Glossary Of Terms - Rinnai RCE-460PTR Service Manual

Glossary of Terms

This glossary of terms and symbols is provided to assist you in understanding some of the language
used throughout this manual.
dB(A) - sound pressure level in decibels, "A" range
DC - direct current
AC - alternating current
Hz - Hertz
IC - integrated circuit
kcal/h - kilocalorie per hour
kPa - kilopascals
LED - light emitting diode
mA - milliamps
MJ/h - megajoule per hour
mm - millimetres
OHS - overheat switch
PCB - printed circuit board
CPU - central processing unit
POT - potentiometer
rpm - revolutions per minute
SV - solenoid valve
ø - diameter
∆
C -
°
temperature rise above ambient
POV - modulating valve
TH - thermistor
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