Palazzetti SPHERA IDRO Notice D'installation page 29

6.8.1 Description of the hydraulic unit (where provided)
Some models come with a hydraulic unit and a
control panel integrated in the product, therefore
ready to install (-6.5-).
This unit consists of:
1) Control panel
2) Vented expansion tank
3) Circulation pump
4) Anti-condensation mixing valve
5) Power supply cable
6) Two temperature probes (S1-S2)
One probe (S1) is located in the probe holder located
above the water jacket, the second (S2) is connected to
two connectors on the back of the stove.
In the case of special installations (for example in
combination with a storage tank) the second probe may
be prolonged.
o operate t e control panel, refer to t e specific
instructions attac ed.
1
INSTALLATION
2
S1
- 6.5 -
3
S2
4
5