WATERKOTTE EcoTouch DS 5027 Ai, Planning And Installation Manual

Page: 4 / 60

2005/06/10
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Copyright
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2013 by: WATERKOTTE GmbH. Subject to changes.
6.3.1 Removing the housing ........................................................................................ 22
7 Installation and connection .................................................................................................... 23
7.1 Connections EcoTouch DS 5027 Ai (rear) ........................................................................ 23
7.2 Connection to heating system ......................................................................................... 23
7.2.1 Heat pump with underfloor heating ..................................................................... 25
7.2.2 Heat pump with radiators ................................................................................... 25
7.2.3 Heat pump with swimming pool.......................................................................... 25
7.3 Connection to heat source .............................................................................................. 26
7.3.1 Water glycol systems .......................................................................................... 28
7.3.2 Groundwater heat source ................................................................................... 28
7.3.3 Groundwater quality............................................................................................ 28
7.3.4 Flow monitoring .................................................................................................. 30
8 Electrical work ....................................................................................................................... 31
8.1 8.1 Electrical installation ................................................................................................... 31
8.2 Electrical heat generator for startup and standby ............................................................. 32
8.2.1 Startup of electrical heat generator (EWE) ........................................................... 32
8.2.2 Parallel operation: Heat pump and electrical heat generator ............................... 33
8.2.3
Heat generator, thermostat settings .................................................................... 33
8.3 Installation instructions for external sensor ....................................................................... 33
8.3.1 Cabeling ............................................................................................................. 33
8.4 Electrical connections ...................................................................................................... 34
8.4.1 EcoTouch DS 5027 Ai (3x 400 V) ....................................................................... 34
8.4.2
EcoTouch DS 5027 Ai (1x 230 V) ....................................................................... 35
8.4.3 Connectors ......................................................................................................... 36
8.4.4 Controller WWPR 2 ............................................................................................. 37
9 Pipe & instrumentation flow chart/measurement & control technology ..................................... 38
10 Hydraulic diagramms DS 5027Ai & DS 5027Ai NC / RC .......................................................... 40
11 Commissioning ..................................................................................................................... 42
11.1 Pre-startup checks .......................................................................................................... 42
11.2 Initial start-up of machine ................................................................................................. 43
11.3 Control of entire operation ............................................................................................... 44
11.4 Turning heat pump off ..................................................................................................... 45
11.5 Taking heat pump out of operation for extended period .................................................. 45
12 Troubleshooting .................................................................................................................... 46
12.1 Possible faults and solutions ............................................................................................ 46
12.1.1 Fault at input side (LP fault) ................................................................................. 46
12.1.2 Fault at output side (HP fault) .............................................................................. 46
12.1.3 Fault in circulation pumps ................................................................................... 46
12.1.4 Fault in compressor motor .................................................................................. 46
13 Safety measures ................................................................................................................... 47
13.1 Pressure limits of compressor .......................................................................................... 47
13.2 Motor protection against excessive temperature ............................................................. 47
13.3 Refrigerator oil ................................................................................................................. 47