Benchmark Platinum-Edge: Operation-Service Manual
FORWARD
OMM-0137_D • GF-211 • 7/16/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 8 of 146
AERCO Technical Terminology Meanings
TERMINOLOGY MEANING
PPM Parts per Million
PSI Pounds per Square Inch (1 PSI = 6.89 kPa)
PTP Point-to-Point (usually over RS232 networks)
P&T Pressure and Temperature
ProtoNode Hardware interface between BAS and a boiler or water heater
PVC Poly Vinyl Chloride, a common synthetic plastic
PWM Pulse Width Modulation
REF (Ref) Reference
RES. Resistive
RS232
(or EIA-232)
A standard for serial, full-
duplex (FDX) transmission of data based
on the RS232 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
Single Pole Double Throw, a type of switch
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
Tip-N-Tell A device that indicates if a package was tipped during shipping
UL A business that tests and validates products
VAC Volts, Alternating Current
VDC Volts, Direct Current
VFD Variable Frequency Drive
VPS Valve Proving System
W Watt
W.C. Water Column, a unit of pressure (1 W.C. = 249 Pa)
µA Micro amp (1 million
of an ampere)
To Next Page
Loading...
Need help?
General
