Condensation Outlet In The Unit; Terminal Box With Isolator/Main Switch; Accessories; Error Messages / Alarms - Helios EC green Vent KWL EC 700 D Pro / WW Notice De Montage Et D'entretien

Installation and Operating Instructions
Central ventilation units KWL EC.. D Pro/WW
6.4

Condensation outlet in the unit

Ensure that the lateral condensation outlet (ø 22 mm) is secured above the base tray (see also section 2.2) for main-
tenance measures.
– Cleaning
1. Condensation outlet nozzles
3. Fold condensation tub downwards
6.5

Terminal box with isolator/main switch

The terminal box that is connected to the side of the casing ensures free access to the electronic components
(e.g. batteries, fuses or DIP switch settings.
Furthermore, the isolator/main switch is operable from underneath the unit.
6.6

Accessories

WHSH HE 24V (0-10V)
KWL-ÜS 700 D
KWL-ÜS 1400 D
KWL-ÜS 2000 D
KWL-EC CO
2
KWL-EC FF
6.7

Error messages / alarms

The following warning and/or alarm indicators are shown on the controller display:
– "Safety temperature limiter"
– "Fire alarm"
A precise description of the error is indicated on the display!
m
If a value falls below the threshold value, the sensors will only display lines. This is not an error message in operation. The
current value will be displayed again as soon as the measured values increase.
2. Loosen fastening screws on condensation tub
Fig.27
4. Clean with a cloth
Fig.29
Ref. no. 8318 Temperature control system for hot water heater battery
Ref. no. 4206 Symmetrical adapter piece
Ref. no. 4207 Symmetrical adapter piece
Ref. no. 4208 Symmetrical adapter piece
Ref. no. 9958 CO sensor for detecting the concentration of CO
2
Ref. no. 9953 Humidity sensor for detecting room air humidity
27
EN
Fig.28
Fig.30
in the room air
2