Apricus Installation Manual
50
Commissioning The System
Ensure Expansion Vessel Pressure has been
re-set correctly before filling the system.
Filling the System
It is recommended that the system is filled
with the Anti-Freeze Fluid using a
professional Flush & Fill Cart (such as that
shown in the picture below).
When used correctly these stations ensure
that all the air is purged from the system
during the filling process.
In addition, it is also essential to have either
an automatic or manual de-aerator / air-
scoop so that any accumulation of air in the
system can be regularly vented. The CoolSky
Pumping stations are supplied with a ready-
fitted manual air-scoop to allow for further
air bleeding of the solar loop if required.
Commissioning Method
Connect the Flow Hose from the Flush and
Fill Cart to the Filling Valve (1) and open the
valve.
Connect the Return Hose to the Drain Valve
(2) and open the valve.
Close the Restrictor Flow Valve (3) so that
the slot is in a horizontal position.
Open the Cold Check Valve (4) by turning so
that the 45° indicator is facing upwards.
Open the Hot Check Valve (5) by turning so
that the 45° indicator is facing upwards
Pour the Anti-Freeze fluid into the Flush and
Fill Cart and then fill the solar system (follow
the manufacturer instructions for the
Cool Tip
Expansion Vessel Pressure should be
re-set to 0.3 Bar less than the Cold
Fill Pressure.
Cool Tip
The Cold-Fill Pressure of the Solar
System should be :
1.3 + (0.1 x Static Height)
Where the Static Height is in
Meters.
1
2
3
4
5
6
7
Flush & Fill
Cart
