D Series Modular Air-cooled Scroll Chillers
3
CAUTION
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D
o not let the unit out of the designed application range; otherwise it would cause the heat exchanging
tube cracking, refrigerant leakage or even explosion.
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Do not let the cold/heat source directly act on the stored foods, plants, animals, precision instruments,
and curiosities, otherwise their quality would be degraded.
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Only circulating water with satisfactory water qualify are allowed for the unit, as unsatisfactory water
quality would shorten the service life of the unit or even malfunctions.
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When the unit has been put into use for some time, check for security of the installation foundation.
Unstable foundation would lead to deformation or even safety accident.
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Once the unit is started up, stop it at least 6 minutes later, otherwise it would shorten the service life of
the unit. Never deliberately start or stop the unit frequently.
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Under subzero climatic conditions, pay attention to freeze protection. When the unit is out of use in short
time, do not cut off the power supply, as freeze protection will not act normally. When the unit is out of
used in quite long time, add anti-freezing agent to water or drain the water system, otherwise it would
make the shell and tube crack and then leak.
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Do not use the fuse out of the normal range or replace it with
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Do not start or stop the unit directly by the power switch, as it would be likely to cause electrocution or
fire hazards.
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Do not change settings of safety devices; otherwise it would lead to fire hazards and explosion.
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Do not operate the unit with wet hands.
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Do not clean the unit without cutting off the power supply, as it would lead to electrocution or personal
injury.
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Do not let children pull power lines or climb the unit to prevent of electrocution or other dangers.
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Do not touch high-temperature parts of the compressor and refrigerant lines, as it would lead to burns.
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Do not touch sharp edges and fins of the heat exchanger; otherwise it would lead to personal injury.
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Do not touch any moving part; otherwise it would lead to accidental injury.
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Do not stand on the unit or replace objects on it.
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Do not bend pipeline and retrofit the unit, otherwise it would lead to refrigerant leakage, explosion, fire
hazards or personal injury.
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Do operate the unit in accordance with this manual and read it carefully before startup or troubleshooting.
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Do turn on or off the unit with the controller.
