Hitachi RAS-(3-6)HVRNM2E Service Manual page 404

10 Servicing
380-415V/50Hz
3
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.
  
Removing expansion valve coil
1 Remove the service cover according to the section
2 Open the P-mounting plate according to the section
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.
394
SMGB0064 rev.0 - 08/2011
1
2
Removing service
Opening electrical box (P-mounting
cover, see on page 385 in this chapter.
plate), see on page 393 in this
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2
3
4
5
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6