Nilfisk Alto 7309021 User Manual

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filter
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2.3  Connection of inlet water
The water tank is provided with two 1" water inlets:
 
Inlet 
for cold water (BLUE marking)
 
Inlet 
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