3.1.5 Night-time cooling
Active period >
Set point >
Min. supply temp. >
ΔT max.
>
ΔT min. >
Start time >
Stop time >
HC blocking >
Permit night-time cooling >
Summer
18°C
10°C
6K
3K
00:00
06:00
60hr
3.1.5.9 Permit night-time cooling
Comfort >
Standby >
Economy >
Yes
No
No
Lines in Menu 3.1.5
Function
Factory setting
Operating period
● Select "None" to deactivate night-time
cooling.
● Select "Always" to activate night-time
cooling all year round.
● Select "Summer" to activate night-
time cooling during summertime. See
summer/wintertime icon on the front
of the HMI.
Summer
Set point
Set point for desired room temperature
during night-time cooling
18°C
Min. supply air temp.
If the selected minimum supply air temper-
ature cannot be met, night-time cooling
stops
10°C
ΔT max.
Setting for temperature difference be-
tween outdoor air and extract air*, when
the unit operates with 100% fan speed.
6K
ΔT min.
Setting for temperature difference be-
tween outdoor air and extract air*, when
the unit operates with 50% fan speed.
From ΔTmin. to ΔTmax. the fan speed in-
creases from 50% to 100%.
3K
Start time
Start time for night-time cooling
00:00
Stop time
Stop time for night-time cooling
06:00
HC blocking (heating coil blocking)
Time interval prior to night-time cooling
during which there must not have been
any heating requirement
60 hr
Permit night-time cooling
Menu 3.1.5.9 is used to configure condi-
tions under which night-time cooling is ac-
tivated. This menu is dependent on the
timer program for the following day
Comfort > Yes
Standby > No
Economy > No
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Starting up the unit for operation
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Summary of Contents for EXact2 VEX240 series
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