Removal Procedure; Removal Procedure Of Indoor Unit - Nobu NBL4-09IDU32 Service Manual

11. Removal Procedure

09/12K

11.1 Removal Procedure of Indoor Unit

Step
1. Remove filter assembly
Open the front panel. Push the left filter
and right filter until they are separate from
the groove on the front panel.
Remove the left filter and right filter
respectively.
2. Remove horizontal louver
Push out the axile bush on horizontal
louver. Bend the horizontal louver with
hand and then separate the horizontal
louver from the crankshaft of step motor
to remove it.
3. Remove panel
a
① A1/B6/C2/C4 display: Screw off the 2
screws that are locking the display board.
Separate the display board from the front
panel.
② A2/A3 display: Screw off the 2 screws
that are locking the display board.
This display can be disassembled only
after removing the front case (refer to step
5 of disassembly).
③ A5/B2/B4/B8/C6/D2 display: Screw off
the 2 screws that are locking the display
board.
Separate the panel rotation shaft from
b
the groove fixing the front panel and then
removes the front panel.
66 116
Caution: discharge the refrigerant
completely before removal.
Procedure
Front panel
Left filter
Horizontal louver
A1 display
Front panel
A2/A3 display
Screws
Service Manual
Right filter
Groove
Location of step motor
Axile bush
Screws
Panel rotation
Groove
A5/B2/B4/B8/C6/D2 display
Installation and Maintenance
Installation and Maintenance
Service Manual
Front
case
Panel
Screws