Hitachi RAS-10HRNM, Service Manual, Page: 396 / 482

380-415V/50Hz, 380V/60Hz
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1: PCN7 (SVA2)
2: PCN6 (RVR)
3: PCN402 (SVA1, SVF)
N O T E
• Do not touch the electrical components when the LED201 (Red), located on surface “W” PCB is ON in order to
avoid electrical shock.
• Remove the connectors on the control PCB of the electrical box.
• Remove the reversing valve coil by removing the screw fixing the coil.
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Removing expansion valve coil
1 Remove the service cover according to the section Removing service cover , see on page 379 in this chapter.
2 Open the P-mounting plate according to the section Opening electrical box (P-mounting plate) , see on page 387 in this
chapter .
D A N G E R
• Check that the LED201 (red) located on the “W” surface PCB is OFF when opening the P-mounting plate.
• Do not touch the electrical components when LED201 (Red) located on the “W” surface PCB is ON in order
to avoid an electrical shock.
3 Remove the CN5A connector on the control PCB of the electrical box.
4 Hold the expansion valve coil and slightly rotate, then pull it up. Refer to the figure below to replace the electrical valve.
The lock mechanism is equipped with the expansion valve coil. Check to ensure that the expansion valve coil is locked.
1. Pull out the electronic expansion valve coil upwards.
2. Release lock.
3. Electronic Expansion Valve Coil.
4. Liquid Tank.
5. Lock Part.
6. Electronic Expansion Valve.
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10 Servicing
388
SMGB0060 rev. 1- 12/2010