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11 DISASSEMBLY PROCEDURE
PUMY-P60NKMU PUMY-P60NKMU-BS
OPERATING PROCEDURE
PHOTOS & ILLUSTRATION
1. Removing the front service panel and top panel
<Service panel>
(1) Remove 3 front service panel fixing screws (5 × 12)
(2) Slide the hook on the right downward to remove the ser-
vice panel.
<Top panel>
(1) Remove the top panel fixing screws (3 for front, 3 for
rear/5 × 12).
(2) Lift the top panel to remove it.
*The top panel and the service panel share one of the
screws.
2. Removing the fan motors MF1 (upper) and MF2 (lower)
(1) Remove the service panel and the top panel. (See Photo 1.)
(2) Remove 4 fan grille fixing screws (5 × 12) to remove MF1
(upper) or MF2 (lower) fan grille. (See Photo 1.)
(3) Remove a nut (right handed screw of M6) to remove a
propeller fan. (See Photo 2.)
(4) Disconnect the relevant connector CNF1 (for MF1) or
CNF2 (for MF2) from the control board in the electrical
parts box.
(5) Remove 4 fan motor fixing screws (5 × 20) and remove
the fan motor together with the lead wire. (See Photo 3)
3. Removing the electrical parts box
(1) Remove the service panel and top panel. (See Photo 1)
(2) Disconnect the indoor unit connecting lead wires and the
power supply wires from the terminal blocks TB3 and TB1
on the multi controller board.
(4) Disconnect all the following connectors from the multi-controller
board;
fan motor, thermistor <Outdoor pipe>, thermistor (HIC pipe)
thermistor <Compressor>,
thermistor <Low pressure saturated temp>,
thermistor <Outdoor>, high pressure switch,
high pressure sensor, low pressure sensor,
4-way valve coil and bypass valve coil, and
electronic expansion valve.
<Diagram symbo indicating connector housings>
• Fan motor (CNF1, CNF2)
• Thermistor <HIC pipe> (TH2)
• Thermistor <Outdoor pipe> (TH3)
• Thermistor <Compressor> (TH4)
• Thermistor <Low pressure saturated temp, Outdoor> (TH6/7)
• High pressure switch (63H)
• High pressure sensor (63HS)
• Low pressure sensor (63LS)
• Electronic Expansion Valve (CNLVA and CNLVB)
• Solenoid valve coil <Four-way valve> (21S4)
• Solenoid valve coil <Bypass valve> (SV1)
Photo 2
Photo 3
Photo 1
Top panel fixing screws
Top panel
Service panel
fixing screws
Front service
panel
Fan grille
Grille fixing
screws
Slide
Grille fixing
screws
Fan motor fixing screws
Fan
motor
Fan motor fixing screws
Propeller fan
Front panel
Nut
Front cover panel
Photo 4
Electrical
parts box
Terminal cover
Terminal block
(TB1)
Multi controller
board (MULTI.B)
Terminal block
(TB3) (TB7)
Compressor (MC)
Electrical parts box
fixing screws
Service or top
panel fi xing
screw
Fan grille
MF1 fan
MF2 fan
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