Mitsubishi Electric Mr.Slim PLA-P3AA Technical & Service Manual page 4

[1] Service tools
Use the below service tools as exclusive tools for R407C refrigerant.
No. Tool name
1 Gauge manifold
2 Charge hose
3 Electronic scale
4 Gas leak detector
5 Adapter for reverse flow check.
6 Refrigerant charge base.
7 Refrigerant cylinder.
8 Refrigerant recovery equipment.
[2] Notice on repair service
·After recovering all the refrigerant in the unit, work may be started.
·Do not release the refrigerant in the air.
·After completing the repair service, recharge the system with the specified amount of the
liquid refrigerant.
[3] Refrigerant recharging
(1) Refrigerant recharging process
Direct charging from the cylinder.
·Confirm that the cylinder is suitable for syphoning.
·Raise the cylinder and recharge the unit by syphoning liquid refrigerant.
Gravimeter
(2) Recharge when refrigerant leakage has occurred.
·After recovering all the refrigerant in the unit, work may be started.
·Do not release the refrigerant in the air.
·After completing the repair service, recharge the system with the specified amount of
the liquid refrigerant.
Specifications
·Only for R407C.
·Use the existing fitting SPECIFICATIONS. (UNF7/16)
·Use high-tension side pressure of 35kgf/cm
·Only for R407C.
·Use pressure performance of 52kgf/cm
·Use the detector for R134a or R407C.
·Attach on vacuum pump.
·For R407C ·Top of cylinder (Brown)
·Cylinder with syphon
Unit
4
2 or over.
2 or over.