Mitsubishi Electronics PEH-7MYA, PE-8MYC, PE-15MYC, PE-20MYC, PE-10MYC, PE-7MYC Valve knob, Pipe assy

In case of Flare, Flange type

1.PROCEDURE TO CONNECT THE EXTENSION PIPE. Proceed with the connection as follows:

(1)Open the ball valve cap before cutting the by-pass tube.(Fig.1)

(2)Check the ball valve section is completely closed.(Fig.2)

(3)Cut two parts of the by-pass tube.(Fig.4)

Caution Valve knob

There will be small amount of refrigerant gushed out of the by-pass tube at the moment.

(4)Remove the connection pipe assy.(Fig.5) Throw away the packing.

Do not brazing the pipe while the flange assy connect the ball valve. (Except the PUH-5)

(5)Remove the by-pass tube.(Fig.6)

Braze the extension pipe with the flange assy. (Except the PUH-5)

(6)Connect the extension pipes with the packing between the ball valve and the flange.(Fig.7)

Use the attached new packing certainly.

Fig. 1

Valve knob

Close Fig. 2 Open Fig. 3

cut

cut

Fig. 4

2.HANDLING PRECAUTIONS.

(1)The extension pipes should be connected with the valve knob completely closed. (Fig.2)

Check leak test the part of flange and flare.

(2)Before charging the refrigerant, vacuum the pipes to clear all the air and water.

(3)Charge the additional amount of refrigerant according to the table.

(4)Turn the ball valve knob to "Open" position after leak check again. (Fig.3)

(5)Finally, put the cap back to the ball valve.

Pipe assy Unit side

throw away Fig. 5

By-pass tube

Flange assy Extension pipe

Fig. 6

Unit side

Extension pipe

use the attached new packing Fig. 7

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