GRE 90230 Instruction Manual page 4

− Check the water-tightness of the heater and of the hosepipes
− Now, you can start saving money thanks to the solar heater by heating your pool
free of charge
Installation of several systems
Identical assembly to that above except we use the short hoses to couple the heaters
with each other.
Protection for winter
To avoid icing problems, completely purge the system during the winter Store the
heater in a dry spot and free from icing.