Owner manual

Benchmark 1500DF - 2000DF Boilers
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Page 10 of 196 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0098_0A
04/01/2014 Ph.: 800-526-0288 GF-144
Phrases, Abbreviations and Acronyms – Continued
Phrase, Abbreviation or
Acronym
Meaning
SSOV Safety Shut Off Valve
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
uA Microamp (0.000001 amp), one millionth of an amp
VAC Volts, Alternating Current
VDC
Volts, Direct Current
VFD Vacuum Fluorescent Display, or Variable Frequency Drive
W Watt
W.C.
Water Column (W.C.)