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Solar-Divicon DN20B Installation, Start-up, Service
6.3
Replacing the pump [specialist]
6.4
Replacing the gaskets in the solar station [specialist]
18
1.
Perform partial draining as described in section
6.1 Partial draining of the solar installation [specialist].
2.
Disconnect the pipe joint between the solar station and
the storage supply.
3.
Dismount the flowmeter (3.3).
4.
Dismount the pump.
5.
Install the new pump. Do not forget to insert new
gaskets.
6.
Mount the flowmeter (3.3).
7.
Connect the solar station and the system again by
means of pipes.
8.
Check all screw connections and retighten them,
if necessary.
9.
Open the ball valves (5.2 and 1.2).
10. If the system pressure no longer corresponds to the
operating pressure, repeat commissioning as
described from page 10 onward.
1.
Gaskets below the ball valves: Perform partial draining
as described in section 6.1 Partial draining of the solar
installation [specialist].
Gaskets above the ball valves: Drain the solar thermal
system completely as described in section 6.2
Complete draining of the solar installation [specialist].
2.
Dismount individual components of the station and
insert new gaskets.
3.
Re-assemble the station.
4.
Connect the station and the system by means of pipes.
5.
Check all screw connections and retighten them,
if necessary.
6.
Open the ball valves (5.2 and 1.2).
7.
If the system pressure no longer corresponds to the
operating pressure, repeat commissioning as
described from page 10 onward.
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