Mitsubishi Electric PUMY-P125VMA, Техническое и сервисное руководство

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80
12 DISASSEMBLY
✻
1. Please pay attention to safety when assembling or disassembling heavy items.
2. The refrigerant system must be vacuum-pumped before performing piping maintenance.
Service Ref. : PUMY-P125VMA
PUMY-P125YMA
PUMY-P125YMA
1
OPERATING PROCEDURE PHOTOS
1. Side and top panel disassembly procedures:
(1) Remove the side panel screws (3 pcs : 5
o
10 screws)
so that the hanging portion on the right side can
be slid downward. Remove the side panel.
(2) Remove the top panel screws (5
o
10 screws :
3 pcs in front, 2 pcs in back) and take off the top panel.
<If the rear screws on the top panel cannot be
removed>
Remove the front screws on the top panel (3 pcs : 5
o
10
screws) and lift up the front part of the top panel.
2. Propeller and fan motor disassembly procedures:
(1) Remove the side panel (See photo 1)
(2) Remove the top panel (See photo 1)
(3) Remove the fan protection cover fixing screw
(1 pc : 15
o
15), and take off the fan guard by rotating
it to the left.
(4) [PUMY-P125VMA]
Remove the fan motor wires (MF1) (MF2) from the
multi circuit board. Remove the capacitor wires.
[PUMY-P125YMA, PUMY-P125YMA
1
]
Remove the fan motor wires (MF1) (MF2) from the
power supply board. Remove the capacitor wires.
(5) Loosen the fan motor wire clips (3 pcs).
(6) Remove the propeller.
(7) Remove the fan motor screws (3 pcs : 5
o
16 screws)
and remove the fan motors.
Photo 1
Photo 2
PUMY-P125VMA
Top panel
installation screws
Fan protection
covers
Fan protection
cover fixing
screws
Multi circuit
board
Side panel
installation
screws
Power circuit board
Top panel
Propeller
Front panel
Side panel
(for service)
Fan motors
Electrical
parts box
Multi controller
board
Power supply board
Propeller
Fan motors
Photo 3
PUMY-P125YMA, PUMY-P125YMA
1
Electrical
parts box
OC272A--3.qxp 03.9.4 11:10 AM Page 80