WATERKOTTE EcoTouch Ai1 Geo, Planning And Installation

Page: 4 / 60

12.11.2015
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Z21826
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2013 by: WATERKOTTE GmbH. Subject to changes
8.2 Connecting dimensions ................................................................................................... 25
8.3 Connection to heating system ......................................................................................... 26
8.3.1 Installations provided by customer ...................................................................... 26
8.3.2 Heat pump with underfloor heating ..................................................................... 26
8.3.3 Heat pump with radiators (natural cooling not possible) ...................................... 27
8.4 Connection to heat source ............................................................................................... 27
8.4.1 Residual head ..................................................................................................... 29
8.4.2 Water glycol systems .......................................................................................... 30
8.4.3 Groundwater heat source ................................................................................... 30
8.4.4 Groundwater quality ............................................................................................ 30
8.4.5 Water-Glycol mixture in the installation ................................................................ 31
8.4.6 Flow Monitoring .................................................................................................. 32
8.4.7 Filter .................................................................................................................... 32
8.4.8 Cleaning .............................................................................................................. 32
9 Electrical work ....................................................................................................................... 34
9.1 Electrical installation ......................................................................................................... 34
9.2 Electrical heat generator for startup and standby ............................................................. 35
9.2.1 Initial heating of buildings during winter months .................................................. 35
9.2.2 Startup of electrical heat generator (EWE) ........................................................... 36
9.2.3 Parallel operation: Heat pump and electrical heat generator ................................ 36
9.3 Heat generator, thermostat settings ................................................................................. 36
9.4 Installation instructions for an external sensor .................................................................. 36
9.4.1 Instalation of the cabling ..................................................................................... 37
9.5 Electrical connection ........................................................................................................ 38
9.5.1 Electrical wiring diagram (3x 400 V) ..................................................................... 38
9.5.2 Electrical wiring diagram (1x 230 V) ..................................................................... 39
9.6 Controller ......................................................................................................................... 40
9.7 Terminals ......................................................................................................................... 41
10 Plan and MSR-equipment...................................................................................................... 42
11 Hydraulic diagramm Basic Line Ai1 Geo ................................................................................. 43
12 Commissioning ..................................................................................................................... 44
12.1 Pre-startup checks .......................................................................................................... 44
12.2 Initial start-up of the machine ........................................................................................... 45
12.3 Control of the entire operation ......................................................................................... 46
12.4 Turning off the heat pump ................................................................................................ 46
12.5 Turning off the heat pump for a longer time ..................................................................... 46
13 Troubleshooting .................................................................................................................... 47
13.1 Possible faults and solutions ............................................................................................ 47
13.1.1 Fault at input side (LP fault) ................................................................................. 47
13.1.2 Ausgangsseitige Störung (HD-Störung) ............................................................... 47
13.1.3 Fault in compressor motor .................................................................................. 47
14 Safety measures ................................................................................................................... 48
14.1 Pressure limits of compressor .......................................................................................... 48
14.2 Motor protection against excessive temerpature .............................................................. 48
14.3 Refrigerator oil ................................................................................................................. 48
15 Maintenance and care ........................................................................................................... 49