Astralpool PRO-ELYO INVERTER 13 Manuel D'installation Et D'utilisation page 23

6.4 About the ambient temperature for the working frequency
When you choose the " POWERFUL " working mode ,
if the ambient temperature ≧30℃ and <35℃,
the working frequency will stay in limited level.
If the ambient temperature ≧50℃,the heat pump will stop operation
and display the error code PP09 for compressor protection.
6.5 About the limitation of water in temperature
Water in temperature ≦ 7℃, the heat pump will stop operation.
Note : If the water filtration system is stop before the heat pump, the unit will down (security condition) and the
code EE3 or ON advertise on the controller.
It is important to program the heat pump link the time program of the water filtration system.
For restart the heat pump, turn off and turn on the electrical power supply to restart the unit.
NOTE:
① Water temperature rise
② Water temperature drop
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