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Benchmark with Edge [I]: Operation-Maintenance Manual
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OMM-0145_A99
• GF-218 • 9/18/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
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AERCO Technical Terminology Meanings
TERMINOLOGY
MEANING
GND
Ground
HDR
Header
Hex
Hexadecimal Number (0
– 9, A – F)
HP
Horse Power
HX
Heat Exchanger
Hz
Hertz (Cycles Per Second)
I.D.
Inside Diameter
IGN
Ignition
IGST Board
Ignition/Stepper Board, contained in Edge [i] Controller
INTLK (INTL’K)
Interlock
I/O
Input/Output
I/O Box
Input/Output (I/O) Box currently used on Benchmark boilers
IP
Internet Protocol
ISO
International Organization for Standardization
Lbs.
Pounds (1 lb. = 0.45 kg)
LED
Light Emitting Diode
LN
Low Nitrogen Oxide
MA (mA)
Milliampere (0.001 Ampere)
MAX (Max)
Maximum
MBH
1000 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
O
2
Oxygen
O.D.
Outside Diameter
OMM, O&M
Operation and Maintenance Manual
onAER
AERCO’s on-line remote monitoring system
PCB
Printed Circuit Board
PMC Board
Primary Micro-Controller (PMC) board, contained in the Edge
P/N
Part Number
POC
Proof of Closure
PPM
Parts per Million
PSI
Pounds per Square Inch (1 PSI = 6.89 kPa)
PTP
Point-to-Point (usually over RS232 networks)