Trane TAM7A0C48H41SA 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.
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

Trane TAM7A0C48H41SA Specifications

General

Model	TAM7A0C48H41SA
Type	Air Handler
Refrigerant	R-410A
CFM	1600
Phase	1
Frequency	60 Hz
Cabinet Construction	Galvanized steel
Voltage	208/230
Maximum External Static Pressure	0.8 in. w.c.
Motor Type	ECM
Refrigerant Connections	3/8 in. and 3/4 in.
Shipping Weight	165 lbs
Cooling Capacity	4 ton

Summary

Product Specifications

Wiring Diagram

Sequence of Operation

Control Layout

Refrigerant Switch SW1

Sets the system refrigerant type (R-410A or R-22) on the EVC board.

Dip Switch S1 Configuration

Configures OD multiplier, stages, and compressor count using S1 switches.

Dip Switch S2 Configuration

Sets cooling/heating CFM/Ton and blower off delay using S2 switches.

Air Handler Control Panel Overview

Diagram showing AFC, Distribution Board, and EVC connections and test points.

Airflow Performance

Minimum Heating Airflow Settings

Tables detailing minimum airflow for heating based on model and outdoor unit.

Heater Information

Heater Attribute Data

Electrical data for various electric heater models, including capacity and ampacity.

Subcooling Adjustment

Lists subcooling values for different indoor and outdoor unit combinations.

Blower Housing Vibration

Specifies distance from belly band to shaft face for minimum vibration.

EEV Test Procedures

Thermal Resistance and Voltage Table

Troubleshooting

Sensor Check Procedure

Step-by-step guide to check sensor connections, voltage, and resistance.

High Superheat Diagnosis

Flowchart for diagnosing and resolving high superheat conditions.

Low Superheat Diagnosis

Flowchart for diagnosing and resolving low superheat conditions.