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35Original Instructions
4. Main earth terminal
2. Sealing connection
1. Cable reliefs
2.4 Mains power connection between the DELTABOOSTER
and the supply network (cf. Fig. 5)
All measurements and connections described below should be carried
out by authorized specialists !
1) The DELTABOOSTER should be connected to a three-phase mains supply at the rated
voltage, cf. the model plate. Max. 125 Amp pre-fuses.
2) The connection should be established through a flexible rubber cable with 3 phase cores
and one earth conductor to be led through the sealing connection (2) and into the bottom of
the switchboard through the open angle flange (3). The angle flange is opened by loosening
two nuts. The cable should be connected direct at the main switch S1 and the main earth
terminal (4). When the cable has been properly mounted in the main switch S1, the angle
flange should be closed around the sealing connection (2) and the cable placed in the two
cable reliefs (1).
The cable should be rated to the existing current consumption which has been stamped on
the DELTABOOSTER model plate. It is advisable to apply a cable with a conductor cross
section of minimum 25 in preparation for a later expansion.
3) It is also advisable to take additional precautionary measures to protect the user by installing
a Residual Current Device (RCD) / Ground fault circuit interruptor (GFCI) in the DELTA-
BOOSTER supply line.
4) Finally, check that fuses F1 - F2 and F3 (cf. wiring diagram) have been mounted in the re-
tainers and that the overload cut-out Q1-Q? has been connected and set correctly (cf. C3K
model plate).
5) With an appropriate measuring equipment the connection of earth cables from the outlet of
the fixed installation to a metallic part on the high pressure outlet of the machine should be
checked. The phase conductors of the supply cable should be subjected to a high voltage
test with the main switch in off position.
At Nilfisk-ALTO the DELTABOOSTER has been tested on the above-mentioned items as a
separate machine.
6) The door to the switchboard should be closed and locked. The system is now ready for run-
ning in and function testing.
Fig. 5
3. Angle flange
35


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Others manual(s) of Nilfisk-ALTO DELTABOOSTER

Nilfisk-ALTO DELTABOOSTER Additional guide - English - 1 pages

Nilfisk-ALTO DELTABOOSTER Additional guide - German - 1 pages

Nilfisk-ALTO DELTABOOSTER User Manual - German - 56 pages

Nilfisk-ALTO DELTABOOSTER User Manual - Dutch - 62 pages

Nilfisk-ALTO DELTABOOSTER Additional guide - French - 1 pages

Nilfisk-ALTO DELTABOOSTER User Manual - French - 57 pages


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