-stage cooling in outdoor mode.

OD Two Stage Cooling

Operation sequence for two-stage cooling in outdoor mode.

Cooling OD Single Stage

Operation sequence for single-stage cooling in outdoor mode.

Cooling OD Two Stage

Operation sequence for two-stage cooling in outdoor mode.

Electric Heat Operation

Describes the operation of electric heat elements.

Defrost Operation

Sequence of operation during defrost mode.

Unit Test and Diagnostics

Unit Test Mode Procedure

Steps to enter and operate the unit test mode.

Unit Test Mode Sequence

Describes the sequence of events during unit test mode.

Control Layout and Settings

Dip Switch Settings - S1

Dip Switch Settings - S2

Airflow Performance Data

Heater Attribute Data

Air Handler Control Panel Overview

AFC Control Board Status and Fault Codes

EVC Control Board Status and Fault Codes

EHC Control Board Status and Fault Codes

HHC Control Board Status and Fault Codes

EEV Test Procedures

Sensor Resistance and Voltage Tables

Sensor Troubleshooting Flowchart

High Superheat Troubleshooting

Low Superheat Troubleshooting

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