Mitsubishi Electric Mr.Slim PUHZ-RP35VHA3 Service Manual page 144

PUHZ-RP100/125/140YHA2
PUHZ-RP100YHA3
OPERATING PROCEDURE
1. Removing the service panel and top panel
(1) Remove 3 service panel fixing screws (5
the hook on the right downward to remove the service
panel.
(2) Remove screws (3 for front, 3 for rear/5
panel and remove it.
2. Removing the fan motor (MF1, MF2)
(1) Remove the service panel. (See figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Remove 5 fan grille fixing screws (5
fan grille. (See figure 1.)
(4) Remove a nut (for right handed screw of M6) to detach
the propeller. (See photo 1.)
(5) Disconnect the connectors, CNF1 and CNF2 on controller
circuit board in electrical parts box.
(6) Remove 4 fan motor fixing screws (5
fan motor. (See photo 2.)
3. Removing the electrical parts box
(1) Remove the service panel. (See figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Disconnect the indoor/outdoor connecting wire from
terminal block.
(4) Disconnect the connector CNF1, CNF2, LEV-A and LEV-B
on the controller circuit board.
<Symbols on the board>
• CNF1, CNF2 : Fan motor
• LEV-A, LEV-B : LEV
(5) Disconnect the pipe-side connections of the following parts.
• Thermistor <Outdoor pipe>(TH3) (TH33)
• Thermistor <Discharge>(TH4)
• Thermistor <Outdoor 2-phase pipe>(TH6)
• Thermistor <Outdoor>(TH7)
• High pressure switch (63H)
• 4-way valve coil (21S4)
• Bypass valve coil (SV)
(1)
10) and slide
10) of the top
10) to detach the
25) to detach the
PHOTOS & ILLUSTRATION
Figure 1
Top panel fixing screws
Grille
fixing
screws
Grille
fixing
screws
Photo 1
Front panel
Propeller
Nut
Photo 3
8
Screw
Front panel
9
Screw
144
Top panel
Service panel
Slide
Fan grille
Service panel
fixing screws
Photo 2
Fan
Fan motor fixing screws motor
Fan motor fixing screws
Controller circuit
Electrical
board (C.B.)
parts box
Noise filter
circuit
board (N.F.)
Terminal
block (TB1)
Terminal
block (TB2)
Valve bed
Compressor
(MC)
Terminal
cover
Cover panel
(Front)
Cover panel fixing screws
Continued to the next page.