Hitachi RAC-18WED Service Manual page 79

STRUCTURE OF AN INDOOR UNIT ELECTRIC PARTS
RAK-18/25/35/50PED
RAK-25/35/50PEDC
Removing electrical parts
1. Remove the electrical parts cover.
2. Remove the connectors from the CN4 (heat exchange
thermistor), CN15 (stepping motor) and CN2 (fan motor).
3. Remove t hree lock screws.
Removing control P.W.B.
1. Remove the connectors from the CN3.
2. Remove the P.W.B. from the P.W.B. support.
FIXTURE SCREW
FIXTURE SCREW
FIXTURE SCREW
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E L E C T R C I A . L C O V E R
Removing the indicating P.W.B.
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.
CN16