M&M
R
EFRIGERATION
I
NC
. 1-1
CHAPTER 1
CCS Introduction
The Compressor Control System (CCS) is an advanced microprocessor-
based control system designed for efficient and automatic control and mon-
itoring of industrial refrigeration systems including screw compressors. The
controller is composed of a microprocessor board, Input/Output boards, a
keypad, and a Liquid Crystal Display (LCD). The system uses the LCD to
present screens to the operator for information review and control.
The Screw Compressor User’s Manual provides the operator with the basic
information needed to configure and operate the compressor. The manual
is divided into several sections beginning with the General Operating Over-
view which contains system definitions, keypad functions, main LCD screen
layout, screen type designations, and generic alarm & failure information.
The remaining sections of the manual cover the control functions required
for operation of the compressor and detailed descriptions of the display
screens found in the system. Also included are appendices covering stan-
dard communications protocols, hardware channel assignments, and alarm
descriptions.
Associated Documents
Familiarity with the following M&M documents is recommended:
• CCS Sequencer Control
Applicable Compressor Models
This document covers the M&M RWB Compressor retrofit.
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