ARI Eliptix R-20 SM Series, Руководство пользователя

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R-20 SM
5. TROUBLESHOOTING
Problem Cause Check Solution
Valve does not open 1. Inlet pressure is too
low 1. Check the inlet
pressure 1. Make sure that the water supply
and/or the pump is on.
Valve does not close
1.
Debris on the sealing
seat
1.
The valve is constantly
discharging to the
downstream a small
amount of water
1.
Switch the 3-way ball valve (
4
) to
its “OPEN” position then switch
the 3-way ball valve (
4 ) back to its
“Auto” position.
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 3-way ball valve
(
4 ) is at “Open”
position.
3.
Check the position of
the
3 -way ball valve
( 4 ).
3.
Switch the 3-way ball valve (
4
) to
its “Auto” position.
4. Blocked pilot 4. Contact A.R.I.'s field service
Unstable upstream
pressure Blocked or damaged
pilot Unstable pressure
upstream of the valve Contact A.R.I.'s field service
Incorrect, stable,
upstream pressure Wrong preset pressure Readjust the upstream pressure as
described in the Initial Set-up chapter
(
2.3 ).