Double fixed coil boiler with solar module

Boiler for the production and storage of hot domestic water equipped with double internal coil heat exchanger. It is provided with the solar module and the control unit already prepared for direct connection to the solar panel.

Solar Module Features:

• Cover powder metal coated, insulated and removable
• Return line connected to the solar heat exchanger consisting of:
• Meter/flow regulator complete with valves for loading and unloading the plant.
• High-efficiency solar pump
• Ball valve with non-return valve 10 mbar
• Safety group 6 bar with pressure gauge 0-10 bar connection for the expansion vessel and exhaust

Electronic control unit with the following features:

• Differential calculus of the temperature on the solar circuit
• PWM control of the solar pump
• Temperature control on the boiler (2 sensors) and panel (1 probe)
• Clear contact to activate the intervention of a complementary boiler or of an electrical resistance (230 VAC - 13A max - max 2.5 kW)
• Intuitive graphical menu in four languages
• Cycle management antilegionella
• Optional management of the sanitary recirculation with the possibility to connect another probe.