Yamato Scientific DC800 Freeze Dryers - Manual (Page 23)

19
Maintenance Method
Daily Inspection and Maintenance
WARNING!
• Disconnect the power cable from the power source when doing an inspection or maintenance
unless needed.
• Perform the daily inspection and maintenance after returning the temperature of this unit to the
normal one.
• Do not disassemble this unit.
• Do not touch the cooling fin with bare hands.
CAUTION!
• Use a well-drained soft cloth to wipe dirt on this
unit. Do not use benzene, thinner or cleanser for
wiping. Do not scrub this unit. Deformation,
deterioration or color change may result in.
Monthly maintenance
• Check the earth leakage breaker function.
1. Connect the power cord.
2. Turn the breaker on.
3. Push the red test switch by a ballpoint pen etc.
4. If there is no problem, the earth leakage breaker will be turned off.
Cleaning of cooling fin
• Clogging of the cooling fin could cause the deterioration of the
cooling performance, and also cause the malfunction of the
refrigerator. The clogged status differs depending on the
surrounding condition or operation time. Clean the cooling
fin periodically.
™ Loosen the mounting screws (4 screws) of the ventilation port
cover, remove the cover of the ventilation port, and remove the
dust attached to the surface of the cover using the vacuum
cleaner.
™ After cleaning the cooling fin, attach it in inverse procedure.
Take care not to crush the fin during cleaning.
For any questions, contact the dealer who you purchased this unit from, or the nearest sales
division in our company.