Solar module
Art. TAS001
TECHNICAL DATA SHEET - 07/2022 - ENG
Icma SpA - Via Garavaglia, 4
20012 Cuggiono (MI) ITALIA
Tel: +39 02 97249134 - +39 02 97249135
www.icmaspa.it - [email protected]
4
Filling the system
Technical specifications
The solar module receive a signal from the external controller which, having at least two temperature sensors (one
is positioned on the panel outlet pipe and the other is an immersion sensor in the boiler), constantly reads the
temperature difference and keeps it within the established range, which normally varies between 5 and 8 °C. If the
Δt between the panel and the boiler is found to be over the established set point, the controller starts up the pump
on the module to provide the lacking thermal load. If, on the other hand, the Δt is narrower than the one set, the
internal pump will be disabled.
For further clarification about the electronic controller functioning, consult the technical documentation about
art. S303 and S305.
1. Open the shut off valves connected with the air vent valves (Pict.1). These valves must be located at the highest
point of the system to optimize their function of air expulsion from the circuit.
2. Open both the shut off valves 4 and 8 (Table1-page 3) turning their handles to 45° (see the operating specifications
of these valves on pagee 11 of
this data sheet).
3. 3. Fully open the flow meter 7
(Table1-page 3) carrying the
reference mark of the flow
meter in vertical position (see
operating specifications on
page 10). Check that the drain
tap 3 is closed.
4. 4. Connect an external pump
to the tap 3 of the instrument
holder connection 2 (Table1-
page 3) with a rubber pipe. This
pump will get the heat-transfer
fluid, previously prepared, from
an external container.
5. 5. Open the tap 3 of the
instrument holder connection
2 (Table1-page 3) and start the
external pump to fill the system
6.
Fill the system until air stops
coming out of the air vent
valves (Pict.1).
7.
Close the tap 3 and disconnect
the external pump.
8. Close the shut off valves
connected with the air vent
valves (Pict.1).
0
120
Air vent valve
Legenda
Pump
Fig. 1
Shut-off valve
