Toshiba TOSVERT VF-FS1 Instruction Manual page 22

1.3.3 How to open the front (terminal board) cover-18.5kW or less
To wire the terminal board, remove the front lower cover in line with the steps given below.
(1)
Turn the locking screw on the right side of the front panel 90°
counterclockwise to align the dot on the screw with the unlock
position mark (upper side). To avoid damage to the screw, do
not apply excessive force to turn the screw more than 90 degrees.
(3)
Remove the terminal board cover by pulling it up toward you.
Terminal board cover
A-11
(2)
Pull the front panel toward you
and swing it open to the left.
(4)
Wiring port cover
Remove the wiring port cover by pulling it down,
pass cables through the wiring port, and connect
the cables to the terminal board.
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