Nilfisk-ALTO DELTABOOSTER 7309021 - Manual (Page 6)

6
1.1 Model 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: (4, 5, and 6 pump plants)
or for connection of 3-pumps: (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)