Hitachi RPI-0.8FSG1 Service Manual page 258

SERVICING
(2.11 Cleaning Indoor Unit Heat Exchanger)
Step
5 Protection from
Cleaning Water
6 Attaching Cleaning
Water Pan
7 Spraying the Cleaning Water
2-118
Procedure
Vinyl Sheet
Discharge Sheet
Cover the discharge side of the heat exchanger
with a vinyl sheet to protect the insulation
materials inside the unit from cleaning
water. Seal the vinyl sheet properly so as
to make no gaps with the adhesive tape.
NOTE:
Perform the work by wearing gloves to
prevent any injuries from touching the fins
of the heat exchanger.
Attach the vinyl sheet to protect the
insulation materials from the cleaning water.
(A transparent board is also applicable
instead of the vinyl sheet.)
Indoor Unit
Rope
Suspension
Bracket
Hang a cleaning water collector from the
indoor unit.
(1) Attach ropes to the suspension brackets.
(2) Put the metal bars through the holes of
the cleaning water collector.
(3) Attach the ropes to the four bars of the
cleaning water collector and suspend
the cleaning water collector.
(4) Attach the hose to the boss of the
cleaning water collector and set
the bucket at the end of the hose.
Spray the cleaning water over the fins of
the heat exchanger.
* Vinyl Sheet
* Adhesive Tape
Heat Exchanger
* Cutter
Suction Sheet
Metal Bar
Cleaning Water
Collector
Boss
Hose
Bucket
* Cleaning Agent
Required Tool