Drawell MDF-40V50 Manuale d'uso - Pagina 6

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wire cannot be connected with gas pipe, stem heating pipe and water pipe and the zero line of
single-phase source should not be taken over as well.
：If the power connect wire has to be lengthened, the sectional area of the conductor is larger than or
equals to 1.5mm. The conductor can be single-stranded or multi-stranded. It is strictly prohibited to use
multipurpose socket for connection.
：The ultra low temperature freezer cannot lean against the wall. The space of at least 30cm should be
left at the machine room for normal running of the system.
：No water is allowed to be splashed on the outside body of the ultra low temperature freezer. When
scouring the ground, it is strictly prohibited to splash water into the control panel and the compressor room.
It is also prohibited to use the product in the rain or under the environment with the relative humidity of
larger than 85%. Otherwise, faults such as electric leakage etc. may be caused.
： With continuous operation system, the ultra low temperature freezer should be restarted after five
minutes in case of power failure or machine halt to prevent the compressor or the system from being
damaged.
： The key of the ultra low temperature freezer should be kept out of the reach of children to avoid
accidents.
： Inflammable, explosive and volatile dangerous articles and acid and alkali etc. with strong
corrosiveness are never allowed to be put in the ultra low temperature freezer.
：The ultra low temperature freezer cannot be used under inflammable and explosive gas environment.
Be sure not to spray combustibles such as paint, coating etc. to avoid fires.
：The door should be closed tight. Otherwise, the normal operation and usage of the system may be
affected.
：The service environment pollution grade of the ultra low temperature freezer is grade 2.
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