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1.0 INTRODUCTION
This manual is prepared to provide all the necessary information of
installation, operation and maintenance of the latest generation of
Dunham-Bush air-cooled chillers with scroll compressors.
In order to be able to make full use of the manual, you must first determine
your unit model number from the unit name plate.
Dunham-Bush package has been manufactured under a stringent quality
control system. Each packaged chiller is performance tested at the factory
at the specified field operating conditions as a final verification of reliability.
If the package is installed, operated and maintained with care and attention
to the instructions contained here in, it will yield many years of satisfactory
service.
It is assumed that the reader of this manual and those who install, operate
and maintain the equipment have a basic understanding of the principles of
air conditioning, refrigeration and electrical controls.
TABLE 1.1 PRODUCTION IDENTIFICATION
AC D S 030 - AR G S
Air Cooled Packaged Chiller
S- Standard Fan
F- Low Noise Fan
V- Compressor Jacket
M- Low Noise Fan &
Compressor Jacket
AN- 208-230V/3pH/60Hz
AR- 460V/3pH/60Hz
Scroll Compressor
Direct Expansion Evaporator
R410A
Nominal Capacity in Tons
(ARI Condition)
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