Important Information; Warning And Safety Instructions; Warranty Claims - Exclusion Of Liability; Provisions - Guidelines - Helios KWL EC 700 D Pro Notice De Montage Et D'entretien

Installation and Operating Instructions
EN
CHAPTER 1
GENERAL INSTALLATION
AND OPERATING
INSTRUCTIONS
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WARNING
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ATTENTION
Central Ventilation Units KWL EC.. D Pro/WW
1.0

Important information

To ensure safety and correct operation please read and observe the following instructions carefully. Important infor-
mation is specified in the maintenance section on filter changes and necessary cleaning and maintenance activities.
The user usually carries out the maintenance work. The "Installation" section with important installation instructions and
basic unit settings is for the professional installer.
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The electrical connection must be fully isolated from the main power supply until final assembly!
The planning office provides the planning documents necessary for system calculations. Additional information can be
requested ex works. Keep the installation and operating instructions as a reference at the device. After the final assem-
bly, the document must be handed out to the operator (tenant/owner).
1.1

Warning and safety instructions

The adjacent 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
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 covered by
warranty.
1.3 Provisions – guidelines
If the product is installed correctly and used to its intended purpose, it conforms to all applicable CE guidelines at its
date of manufacture.
1.4

Receipt

The delivery contains one of the following unit types:
Ref. no. 4171
KWL EC 700 D Pro
Ref. no. 4173
KWL EC 1400 D Pro
Ref. no. 4175
KWL EC 2000 D Pro
The scope of delivery also includes:
1x duct sensor (already connected to terminal box)
1x surface-mounted controller (with touchscreen) incl. room sensor and connection cable (10 m)
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, stora-
ge or putting into operation are not covered by warranty.
1.6

Shipping

The unit is packed ex works in a wooden frame, so that it is optimally protected against normal transport strain. Carry
out the shipping carefully. It is recommended to leave the unit in the original packaging until installation to avoid possible
damages and contamination.
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Risk of injury! Watch out for nails when dismantling the wooden frame!
1.7 Area of application – Application
The compact units KWL EC.. D Pro/WW with heat recovery are suitable for the central ventilation of houses and apart-
ments built upon passive-house standards (PHI) or as a decentralised solution for commercial and industrial applica-
tions. Equipped with a highly efficient cross counter flow heat exchanger with a heat recovery efficiency of over 80%,
see table:
Unit type
KWL EC 700 D Pro
KWL EC 1400 D Pro
KWL EC 2000 D Pro
The KWL units are equipped with the latest EC motor technology. The compact unit can be operated at a constant
volume (mono-zone) or pressure (multi-zone) due to the intelligent regulation technology.
The standard equipment permits the installation and the application in frost-free rooms over +5 °C. When operated
under difficult conditions, e.g. high humidity, longer periods of standstill, heavy contamination, excessive loads due to
climatic and technical, electronic influences, consultation and release approval is necessary, since the standard version
KWL EC 700 D Pro WW
KWL EC 1400 D Pro WW
KWL EC 2000 D Pro WW
Target flow rate [m³/h]
Heat recovery efficiency
Target flow rate [m³/h]
Heat recovery efficiency
Target flow rate [m³/h]
Heat recovery efficiency
2
Ref. no. 4172
Ref. no. 4174
Ref. no. 4176
220 340
82 % PHI 82 %
420 620
83 % PHI 82 %
670 1030
84 % PHI 83 %
520
81 %
850
81 %
1550
83 %