Hitachi FSG Series Service Manual page 164

2
SERVICING
50
$
WARNING: TURN OFF all power source switches
2. Scratch off the dust on the inner surface of the heat
exchanger downwards using a brush. Collect all dust in a
bucket or carton box.
3. Suspend the cleaning water collector from the indoor unit.
a. Tie the rope on the suspension bolts for the indoor unit
and put it downwards.
b. Insert the support bars into the holes of the water
collector.
c. Tie the rope on the support bar of the water collector
and suspend the water collector.
d. Connect a hose to the boss and put the end of the hose
in a bucket.
4. Put approximately 15 liters of cleaning agent for aluminum
fins in a supply tank.
Support Bar
(8 Nos.)
Indoor Unit
Suspension Bolt
20~30mm
Cleaning Water
Collector
Cleaning Water
Collector
Boss
Hose
Blucket
Rope
Suspension Bracket
The water collector
should be located
20 to 30mm higher
than the bottom of
the unit.
Cleaning Agent for
Aluminum Fins