Midea MTB1T-96CWN1

MCAC-UTSM-201707 Midea R410A T3 50Hz Top-discharge Series
64
Less than 5m
Use refrigerant in the outdoor unit.
5~15m
Use vacuum pump or refrigerant tank.
Note: If the air conditioner is relocated, be sure to use a vacuum pump or refrigerant tank to expel air.
Use the refrigerant in the outdoor unit to expel air
 Screw up the pipe nuts at A, B, C and D completely.
 Loosen and remove the square-head cover of valves A and B, rotate the square-head
spool of valve B counter-clockwise for 45 degrees and stay for about 10 seconds, and
then close the spool of valve B tightly.
 Detect leak for all adapters at A, B, C and D. After making sure that no leak exists, open
the maintenance orifice nut of valve A. After all air is expelled, tighten the maintenance
orifice nut of valve A.
 Open the spools of valves A and B completely.
 Tighten the square-head cover of valves A and B completely.
Use refrigerant tank to expel air
 Screw up the pipe nuts at A, B, C and D completely.
 Loosen and remove the square-head cover and maintenance orifice nut of valves A
and B.
 Connect the filler hose of refrigerant tank with the maintenance orifice of valve A.
 Loosen the valve of the refrigerant tank, continue filling refrigerant for 6 seconds to
expel the air, and tighten the nut of valve B quickly.
 Loosen the valve of the refrigerant tank again, and fill the refrigerant for 6 seconds.
Detect leak for all adapters at A, B, C and D. After making sure that no leak exists,
screw off the filler hose. After all the filled refrigerant is expelled, screw up the
maintenance orifice nut of valve A quickly.
 Open the square-head pools of valves A and B completely.
 Tighten the square-head cover of valves A and B.