Nilfisk-ALTO DELTABOOSTER 7309021 - Manual (Page 34)

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filter
2 1
2.3 Connection of inlet water
The water tank is provided with two 1" water inlets:
Inlet 1 for cold water (BLUE marking)
Inlet
2
for hot water (RED marking)
Fig. 3
Water is connected at the inlet sockets of the system by means of two 1" flexible hose con-
nectors.
Shut-off cocks should be mounted right next to the sockets on the supply lines.
If the water contains running sand or other impurities external filters should be mounted in ad-
dition to the internal filters.
2.3.1 Control of filter in water tank
Check that the filter in the water tank has been correctly mounted.
Fig. 4