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SMC Series Chillers Page 7
1 General Information
1-1 Introduction
Sterling, Inc.'s SMC 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 SMC 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 Sterling, Inc.'s SMC 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 Sterling,
Inc. SMC 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 Sterling, Inc.
SMC Series Chiller models are designated by approximate compressor horsepower. A
SMC050 chiller has a 1/2 hp (373 W) compressor, a SMC100 chiller has a 1 hp (746
W) compressor, and a SMC150 chiller has a 1-1/2 hp (1,118 W) compressor.