Table of Contents
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5.2.3
Starting the booster set ............................................................................................................................... 22
6
Maintenance ........................................................................................................................................................... 24
6.1
Maintenance of the control panel and frequency converters .......................................................................... 24
6.2
Maintenance of the diaphragm pressure tank ................................................................................................. 24
7
Troubleshooting ...................................................................................................................................................... 25
7.1
The booster set is off ....................................................................................................................................... 25
7.2
Motor does not start ........................................................................................................................................ 25
7.3
Frequent start-ups and stops .......................................................................................................................... 25
7.4
The speed of the pump unit increases and decreases without stopping and without consumption of water
(utility closed) ............................................................................................................................................................... 25
7.5
The motor runs but no water is delivered ........................................................................................................ 26
7.6
Loss of water from the pump unit .................................................................................................................... 26
7.7
Too noisy ......................................................................................................................................................... 26
7.8
The booster set does not generate the required pressure .............................................................................. 26
7.9
Tripping of the main protection system (fuses) ............................................................................................... 26
7.10
Tripping of the differential protection ............................................................................................................... 27
7.11
The pump unit runs at maximum speed without stopping .............................................................................. 27
7.12
Only one pump unit is running ........................................................................................................................ 27
7.13
There is demand for water but the pump unit does not start .......................................................................... 27
8
Technical Data ....................................................................................................................................................... 28
8.1
Dimensions and weights ................................................................................................................................. 29
9
Declarations ............................................................................................................................................................. 29
9.1
EC Declaration of Conformity (Original) .......................................................................................................... 29
9.2
EU Declaration of Conformity (No EMCD23) .................................................................................................. 29
en - Original instructions
3
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