background image
78
COMPONENTS FOR SOLAR HEATING SYSTEMS
DRAIN UNIT:
HYDRAULIC UNIT WITH DRAIN-BACK SYSTEM
This new automatic draining unit is a solution for avoiding overheating or freezing problems.
It is compatible with any type of solar plate and it can be adapted for installation with more
than two manifolds.
ADVANTAGES
Safety:
Pumping unit for draining the collector field, adaptable
to practically any type of solar collector on the market.
Flexibility:
> Can be used for installations of up to 4-5 plates
(depending on the volume of the installation; maximum
draining volume 7 litres).
> High-efficiency options with two pumps.
> Can be installed with any storage heater and control
unit on the market.
Savings in materials:
Drain valves and expansion valves not needed.
SOLAR THERMAL CONTROLS
Solar Brochure EXTRA:Layout 1 19/02/2010 12:56 Page 78