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Menu “5. Protective functions” can be used to
activate and set various protective functions.
The menu is closed by pressing “esc” or select-
ing “Exit settings”.
Protective functions
5. - Protective functions
Caution
This does not under any circumstances
replace the safety facilities to be
provided by the customer!
5.1. - System protection
Priority protection
System protection prevents overheating of system components by automatic shutdown
of the solar pump. If “SProt Ton” is exceeded at the collector, the pump is switched off.
The pump is activated again when the temperature drops below “SProt TOff”.
Caution
When system protection is on, the temperature in the idle collector will be very
high, thus the pressure in the system will rise and can damage your system.
Pay close attention to the instructions of the system manufacturer.
5.2. - Collector protection
Collector protection prevents overheating of the collector. The pump is switched on to
transfer heat from the collector to the storage tank.
If “CP Ton” is exceeded at the collector sensor, the pump is switched on until the tem-
perature reaches “CP Toff” or the temperature “CP Tmax storage” is exceeded in the
storage or pool.
Danger
When collector protection is active, the storage or pool is heated well
beyond Tmax S2 (see 5.2) which can result in scalding and system dam-
age.
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