45
PKFY-P18NFMU-E PKFY-P24NFMU-E PKFY-P30NFMU-E
OPERATING PROCEDURE
PHOTOS & ILLUSTRATION
Metal fixture
Screws
1. Removing the lower side of the indoor unit from the
installation plate
(1) Remove the 2 screws.
Hang the indoor unit hangers to the catches on the instal-
lation plate.
Hanger of indoor unit
Catch of installation plate
2. Removing the right side panel
(1) Remove the 2 screws of the right side panel: one on the
bottom and the other on the upper right-hand side.
(2) Sliding the right side panel to the right, pull it out toward
you.
Terminal cover
Electrical parts box cover
Indoor controller
board
Right side panel
3. Removing the indoor controller board
(1) Remove the right side panel.
(2) Remove the screw of the electrical parts box cover, and
remove the cover.
(3) Disconnect the connectors on the indoor controller board.
(4) To unhook the catches on the right-hand side of the
indoor controller board, pull the left-hand side toward you
and lift up the cover to the right. Then the indoor control-
ler board can be removed.
4. Removing the electrical parts box
(1) Remove the right side panel.
(2) Remove the screw of the electrical parts box cover and
controller cover, and remove each the cover.
(3) Disconnect the vane motor, the linear expansion valve,
the room temperature thermistor, the liquid pipe temperature
thermistor and the gas pipe temperature thermistor connec-
tor on the indoor controller board.
(4) Remove the 2 screws of the electrical parts box.
(5) Disconnect the connector of the fan motor lead wire. (Fan
motor side)
(6) Remove the electrical parts box.
Figure 1
Figure 2
Photo 1
Photo 2
Catches
Room temperature thermistor
Electrical
parts box
Electrical
parts box
Indoor controller
board
Screws