Danfoss iC7 Series Design Manual page 60

Design Guide | iC7 Series Liquid-cooled System Modules
7.
Close all the valves in cabinets C1 and C2 except for the valves V5, V6, V7, and V8 of the first system module (M1).
Figure 53: Example of Filling the Cooling System with Liquid
C2
M4 M3
V8V7V6V5 V8V7V6V5
1
Cooling module
B
Draining valve
C1
First cabinet
D
De-airing valve
P
Pump, cooling module
8.
Open the valves A (V212) and B (V213) of the cooling module.
9.
If you have a Danfoss cooling module, make sure that the valve V211 is open.
The valve V211 is in series with V212.
10.
Start the filling pump P
11.
Wait for the system module M1 to fill up.
See the table for examples of filling times.
Flow rate
10 l/min
15 l/min
60
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C1
M2 M1
V8V7V6V5 V8V7V6V5
.
f
D
1
P f
P
C
A B
A
Filling valve
C
Pump shut-off valve
C2
Second cabinet
P
Filling pump
f
Time [minutes]
10
1
AJ475942178716en-000101 / 172K2848A