If the update is unsuccessful, the Esybox Mini you were trying to update will restart with the previous software version, so you can repeat the operation.

9. PARTICULAR INSTALLATIONS

9.1 - Inhibiting self-priming

The product is made and supplied with the capacity of being self-priming. With reference to

par. 2.1.2, the system is able to prime and therefore operate in whatever installation

configuration chosen: below head or above head. However there are cases in which the self-

priming capacity is not necessary, or areas where it is forbidden to use self-priming pumps.

During priming the pump obliges part of the water already under pressure to return to the

suction part until a pressure value is reached at delivery whereby the system can be considered

primed. At this point the recirculating channel closes automatically. This phase is repeated each

time the pump is switched on, even already primed, until the same pressure value that closes

the recirculating channel is reached (about 1 bar).

When the water arrives at the system intake already under pressure (maximum allowed 2 bar)

or when the installation is always below head, it is possible (and mandatory where local

regulations require it) to force the closure of the recirculating pipe, losing the self-priming

capacity. This obtains the advantage of eliminating the clicking noise of the pipe shutter each

time the system is switched on. To force closure of the self-priming pipe, proceed as follows:

1. Disconnect the power supply;

2. empty the system (unless you decide to inhibit self-priming at the first installation);

3. remove the drainage cap on Face E, taking care not to drop the O-Ring (Fig.19);

4. with the aid of pliers take the shutter out of its seat. The shutter will be extracted together

with the O-Ring and the metal spring with which it is assembled;

5. remove the spring from the shutter; insert the shutter in its seat again with the respective

O-Ring (side with gasket towards the inside of the pump, stem with cross-shaped fins

towards the outside);

6. screw on the cap after having positioned the metal spring in side so that it is compressed

between the cap itself and the with cross-shaped fins of the shutter stem. When

repositioning the cap ensure that the respective O-Ring is always correctly in its seat;

7. fill the pump, connect the power supply, start the system.

ENGLISH

Button to start the update

Figure 19

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DAB esybox mini3 Instructies Voor Installatie En Onderhoud pagina 70

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