1. determine the moving position of the air conditioner and whether the
length of the pipe is sufficient. whether the placement position of the
air conditioner is suitable and meets various requirements, etc. the
relocation of the air conditioner also needs to meet the requirements of
the general installation position of the air conditioner. it is
necessary to investigate whether the environmental location is suitable
for transferring the air conditioner, and then prepare the required
materials and equipment. including a set of refrigeration repair tools
and expansion screws for fixing indoor and outdoor units. there are also
pipelines that need to be updated, extended, etc.
2. recover refrigerant: collect the refrigerant in the air conditioner
into the outdoor unit. before dismantling the machine, start the air
conditioner and set the refrigeration state with the remote controller.
after the compressor operates for 5-10 minutes and the refrigeration
state is normal, screw off the protective cap on the interface between
the liquid pipe and the gas pipe of the external machine with a wrench,
close the stop valve of the high-pressure pipe (fine), and immediately
close the stop valve of the low-pressure pipe (coarse) after 1 minute of
condensation on the surface of the pipe. in the same way, shut down
quickly and unplug the power plug, tighten the safety cap with a wrench,
and the refrigerant recovery is completed. the forced start button on
the indoor unit can also be used to start the machine, and observe
whether there are other faults in the indoor and outdoor units.