Important Information; Warning And Safety Instructions; Warranty Claims - Exclusion Of Liability; Provisions - Guidelines - Helios KWL EC 800 S Pro Montage- Und Betriebsvorschrift

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

Important information

To ensure safety and correct operation please read and observe the following instructions carefully before proceeding.
Important information is specified in the maintenance section on filter changes and necessary cleaning and maintenan-
ce activities. The user usually carries out the filter change. More extensive cleaning and maintenance work must only be
carried out by qualified electricians.
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Before any cleaning and maintenance work, the KWL unit must be isolated from the main power supply
using the main isolator switch on the top side of the unit and secured against re-activation.
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 EU guidelines at its
date of manufacture.
1.4

Receipt

The delivery contains one of the following unit types:
KWL EC 800 S Pro Ref no. 8327
KWL EC 1200 S Pro Ref no. 8345
KWL EC 1800 S Pro Ref no. 8329
KWL EC 2600 S Pro Ref no. 8331
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)
- Key for inspection openings (check for completeness upon acceptance!)
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 with EPS moulded parts so that it is 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.
1.7 Area of application – Application
The compact units KWL EC.. S 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 800 S Pro/WW
KWL EC 1200 S Pro/WW
KWL EC 1800 S Pro/WW
KWL EC 2600 S Pro/WW
KWL EC 800 S Pro WW
KWL EC 1200 S Pro WW
KWL EC 1800 S Pro WW
KWL EC 2600 S 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
Target flow rate [m³/h]
Heat recovery efficiency
2
Ref no. 8328
Ref no. 8346
Ref no. 8330
Ref no. 8332
600 490
83 % PHI 82 %
880 650
81 % PHI 81 %
810 1070
83 % PHI 82 %
840 1450
81 % PHI 81 %
325
82 %
400
81 %
1400
82 %
2065
81 %