AERCO BMK 6000 Dual Fuel - Manual (Page 9)

Benchmark 6000 DF Installation, Operation & Maintenance Manual
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OMM-0096_0B AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 9 of 219
GF-141
Ph.: 800-526-0288
03/21/2014
Phrases, Abbreviations and Acronyms - Continued
Phrase, Abbreviation
or Acronym
Meaning
IGST Board Ignition/Stepper Board contained in C-More Control Box
INTLK (INTL’K) Interlock
I/O Input/Output
I/O Box Input/Output (I/O) Box currently used on Benchmark, Innovation and
KC1000 Series products
IP Internet Protocol
IRI Industrial Risk Insurers. A now discontinued code u sed to define gas
trains containing two SSOVs and a solenoid operated vent valve.
ISO Isolated
LED Light Emitting Diode
LN Low NOx
MA (mA) Milliampere (1 thousand th of an ampere)
MAX (Max) Maximum
MBH Thousand BTUs per Hour
MIN (Min) Minimum
Modbus® A serial, half-duplex data transmission protocol developed by AEG
Modicon
NC (N.C.) Normally Closed
NO (N.O.) Normally Open
NOx Nitrogen Oxide
NPT National Pipe Thread
O2 Oxygen
O.D. Outside Diameter
PMC Board A Primary Micro-Controller (PMC) board is contained in the C-More
Control Box used on all Benchmark units.
PPM Parts Per Million
PTP Point-to-Point (usually over RS-232 networks)
PWM Pulse Width Modulation
REF (Ref) Reference
RES. Resistive
RS232
(or EIA-232) A standard for serial, full-duplex (FDX) transmission of data based on
the RS-232 Standard
RS422
(or EIA-422) A standard for serial, full-duplex (FDX) transmission of data based on
the RS-422 Standard
RS485
(or EIA-485) A standard for serial, half-duplex (HDX) transmission of data based on
the RS-485 Standard