12
5. Unit Parameter Setup.
CHANGING THE UNIT SETTINGS WILL DISCARD THE FACTORY SETTINGS!
FAN SPEED CAN ONLY BE ADJUSTED FROM THE CONTROL PANEL!
Fan Speed Setup Mode.
At the setup stage each of the speed settings (Speed 1, Speed 2 and Speed 3) can be attributed a specific supply and exhaust fan
performance. To enter the fan speed setup mode switch off the unit, then press and hold the
button on the control panel and hold
button for 3 seconds.
Fig. 9. Fan Power Adjustment
Upon entering the setup mode the panel display screen will show
the
and indicators (Fig. 9).
Set the fan speed as necessary using the
and
buttons.
While the speed is being set the display screen will show the
currently selected speed
,
or
.
To change the supply fan power press and hold the
button, then press the
button to increase the speed or press the
button to decrease it. Each press of the
and
buttons increases or reduces the supply fan power in 1 % increments. While the
button is pressed the display screen will indicate the current supply fan power (Fig. 10).
To change the exhaust fan power press the
button and while holding it use the
button to increase the power or the
button to decrease the power. Each press of the
and
buttons increases or reduces the exhaust fan power in 1 % increments. With
the
button pressed the display screen will indicate the current exhaust fan power.
To exit the fan speed setup mode and save the changes press and hold the
button. The remote controller cannot be used to adjust
the fan speed.
To revert to the factory settings enter the fan speed setup mode,
press the and buttons simultaneously and hold them for 3
seconds.
Factory Fan Speed Settings:
Speed 1 — 40 %
Speed 2 — 70 %
Speed 3 — 100 %
Fig. 10. Fan Power Adjustment
6. Filter Replacement Indication.
When the filters have reached the end of their service life (3,000
hours) the operating mode temperature normally shown on the
control panel display is replaced by the indicator prompting filter
replacement or cleaning (Fig. 11).
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