Potter Releasing Systems - Manual (Page 72)

72
MFG. #5400979 - REV S
5/09
PRINTED IN USA PAGE 4 OF 4
OSYSU-1,-2
OUTSIDE SCREW AND YOKE
VALVE SUPERVISORY SWITCH
TYPICAL SWITCH ACTION
Contacts shown in normal (valve open) condition.
FIG. 3 DIMENSIONS FIG. 4 PARTS
OUTGOING
INCOM
ING
DWG# 923-3
4.75
(12,1CM)
6.19
(15,7CM)
4.75
(12,1CM)
3.62
(9,2CM)
3.00
(7,6CM)
5.88
(15CM)
3.88
(9,9CM)
ROD EXTENDED DWG# 979-5
ROD RETRACTED AND
BREAKAWAY SECTION
REMOVED
.88
(2,2CM)
2.25
(5,7CM)
2.00
(5,1CM)
1.56
(4,0CM)
BREAKING EXCESSIVE ROD
LENGTH
SWITCH TERMINAL
CONNECTIONS
CLAMPING PLATE
TERMINAL
TYPICAL ELECTRICAL CONNECTIONS
CAUTION:
An uninsulated section of a single conductor should
not be looped around the terminal and serve as two
separate connections. The wire must be severed,
thereby providing supervision of the connection
in the event that the wire becomes dislodged from
under the terminal.
LOCAL CIRCUIT
TO POWER FOR
INDICATING DEVICE
TO SUPERVISORY CIRCUIT
OF CONTROL PANEL
COM.
COM.
N.O.
N.C. INDICATING
DEVICE
N.O.
N.C.
END OF
LINE
RESISTOR
DWG# 979-1
OPEN VALVE
POSITION
COM.
SW #1
COM.
SW #2
DWG# 979-2
CLOSED VALVE
POSITION
N.O.
N.C.
N.O.
N.C.
COM.
SW #1
COM.
SW #2
N.O.
N.C.
N.O.
N.C.
(WHITE) COM
(RED) N.O.
(BLACK) N.C.
KNOCKOUTS FOR
ELECTRICAL
CONNECTIONS
GROUND SCREW
TRIP ROD
LOCKING SCREW
TRIP ROD
DWG# 979-6
COVER TAMPER
SWITCH (OPTIONAL)