Helios KWL-BEC, Operating Instructions Manual, Page: 40 / 96

Operating instructions
Comfort controller KWL-BEC
6
GB
MENU
ܐ
2.1 Functional level 1
MENU – Ventilation regulation Automatic / Manual :
The power regulation of the KWL ventilation unit can be set automatically or manually.
TIP The values are displayed or adjusted by rotating the rotary encoder right or left
In automatic operation, the fan stage is regulated depending on the humidity, the CO
2
concentration, VOC
concentration and/or the weekly programme. In this respect, the corresponding accessory components
CO
2
sensors = KWL-CO
2
, VOC sensors = KWL-VOC or humidity sensors = KWL-FTF must be connected
to the KWL unit. The connected sensor types are also shown on the controller display (see Fig.).
Stage 1 (Auto) Stage 2 (Auto) Stage 3 (Auto) Stage 4 (Auto)
In manual operation, the fan stages are regulated individually. The following stages can be selected by
rotating the rotary encoder to the right:
Stage 0-1-2-3-4
Stage 1 (Manual) Stage 2 (Manual) Stage 3 (Manual) Stage 4 (Manual)
Note:
The 0 stage is possible after the setting „ Minimum fan stage = 0”.