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SERVICE AND MAINTENANCE OF THE
CROSS COUNTERFLOW HEAT EXCHANGER
The unit must be fully isolated from the mains power supply before all
maintenance and installation work and before opening the terminal
compartment! Danger of electric shock, moving parts (fan), and hot
surfaces!
DANGER
Danger to life due to electric shock!
MAINTENANCE
DISMANTLING
1. Unscrew and remove service panels.
2. Unplug the heat exchanger.
3. The profile must be removed (Vallox Pureo TX 1300/1800) to
implement any service measures on the heat exchanger. To do this,
remove the covers and undo the screws.
4. Carefully remove the profile.
WARNING
Heat exchangers are
very heavy and can
contain condensate!
Maintenance and
service work should
always be carried out
by at least two people!
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