Freeze-dryer Epsilon 2-6D LSCplus
7 Malfunctions and error correction
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Version 07/2022, Rev. 3.0 of 20/07/2022
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Translation of the original operating manual
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7.1.2
Insufficient vacuum
NOTE
The vacuum checks must be carried out when the ice condenser is
frozen.
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7.1.2.1
Small flange connections
Leakages are often due to improper small flange connections between the
various components and hose connections or to leakages in the valves.
• Loosen the connection and place the centring ring (with sealing ring
inside) in a centred manner between the flange connections.
• Seal the connection with the clamping ring by tightening the wing nut.
• Ensure that the centring ring neither slips out of place nor gets jammed.
Fig. 69: Small flange and centring ring
Fig. 70: Small flange with centring ring
and small flange
Fig. 71: Attaching the clamping ring
Fig. 72: Tightened clamping ring
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