PCA Series Chillers
Page 7
1
General Information
1-1 Introduction
AEC, Inc.'s PCA Series Water Chillers are reliable, accurate, and easy-to-use air cooled
chillers designed for use with water/glycol. Standard range of operation is 30
°
F (-1°C)
to 65
°
F (18°C) for applications using glycol and 45ºF (7ºC) to 65
°
F (18°C) for water-
only applications. A crankcase pressure regulating valve option is available for
processes requiring a leaving water temperature of up to 75°F (24°C). PCA models are
available in 1/2 hp (373 W), 1 hp (746 W), and 1-1/2 hp (1,118 W) models and have an
internal six gallon (23 liter) reservoir. All models are self contained, fully assembled,
and shipped ready to use.
A properly installed, operated, and maintained PCA Series Chiller will provide many
years of reliable operation. To get the most satisfaction from your new chiller, read and
follow the instructions in this manual.
1-2 Necessary
Documents
The following documents are necessary for the operation, installation and maintenance
of AEC, Inc.'s PCA Series Chillers. Additional copies are available from AEC, Inc.
Familiarize the appropriate personnel with these documents:
;
This manual.
;
The electrical schematic and connection diagram mounted inside the control
enclosure. Typical schematics for general reference are provided in Figure 15 and
Figure 16 on pages 34 and 35.
;
The operation and installation manuals for installed accessories and options.
;
The Customer Parts List included in the information packet.
1-3 Models
Covered
This manual provides operation, installation, and maintenance instructions for AEC,
Inc. PCA Series Chillers.
Model numbers are on the serial tag. Please know the model number, serial number and
operating voltage of your chiller if you need to contact AEC, Inc.
PCA Series Chiller models are designated by approximate compressor horsepower. A
PCA050
chiller has a 1/2 hp (373 W) compressor, a
PCA100
chiller has a 1 hp (746
W) compressor, and a
PCA150
chiller has a 1-1/2 hp (1,118 W) compressor.
