W-31 Q
5. TROUBLESHOOTING
Problem
Cause
Check
Solution
Valve does not open
1.
The inlet pressure is
too low
1.
Check the inlet
pressure
1.
Make sure that the water supply
(or the pump) is on.
2.
The preset pressure is
too high
2.
Check the pilot's
adjustment
2.
Turn the adjusting bolt (
4
A)
counterclockwise, one turn at a
time, allowing sometime between
turns for the valve to respond.
Valve does not close
1.
Debris on the sealing
seat
1.
The valve is constantly
discharging a small
amount of water to
the downstream
1.
Close the manometer ball valve (
3
)
for
5
seconds, allowing the valve to
flush. Gradually reopen the
manometer ball valve (
3
).
If the problem continues, turn off
the water supply to the valve,
remove the bonnet and remove
the foreign object.
2.
Diaphragm is
damaged
2.
Turn off the water supply to the
valve, remove the bonnet and
replace the diaphragm
3.
The manometer ball
valve (
3
) is closed.
3.
Check the state of the
manometer valve
(
3
).
3.
Open the manometer valve (
3
).
4.
Blocked pilot
4.
Contact A.R.I.'s field service
Содержание Eliptix W-31 Series
Страница 14: ...W 31 Q 6 DIMENSIONAL DRAWING ...
