5.2 Before start-up ................................................................................................................................................ 19
5.3 Initial start-up .................................................................................................................................................. 19
5.4 Venting the unit .............................................................................................................................................. 20
6 Settings and Operation .......................................................................................................................................... 21
6.1 Knob settings .................................................................................................................................................. 21
6.1.1 Stand-by ...................................................................................................................................................... 21
6.1.2 Operation with constant pressure ............................................................................................................. 22
6.1.3 Operation with proportional pressure ...................................................................................................... 22
6.1.4 Operation with constant pump speed ...................................................................................................... 22
6.1.5 eAdapt function, ecocirc+.......................................................................................................................... 23
6.1.6 Degassing function .................................................................................................................................... 23
6.2 Night mode, ecocirc+ .................................................................................................................................... 23
6.3 MY ecocirc App, ecocirc+ .............................................................................................................................. 24
6.3.1 Pairing the unit with a mobile device ........................................................................................................ 24
6.4 Starting at high torque ................................................................................................................................... 25
6.5 Dry run signal ................................................................................................................................................. 25
7 Maintenance ............................................................................................................................................................ 26
7.1 Precautions ..................................................................................................................................................... 26
7.2 Spare parts ordering ...................................................................................................................................... 26
8 Troubleshooting...................................................................................................................................................... 27
8.1 Precautions ..................................................................................................................................................... 27
8.1.1 Resetting errors .......................................................................................................................................... 27
8.2 Insufficient cooling or heat ............................................................................................................................ 27
8.3 Unit not functioning and LED on ................................................................................................................... 28
8.4 Unit not functioning and LED off ................................................................................................................... 28
8.5 Loss of functionality in the unit ...................................................................................................................... 29
8.6 The wireless connection is not functioning, ecocirc+ ................................................................................... 29
8.7 Noise coming from the system ...................................................................................................................... 29
8.8 Noise coming from the unit ........................................................................................................................... 30
9 Technical Information ............................................................................................................................................. 31
9.1 Operating environment ................................................................................................................................. 31
9.2 Pumped liquid ................................................................................................................................................ 31
9.3 Mechanical characteristics ............................................................................................................................. 31
9.4 Electrical specifications .................................................................................................................................. 32
9.5 Radiofrequency specifications, ecocirc+....................................................................................................... 32
9.6 Maximum head ............................................................................................................................................... 32
9.7 Maximum operating pressure ....................................................................................................................... 32
9.8 Energy efficiency ............................................................................................................................................ 32
9.9 Sound pressure .............................................................................................................................................. 32
9.10 Materials in contact with the liquid ............................................................................................................... 33
9.11 Dimensions and weights ................................................................................................................................ 33
10 Disposal .............................................................................................................................................................. 34
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