Hitachi EV-1.5N1, Руководство по обслуживанию

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10. Servicing
384
SMGB0079 rev.0 - 01/2013
10.3.4.10 Removing electronic expansion valve coil
1 Remove the service cover, the bottom service cover and the rear cover following Removing service cover and Remo-
ving bottom service cover and rear cover .
2 Open the P plate turning counter clockwise approximately 90° following Opening electrical box (P plate) .
• Check that the LED201 (red) on Inverter is OFF when the P plate is opened.
D A N G E R
DO NOT touch electrical components while the LED201 (Red) or LED1 (Red) are ON to avoid electrical shock.
Wait until the LEDs turn off.
3
Disconnect the CN5A connector on the control PCB1 of the electrical box.
4 Hold the coil of the expansion valve and pull out upward.
It is easier to remove the expansion valve coil if it is rotated
while pulling it upward.
5 When reassembling after replacing the expansion valve coil,
perform the procedure in the reverse way of removing. The
expansion valve coil is equipped with a lock mechanism. After
attaching the expansion valve coil, rotate it until the sound of
locking is heard.
N O T E
Fix the wires by plastic bands to the original position.
Hold the coil of
the expansion
valve and pull
out upward
Expansion valve coil
Release lock
D A N G E R
DO NOT touch electrical components while the LED201 (Red) or LED1 (Red) are ON to avoid electrical shock. Wait
until the LEDs turn off.