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4. OPERATION PROCEDURE
Variable Fan Speed
The variable fan speed function is beneficial for changing circulation speed to match ventilation
flow using 10 different fan motor speeds.
Fan speed is the same between settings 1 (about 650rpm) and 9 (about 1400rpm), regardless of
whether unit is operating at 50Hz or 60Hz. Frequency affects setting 10 only, which operates at
approximately 1420rpm at 50Hz, and approximately 1600rpm at 60Hz.
Turn main power switch ON (
｜
) (idle).
Press and hold to turn control panel power on
(standby).
Current temperature reading is shown in upper
display. Temperature setting is shown in lower
display.
Fan begins running (runs while door is closed and
stops whenever door is opened).
Navigate to fan speed setting menu
Press repeatedly until “ ” shows in lower
display.
Fan speed may be set while operation is in
progress.
Setting fan speed in standby
1) Press so that “ ” appears with
the “ ” flashing in the lower display.
2) Press again so that current speed
setting, (
～
) shows flashing in the upper
display.
3) Using , set speed and finalize by
pressing .
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