Removing The Service Panel And Top Panel; Removing The Fan Motor (Mf1); Removing The Electrical Parts Box; 13 Disassembly Procedure - Mitsubishi Electric Mr.Slim PUHZ-P100VKA Service Manual

13 DISASSEMBLY PROCEDURE

PUHZ-P100VKA.TH(-ET/-ER) PUHZ-P100YKA.TH(-ET/-ER)
PUHZ-P125VKA.TH(-ET/-ER) PUHZ-P125YKA.TH(-ET/-ER)
PUHZ-P140VKA.TH(-ET/-ER) PUHZ-P140YKA.TH(-ET/-ER)
OPERATING PROCEDURE

1. Removing the service panel and top panel

(1) Remove 3 service panel fixing screws (5 × 12) and slide
the hook on the right downward to remove the service
panel.
(2) Remove screws (2 for front, 3 for rear/5 × 12) of the top
panel and remove it.

2. Removing the fan motor (MF1)

(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 4 fan grille fixing screws (5 × 12) to detach the fan
grille. (See Photo 1)
(4) Remove a nut (for right handed screw of M6) to detach the
propeller. (See Photo 2)
(5) Disconnect the connector CNF1 on controller circuit board
in electrical parts box. (See Photo 4)
(6) Loosen a clamp on the side of the motor support.
(See Photo 3)
(7) Remove 4 fan motor fixing screws (5 × 20) to detach the
fan motor. (See Photo 3)

3. Removing the electrical parts box

(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Disconnect the indoor/outdoor connecting wire and power
supply wire from the terminal block.
(4) Disconnect the connector CNF1, LEV-A and LEV-B on the
controller circuit board.
<Symbols on the board>
• CNF1 : Fan motor
• LEV-A and LEV-B : LEV
(5) Disconnect the pipe-side connections of the following parts.
• Thermistor <Liquid> (TH3)
• Thermistor <Discharge>(TH4)
• Thermistor <2-phase pipe, Ambient>(TH7/6)
• High pressure switch (63H)
• Thermistor <Comp. surface> (TH33)
• 4way valve (21S4)
(6) Remove a nut from the terminal cover. (See Photo15)
(7) Remove the terminal cover and disconnect the compressor
lead wire.
OCH670
PHOTOS/FIGURES
Photo 1
Top panel fixing screws
Grille fixing
screws
Front panel
Photo 2
fixing screws
Propeller fan
Nut
Front panel
Front panel
fixing screws
Photo 4
Compressor
lead wire
*Only YKA type has TB2.
104
Top panel
Service panel
Slide
Service panel
fixing screws
Cover panel
fixing screws
Photo 3
Fan motor
Fan motor
fixing screws
Fan motor fixing
Clamp
screws
Electrical parts box
Controller
circuit
board (C.B.)
Terminal
block (TB1)
Terminal
block (TB2)*
Side panel
Valve bed
Compressor
(MC)
Continued to the next page.