Abbreviations

Frequently used abbre viations in this manual in clude:

CCN Carrier Comfort Network LCDW Leaving Condenser Water
CCW Counterclockwise LCW Leaving Chilled Water
CHW Chilled Water LED Light-Emitting Diode
CHWR Chilled Water Return LID Local Interface Device
CHWS Chi lled Water Supply OLTA Overload T rip Amps
CW Clockwise PIC Product Integrated Control
ECW Entering Chilled Water PSIO Processor Sensor Input/Output Module
ECDW Entering Condenser Water RLA Rated Load Amps
EMS Energy Management System SCR Silicon Control Rectifier
HGBP H ot Gas Bypass SMM Starter Management Modu le
I/O Input/Output TXV Thermostatic Expan sion Valve
LCD Liquid Crystal Display