en – Original Instructions
ecocirc PRO – Installation, Operation and Maintenance Manual 3
5.6 Operation modes ........................................................................................................................................... 24
5.6.1 Fix speed models ....................................................................................................................................... 24
5.6.2 Variable speed models .............................................................................................................................. 24
5.6.3 Fix speed models with fix value temperature control .............................................................................. 24
5.6.4 Fix speed models with variable value temperature control ..................................................................... 24
5.6.5 LED light ..................................................................................................................................................... 25
5.6.6 Motor protection from overtemperature .................................................................................................. 25
5.6.7 Dry run protection ...................................................................................................................................... 25
5.6.8 Power Down Reset (PDR) ........................................................................................................................... 25
5.6.9 Temperature sensor error mode ............................................................................................................... 25
6 Maintenance ............................................................................................................................................................ 26
6.1 Precautions ..................................................................................................................................................... 26
6.2 Maintenance ................................................................................................................................................... 26
6.3 Disassembly .................................................................................................................................................... 26
6.4 Replacing the pump motor ............................................................................................................................ 27
6.4.1 Replacement motors .................................................................................................................................. 27
6.4.2 Pump units for replacement ...................................................................................................................... 27
7 Troubleshooting...................................................................................................................................................... 28
7.1 Precautions ..................................................................................................................................................... 28
7.2 Error signals .................................................................................................................................................... 28
7.3 Pump not running .......................................................................................................................................... 28
7.4 Pump running for 1 minute periods only ...................................................................................................... 28
7.5 Pump is noisy .................................................................................................................................................. 28
8 Technical Information ............................................................................................................................................. 29
8.1 Operating environment ................................................................................................................................. 29
8.2 Pumped liquid ................................................................................................................................................ 29
8.3 Electrical characteristics ................................................................................................................................. 29
8.4 Mechanical characteristics ............................................................................................................................. 30
8.5 Dimensions and weights ................................................................................................................................ 30
8.6 Hydraulic curves ............................................................................................................................................. 31
8.7 OEM models ................................................................................................................................................... 32
9 Disposal ................................................................................................................................................................... 33
9.1 Precautions ..................................................................................................................................................... 33
9.2 WEEE (50 Hz) .................................................................................................................................................. 33
10 EU Declaration of Conformity ............................................................................................................................ 34
11 Warranty ............................................................................................................................................................. 35
11.1 Information ..................................................................................................................................................... 35
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