Helios KWL-BEC, Operating Instructions Manual, Page: 35 / 96

Operating instructions
Comfort controller KWL-BEC
1
GB
CHAPTER 1
GENERAL INSTALLATION AND
OPERATING INSTRUCTIONS
1.0 Important information
In order to ensure complete and effective operation and for your own safety, all of the following
instructions should be read carefully and observed. The relevant national standards, safety regulations
and instructions (e.g. DIN EN VDE 0100) as well as the technical connection conditions of the energy
supply company must be observed and applied.
Keep the operating instructions close to the unit for easy reference.
1.1 Warning and safety instructions
The accompanying symbol is a safety-relevant prominent warning symbol. All safety regulations
and/or symbols must be absolutely adhered to, so that any dangerous situation is avoided.
1.2
Warranty claims
– exclusion of liability
Our warranty shall not apply if the following instructions are not observed. The same applies for liability
claims against the manufacturer.
The use of accessories, which are not recommended or offered by Helios, is not permitted. Any damage
that may occur is not liable for warranty.
NOTE
ܐ
1.3 Certificates - guidelines
If the product is installed correctly and used to its intended purpose, it conforms to all applicable European
Standards at its date of manufacture.
1.4 Receipt
The delivery contains the comfort controller: KWL-BEC
Please check delivery immediately on receipt for accuracy and damage. If damaged, please notify the
carrier immediately. In case of delayed notification, any possible claim may be void.
1.5 Application – Operation
All available KWL ventilation units in the Helios range can be controlled by the comfort controller KWL-
BEC (excluding large KWL units (KWL EC 700 D, KWL EC 1400 D, KWL EC 2000 D, KWL EC 800 S,
KWL EC 1800 S, KWL EC 2600 S and wall-
mounting units KWL EC 60...).
ATTENTION
Any use other than the intended use is prohibited!
1.6
Functions
– Graphic display
– Initial start-up assistant
– Operating stage selection (auto/manual, stages 1-4)
– Possible connection of up to 8 units
– Four freely definable operating stages within the entire performance diagram
– Setting weekly programme Ventilation/heating
– Setting CO
2
, VOC and humidity parameters
– Display of e.g. filter change, operating conditions, operating hours and error messages
– Lock function
1.7 Technical data
KWL-BEC for flush-mounted installation
Voltage/frequency
Operating stages
Control line (digital)
Protection class
Dimensions mm
Ref. no.
Accessories:
KWL-APG
Housing for flush-mounted installation
Dimensions mm
Ref. no.
230 V~/50 Hz
4
SL 4/3 (3 m long)
IP 20
W 80 x H 80 x D 37
4263
W 80 x H 80 x D 51
4270