6.1 Setting the air quantity
The air quantities of the MRXBOX90L unit for settings 1, 2 and 3 are
factory-set and are shown on page one.
The performance of the unit depends on the quality of the duct system
as well as on the filter resistance.
Important:
Setting 1: must always be lower than setting 2.
Setting 2: must always be lower than setting 3.
Setting 3: adjustable between 50 and 300/400 m
3
/h.
If these conditions are not complied with, the air quantity of the
higher setting will automatically be adjusted.
The air quantities can be modified as follows (as an example here the
air quantity for setting 3 will be changed from 300 to 280 m
3
/h).
1.
Press key
"F"
for 3 seconds to activate
the settings menu.
2. Use key
“+”
to select the desired parameter
(U1 = setting 1, U2 = setting 2, U3 = setting 3).
Settings U4 and U5 only apply when bypass
is required).
3. Press key
"OK"
for 1 second to display the
selected parameter value.
4. The selected parameter value can be changed
using keys
"+"
or
“-”.
5. The modified setting can now:
A. Be saved and stored
B. Be removed
C. Be restored to factory setting
A.
Simultaneously press keys
“F”
and
“+”
(first
press
“F”
and then
“+”
) to save the modified
setting; this value now blinks 3x to confirm that
it has been stored. The value remains on the
display.
Press key
"OK"
to return to the settings menu;
if required other settings can now be modified.
(step 2 - 5). Continue with item 6.
B.
Press key
"OK"
to return to the settings menu;
without saving the modified setting.
if required other settings can now be modified.
(step 2 - 5). Continue with item 6.
C.
Simultaneously press keys
“F”
and
“-”
(first
press
“F”
and then
“-”
) to go back to factory
setting. The factory setting will blink 3x and
remains at that value. The modified setting has
now been removed and the factory setting
remains on the display.
Press key
"OK"
to return to the settings menu;
If required several settings can now be
modified. (see item 2 to 5) Now continue with
item 6.
6. Press key
"F"
for 1 second to leave the
settings menu.
8
Leaflet Number 611272 January 2012
Installation and Maintenance
MRXBOX90L Mechanical Ventilation with Heat Recovery
- RESET -
- ON -
- SE
T -
- O
FF -
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