Dunham-Bush Cougar Manuale di istruzioni per l'installazione, il funzionamento e la manutenzione - Pagina 6
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Figure 1
Figure 2 & 3
Figure 4 & 5
Figure 6 & 7
Table 2 -
4 port valves; recommended Kv values to match coils
Coil Section
Cooling
Heating
Table 3 -
Maximum test and working pressures
WARNING
Air vents should not be operated during pressure tests. Recommended working pressure is limited to 7 bar
gauge to ensure safe operation of manual air vents.
Size
Figure 1
Figure 2 & 3
Figure 4 & 5
Figure 6 & 7
Table 4 -
Water content of cooling and heating sections of coil
Diagram 8: Fan switch speed settings; also shown as label affixed to fan coil unit (AC motor units only)
Cooling coil valve Kv
1.0
1.0
1.0
1.0
Maximum test pressure
20 bar gauge
20 bar gauge
Cooling section content (l)
1.70
2.55
3.68
4.53
Heating coil valve Kv
0.6
0.6
0.6
0.6
Recommended working pressure
7 bar gauge
7 bar gauge
Heating section content (l)
0.20
0.28
0.40
0.51
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