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R
Fig. 5 Low Pressure Signal Connection
TO FIRE ALARM PANEL
EOLR
Fig. 7 One Conduit Wiring
Break out thin section of divider to provide path for wires when wiring both
switches from one conduit entrance.
Fig. 9 Removing Knockouts
PRINTED IN USA
SUPERVISORY PRESSURE SWITCH
Fig. 6 High Pressure Signal Connection
TO FIRE ALARM PANEL
Fig. 8 Switch Operation
(With normal system pressure)
LOW PRESSURE SWITCH
C
1
C
HIGH PRESSURE SWITCH
C
1
C
MFG. #5400931 - REV G
09/12
PS40
EOLR
Terminal
C: Common
1: Closed when installed under
normal system pressure.
2: Open when installed under
normal system pressure. Closes
on pressure drop. Use for low air
2
signal.
Terminal
1: Open when installed under normal
system pressure. Closes on pressure
increase use for high pressure
indication.
2: Closed under normal system pressure.
2
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