Puhz-P100Vha2.Uk; Puhz-P100Vha3.Uk - Mitsubishi Electric Mr.Slim PUHZ-P100VHA2 Service Manual

15 DISASSEMBLY PROCEDURE

PUHZ-P100VHA2.UK

OPERATING PROCEDURE
1. Removing the service panel and top panel
(1) Remove 3 service panel fixing screws (5 × 10) and slide
the hook on the right downward to remove the service
panel.
(2) Remove screws (3 for front, 3 for rear/5 × 10) of the top
panel and remove it.
2. Removing the fan motor (MF1)
(1) Remove the service panel. (See Figure 1)
(2) Remove the top panel. (See Figure 1)
(3) Remove 5 fan grille fixing screws (5 × 10) to detach the
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 connector CNF1 on controller circuit
board in electrical parts box.
(6) Remove 4 fan motor fixing screws (5 × 25) to detach the
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) Remove all the following connectors from controller circuit board;
fan motor, linear expansion valve, thermistor<Outdoor pipe>,
thermistor<Discharge>, thermistor<Outdoor 2-phase pipe>,
thermistor<Outdoor>, thermistor<Heatsink>,
high pressure switch, 4-way valve and bypass valve.
Then remove a screw (4 × 8) from the valve bed to
remove the lead wire.
Pull out the disconnected wire from the electrical parts box.
<Diagram symbol in the connector housing>
• Fan motor (CNF1)
• LEV (LEV-A)
• Thermistor <Outdoor pipe> (TH3)
• Thermistor <Discharge> (TH4)
• Thermistor <Outdoor 2-phase pipe, Outdoor> (TH6/7)
• Thermistor <Heatsink> (CN3)
• High pressure switch (63H)
• 4-way valve (21S4)
(5) Remove the terminal cover and disconnect the compressor
lead wire.
(6) Remove an electrical parts box fixing screw (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.

PUHZ-P100VHA3.UK

93
PUHZ-P100VHA3R1.UK
PHOTOS & ILLUSTRATION
Top panel fixing screws
Figure 1
Fan grille
Grill fixing screws
Photo 1
Front panel
Propeller
Nut
Front panel fixing screws
Photo 3
Valve bed
Cover panel fixing screws
Top panel
Slide
Service panel
Service panel
fixing screws
Photo 2
Fan
motor
Fan motor fixing screws
(MF1)
Fan motor
fixing screws
Electrical parts box
Controller circuit
board
(C.B.)
Electrical parts
box fixing screw
Terminal block
(TB1)
Terminal cover
Compressor (MC)
Cover panel
(Front)