Unigas LX60, Руководство по установке, использованию и обслуживанию

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PART IV: MAINTENANCE
34
Removing the filter in the MULTIBLOC DUNGS MB-DLE 405..412
z
Check the filter at least once a year!
z
Change the filter if the pressure difference between pressure connection 1 and 3 (Fig. 25-Fig. 26)is
Δ
p > 10 mbar.
z
Change the filter if the pressure difference between pressure connection 1 and 3 (Fig. 25-Fig. 26) 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. 27.
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.
Removing the filter in the MULTIBLOC DUNGS MB-DLE 415 - 420 B01 1” 1/2 - 2”
z
Check the filter at least once a year!
z
Change the filter if the pressure difference between pressure connection 1 and 2 (Fig. 28-Fig. 29)
Δ
p> 10 mbar.
z
Change the filter if the pressure difference between pressure connection 1 and 2 (Fig. 28-Fig. 29) 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 ÷ 6 (Fig. 30).
3 Change filter insert.
4 Re-insert filter housing, screw in screws 1 ÷ 6 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. 25
Fig. 26
Fig. 27