AERCO RECON 1000 - Manual (Page 10)

RECON Water Heaters Installation, Operation & Maintenance Manual
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Page 10 of 178 AERCO International, Inc.  100 Oritani Dr.  Blauvelt, NY 10913 OMM-0103_0A
PRI: 10/28/2014 Phone: 800-526-0288 GF-147
Phrases, Abbreviations and Acronyms – Continued
Phrase, Abbreviation
or Acronym
Meaning
I/O Box
Input/Output (I/O) Box currently used on Benchmark, RECON and
KC1000 Series products
IP Internet Protocol
IRI
Industrial Risk Insurers. Used 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
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 RS232 networks)
REF (Ref) Reference
RES. Resistive
RS232
(or EIA-232)
A standard for serial, full-duplex (FDX) transmission of data based
on the RS232 Standard
RS422
(or EIA-422) A standard for serial, full-duplex (FDX) transmission of data based
on the RS422 Standard
RS485
(or EIA-485) A standard for serial, half-duplex (HDX) transmission of data based
on the RS485 Standard
RTN (Rtn) Return
SETPT (Setpt) Setpoint Temperature
SHLD (Shld) Shield
SSD Slave to Slave programming
SSOV Safety Shut Off Valve
SV
Sequencing Valve (Used with Water Heater Management (WHM)
system)
TEMP (Temp) Temperature