Minimum Requirements For Commissioning; Service And Maintenance; Cross Counter Flow Heat Exchanger - Helios EC green Vent KWL EC 700 D Pro / WW Notice De Montage Et D'entretien

Installation and Operating Instructions
EN
+
IMPORTANT
CHAPTER 6
SERVICE AND MAIN-
TENANCE
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WARNING
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WARNING
Central ventilation units KWL EC.. D Pro/WW
Dp
fa
Pa

5.2. Minimum requirements for commissioning

The commissioning is carried out through a system calibration. In this respect, "Vent-calibration" (see also Page 20) is
activated on the controller > Service menu 2: and the system starts the system characteristic curve.
The calibration takes around 3-5 minutes!
In case of unusual system pressures, the installation must be checked! Foreign bodies or incorrect installation
can be potentially responsible for this.
6.0

Service and maintenance

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The unit must be must be disconnected from the power supply before any maintenance and installation
work or before opening the switch room! Danger of electric shock, moving parts (fan) and hot surfaces.
6.1 Removing/cleaning cross counter flow heat exchanger
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DANGER OF INJURY! From falling or down-folding covers/inspection openings!
Maintenance and service work should always be carried out by two persons!
Heat exchanger are very heavy and can contain condensation water!
1. Undo screws (1) on unit cover, support cover in doing so and remove downwards (Fig. 13)
2. Loosen the fastening screw on the condensation tub (Fig. 14)
(1)
KWL EC 2000 D Pro / WW
V · m
/h
3
Fig.13
24
Fig.14