Cleaning 2-Way Cassette Type Indoor Unit - Hitachi RPI-0.8FSG1 Service Manual

SERVICING
(2.11 Cleaning Indoor Unit Heat Exchanger)

2.11.4 Cleaning 2-Way Cassette Type Indoor Unit

Spread a vinyl sheet over the floor to protect furnitures, etc. from cleaning water before this work.
(1) Remove the drain pan according to the item 2.5.8 "Removing Drain Pan". Clean the drain pan after
removal.
(2) Remove the indoor fan motor and fan runner assembly according to the item 2.5.4 "Removing Fan
Runner and Fan Motor".
(3) Removing Fixing Plate
Protect the wiring from cleaning water during the
cleaning after removing fixing plate for the fan.
(4) Removing Dust on Heat Exchanger
Remove dust on the fins at the inlet side of the heat exchanger by scratching off downwards.
Collect all dust in a bucket or carton box.
2-124
TURN OFF all power source switches.
Fan Fixing
Plate
Tool Phillips Screwdriver
Top Plate
Side
Plate
Pull down the fixing plate after
removing three screws fixing the fixing
plate for the fan to the top plate and
side plate.
Tool Brush, Bucket (or Carton Box)
Inlet Side of
Heat Exchanger