Martin Christ Epsilon 2-10D LSCplus - Manual (Page 41)

Freeze-dryer EPSILON 2-10D LSCplus
5 Set-up and connection
Version 04/2013, Rev. 1.5 of 16/12/2014 • sb
41
Translation of the original operating manual
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5.10 Special equipment: Precision control needle valve for air injection
In addition to the aeration valve, a precision control needle valve is also
installed (position chapter 2.1.1 - ""). The precision control needle valve is
used to pre-adjust the volume flow. If the actual value is below the
preselected vacuum value, this valve will open briefly, thereby ensuring a
constant vacuum in the freeze-dryer.
NOTE
The precision control needle valve is pre-adjusted at the factory. Usually, it
does not require any readjustment.
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5.11 Vacuum pump
NOTE
Please refer to the separate operating manual of the vacuum pump and
the exhaust filter!
The vacuum pump must be connected to the vacuum connector of the unit.
The electrical connection is located inside the housing next to the vacuum
pump.
The oil mist that escapes when the pump is in operation must be retained
or carried off by way of an oil mist separator.
• We strongly recommend using an oil mist separator. This filter prevents
air pollution by oil mist.
• In order to carry off the oil mist, connect a suitable hose to the exhaust
port of the vacuum pump (RZ-2.5 and RC-6: ½", DUO 5 or DUO 10 ¾").
• The hose must be laid so that the condensate cannot flow back into the
pump. In the case of upward leading hoses, we recommend using a
separator (Woulfe's bottle or wash bottle).
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