28
3�13�3 Filling
1�
2� Manual air vent valve
3� Pressure gauge
4� Plant drain cock
2
3
1
4
Beforestartingthellingoperation:
–
– check that the plant drain cock is closed
– open all the air valves of the plant and its terminals
–
Tollthesystem:
–
cock
When water starts coming out of the terminal vent
valves:
– close the breather valves
–
the plant
– check that the expected nominal pressure has been
reached
– close the water tap
– check the tightness of the gaskets
It is recommended to repeat this operation after the
device has been running for a few hours.
Regularly check the system's pressure.
Keep the system bleed during operation, penalty, loss
of performance and energy consumption.
3�14 Refrigeration connections
3�14�1 Preliminary warnings
Theinstallermustcomplywiththeprovisionsof
Regulation303/2008/ECwhichdenes, inaccord-
ance with Directive 842/2006/EC, the require-
ments for companies and personnel with regard
to xed refrigeration, air conditioning and heat
pump equipment containing certain uorinated
greenhouse gases.
For dimensional information, refer to chapter
"Technical information" p.64.
Use equipment suited for the refrigerant in the system.
Plan the route of the pipeline so as to reduce the length
and number of bends as much as possible for best per-
formance of the system.
The refrigeration lines must be as straight as possible
and the radius of any bends must be greater than 40
mm.
Use only special copper pipes for cooling.
To Next Page
Loading...
