R-20 SM
2.3. Initial Start-up - The Control Valve
1.
Make sure that the upstream and the downstream isolation valves are closed [
2
] and [
2
A].
2.
Slowly open the upstream isolation valve [
2
].
3.
Check for leaks; tighten bolts & fittings, if necessary.
4.
Turn the
3
-way selector [
3
] to its “AUTO” position.
5.
Slightly open the downstream isolation valve [
2
A]
6.
Turn adjusting screw [
4
B] counter-clockwise one turn at a time, allowing sometime between turns for the valve to
respond until the upstream pressure reaches the required level, water starts to flow to the pipeline.
7.
Gradually continue to open the downstream isolation valve [
2
A], until it is fully opened.
Important note:
In case of high upstream pressure,
carefully monitor the downstream
pressure while opening the downstream
isolation valve; make sure not to expose
the pipeline to excessive pressure.
Summary of Contents for Eliptix R-20-SM 3W
Page 14: ...R 20 SM 6 DIMENSIONAL DRAWING...
