Owner manual

Gamma 1-16 LSC&
Gamma 2-16 LSC&
5 Set-up and connection
Version 04/2013, Rev. 1.1 of 16/12/2013 • sb
35
Translation of the original operating manual
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5.5 Media drain valve
The media drain valve is located at the bottom of the left side of the unit
(see chapter 2.1.1 - "Functional and operating elements").
It is used to drain off the condensate and the defrosting water.
• Connect the drain hose (included in the scope of supply) to the hose
connector.
• Place a collecting vessel under the unit.
The hose must be laid with a continuous slope and the end of the hose
must always be above the liquid level in the collecting vessel. This prevents
water and dirt residues from being sucked into the ice condenser chamber
if there is negative pressure when the media drain valve is opened.
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5.4.6 Vakuum pum pe 
5.6 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
and its plug must be plugged into the IEC C14 connector on the back of the
unit (see chapter 2.1.1 - "Functional and operating elements").
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 or 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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5.7 Pressure control valve
The pressure control valve is integrated in the suction pipe between the
vacuum pump and ice condenser chamber. During certain, specified
process phases, it interrupts the volume flow to the vacuum pump (see
chapter 2.2.1 - "General information on freeze-drying")
CAUTION
The pressure control valve is integrated into the system. Only specialised
personnel is authorised to perform maintenance or repairs.
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