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Hitachi RAS-3HVRNS - Page 381

Hitachi RAS-3HVRNS
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¿ Removing high pressure switch and control pressure switch
1 Remove the service cover according to the section Removing
service cover, see on page 366 in this chapter
2 Collect the refrigerant from the check joint according to the
section Removing the compressor, see on page 369 in this
chapter.
3 Disconnect the fasten terminals from the pressure switches.
Cut the high pressure switch and control pressure switch
from the brazing neck using a burner.
1. Upper cover.
2. Rear cover.
3. Electrical box.
4. Brazing part.
5. Pressure switch for control (PSC).
6. Discharge pipe.
7. High pressure switch (PSH).
¿ Opening electrical box (P-mounting plate)
1 Remove the service cover according to the section Removing
service cover, see on page 366 in this chapter.
Remove the six (6) screws fixing the electrical box. Open
the P-mounting plate by rotating it to the left.
1. Upper cover.
2. P Plate.
3. Screw.
4. Two (2) screws.
5. Electrical box (view from top).
6. P-Mounting plate.
7. Opening direction of P-Mounting Plate.
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10 Servicing
373
SMGB0060 rev. 1- 12/2010
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