INVENTOR U6MRS32-18, Service Manual, Page: 136 / 280

 Maintenance 5 
3. Re-Installation
3.1 Indoor Unit
Collecting the refrigerant into the outdoor unit
/TJUUX[TOZ
2OW[OJYOJK
-GYYOJK
)RUYK
)RUYK
:]U]G_\GR\K
:NXKK]G_\GR\K
5[ZJUUX[TOZ
5VKT
)RUYK
2U
.O
Procedure:
1.
Confirm that the 2- and 3-way valves are opened.
2. Connect the charge hose with the push pin of Handle
Lo to the 3-way valve’s gas service port.
3. Open the Handle Lo manifold valve to purge air
from the charge hose for 5 seconds and then close it
quickly.
4. Close the 2-way valve.
5. Operate the air conditioner in cooling mode. Cease
operations when the gauge reaches 0.1 MPa (14.5
Psi).
6. Close the 3-way valve so that the gauge rests
between 0.3 MPa (43.5 Psi) and 0.5 MPa (72.5 Psi).
7. Disconnect the charge set and mount the caps of
service port and 2- and 3-way valves.
8. Use a torque wrench to tighten the caps to a torque
of 18 N.m.
9. Check for gas leakage.