Trane A4MXA1824AC6HA Installer's Manual

Installer's Guide
Cased Aluminum "Convertible" Coils
Models:
A4MXA1824AC6HA
A4MXB1832AC6HA
A4MXA3036AC6HA
A4MXB3642AC6HA
A4MXC3642AC6HA
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 informa-
tion pack upon completion of work.
WARNING
!
WARNING (Medium/high pressure)
Contains Refrigerant!
System contains oil and refrigerant under high pressure.
Recover refrigerant to relieve pressure before opening the
system. See unit nameplate for refrigerant type. Do not use
non-approved refrigerants, refrigerant substitutes, or refriger-
ant additives.
Failure to follow proper procedures or the use of non-approved
refrigerants, substitutes, or refrigerant additives could result
in death, serious injury, or equipment damage.
!
WARNING
This product can expose you to chemicals including lead,
which are known to the State of California to case cancer
and birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov
A. GENERAL
These coils are designed for use in combination with a heat pump
or cooling outdoor section using R-410A REFRIGERANT.
The A4MX equipment has been evaluated in accordance with
the Code of Federal Regulations, Chapter XX, Part 3280 or the
equivalent, "Suitable for Mobile Home use." The height of the
Furnace, Coil and discharge duct work must be 7 ft. or less.
Inspect the coil for shipping damage. Notify the transporta-
tion company immediately if the coil is damaged.
B. APPLICATION INFORMATION
1. FURNACE AND COIL
The coil MUST BE installed downstream (in the outlet air)
of the furnace.
2. INDOOR UNIT AIRFLOW
Indoor unit must provide the required airflow for the heat
pump or cooling combinations approved for these coils.
A4MXB4248AC6HA
A4MXC4248AC6HA
A4MXD4248AC6HA
A4MXC4260AC3HA
A4MXD4260AC3HA

Table of Contents

General ............................................................................... 1
Application Information ................................................ 1
Accessory Parts ................................................................ 2
Recommendation ............................................................. 2
Furnace in Upflow Position .......................................... 2
Furnace in Downflow Position ..................................... 3
Furnace in Horizontal Right Position ........................ 4
Furnace in Horizontal Left Position ........................... 5
Metering Device ............................................................... 6
Maximum Airflow Setting, CFM ................................... 7
Installing / Brazing Refrigerant Lines ....................... 7
Leak Check........................................................................ 8
Condensate Drain Piping .............................................. 8
Outline Drawings ............................................................ 9
Troubleshooting Indoor TXV / Cooling Mode ......... 10
NOTE:
OPTIONAL DOWNFLOW GASKET INSTALLATION: For
unusually humid applications that expect prolonged
operation above 70% RH, it is recommended to use the
BAYGSKT001A0 gasket kit to prevent water from forming
on the bottom of the drain pan and dripping into the sup-
ply ductwork.
18-AD37D1-1-EN
Figure 1
IMPORTANT: Review your installation requirements. Check
the table on the outline drawings and note all dimensions
for your coil before beginning the installation.