Simplex, Inc., 5300 Rising Moon Road, Spring
fi
eld, IL 62711-6228 • 217-483-1600 • Fax 217-483-1616
Lbdman8p.indd (04/11) • © 2011 Simplex, Inc. All Rights Reserved. • Printed in the USA. • www.simplexdirect.com
LOAD BANK MANUAL • LBD Series • page 11 of 16
PF
- Power factor-In resistive
only loads expressed as
Unity(1.0), in inductive loads
expressed as lagging, in
capacitive loads expressed as
leading
PLC
- Programmable Logic
Controller
PT
- Potential Transformer
PAR
- Control power available
relay-Relay energized when
control power is available
PFM
- Power factor meter
PS
- Pressure switch-Normally
closed switch used to detect
fan failure
PSI
- Pounds per square inch
PSR
- Pump Start Relay
RML
- Remote Master Load
Relay
RR
- Run relay
RS
- Remote Load Step Relay
RTM
- Running time meter-
Keeps time log of equipment
use.
TB
- Terminal block
TD-0
- Time Delay Timer-Delay
on operate
TD-R
- Time Delay Timer-
Delay on release
TDR-0
- Time Delay Relay-
Delay on operate
TDR-R
- Time Delay Relay-
Delay on release
TEFC
- Totally enclosed,
fan cooled-Refers to motor
enclosure
TEAO
- Totally enclosed, air-
over-Refers to motor enclosure
UPS
- Uninterruptable power
source
V
- Voltage
VO
- Valve Operator
VOR
- Valve Operator Relay
VSR
- Voltage sensing relay
WFS
- Water Flow Switch
WPS
- Water Pressure Switch
WTS
- Water Temperature
Switch
XCB
- Reactive load controlling
circuit breaker