6.6
Filling the installation
6.6.1
General
Atención
During the start-up process, pay particular attention to cover the
collectors, in order to avoid an undesirable increase in pressure.
Atención
The installation must be filled with the system empty.
6.6.2
Filling the installation
Close valves A, B and C before filling the installation.
Importante
The installation must be filled using mechanical or electrical filling
equipment.
1. Calculate the amount of antifreeze fluid required for the installation.
Consejo
Quantity of antifreeze, página 18
2. Mix the amount of antifreeze fluid required with tap water.
3. Connect the flow of the filling unit to the inlet valve on the flowmeter
(B).
4. Connect the return of the filling unit to the outlet valve on the
flowmeter (A).
Importante
Make sure that the valve on the flowmeter (C) is closed.
5. Open the inlet and outlet valves on the flowmeter (A and B).
6. Recirculate the fluid until there are no more air bubbles in the filling
unit.
Importante
Only continue filling the installation once there are no more
bubbles in the filling unit.
7. Open the valve on the flowmeter (C).
8. Close the system's drain valve (A).
9. Pressurise the system to a pressure of 2 bar.
10. Close the system's filling valve (B).
Importante
After a few minutes, use the pressure gauge supplied with the
hydraulic unit to check that the system pressure has not dropped.
B
C
A
BA-0000031-01
6 Installation
24
Solar hydraulic unit
7729335 - 04 - 12052021
