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Submerged unit .......................................................................................................................................... 26
5.2.2
Rotation sense check (three-phase motors) .................................................................................................. 26
5.3
Wrong rotation direction ........................................................................................................................... 26
5.3.1
Stopping ......................................................................................................................................................... 26
5.4
Maintenance ............................................................................................................................................................ 27
6
Precautions ..................................................................................................................................................... 27
6.1
Surface unit maintenance .............................................................................................................................. 27
6.2
Submerged unit maintenance ....................................................................................................................... 28
6.3
Long periods of inactivity ............................................................................................................................... 28
6.4
Spare parts ordering ...................................................................................................................................... 28
6.5
Troubleshooting...................................................................................................................................................... 29
7
Precautions ..................................................................................................................................................... 29
7.1
The unit does not start ................................................................................................................................... 29
7.2
There is little or no flow rate and pressure .................................................................................................... 30
7.3
The unit starts too frequently (automatic start/stop) .................................................................................... 30
7.4
The unit never stops (automatic start/stop) .................................................................................................. 31
7.5
The differential protection device (RCD) is activated ................................................................................... 31
7.6
The unit stops and starts cyclically, single-phase version ............................................................................ 31
7.7
The motor protector in the panel has tripped, three-phase version ........................................................... 32
7.8
The unit produces excessive noise and/or vibrations .................................................................................. 32
7.9
The frequency converter is in error mode or turned off ............................................................................... 32
7.10
Technical Information ............................................................................................................................................. 33
8
Operating environment ................................................................................................................................. 33
8.1
Maximum head ............................................................................................................................................... 33
8.2
Maximum operating pressure PN.................................................................................................................. 34
8.3
Maximum number of starts per hour ............................................................................................................. 34
8.4
Mechanical characteristics ............................................................................................................................. 34
8.5
Electrical specifications .................................................................................................................................. 35
8.6
Sound pressure .............................................................................................................................................. 35
8.7
Materials in contact with the liquid ............................................................................................................... 35
8.8
Disposal ................................................................................................................................................................... 36
9
Precautions ..................................................................................................................................................... 36
9.1
WEEE 2012/19/EU (50 Hz) ............................................................................................................................ 36
9.2
Declarations ........................................................................................................................................................ 37
10
EC Declaration of Conformity (Original) ....................................................................................................... 37
10.1
EU Declaration of Conformity (n. 36) ............................................................................................................ 38
10.2
Warranty ............................................................................................................................................................. 39
11
Information ..................................................................................................................................................... 39
11.1
SCUBA DRY - Additional Installation, Operation and Maintenance Instructions
en - Original Instructions
3
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