Mitsubishi Electric PEHD-P1.6EAH 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
Charge hose
2
3 Electronic scale
4 Gas leak detector
5 Adaptor 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, repairs/servicing can proceed.
· Do not release refrigerant in the air.
· After completing the repair service, recharge the circuit with the specified amount of liquid refrigerant.
[3] Refrigerant recharging
(1) Refrigerant recharging process
1 Direct charging from the cylinder.
· R407C cylinder are available on the market with a syphon pipe.
· Leave the syphon pipe cylinder standing and recharge it. (By liquid refrigerant)
Gravimeter
(2) Recharge in refrigerant leakage case
· After recovering all the refrigerant in the unit, repairs/servicing can proceed.
· Do not release the refrigerant in the air.
· After completing the repair service, recharge the circuit with the specified amount of liquid refrigerant.
3
Specifications
· Only for R407C.
· Use the existing fitting SPECIFICATIONS. (UNF7/16)
· Use high-tension side pressure of 3.43MPa·G or over.
· Only for R407C.
· Use pressure performance of 5.10MPa·G or over.
· Use the detector for R407C.
· Attach on vacuum pump.
· For R407C · Top of cylinder (Brown)
· Cylinder with syphon
Unit