Night Ventilation - Wolf WRS-K Installation And Operating Instructions Manual

10.2.4 Night ventilation

(condition: outside and room
temperature sensor installed)
Night ventilation
Enabling:
Esc BACK SELECTION
3062878_201707
10. Operating level 2
Standard mask
ventilation
Night ventilation can be activated via a parameter. In summer, cooling energy is
NL-01
saved with night ventilation by pre-cooling rooms at night (system in manual mode,
time program or BMS off) with cool outdoor air for the following day.
This function is active when the outside temperature exceeds an adjustable
temperature (minimum outside temperature).
(NO)
Night ventilation is activated if, under the above conditions, the room temperature
exceeds an adjustable temperature (start value, room temperature), and the outside
temperature < room temperature - delta outside temperature / room temperature
DISPLAY
(adjustable):
- Fan on (with adjustable speed or stage)
- Fresh air, exhaust air damper open, mixing damper closed
Night ventilation remains active, until the room temperature < start value room
temperature - differential room temperature or outside temperature ≥ room
temperature - (delta outside temperature / room temperature - differential delta
outside temperature / room temperature).
Parameter
Enabling
Start value, room temperature
Differential
Delta outside temp / room temp.
Differential
Enable acc. to outside temperature
Fan speed
Fan stage
Pressure
Flow rate
Main menu
Esc
0 - 120,000 m³/h
Heating contractor
Setting range Factory setting
Yes/No
5 - 50 °C 22 °C
1 - 10 K
2 - 20 K
2 - 20 K
10 - 20 °C 15 °C
20 - 100 % 60 %
1 - 3
0 - 6000 Pa 250 Pa
1000 m³/h
Night
No
2 K
5 K
2 K
2
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