9
INSTRUCTION AND MAINTENANCE MANUAL
air is used to loosen and fluff up the sand bed, to achieve more efficient cleaning.
This saves on the amount of water used during cleaning.
3.3. RINSE
The valve manifolds must be placed in the following position:
Carry out this operation after cleaning, to eliminate any remaining traces of dirt
that may have been able to get into the collectors during cleaning. Operation time:
3 minutes.
3.4. CLOSED
The valve manifolds must be placed in the following position:
During all maintenance operations, all of the valves must be closed.
VALVE
POSITION
1
OPEN
2
CLOSE
3
CLOSE
4
OPEN
5
CLOSE
RINSE
EXTERNAL VIEW
TO DRAIN
FROM PUMP
INTERNAL VIEW
1
2
3
4
5
VALVE
POSITION
1
CLOSE
2
CLOSE
3
CLOSE
4
CLOSE
5
CLOSE
CLOSED
1
2
3
4
5
