Mitsubishi Electric Mr. Slim PUHZ-ZRP35VKA Service Manual page 136

PUHZ-ZRP100VKA
OPERATING PROCEDURE
1. Removing the service panel and top panel
(1) R emove 3 service panel fixing screws (5 × 12) and slide
the hook on the right downward to remove the service
panel.
(2) R emove screws (3 for front, 3 for rear/5 × 12) of the top
panel and remove it.
2. Removing the fan motor (MF1, MF2)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) R emove 4 fan grille fixing screws (5 × 12) to detach the
fan grille. (See Photo 1)
(4) R emove a nut (for right handed screw of M6) to detach the
propeller. (See Photo 2.)
(5) D isconnect the connectors, CNF1, CNF2 on controller
circuit board in electrical parts box.
(6) R emove 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) D isconnect the indoor/outdoor connecting wire from
terminal block.
(4) D isconnect the connector CNF1, CNF2, LEV-A and LEV-B
on the controller circuit board.
<Symbols on the board>
• Fan motor (CNF1, CNF2)
• LEV (LEV-A and LEV-B) (LEV-C (140 only))
(5) Disconnect the pipe-side connections of the following parts.
• Thermistor <Outdoor pipe> (TH3) (TH33)
• Thermistor <Discharge> (TH4)
• Thermistor <Outdoor 2-phase pipe, Outdoor> (TH7/6)
• High pressure switch (63H)
• 4-way valve coil (21S4)
• Thermistor <Comp. surface> (TH32)
(6) R emove the terminal cover and disconnect the
compressor lead wire.
(7) R emove 2 electrical parts box fixing screws (4 × 10) and
detach the electrical parts box by pulling it upward. The
electrical parts box is fixed with 2 hooks on the left and 1
hook on the right.
OCH527C
PUHZ-ZRP125VKA PUHZ-ZRP140VKA
PHOTOS
Photo 1
Top panel fixing screws
Grille
fixing
screws
Grille
fixing
screws
Photo 2
Front panel
Propeller
Nut
Photo 4
Electrical parts box
136
Top panel
Service panel
Slide
Service panel
fixing screws
Cover panel
fixing screws
Photo 3
Fan motor
fixing screws
Fan motor
Fan motor
fixing screws
Electrical parts
box fixing screw