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Anti-freeze function
Your NIMBUS S system is equipped with an anti-freeze function,
which checks for the outlet water temperature of the internal unit and
manages the activation of the devices of the system, in case the tem-
perature remains below 8 ° C for more than two consecutive minutes.
ATTENTION
Anti-freeze function works properly only if:
· System pressure is included between 0.6 and 3 bar
· The system is electrically supplied
• In correspondence of anti-freeze function activation re
quest, no errors are occurring
Maintenance
The maintenance of your NIMBUS S system is compulsory and indi-
spensable in order to ensure an adequate functioning, the safety of
the appliance and the duration of life of the system itself.
General remarks
It is necessary to perform at least once a year the following checks:
1. Visual control of the general state of the system.
2. Periodically check the water pressure
3. Pressurize the system, when necessary providing an adequate air
purge
4. Adjust the parameters setting and devices in order to obtain a bet-
ter functioning and a more economical management of the system
5. Subcontract, as provided by the rules, periodic maintenance
6. Keep clean the front grille and the outdoor unit
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