20
11.
Open the alarm line ball valve.
12.
Verify that the valve’s intermediate chamber is dry.
No water should flow from the drip check.
13.
Notify the authority having jurisdiction, remote sta-
tion alarm monitors, and those in the affected area that
the valve is back in service.
14.
Provide test results to the authority having jurisdic-
tion, if required.
Water Level and Low-Air Alarm Tests
Perform the water level and low-air alarm tests on a fre-
quency required by the current NFPA-25 code. The
authority having jurisdiction in your area may require that
you perform these tests on a more frequent basis. Verify
these requirements by contacting the authority having
jurisdiction in the affected area.
1.
Notify the authority having jurisdiction, remote station
alarm monitors, and those in the affected area that the
water level and low-air alarm tests will be performed.
2
. If the valve is equipped with a Series 746 Dry Accelera-
tor, close the isolation ball valve.
3.
Open the water supply main drain valve fully to flush
the water supply of any contaminants.
4.
Close the water supply main drain valve.
NOTICE
• Be sure to notify the authority having jurisdiction that these tests are in progress.
Failure to close the isolation ball valve of the Series 746 Dry Accelerator may
cause the valve to trip, resulting in a false alarm.
Alarm Line
Ball Valve
Drip
Check
Accelerator
Isolation
Ball Valve
Water Supply
Main Drain
Valve
Water Supply
Main Drain
Valve
DISCONTINUED
PRODUCT