Cleaning Procedure - Hitachi RAI-50PPD Service Manual

SERVICING
(Cleaning Indoor Unit Heat Exchanger)
1.2.2 Cleaning Procedure
Spread a vinyl sheet over the floor to protect furniture, etc. from cleaning water before this work.
No.
Remove the optional air panel according to the item 1.1.3 "Removing Optional
1
Air Panel."
Remove the electrical box after opening the electrical box cover and
2 disconnecting the connectors between the indoor and outdoor units and other
connectors according to the item 1.1.2 "Removing Electrical Box Cover."
Remove the bell-mouth and fan according to the item 1.1.4 "Removing Turbo
3
Fan and Fan Motor."
4 Remove the drain pan according to the item 1.1.6 "Removing Drain Pan."
5 Remove the float switch according to the item 1.1.9 "Removing Float Switch."
Remove the drain-up mechanism according to the item 1.1.8 "Removing
6
Drain-up Mechanism."
NOTES:
Remove the drain pan after removing drain water in the drain pan.
1. Remove the drain water in the drain pan after pulling out the rubber plug. Check to ensure that water
flows smoothly through the hole by pricking it with a pencil.
2. Insert the rubber plug into the hole after the above checking.
3. Remove the drain pan after removing four fixing screws. Remove the drain pan carefully, since the
drain water may remain at the bottom of the drain pan.
4. Clean and dry the drain pan after removing it. Handle the drain pan carefully not to damage it.
TURN OFF all power source switches.
Procedure
98
Tool
Phillips Screwdriver
Phillips Screwdriver
Phillips Screwdriver
Adjustable Wrench
Phillips Screwdriver
Phillips Screwdriver
Phillips Screwdriver