R-30 Y
8A
8
9
5
2.3. Initial Start-up - The Control Valve
1.
Make sure that the upstream and the downstream isolation valves are closed; [
8
] and [
8
A].
2.
Make sure that the 2-way outlet ball valve [
2
A] is closed.
3.
Gradually open the upstream isolation valve [
8
].
4.
Check for leaks; tighten bolts & fittings, if necessary.
5.
Gradually open the downstream isolation valve [
8
A]
6.
For automatic operation of the level control valve, open the
2
-way ball valves [
2
] and [
2
A].
7.
To manually close the valve, close the outlet
2
-way ball valve [
2
A] and make sure that the inlet
2
-way ball valve [
2
]
is open.
8.
To manually open the valve, close the inlet
2
-way ball valve [
2
] and make sure that the outlet
2
-way ball valve [
2A
]
is open.
Important: when the inlet
2
-way ball valve [
2
] is closed, the valve stays open regardless of the reservoir water level!
