Dimplex M Flex Air Installation And Operating Instruction page 31

Domestic ventilation unit M Flex Air (Plus)
8.4.8 Service menu 70 – Special func.
Settings for special requirements can be configured in this
menu.
71Passive house
If the ventilation unit is installed in a passive house, the "Passive
house" function must be activated. This function switches off
the ventilation unit automatically at a supply temperature of <
+5°C.
HINWEIS
NOTE
In a passive house, a preheating register is required for the
outside air.
Instead of the factory fitted supply air filter, the optional sup-
ply air filter with filter class F7 must be used.
72Auto on demand
Auto on demand is a special operating mode for living space
that is not used permanently and on a regular basis (e.g. holiday
homes and holiday apartments).
The requirement is that an air quality sensor (optional) must be
connected to the ventilation unit.
If the Auto on demand function is activated, it replaces the Au-
tomatic operating mode ("Auto on demand" is shown in the dis-
play instead of Automatic).
After the time shown in Test interval has elapsed, the ventilation
unit starts for the configured test period to measure the air
quality. Where necessary, the ventilation unit remains in opera-
1s
1s
1s
Setting range
15...60 min
(5min increments)
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tion until an adequate air quality is achieved and then stops op-
eration for the set test interval.
The test interval can be set in the range 0.1...24 h. The factory
setting is 6 h.
The test period can be set in the range 0...120 min. The factory
setting is 15 min.
HINWEIS NOTE
Auto on demand does not satisfy the requirements for normal
rooms in permanent use.
73Defrost time
Configuration of the defrost time after the conditions have oc-
curred for its activation.
The factory setting is 30 min.
74Defrosting
Configuration of the minimum time between defrosting cycles
after the end of defrosting. The factory setting is 0 min.
Configuration of the temperature for activation of defrost
mode. The factory setting is +3°C.
Configuration of the hysteresis for defrost mode. The factory
setting is +5°C.
HINWEIS NOTE
The settings in menu item 70 should only be changed by the
installation engineer.
1s
1s
1s
1s
Setting range
-20°C...+20°C
Setting range
0...60 min (5min increments)
DOK4SVxxDEN · FD 9912
1s 1s
Setting range Setting range
0.1...24.0 h 0...120 min
Setting range
+2°C...+10°C
English
1s
Setting range
0...100 %
1s
Settings:
activated / disabled
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