TIP!
TIP!
1
1.0
Important Informationen
To ensure safety and correct operation please read and observe the following instructions carefully before proceeding.
The electrical connection must be fully isolated from the supply up to the final assembly!
Keep the installation
and operating instructions as a reference at the device. After the final assembly the document must be handed out to
the operator (tenant/owner).
1.1
Warning and safety instructions
Accompanying symbol is a safety-relevant prominent warning label. All safety regulations and/or symbols must
be absolutely adhered to, so that any danger situation is avoided.
1.2
Warranty – Exclusion of liability
If the preceding instructions are not observed all warranty claims and accommodation treatment are excluded. This
also applies to any liability claims extended to the manufacturer.
The use of accessories not offered or recommended by Helios is not permitted. Potential damages are not liable for
warranty.
1.3
Certificates
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
Please check delivery immediately on receipt for accuracy and damage. If damaged, please notify carrier immediately.
In case of delayed notification, any possible claim may be void.
1.5
Storage
When storing for a prolonged time the following steps are to be taken to avoid damaging influences:
Protection by dry, air- dustproof packing (plastic bags with drying agent and moisture indicators). The storage place
must be water proof, vibration-free and free of temperature variations.
Damages due to improper transportation, storage or putting into operation are not liable for warranty.
1.6
Application - Operation
The units with heat recovery KWL EC 60 Eco are designed for the installation in external walls to ventilate small and lar-
ge single rooms. For a medium-sized flat the installation of two units is recommended The standard equipment per-
mits the installation and the application in frost-free rooms> + to 5 °C.
If the unit is to be used in other applications where high humidity, excessive dust, temperature in excess of 40 °C or
long periods at standstill (not running), please contact your local Helios dealer for advice. This also applies for special
technical and electrical applications.
The fan may only be used according its intended purpose!
1.7
Mode of operation
The heat of the extracted air is recovered by the large heat transfer area aluminium plate heat exchanger and transfer-
red though the plates to the incoming fresh external air, so both air flows remain separated. Though this procedure
more than 70 % of the extract air heat is being transferred to the external air. Two electrically operated shutters seal air-
tight to the outside when the unit is off.
1.8
Performance
The unit must be installed correctly to achieve the optimum performance. This applies to the installation of the unit and
the replacement air supply.
1.9
Fireplaces
The relevant applicable rules for the joint operation of fireplaces, ventilation, extraction hoods (Federal Asso-
ciation of Chimney Sweeps (ZIV)) must be observed!
General building regulation requirements
The ventilation units with heat recovery KWL can only be installed and operated in rooms with other room air-depen-
dent fireplaces if the exhaust duct is monitored by special safety devices, which switch off the ventilation unit KWL
when activated.
We recommend that you consult the responsible chimney sweep in order to accommodate your wishes before purcha-
sing an underpressure monitoring system for fireplaces.
Wall installed unit KWL EC 60 Eco
Installation and Operating Instructions
CHAPTER 1
GENERAL INSTALLATION
AND OPERATING
INSTRUCTIONS
NOTE
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UK
IMPORTANT
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IMPORTANT
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