10
Micra 150 E
wARNINg!
If THE HEATER IS ON, THE UNIT CAN bE TURNED Off ONLY AfTER 20
SECONDS AfTER TURN-Off COMMAND TO ENSURE THE HEATER COOLINg. IN
THIS CASE THE INDICATOR
IS DISpLAYED.
4. Timer.
The timer is designed to switch the fans to maximum speed with subsequent automatic reset to a previous speed after set time period, from
20 to 60 minutes.
To turn the timer on/off:
from the control panel: press and hold the button
and then press the button
. Press the button once to set the timer for 20
minutes, each subsequent pressing extends the timer setting for 10 minutes. The maximum timer setting is 60 minutes. Press and hold the
button
for 3 seconds to turn the timer off;
from the remote controller: press the button
to turn the timer for 20 minutes on. To turn the timer off press the button
or
.
5. Heat exchanger freezing protection.
If exhaust air temperature downstream of the heat exchanger is below +3 °C , the supply fan is turned off. After supply air temperature
rises above +3 °C, the unit reverts to the set operating mode.
6.
Unit setup modes.
RE-ADJUSTMENT Of THE UNIT SETTINgS RESULTS IN LOSS Of THE fACTORY
SETTINgS!
fAN SpEED AND TEMpERATURE SENSOR SETUp IS pOSSIbLE ONLY fROM THE
wALL-MOUNTED CONTROL pANEL!
fan capacity setup mode.
The capacity of low, medium and high speeds are adjustable. To enter the fan speed setup mode, turn the unit off. Then press and hold
the button
on the control panel and hold the button
pressed for 3 seconds.
Fig. 11. Fan speed setup
Access to the setup mode is confirmed by the indicator
and fig. 11 on the control panel display.
To select the required speed to be adjusted use the buttons
and
.
During fan speed setup the selected speed is displayed by the
indications
,
or
.
To adjust the supply fan capacity press and hold the button
and then press the button
to set the fan speed up or the
button
to set the fan speed down. Each pressing of the button
and
increases or decreases the supply fan by 1%. If the button
remains pressed the display indicators show the current supply fan speed, fig. 12.
To adjust the supply fan speed press and hold the button
and regulate the speed by the button
for setting speed up and
the button
for setting speed down. Each pressing of the button
and
increases or decreases the exhaust fan speed by 1%. If the
button
remains pressed the display indicators show the current exhaust fan speed. To exit the fan speed setup mode and save changes
press the button
.
Fan speed adjustment is not possible with the remote controller.
