Helios KWL EC 1200 S Pro/WW Notice D'installation Et D'utilisation page 69

Installation and Operating Instructions
m
WARNING
Central Ventilation Units KWL EC.. S Pro/WW
6.5 Removal of electric heater battery
1. Dismantle the cross-flow heat exchanger as described in section 6.1
2. Disconnect the cable connections (Fig.27)
3. Loosen the fixing screws of the heater battery (Fig.28/29).
4. Remove the electric heater battery (Fig.30)
m RISK OF BEING CUT! Sharp edges!
6.6 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.
6.7 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).
6.8 Accessories
WHSH HE 24V (0-10V)
KWL-ÜS 800 S
KWL-ÜS 1200 S
KWL-ÜS 1800 S
KWL-ÜS 2600 S
KWL-CO
2
KWL-FTF
KWL-VOC
RVM ...
KWL-SB ... S
6.9 Error messages / alarms
The following warning and/or alarm indicators are shown on the KWL-BEC controller display:
– "Safety temperature limiter"
– "Fire alarm"
A precise description of the error is indicated on the display!
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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.
Fig.27
Fig.29
Ref. no. 8318 Temperature control system for warm water heater battery
Ref. no. 8339 Symmetrical adapter piece
Ref. no. 8349 Symmetrical adapter piece
Ref. no. 8340 Symmetrical adapter piece
Ref. no. 8341 Symmetrical adapter piece
Ref. no. 4272 CO sensor for detecting the concentration of CO
2
Ref. no. 4273 Humidity sensor for detecting room air humidity
Ref. no. 4274 VOC sensor or detecting the mixed gas (VOC) concentration
s. documents Backdraught shutter, motorised
s. documents Base cover made of galvanised sheet steel
29
EN
Fig.28
Fig.30
in the room air
2