Disassembly Procedure; Removing The Compressor; Disassembly Instructions - Mitsubishi Electric MXZ-18NV Service Manual

12

DISASSEMBLY PROCEDURE

11-2 OUTDOOR UNIT
MXZ-18NV -
NOTE:
on the wiring diagram shows the terminals with a lock mechanism, so it
cannot be removed when you pull the lead wire be sure to pull the wire by
pushing the locking lever (projected part) of the terminal with a finger.
OPERATING PROCEDURE

Removing the compressor

(1) Remove the top panel.
(2) Remove the service panel and release the gas.
(3) Remove the rear panel, and front panel.
(4) Disconnect the compressor linking connector. (See Photo
2.)
(5) Disconnect the following connectors from the outdoor
electronic control P.C. board. CN61, CN63, TAB91,CN641,
CN671, CN681, CN682, CN761, CN771,CN661,CN683.
(6) Disconnect the reactor lead wires from the terminal +++ of
the diode stack (DS63) and from the terminal +++ of the
capacitor (C67). (See Photo 3.)
Note: When pulling the wire, push the locking lever of the
terminal.
(7) Remove the inverter assembly.
(8) Remove the band that fixes the discharge pipe muffler.
(See Photo 4.)
(9) Remove the propeller fan.
(10) Remove the separator and support.
(11) Remove the reactor.
(12) Remove the terminal cover to disconnect the lead wires
from the compressor terminals.
(13) Detach the welded section of the compressor suction pipe
and discharge pipe. (See Photo 4.)
(14) Remove the compressor nuts to remove the compressor.
Photo 3
Terminal for
diode stack (DS 67)
MXZ-18NV -
E1 E2
Outdoor electric
control P.C board
Terminal for
capacity(C 67)
Protrusion of
locking lever
PHOTOS
Photo 1
Front panel
Separator
Photo 2
support
Propeller
Photo 4
Discharge-pipe muffler
fixing band
Suction pipe
welded section
Sleeb
Top panel
Rear panel
Service
panel
Connect
cover
Separator
Separator
Outdoor
electronic
control P.C.
board
Compressor
linking
Reactor
connector
(in housing)
Discharge
pipe welded
section
53