Simplex, Inc., 5300 Rising Moon Road, Springfi eld, IL 62711-6228 • 217-483-1600 • Fax 217-483-1616
SPump6-HMI.indd (7/11) • © 2011 Simplex, Inc. All Rights Reserved. • Printed in the USA. • www.simplexdirect.com
FUEL SUPPLY SYSTEM MANUAL with Touchscreen • SmartPump • page 16 of 22
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APPENDIX A - ABBREVIATIONS USED IN THIS MANUAL
Listed below are abbreviations of terms found on Fuel Supply Systems. When fol-
lowing a drawing utilize this guide to defi ne abbreviated system and component
names. As this is a master list, drawings and text pertaining to your equipment may
not contain all these terms.
AC-Alternating Current
AHR-Alarm Horn Relay
AR-Alarm Horn
BPRV-Back Pressure Regulating
Valve
BRK-Motor/Pump Bracket
BV-Ball Valve
C-Contactor
CB-Ciruit Breaker
CSR-Check Strainer Relay
CV-Check Valve
DC-Direct Current
DPDT-Double Pole Double Throw
F-Fuse
FLS-Flowswitch
FS-Floatswitch
FSR-Simplex Fuel Strainer
GA-Gauge
GAL-Gallons
GPM-Gallons Per Minute
HFL-High Fuel Level Relay
HG-Mercury
HP-Horsepower
HZ-Hertz
I.D.-Inside Diameter
JB-Junction Box
Hz-Hertz
INHG-Inches of Mercury
L-Lamp
L.E.D.-Light Emitting Diode
LAFD-Los Angeles Fire Department
LFF-Loss of FLow Relay
LFL-Low Fuel Level Relay
LPR-Low Pressure Relay
MDB-Main Distribution Block
MDS-Main Disconnect Switch
MOT-Motor
N.C.-Normally Closed
NEC-National Electric Code
NEMA-National Electric
Manufacturers Association
NFPA-National Fire Protection As-
sociation
N.O.-Normally Open
NP-Nameplate
NPT-National Pipe Thread
O.D.-Outside Diameter
OLR-Over Load Relay
OPT-Option
PCB-Printed Circuit Board
PCRX-Pump Control Relays
PG-Pressure Gauge
PLR-Pipe Leak Relay
PRV-Pressure Relief Valve
PS-Pressure Switch
PSI-Pounds Per Square Inch
PSR-Pressure Switch Relay
PRR-Pump Running Relay
SC-Swing Check Valve
SOL-Solenoid
SST-Simplex Super Tank
TB-Terminal Block
T-Control Transformer
TDR-Time Delay Relay
TEFC-Totally Enclosed, Fan Cooled
THR-Tank Heater Control Relay
TS-Transducer Pressure Switch
V-Voltage
VAC-Voltage, Alternating Current
VDC-Voltage, Direct Current
VG-Vacuum Gauge
