DAB NOVA UP 180MA-MNA Instruções de instalação e manutenção - Página 11

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a) MA

Figure 7

Level On

(cm)

NOVA UP MA

300-180

NOVA UP MA

600

Difference

Level Off

ON-OFF

(cm)

b) MNA - MNA-X

Figure 8

9. PRECAUTIONS

• RISK OF FROST: when the pump remains inactive at a tempe-

rature lower than 0°C, it is necessary to ensure that there is no

water residue which could freeze, causing cracks in the plastic

parts.

• If the pump has been used with substances that tend to form

a deposit, rinse it after use with a powerful jet of water in order

to avoid the formation of deposits or encrustations which would

reduce the characteristics of the pump.

• Ensure that the float switch does not touch the walls of the trap

during operation.

• Ensure that the OFF level is not too close to the suction grid,

minimum height below the filter 60/70mm.

ENGLISH