ST-47 Groundhog - Technical Manual
Diagram Appendix
Page 20.
6.4 DWG 61441 – Wiring Diagram – Typical Loading Rack Control
61441 RevB
4 5
TERMINALS
EMERGENCY
SHUTDOWN
SWITCH OR
RELAY
SCULLY CONTROL UNIT'S
OUTPUT CONTACT
CARD READER
PERMISSIVE CONTACTS
SET-STOP METER
VALVE CONTROL
CONTACTS
LOADING VALVE
PILOT CONTROL
SOLENOIDS
SV
SV
HI FLOW
LO FLOW
TO OTHER
SET-STOP
METERS ON
SAME RACK
TO OTHER
LOADING RACK
5A
HOT
NEUT
HI FLOW
LO FLOW
MAINS
POWER
NOTE: WIRING SHOWN IS TYPICAL AND WILL VARY AS MORE OR LESS EQUIPMENT IS EMPLOYED.
PUMP CONTROL CIRCUITS NOT SHOWN. THIS DIAGRAM IS INTENDED TO BE USED ONLY TO
CLARIFY USE OF CONTROL CONTACTS. ALL CONTACTS SHOWN IN NON-PERMISSIVE STATES.
TYPICAL LOADING RACK CONTROL SHOWING PERMISSIVE CONTACTS
IN CIRCUIT TO LOADING VALVES.