Note: Turn OFF the power supply before disassembly.
OPERATING PROCEDURE
PHOTOS
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 (3 for front, 3 for rear/5 × 12) of the
top panel and remove it.
Photo 1
Top panel fixing screws Top panel
Service panel
fixing screws
Service
panel
Fan grille
Grille fixing
screws
Grille fixing
screws
Slide
Service panel
fixing screw
2. Removing the fan motor (MF1, MF2)
(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 connectors, CNF1 and CNF2 on out-
door multi controller circuit board in electrical parts
box.
(6) Remove 4 fan motor fixing screws (5 × 20) to detach
the fan motor. (See Photo 3)
Photo 2
Propeller
Front panel
Nut
Fan motor fixing screws
Fan
motor
Fan motor fixing screws
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 connecting wire from terminal block.
(4) Remove all the following connectors from outdoor multi
controller circuit board;
<Diagram symbol in the connector housing>
• Fan motor (CNF1, CNF2)
• Thermistor <HIC pipe> (TH2)
• Thermistor <Outdoor liquid pipe> (TH3)
•
Thermistor <Compressor> (TH4)
• Thermistor <Suction pipe/Ambient>
(TH6/7)
• High pressure switch (63H)
• High pressure sensor (63HS)
• Low pressure sensor (63LS)
• 4-way valve (21S4)
• Bypass valve (SV1)
Pull out the disconnected wire from the electrical parts
box.
(5) Remove the terminal cover and disconnect the com-
pressor lead wire.
Photo 4
Front panel
fixing screws
(4 x 10)
Electrical
parts box
Terminal cover
Cover panel
(Front)
Valve bed
Terminal block
(TB1)
Terminal block
(TB1B)
Outdoor multi con-
troller circuit board
(MULTI.B)
Terminal blocks
(TB3) (TB7)
Compressor (MC)
Front panel fixing screws (5 x 12)
Front panel
fixing screws (5 x 12)
Valve bed
fixing
screws
Cover panel
fixing screws
146
11
DISASSEMBLY PROCEDURE
PUMY-P112VKM3(-BS)
PUMY-P125VKM3(-BS)
PUMY-P140VKM3(-BS)
Continue to the next page
OCH632A
Summary of Contents for PUMY-P112VKM3
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