Mitsubishi Electric PUHY-P-YSJM-A, Data Book

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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.
• 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.
• 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.
• 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).
• 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.
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Top front panel
Remote controller
Connector A
Bottom front panel
Securing screws