MCAC-UTSM-201501 Midea R410A T3 Top-discharge Split Type Series 50Hz
84
picture.
Procedure of opening the valve: Open the square-head cover, use a spanner to capture the
square head and open it thoroughly. Then tighten the square-head cover.
Procedure of closing the valve: Same as the procedure of opening the valve, but rotate the
spanner clockwise thoroughly.
After vacuum, according to the diameter and length of the connective pipe of liquid side between
the indoor unit and outdoor unit, calculate the refrigerant replenishment quantity. The refrigerant
for replenishment is R410A.
Note:
Please check and record the replenished quantity of the air conditioner.
Refrigerant leak precautions. This air conditioner uses refrigerant R410A. R410A is safe
refrigerant which is harmless and non-flammable. The room for placing the air conditioner should
have a proper space. Even if refrigerant leakage occurs, the density threshold will not be
crossed. Additional measures may also be taken.
Density threshold: Density of the Freon gas that does not harm the human body. Density
threshold of R410A: 0.3kg/m
3
.
Calculate the total quantity of refrigerant to be replenished [A (kg)].
Total refrigerant quantity = refrigerant replenishment quantity upon shipment + additional
refrigerant replenishment corresponding to the pipe length.
Calculate out the indoor volume [B (m
3
)] (according to the minimum volume)
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