American Standard 4A7A5 Installer's Manual

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.
These instructions do not cover all variations in systems
nor provide for every possible contingency to be met in
connection with installation. All phases of this installa-
tion must comply with NATIONAL, STATE AND LOCAL
CODES. Should further information be desired or should
particular problems arise which are not covered sufficiently for
the purchaser's purposes, the matter should be referred to your
installing dealer or local distributor.
A. GENERAL
WARNING:
for use by individuals possessing adequate backgrounds
of electrical and mechanical experience. Any attempt to
repair a central air conditioning product may result in
personal injury and or property damage. The manufac-
turer or seller cannot be responsible for the interpreta-
tion of this information, nor can it assume any liability in
connection with its use.
NOTE: AMERICAN STANDARD HAS ALWAYS RECOM-
MENDED INSTALLING AMERICAN STANDARD AP-
PROVED MATCHED INDOOR AND OUTDOOR SYSTEMS.
THE BENEFITS OF INSTALLING APPROVED MATCHED
SYSTEMS ARE MAXIMUM EFFICIENCY, OPTIMUM PER-
FORMANCE AND BEST OVERALL SYSTEM RELIABILITY.
WARNING:
erant which operates at 50 to 70% higher pressures than
R-22. Use only R-410A approved service equipment. Re-
frigerant cylinders are painted a "Rose" color to indicate
the type of refrigerant and may contain a "dip" tube to
allow for charging of liquid refrigerant into the system.
All R-410A systems use a POE oil that readily absorbs
moisture from the atmosphere. To limit this "hygroscopic"
action, the system should remain sealed whenever pos-
sible. If a system has been open to the atmosphere for
more than 4 hours, the compressor oil must be replaced.
Never break a vacuum with air and always change the
driers when opening the system for component replace-
ment. For specific handling concerns with R-410A and
POE oil, reference Retrofit Bulletin APB2001-01.
Check for transportation damage after unit is uncrated. Report
promptly, to the carrier, any damage found to the unit.
To determine the electrical power requirements of the unit, refer
to the nameplate of the unit. The electrical power available must
agree with that listed on the nameplate.
© 2007 American Standard Inc. All Rights Reserved
INSTALLER'S GUIDE
Condensing Units
Models:
This information is intended
These units use R-410A refrig-
4A7A5
UNIT CONTAINS R-410A REFRIGERANT!
R-410A OPERATING PRESSURE EXCEEDS THE
LIMIT OF R-22. PROPER SERVICE EQUIPMENT IS
REQUIRED. FAILURE TO USE PROPER SERVICE
TOOLS MAY RESULT IN EQUIPMENT DAMAGE OR
PERSONAL INJURY.
USE ONLY R-410A REFRIGERANT AND
APPROVED POE COMPRESSOR OIL.
1
5 FT. ABOVE UNIT — UNRESTRICTED
B. LOCATION AND PREPARATION OF THE UNIT
1. When removing unit from the pallet, notice the tabs on the
basepan. Remove tabs by cutting with a sharp tool as shown on
page 2, Figure 2, and slide unit off of pallet.
2. The unit should be set on a level support pad at least as large
as the unit base pan, such as a concrete slab.
11-AC24D1-1
CAUTION
!
SERVICE
Since the manufacturer has a policy of continuous product
and product data improvement, it reserves the right to
change design and specifications without notice.