Oilon ECO Inverter+ 25, Installation And Commissioning Manual

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Contents
1 Introduction
1.1 Heat pumps covered in this manual...........................................................3
1.2 Instructions and diagrams...........................................................................3
1.3 Safety notice and warnings........................................................................ 3
1.4 Transportation and storage.........................................................................5
1.5 Scope of delivery........................................................................................ 6
1.6 Accessories................................................................................................. 8
2 Installation
2.1 Installation site.......................................................................................... 11
2.2 Dimensions, connections, and components............................................. 12
2.3 Outdoor temperature sensor.....................................................................14
2.4 In-line heater............................................................................................. 14
2.5 Change-over valve (optional)....................................................................16
2.6 DHW tank sensor......................................................................................17
2.7 Electrical connections, covers, and cable management...........................17
3 Heating circuits
3.1 Buffer tank.................................................................................................19
3.2 Buffer tank sensor.....................................................................................19
3.3 Flow temperature sensor for heating circuit 1.......................................... 20
3.4 Heating water temperature, return to condenser......................................22
3.5 Heating circuit’s control valve................................................................... 22
3.6 Heating circuit pump.................................................................................25
3.7 Heating circuits 2 and 3............................................................................27
4 Commissioning
4.1 General......................................................................................................28
4.2 Signing in as a service level user............................................................ 28
4.3 Initial setup settings.................................................................................. 29
4.4 Design outdoor temperature..................................................................... 35
5 Operation
5.1 Heat pump operation................................................................................ 36
6 Technical data
6.1 Heat pump technical data.........................................................................38
6.2 Compressor units......................................................................................38
6.3 Performance data......................................................................................39
6.4 Technical data sheet (EN 14825)............................................................. 47
6.5 Operating conditions................................................................................. 48
6.6 Pumps and earth probe data....................................................................49
M8003 2219EN 1 (54)