3.5.4.1 Draining the cooling circuit
1.
Connect the attached ½ " hose with valve at the discharge connections at the end of the
coolant pipes.
① ½ " hose
② Container for the cooling water that has drained
Figure 3-10 Draining the cooling circuit
2. Inject
nitrogen into the cooling unit through filling valve ③ to force out the coolant. It is not
permissible that the nitrogen pressure exceeds 6 bar, in order that the cooling unit is not
damaged.
③ Filling valve
Note
Industrial compressed air contains oil and is therefore not suitable. If you use normal
compressed air it must be 100% dry.
Preparations for use
3.5 Storage
Applications for Cabinet Modules, liquid cooled
62 Operating Instructions, 04/2015, A5E35974555A
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