Mitsubishi Electric PFAV-P250VM-E Data Book page 74

Notes on when an optional plenum chamber is installed
The unit described in this manual is designed to be used with a duct. When an Optional plenum chamber
is used, an adjustment of the pulley is required.
• Refer to the manual that came with the plenum chamber for how to install it.
Notes on how to remove the top front panel on the unit (P250, P500, P300-F,P600-F models)
Before removing the top front panel (panel with a built-in remote controller) to adjust or replace the pulley
or belt, or to install optional parts, remote controller cables need to be disconnected.
Take the following procedures to remove the panel.
(1) Loosen the two securing screws on the bottom front panel, pull the front panel forward, and remove the
panel by pulling the panel up and forward.
(2) Disconnect the remote controller connector A in the figure below.
✻ Be sure to disconnect the connector before removing the top front panel to prevent the remote
controller cable from being damaged.
(3) Remove the two fixing screws on the top front panel and pull open the panel bottom, and then pull up
the remote controller cable (connector A).
(4) Pull up the top front panel to remove it.
✻ Use caution not to place the panel on the cables or connector.
Note : Support the bottom front panel to prevent it from falling forward when removing the securing screws.
Top front panel
Remote controller
Connector A
Securing screws
Bottom front panel
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