Unigas E115X-FGR M Series, Manual Of Installation - Use - Maintenance

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PART IV: MAINTENANCE
37
Removing the filter in the MULTIBLOC DUNGS MB-DLE 405..412

Check the filter at least once a year!

Change the filter if the pressure difference between pressure connection 1 and 3 (Fig. 10-Fig. 11)is

p > 10 mbar.

Change the filter if the pressure difference between pressure connection 1 and 3 (Fig. 10-Fig. 11) is twice as high compared to the last
check.
You can change the filter without removing the fitting.
1
Interrupt the gas supply closing the on-off valve.
2 Remove screws 1 ÷ 4 using the Allen key n. 3 and remove filter cover 5 in Fig. 12.
3 Remove the filter 6 and replace with a new one.
4 Replace filter cover 5 and tighten screws 1 ÷ 4 without using any force and fasten.
5 Perform leakage and functional test, p
max.
= 360 mbar.
6 Pay attention that dirt does not fall inside the valve.
Fig. 10
Fig. 11
Fig. 12