Circulation units for solar thermal systems, with solar regulator
DeltaSol®
C+
28102GB
www.caleffi.com
266-267 series
CALEFFI
Function
Circulation units are used on the primary circuit of
solar thermal systems to control the temperature
in the hot water storage. The pump inside the
units is activated by the signal arriving from the
regulator. Moreover, safety and functional devices
for optimum control of the circuit are fitted in the
units.
Available with flow and return connection or with
return connection only.
Some versions are also complete with the digital
regulator DeltaSol
®
C+ for solar thermal systems,
suitable for the operation and control of 9 different
types of solar thermal systems.
1
INDEX
Function
Product range
Technical specifications
Characteristic components
Installation
Filling the system
Commissioning
1
2
3
5
6
INSTALLATION AND COMMISSIONING MANUAL
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