Shut Down & Draining Procedures; Shut Down Procedure; Drainage Procedure - Uvar UDI 6Matic 706M002 Maintenance Manual

Maintenance Manual - 6Matic.
8 - SHUT DOWN & DRAINING PROCEDURES

8.1 - Shut down procedure

NOTE: Before shutting down or draining the filter, perform two cycles of manual flush, verify that head
loss on the filter does not exceed 0.1 - 0.2 bar (1.5 - 3.0 psi).
1. Close the isolating valve on the outlet of the filter if equipped.
2. Initiate a manual flushing.
3. Switch off the pump and close the isolating valve on the inlet of the filter
4. Initiate an additional manual flushing cycle to relieve the pressure in the filter, or open the manual
drain valve (22).

8.2 - Drainage procedure

Prior to accessing the filter internals, it is necessary to drain the filter. Note that uncontrolled draining
of the filter may result in excessive water spillage in the area around the filter.
In order to prevent any damage to surrounding equipment or property it is advised to install a drain
connection to the manual drain valve (22) installed on the filter.
To empty the filter:
1. Perform the shutdown procedure as described in chapter 8.1
2. Reduce pressure to '0'.
3. The air valve will let air into the filter.
4. Open the manual drain valve (22) on the drain line to drain the filter.
UDI 5-3-2020
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