Martin Christ Beta 2-8 LSCplus - Manual (Page 81)

Beta 1-8 LSC&
Beta 2-8 LSC&
8 Maintenance and service
Version 04/2013, Rev. 1.1 of 16/12/2013 • sb
81
Translation of the original operating manual
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8.1.1.1 Ice condenser chamber
Before each start-up, ensure that the ice condenser chamber is free from
water residues.
• Open the media drain valve to drain off any liquid. Then, close the
valve.
• If necessary, wipe the ice condenser chamber dry with a cloth.
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8.1.1.2 Drying chamber
The drying chamber is equipped with the LYO CHAMBER GUARD splinter
protection film.
• In order to prevent the film from being damaged, only use water and
commercially available window cleaning agents as well as synthetic
sponges, soft tissues or a rubber wiper for cleaning.
• Do not dry-clean any drying chambers that are equipped with LYO
CHAMBER GUARD film!
Fig. 72: This adhesive label indicates that the drying chamber is equipped
with a splinter protection film
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8.1.1.3 Aeration valve, media drain valve
Contaminants such as product residues may lead to an insufficient vacuum.
In this case, the aeration valve and the media drain valve must be cleaned.
• Switch the freeze-dryer off and disconnect the mains plug.
• Remove the valve core.
• Clean the valve core and the opening with a moist cloth.
• Clean the O-rings and inspect them for any damage. Damaged O-rings
must be replaced.
1
Valve opening
2 Valve core
3 O-rings
Fig. 73: Valve opening and valve core with O-rings
(example, varies depending of the type of freeze-dryer)