Operating instructions
3. Fold condensation tub downwards (Fig. 15)
Tub may contain condensation water!
4. Pull the frost protection sensor WT from the heat exchanger fins (Fig. 16)
5. Loosen all screws from the heat exchanger fastener (Fig.17)
Support heat exchanger in doing so!
6. Carefully pull cross counter flow heat exchanger from the unit (Fig.18)
Vacuum the fins with a vacuum cleaner to clean.
Do not clean the cross counter flow heat exchanger with water!
6.2 Filter change
The inspection openings on the ventilation unit enable the easy change of external filter (F7) and exhaust air filter (F5)
(see also section 2.8 Unit components)
Open the turn-lock fasteners on the inspection openings and fold the doors downwards to change the filter.
RISK OF INJURY! From down-folding covers /inspection openings!
1. Pull both filter locks downwards (Fig.19)
2. Carefully pull out and remove filter (Fig.20)
The filter’s direction of air flow must be taken into account!
25
Central ventilation units KWL EC 700/1400/2000 D Pro / WW
Installation and operating instructions
fig.15
fig.17
fig.16
fig.18
ATTENTION
☞
WARNING
fig.19
fig.22
IMPORTANT
☞
WARNING
UK