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Installation and Operating Instructions
EN
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DANGER
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WARNING
Central ventilation units AIR1 XVP
5�3
Service and maintenance of cross counterflow heat exchanger
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Danger to life!
The unit must be fully isolated from the mains power supply before all maintenance and installation work and
opening the terminal compartment!
Danger of electric shock, moving parts (fan) and hot surfaces�
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Risk of injury!
Heat exchangers are very heavy and can contain condensate water!
Maintenance and service work should always be carried out by at least two people!
Unit type
Cross-counterflow heat exchanger (kg)
AIR1 XVP 850
AIR1 XVP 1250
AIR1 XVP 1800
AIR1 XVP 2500
AIR1 XVP 3500
5�3�1 Disassembly of cross-counterflow heat exchanger
1. Unlock and open the doors with the key included in the scope of delivery (see Fig.36).
2. The profile must be removed for the service work on the heat exchanger. For this purpose, remove the covers and
loosen the screws (see Fig.38).
Weight
14
22
39
43.8
67.5
56
Fig�36
Fig�38
Fig�37
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