MT86 Operation and Maintenance Manual
127
Fig 4-48
or display screen damage.
4) The refrigerant filler is on compressor and
pipes. In case of insufficient refrigerant or
poor refrigeration, please contact
professional personnel to supplement
refrigerant. When refrigerant is insufficient,
white foam can be seen through the observation
window on the upper part of pipe. When
refrigerant is sufficient, what you see is
transparent liquid.
5) When it is confirmed that a fault occurs in
the system, please go to an authorized service
station to have an inspection and repair by
professional service personnel.
6) The A/C intake paper filter core should be
cleaned and replaced according to specific
operation conditions.
7) In the season that A/C is not used, start
the refrigeration system of A/C 2~3 times every
month, 10 min per time. The purpose is to
prevent poor sealing performance of rubber
seal ring and shaft seal of compressor in the
pipes of the system due to lack of oil. Poor
sealing performance will lead to compressor
and other movable components of refrigeration
system getting stuck or rusty.
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