Hitachi RAS-18YH6 Service Manual page 67

STRUCTURE OF AN INDOOR UNIT ELECTRIC PARTS
RAS-18YH6, 25YH6
ELEC. COVER
FIXTURE SCREW
Removing electrical parts
1. Remove the electrical parts cover.
2. Remove the connectors from the CN1 (heat exchange
thermistor), CN4 (stepping motor) and CN10 (fan motor).
3. Remove two lock screws.
4. Remove the electrical parts in the direction of arrow.
Removing control P.W.B.
1. Remove the connectors from the CN2 and
CN3.
2. Remove the P.W.B. from the P.W.B. support.
FIXTURE SCREW
Removing the indicating P.W.B.
1. Remove the connector from the CN2 on
the control P.W.B.
2. Remove the upper hook from the indicating
P.W.B. lock resin, pull the P.W.B. forward a
little and remove it.
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When installing the parts, use
caution not to pinch any code
between the part and cabinet.