Viessmann AWB 201.B04, Инструкция по установке и обслуживанию

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For further information regarding the individual steps, see the page indicated
Commissioning steps
Inspection steps
Maintenance steps Page
• • •
1. Opening the heat pump .................................................. 70
•
2. Writing reports ................................................................ 70
•
3. Flushing the refrigerant lines and the internal unit
with nitrogen (internal unit is filled with nitrogen;
positive pressure approx. 1 to 2 bar)
•
4. Check tightness and pressure with dry nitrogen with
at least 20 bara/2.0 MPa (max. 43 bara/4.3 MPa)
•
5. Evacuating the refrigerant lines and internal unit ....... 71
•
6. Filling refrigerant lines and the internal unit ................ 73
• • •
7. Checking the refrigerant circuit for leaks ..................... 75
•
8. Filling and venting on the secondary side ................... 75
• • •
9. Checking the expansion vessel and heating circuit
pressure ........................................................................... 78
• •
10. Checking electrical connections of the internal unit
for firm seating
• • •
11. Checking external unit condensate pan for free
drainage
• • •
12. Checking the free running of the fan in the external
unit ................................................................................... 78
•
13. Cleaning the external unit heat exchanger
(evaporator) ..................................................................... 78
•
14. Checking thermal insulation of flared connections
• •
15. Checking electrical connections of the external unit
for firm seating ................................................................ 79
• • •
16. Closing the heat pump, switching on main fuse/MCB
• • •
17. Starting the heat pump ................................................... 79
•
18. Commissioning the system ........................................... 80
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
5604 692 GB