Servicing; 4-Way Cassette (Compact) Type; Removing Air Filter And Air Inlet Grille - Hitachi RAI-50PPD Service Manual

1.

Servicing

Use the specified refrigerant (R32), an odourless flammable refrigerant to the outdoor unit in the
refrigerant cycle. Do not charge the unit with materials other than R32, such as hydrocarbon
refrigerants (propane, etc.), oxygen, flammable gases (acetylene, etc.) or poisonous gases when
installing, maintaining and moving the unit. Contamination of these are extremely dangerous and
may cause an explosion, a fire, and an injury.
1.1 4-Way Cassette (Compact) Type
1.1.1 Removing Air Filter and Air Inlet Grille
(1) The air filter is attached to the inside of the air inlet grille. While sliding the knobs on both sides of the
air inlet grille in the arrow directions, open the air inlet grille.
(2) Push the air filter toward the arrow direction to remove from filter catches. Remove air filter from the air
inlet grille.
(3) Open the air inlet grille at an approximately 45
grille, lift it up to draw it forward.
NOTE:
If for some reason the angle of the louvers is changed during air filter replacement/cleaning, adjust the
louver angle in auto swing mode.
TURN OFF all power source switches.
o
angle from the air panel surface. Tilting the air inlet
Knob Knob Knob
Air Inlet Grille Air Inlet Grille Air Inlet Grille
85
SERVICING

(4-Way Cassette (Compact) Type)

Filter Catches
Approx. 45
Air Filter
o