©2025 Copeland LP.
026-1803 R13 Supervisor I&O User Guide 7 - 13
7.2.19 Copeland Discus with
CoreSense Diagnostics (ISD)
The Intelligent Store Discus™ product line is now available on
2D, 3D, 4D and 6D compressors and integrates a number of
important sensing and compressor protection functions. This
product provides for on/off control of the compressor,
capacity modulation (both conventional blocked suction and
with Copeland Discus Digital® capacity modulation) and for
communication of the compressor status to the rack
controller through a network using MODBUS for Intelligent
Store communication protocol. Protection against low oil
pressure, excessive discharge protection, high discharge
pressure and low suction pressure is standard on every
Intelligent Store Discus compressor. A 2-line liquid crystal
display on the front of the compressor with a choice of five
languages. An LED on the compressor control module
indicates at a glance whether or not there are any
compressor faults.
7.2.20 Copeland Discus with
CoreSense Protection
The Discus application can monitor semi-hermetic
compressors using the MODBUS network. The
Supervisory Controller monitors and records semi-hermetic
compressor information. The Discus application has
extensive logging capabilities that record a compressor’s Run
History, Fault History, and Alarm Status.
7.2.21 Copeland Scroll – K5
Refrigeration Compressor
The Copeland Scroll — K5 Refrigeration Compressor (Lrg Ref
Scroll) application can monitor large type compressors using
the MODBUS network. The Supervisory Controller monitors
and records compressor information, configuration setup,
status display, and alarm handling. The Copeland Scroll —
K5 Refrigeration Compressor will be associated with the
Suction Group from the Compressor Associations screen.
Figure 7-22 - Copeland Discus Compressor
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