Viessmann VITOCAL 222-S Installation And Service Instructions Manual page 48

Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
Commissioning steps
Inspection steps
Maintenance steps
• • •
1. Opening the heat pump..................................................................................................... 49
•
2. Compiling reports.............................................................................................................. 49
•
3. Purging the refrigerant lines and the internal unit.......................................................... 49
•
4. Checking tightness of the refrigerant lines..................................................................... 49
•
5. Evacuating the refrigerant lines and internal unit........................................................... 50
•
6. Charging the refrigerant lines and internal unit.............................................................. 51
• • •
7. Checking the refrigerant circuit for tightness................................................................. 52
•
8. Filling and venting the secondary side............................................................................ 52
• • •
9. Checking expansion vessel and heating circuit pressure............................................. 54
•
10. Cleaning the DHW cylinder............................................................................................... 54
•
11. Measuring the anode earth current with an anode tester.............................................. 55
•
12. Checking the magnesium anode...................................................................................... 55
• 13. Replacing the magnesium anode..................................................................................... 55
• •
14. Checking electrical connections of the internal unit for firm seating
• • •
15. Checking the free running of the fan in the external unit............................................... 56
•
16. Cleaning the external unit heat exchanger (evaporator)................................................ 56
•
17. Checking thermal insulation of flared connections
• •
18. Checking electrical connections of the external unit for firm seating.......................... 57
• • •
19. Closing the heat pump....................................................................................................... 57
• • •
20. Switch ON the power......................................................................................................... 57
• • •
21. Starting the heat pump...................................................................................................... 57
•
22. Commissioning the system............................................................................................... 58
•
23. Ticking the heat pump type............................................................................................... 64
• • •
24. Checking the heat pump for noise................................................................................... 64
• • •
25. Checking the system function.......................................................................................... 64
•
26. Instructing the system user.............................................................................................. 65
48
Page