Viessmann VITOCAL 300-G Installation And Service Instructions For Contractors page 47

Steps - commissioning, inspection and maintenance
Commissioning steps
Inspection steps
Maintenance steps
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1. Opening the heat pump..................................................................................................... 48
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2. Writing reports.................................................................................................................... 48
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3. Checking the refrigerant circuit for leaks........................................................................ 48
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4. Filling and venting the primary side................................................................................. 49
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5. Filling and venting the secondary side............................................................................ 50
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6. Checking the expansion vessel and heating circuit pressure....................................... 50
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7. Checking the electrical connections for firm seating..................................................... 51
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8. Switching on the main MCB/fuse
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9. Commissioning the system............................................................................................... 51
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10. Checking the system function.......................................................................................... 62
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11. Closing the heat pump....................................................................................................... 63
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12. Checking the heat pump for noise................................................................................... 63
• 13. Instructing the system user.............................................................................................. 63
Commissioning, inspection, maintenance
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47