Mitsubishi Electric MXZ-2A20NA-1 Service Manual page 59

OPERATING PROCEDURE
3. Removing the 4-way valve
(1)Remove the top panel (Photo 1).
(2)Remove the service panel, the cabinet and the back panel
(Photo 1, 2, 3).
Recover refrigerant gas.
(3)Remove the electrical parts (Photo 4).
(4)Detach the welded parts of 4-way valve and pipe.
4. Removing the expansion valve
(1)Remove the top panel (Photo 1).
(2)Remove the service panel, the cabinet and the back panel
(Photo 1, 2, 3).
(Gas recovery is not required if the unit is pumped down.)
(3)Remove the cabinet for removing LEV E (Photo 1, 2, 5).
(4)Remove the electrical parts for removing LEV E (Photo 4, 5).
(5)Remove the LEV coils.
(6)Detach the welded parts of expansion valves and pipes.
5. Removing the reactor
(1)Remove the top panel (Photo 1).
(2)Remove the service panel, cabinet, back panel and the relay
panel.
(3)Disconnect the reactor lead wire from the terminal of the
reactor.
(4)Remove the screws of the reactor, and remove the reactor
(Photo 9).
Photo 7
R.V. coil
4-way valve
Photo 8
LEV coils
Photo 9
Screws of the reactor
59
PHOTOS
Welded parts
Expansion
valves