Hitachi RCI Service Manual page 380

12 Maintenance notes
Consumables
Consumable
Cleaning product
Adhesive tape
Piece of felt
¿ Indoor units
RCI(M) - 4-way cassette type
D A N G E R
Wear gloves to avoid injuries when handling components.
Work prior to cleaning
Turn off the power supply switches before starting maintenance work and fit the appropriate safety locks and warnings.
Wait 5 minutes after turning off the power supply switches.
Place a vinyl sheet on the floor to protect the furniture and other items from the cleaning water.
Remove the following components:
1 Optional air panel.
2 Electrical box.
3 Bellmouth and fan.
4 Drain pan.
5 Float switch.
Cleaning the indoor unit
Place a vinyl sheet around the heat exchanger to prevent the
cleaning water from splashing the insulation surface and drain
pump.
368
SMGB0063 rev. 1 - 10/2010
Remarks
Neutral soap
To secure the vinyl sheeting so that the room is protected
from the cleaning water
Diameter of 120 mm