Axi STS 6000-P35, Instruction, Operating, & Maintenance Manual

Page: 19 / 20

APPENDIX A - ABBREVIATIONS USED IN THIS MANUAL
Abbreviations of terms used with STS 6000 Automatic Fuel Filtration Systems. When following a drawing
utilize this guide to define abbreviated system and component names. This is a master list. The drawings
and text pertaining to your equipment may not contain all these terms.
AC Alternating Current
AHR Alarm Horn Relay
AH Alarm Horn
BPRV Back Pressure Regulating Valve
BRK Motor/Pump Bracket
BV Ball Valve
C Contactor
CB Circuit Breaker
CSR Check Strainer Relay
CV Check Valve
DC Direct Current
DPDT Double Pole Double Throw
F Fuse
FLWS Flow switch
FS Float switch
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
“ HG Inches of Mercury
L Lamp
L.E.D. Light Emitting Diode
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 Assoc.
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
PRS Pressure Switch
PS Power Supply
PSI Pounds Per Square Inch
PSR Pressure Switch Relay
PRR Pump Running Relay
SC Swing Check Valve
SOL Solenoid
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