FIGURE 4. FIELD WIRING
UL-LISTED
COMPATIBLE
CONTROL PANEL
POWER
24VDC OR
120 VAC
SUGGESTED EOL
RESISTOR
SSM24-X
SSV120-X
NOTE: COMMON AND B-NO
CONNECTIONS WILL CLOSE
WHEN VANE IS DEFECTED,
I.E.,WHEN WATER IS FLOWING.
DUAL SWITCHES PERMIT
APPLICATIONS TO BE COMBINED
ON A SINGLE DETECTOR.
CONTACT RATINGS
SCHEMATIC OF
INDIVIDUAL
SWITCH IN
“NO WATERFLOW”
CONDITION
A-NC
COM
B-NO
BREAK WIRE AS
SHOWN FOR
SUPERVISION OF
CONNECTION. DO
NOT ALLOW
STRIPPED WIRE
LEADS TO EXTEND
BEYOND SWITCH
HOUSING. DO NOT
LOOP WIRES.
125 / 250 VAC
24 VDC
10 AMPS
2.5 AMPS
INITIATING
LOOP
W0393-02
MAINTENANCE
To prevent accidental water damage, control valves should be shut tightly
and the system completely drained before waterflow detectors are removed
or replaced.
Inspect detectors in accordance with applicable NFPA codes and standards
and/or the authority having jurisdiction for leaks, and replace if leaks occur.
Test detectors at least quarterly as described in Operational Testing to insure
proper operation. Test more often if required by the authority having jurisdic-
tion.
Under normal conditions System Sensor waterflow detectors should provide
years of trouble-free service. However, if the switch enclosure becomes faulty,
request Part No. FS-RT and ensure timer is set to zero. If damage occurs to
paddle, order replacement kit. Refer to procedure below for removal of detec-
tor on pipe. Do not repair or replace any other waterflow detector components
in the field. If any other part of the detector does not perform properly, replace
the entire detector.
Failure to follow this instruction may result in failure of
the detector to report a waterflow condition.
Proceed as follows to remove a detector:
1. Drain the pipe
2. Turn off electrical power to the detector, and then disconnect wiring
3. Unscrew WFDTNRN from tee fitting
FIGURE 5.
GROUND
SCREW
W0383-01
3
I56-4044-004
11-09
