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Trane TAM4A0A18S11ED User Manual

Trane TAM4A0A18S11ED
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18-GJ05D1-12A-EN
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
Important: This Document is customer property and is to remain with this unit. Please return to service information
pack upon completion of work.
Important: These instructions do not cover all variations
in systems nor provide for every possible contingency to
be met in connection with the installation. Should further
information be desired or should particular problems
arise which are not covered sufficiently for the pur-
chaser’s purposes, the matter should be referred to your
installing dealer or local distributor.
Note: The manufacturer recommends installing ONLY
AHRI approved, matched indoor and outdoor systems.
Some of the benefits of installing approved matched
indoor and outdoor split systems are maximum efficien-
cy, optimum performance, and the best overall system
reliability.
Note: All AHRI ratings use a 90 second fan off delay.
Use your branded thermostat or separate relay to enable
this delay.
Note: Condensation may occur on the surface of the air
handler when installed in an unconditioned space. When
units are installed in unconditioned spaces, verify that
all electrical and refrigerant line penetrations on the air
handler are sealed completely.
Important: TAM4A0C60S51 air handler applied in
downflow or horizontal configurations should not exceed
2000 CFM. Airflow above 2000 CFM could result in
water blow-off. For verification, see airflow table.
Important: The TAM4 air handlers will only use the fol-
lowing internal electric heaters:
BAYEAAC04BK1, BAYEAAC04LG1
BAYEAAC05BK1, BAYEAAC05LG1
BAYEAAC08BK1, BAYEAAC08LG1
BAYEAAC10BK1, BAYEAAC10LG1
BAYEAAC10LG3, BAYEABC15BK1
BAYEABC15LG3, BAYEABC20BK1
BAYEACC25BK1
Convertible Air Handlers
1-1/2 – 5 Ton
Black Epoxy Coil
TAM4A0A18S11ED
TAM4A0A24S21ED
TAM4A0A30S21ED
TAM4A0A36S31ED
TAM4A0B42S31ED
TAM4A0C48S41ED
TAM4A0C60S51ED
Installer’s Guide
Standard Coil
TAM4A0A18S11SD
TAM4A0A24S21SD
TAM4A0A30S21SD
TAM4A0A36S31SD
TAM4A0B42S31SD
TAM4A0C48S41SD
TAM4A0C60S51SD
Note: Representative illustrations only included
in this document. Most illustrations display the
upflow configuration.
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Trane TAM4A0A18S11ED Specifications

General IconGeneral
ModelTAM4A0A18S11ED
TypeAir Handler
SeriesTAM4
Cooling Capacity1.5 Ton
Blower Motor TypePSC
RefrigerantR-410A
Voltage208/230V
Width (in)17.5
Depth (in)21
Phase1
Filter Size16 x 20 x 1
Drain Connection3/4 in

Summary

Safety Information

Unit Design

Cabinet Penetration

Details allowed locations for drilling and screwing into the unit cabinet.

Panel Removal

Instructions for removing the four access panels of the unit.

Unit Preparation

Prepare The Unit For Installation

Steps to check for damage, handle unit during transport, and prepare for installation.

Optional Cabinet Disassembly

Disassemble Cabinet for Installation in Tight Areas

Steps to disassemble the unit cabinet for installation in confined spaces.

Place Unit at Location

Carry Unit

Approved methods for lifting and carrying the unit to its installation location.

Unit Location Considerations

Unit Dimensions and Weight

Table of model numbers with corresponding dimensions and net weight.

Four-Way Conversion

Instructions for orienting the unit for upflow, downflow, or horizontal configurations.

Non Ducted Applications

Guidelines for installing the unit without a return air duct.

Ducted Applications

Guidelines for installing the unit with a ducted supply and return air.

Additional Unit Preparation Considerations

Further considerations for installation, including noise, clearances, and approvals.

Setting the Unit – Vertical Installation

Considerations

General considerations for vertical installation, including height and foundation.

Upflow Installations

Steps and notes for performing an upflow installation.

Downflow Installation

Steps and important notes for performing a downflow installation.

Setting the Unit – Horizontal Installation

Considerations

Key considerations for installing the unit in a horizontal position.

Connecting the Duct work

Duct Connection Considerations

Important factors for connecting supply and return air ducts to the unit.

Refrigerant Line

Refrigerant Line Connection Sizes

Table detailing vapor and liquid line connection sizes for various models.

Refrigerant System Layout

Diagram illustrating the layout of refrigerant components like sensors and valves.

Refrigerant Line Brazing

Braze The Refrigerant Lines

Step-by-step instructions for brazing refrigerant lines to the indoor coil.

Condensate Drain Piping

Condensate Drain Piping Considerations

Considerations for routing, sloping, and connecting condensate drain lines.

Connect Condensate Drain Piping

Procedure for connecting condensate drain piping for different orientations.

Electrical – Low Voltage

Low Voltage Maximum Wire Length

Table defining maximum total length of low voltage wiring based on wire size.

Low Voltage Hook-up Instructions

Instructions for drilling holes and routing low voltage wiring into the unit.

Electrical – High Voltage

High Voltage Power Supply

Matching high voltage power supply to the equipment nameplate and codes.

Make Electrical Connections

Steps for routing high voltage wiring and connecting conduit to the unit.

Secure Coil (All Applications)

Procedure for securing the coil panel bracket and seal plate to the unit.

Filters

Filter Considerations

Information on filter installation, maintenance, and sizing for different cabinet sizes.

Start Up

System Start Up

Steps to ensure the system is properly started after installation.

Sequence of Operation

Continuous Fan

Detailed sequence for continuous fan operation.

Heatpump OD (cooling)

Sequence of operation for heatpump cooling mode.

Heatpump OD (heating)

Sequence of operation for heatpump heating mode.

Cooling OD

Sequence of operation for standard cooling mode.

Electric Heating

Sequence of operation for electric heating mode.

Optional Condensate Switch

Information about the optional condensate switch and its operation.

Freeze Protection

How the EVC control prevents the coil from icing and initiates defrost.

Checkout Procedures

Operational And Checkout Procedures

A comprehensive checklist for verifying system performance after installation.

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