AERCO Innovation (G-14-2265 and above) - Manual (Page 10)

Innovation Water Heaters Installation, Operation & Maintenance Manual
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206 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
OMM-0078_0L
PRI: 11/25/2014
Phone: 800-526-0288
GF-128
PHRASES, ABBREVIATIONS AND ACRONYMS – Continued
Phrase, Abbreviation
or Acronym
Meaning
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
Terminating Resistor A resistor placed at each end of a daisy-chain or multi-drop network in
order to prevent reflections that may cause invalid data in the
communication