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Installation
• Fix the wall support bracket, using the fixing screws supplied in the pack (1).
• Insert the rear insulation, through the notch provided (2).
• Insert the unit components in the insulation using the special notches made in the bracket and the slots in the components. Block the
components on the bracket, pulling them downwards to that they click into their housing (3).
• Establish the position for installing the expansion vessel at a distance allowed by the length of the flexible pipe, using the bracket provided.
The latter allows the use of expansion vessels with a maximum capacity of 24 l, see the instructions concerning the accessories (4).
• Install the pipes of the whole system and connect the solar unit. Secure the components and the pipes to the rear insulation.
Fully tighten all the fittings.
• The unit's threaded fittings are tightened and tested in the assembly phase at the factory. However, when commissioning it is necessary to
check the seal of the fittings, performing a pressure test.
• Make the electrical connections of the system, as specified in the regulator instructions manual. Apply the front part of the insulation.
1
Filling the system
• Open the shut-off valve coupled with the automatic air vent, installed in the highest point of the solar thermal system (1).
• Open the shut-off and check valves, turning the control stems (2) through 45° (do not remove the temperature gauges).
• Fill by means of a pump, using the cock (A) located at the lowest point of the system, until air no longer comes out of the air vent (1). If the
solar thermal system is made using water premixed with antifreeze, any top-ups must be carried out using a mixture with the same
proportions.
• Close the shut-off valve of the air vent (3).
• Close the cock (A).
1
3
2
2
3
5
4
80
80
60
100
60
100
4
6
40
120
bar
40
120
8
2
20
140
20
140
0
10
0
160
0
160
3
12
10
8
6
4
2
A
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