Nilfisk-ALTO 7309021 user manual Model survey and main functions, Deltabooster switchboard

Models: 7309021

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1.1Model survey and main functions

The DELTABOOSTER comprises 4 different modules:

1.A switchboard

2.A water tank

3.KEW Technology C3K pumps

4.Cabinet / frame

The DELTABOOSTER is made of stainless materials through and through.

DELTABOOSTER switchboard

The switchboard comprises:

-main (emergency) switch, to which the supply cable is connected

-control switch 24V AC

-push-button switch for starting up

-maximum current breaker (short circuit and overload) for each pump

-contactors for connection of 3 or 6 pumps.

The switchboard also incorporates an electronic control that monitors the operation of the system; i.e. a) selection at any time of required pump capacity; b) even distribution of load on individual pumps; c) mixing of desired temperature of water drawn from a cold water and a hot water supply and d) the indication of status/fault on a control panel.

It also incorporates hour meters to show hours of operation of each individual pump.

The switchboard has been prepared for connection of 6-pumps:

or for connection of 3-pumps:

(4, 5, and 6 pump plants) (2 and 3 pump plants)

The switchboard which on delivery controls 3 pumps may later be expanded to control 6-pumps.

The DELTABOOSTER is available for the following voltages:

3 x 230V

50 and 60 Hz + earth (PE)

3 x 346-400V,

50 and 60 Hz + earth (PE)

3 x 415-440V,

50 and 60 Hz + earth (PE)

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Nilfisk-ALTO 7309021 user manual Model survey and main functions, Deltabooster switchboard