
27
Central Ventilation Units KWL EC.. S Pro/WW
Installation and Operating Instructions
6.5 Removal of the 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)
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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 2.3) 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)
Ref. no. 8318
Temperature control system
for warm water heater battery
KWL-ÜS 800 S
Ref. no. 8339
Symmetrical
adapter piece
KWL-ÜS 1200 S
Ref. no. 8349
Symmetrical
adapter piece
KWL-ÜS 1800 S
Ref. no. 8340
Symmetrical
adapter piece
KWL-ÜS 2600 S
Ref. no. 8341
Symmetrical
adapter piece
KWL-CO
2
Ref. no. 4272
CO
2
sensor
for detecting the concentration of the room air
KWL-FTF
Ref. no. 4273
Humidity sensor
for detecting room air humidity
KWL-VOC
Ref. no. 4274
VOC sensor
for detecting the mixed gas (VOC) concentration
RVM ...
s. documents
Backdraught shutter
, motorised
KWL-SB ... S
s. documents
Base cover
made of galvanised sheet steel
EN
Fig.27
Fig.28
Fig.30
Fig.29
WARNING
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