welldana 34-180150 Installations- Und Benutzerhandbuch Seite 63

G. Connecting pipes of the swimming pool and the heater should be ≤10m,
or the heating effect of the heater cannot be ensured;
H. This series of machines can achieve high efficiency under air temperature
of +15℃～+25℃.
２. Safety
A. Please keep the main power supply switch far away from the children;
B. When a power cut happens during running, and later the power is
restored, the heater will start up automatically. So please switch off the
power supply when there is a power cut, and reset temp when power is
restored;
C. Please switch off the main power supply in lightning and storm weather to
prevent from machine damage that caused by lightning;
D. If the machine is stopped for a long time, please cut off the power supply
and drain water clear of the machine by opening the tap of inlet pipe.
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