Glossary

ACTUATOR - a device that creates automatic motion by converting various forms of energy to rotary or linear mechanical energy.

ALARM - routing/filtering - users can specify critical alarms on an area/controller or level basis.

ALGORITHMS - routines to deal with particular situation, ie: a controller formula to correct an element in a continuous process.

BACNET - a data communications protocol for building automation and control networks. It is an ASHRAE, ANSI and ISO standard protocol.

BAS - building automated systems

BUS - communicating cabling connects all elements CCN systems.

CAD - computer aided design

CARRIER COMFORT NETWORK - provides internet/intranet/dial-up connection via a standard web browser, or dial-up to a modem to access a database offsite

CARRIER COMFORT CONTROLLER - microprocessor-based control module that provides all of the features necessary for complete stand alone or network control of each piece of equipment, ideal for networking cooling towers, boilers and pumps.

CARRIER COMFORTVIEW - provides superior screen graphics and point and click control 95/98/ME operating systems.

CARRIER COMFORTWORKS - the main user interface for CCN; combining superior screen graphics with the multi-tasking/multi capabilities of the Microsoft Windows N/2000 operating system.

CARRIER 3V CONTROL SYSTEM - integrates electronically communicating DDC controls with HVAC equipment. It continually monitors and satisfies the varying comfort requirement in one's building.

CARRIER iVu - web based building automation control system provides one access to view, monitor and adjust controls from anywhere on the globe. iVu is compact and fully compatible with all CCN systems.

CCN WEB - provides internet/intranet/dial-up connection via a standard web browser to the Carrier Comfort Network.

CFM - cubic feet per minute

CHILLERVISION SYSTEM - provides coordinated energy savings control for the centrifugal chiller, or the entire chilled water plant.

COMFORT LINK - self diagnostic control package found in Carrier's high efficiency rooftop units.

DAISY CHAINED - interconnection of computer devices.

DATA BASE - lists of equipment found on a network buss.

DATA COLLECTION TRANSFER - collects and stores usage, run-time and historical data. All data can be retrieved manually or automatically for use in management report or trouble-shooting.

DCV - demand controlled ventilation

DDC - direct digital control

ENERGY MANAGEMENT - the process of matching supply and demand across the portfolio of a market participant's activities.

ETHERNET - a popular standard (or protocol) for linking computers into a local area network.

I.A.Q. - indoor air quality

INTRANET - a corporate network that uses an IP network structure, together with web servers and browsers.

LAN - local area network

LOAD-SHEDDING - normally used in large, industrial, commercial and utility operations, load-shedding monitors electric usage continuously (usually by automated instrumentation) and shutting down pre-arranged electric loads or devices if a certain upper threshold of electric usage has been approached.

LON - to facilitate the need to integrate multiple system components using a common system.

MOD-BUS - a serial communication protocol. Mod bus allows for communications between many devices connected to the same network.

PASSWORD SYSTEM - prevents unauthorized access to the system by specifying custom levels of access.

PERFECT VACUUM - the absolute absence of any pressure, even atmospheric

PIC - product integrated controls

PREMIER LINK - an intelligent hvac controls device that continuously monitors and regulates unit operation with reliability and precision, also CCN compatible device.

PSIO - processor sensor input/output module

REMOTE ACCESS - ability to gain access to a computer or network from a remote distance.

SETPOINT TEMPERATURE - desired temperature set into a control system for comfort levels.

SOFTWARE ACCESS KEY - a device that allows one access to the software problem

STAGING - controlling devices in steps

VAV - variable air volume- VAV boxes provide constant or variable air depending on the temperature demands of the space. As the temperature rises the VAV damper opens to send a designed amount of airflow to the room.

VVT - variable volume and temperature- provides and effective balance between flexible zone comfort, diverse system application requirements and efficient high performance.

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