Disassembly Procedure - Mitsubishi Electric PLFY-P20VCM-E Technical & Service Manual

8

DISASSEMBLY PROCEDURE

PLFY-P20·P25·P32·P40VCM-E.TH
OPERATING PROCEDURE
1. Removing the air intake grille
(1) Slide the knob of air intake grille to the direction of the
arrow 1 to open the air intake grille.
(2) Remove the hook for secure belt on air inlet grille from the
panel.
(3) Slide the shaft in the hinge to the direction of the arrow 2
and remove the air intake grille.
2. Removing the fan guard
(1) Open the air intake grille.
(2) Remove the 3 screws of fan guard.
3. Removing the panel
(1) Remove the air intake grille. (Refer to 1)
Corner panel (See figure 2)
(1) Remove the screw of the corner.
(2) Slide the corner panel to the direction of the arrow 3, and
remove the corner panel.
Panel (See photo 2)
(1) Disconnect the connector that connects with the unit.
(2) Remove the 2 screws from the panel and loose another 2
screws, which fixed to the oval hole, have different diameter.
(3) Rotate the panel a little to remove the screws.(Slide the
panel so that the screw comes to a large diameter of the
oval hole, which has two different diameters.)
4. Removing the electrical parts
(1) Remove the 2 screws and the control box cover.
<Electrical parts in the control box>
• Indoor controller board (I.B)
• Indoor power board (P.B)
• Fan motor capacitor (C1)
• Fuse (FUSE)
• Varistor (ZNR)
• Terminal block (TB)
PHOTOS&ILLUSTRATIONS
Figure 1
Air intake grille
Air intake grille knob
Photo 1
Fan guard
Figure 2
Corner
panel
Photo 2
Connector
Screws
Photo 3
Indoor
Fan motor
controller
Capacitor
board (I.B)
(C1)
Indoor controller
box
15
Be careful on removing heavy parts.
Grille
Air intake grille
Corner
Screw
panel Panel
Indoor
Terminal
power
block
board
(TB5)
(P.B)
Varistor Fuse
(ZNR) (FUSE)
Screws
Screws
Panel
Terminal
block
(TB15)
Terminal
block
(TB2)