Watts Aerco INN 1060N - Page 8

Innovation - Edge [i] Installation, Operation, Maintenance Manual
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Phrases, abbreviations and acronyms used in this manual are listed in the following table:
AERCO Technical Terminology Meanings
TERMINOLOGY
MEANING
A (Amp)
Ampere
ADDR
Address
AGND
Analog Ground
ALRM
Alarm
ANSI
American National Standards Institute
ASME
American Society of Mechanical Engineers
AUX
Auxiliary
BAS
Building Automation System, often used interchangeably with EMS
(see below)
Baud Rate
Symbol rate, or simply the number of distinct symbol changes
(signaling events) transmitted per second. It is not equal to bits per
second, unless each symbol is 1 bit long.
BLDG (Bldg)
Building
BTU
British Thermal Unit. A unit of energy approximately equal to the heat
required to raise 1 pound (0.45 kg) of water 1° F (0.55 ° C).
BTU/Hr.
BTUs per Hour (1 BTU/Hr. = 0.29 W)
Edge Controller
A control system developed by AERCO and used in all Benchmark,
Innovation and KC1000 Series product lines.
CO
Carbon Monoxide
COMM (Comm)
Communication
Cal.
Calibration
CNTL
Control
CPU
Central Processing Unit
DBB
Double Block and Bleed, a gas trains containing 2 Safety Shutoff
Valves (SSOVs) and a solenoid operated vent valve.
DIP
Dual In-Line Package, a type of switch
EMS
Energy Management System; often used interchangeably with BAS
FM
Factory Mutual. Used to define gas trains.
FRU
Field Replacement Unit
GF-xxxx
Gas Fired (an AERCO document numbering system)
GND
Ground
GPH
Gallons per Hour
HX
Heat Exchanger
Hz
Hertz (Cycles Per Second)
I.D.
Inside Diameter
IGN
Ignition
IGST Board
Ignition/Stepper Board, contained in Edge Controller