Mitsubishi Electric CAHV-R450YA-HPB Service Manual page 178

[ X Troubleshooting ]
4. Reactor replacement instructions
Procedure
(1) Unscrew the six screws, and remove the service panel FU
on the left.
(2) Unscrew the four screws, and remove the control box
panel. Set SWS1 of the control board to OFF, and turn off
the main power supply (breaker).
(3) Disconnect the four on-site wires and the ground wire from
the terminal screws.
(4) Disconnect the three DCL wires by unscrewing two screws
and disconnecting a connector.
HWE22020
Control box panel
Disconnect the on-site
wires and the ground wire.
Screws for on-site wires (4 places)
Disconnect the three DCL wires.
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Illustration
Panel FU
Screws (6 places)
Screws (4 places)
Ground wire screw
Screws (2 places)
Connector
GB