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System examples
1
2
Fig. 71 System example without solar module
[1]
Reheating
[2]
DHW
[3]
Expansion vessel
[4]
Cold water
[5]
Pressure relief valve with siphon
[6]
Thermostatic valve
[7]
Thermosiphon system (only storage tank shown)
1
2
6
Fig. 72 System example with solar module
[1]
Reheating
[2]
DHW
[3]
Expansion vessel
[4]
Cold water
[5]
Pressure relief valve with siphon
[6]
Solar module
[7]
Thermosiphon system (only storage tank shown)
TSS – 6720887696 (2018/05)
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6
2
3
4
0010011166-01
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2
3
4
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Commissioning
NOTICE:
Collector damage from evaporation in the solar circuit or frozen
water!
▶ Only flush and fill the solar thermal system when the sun is not
shining on the collectors and no frost (if purging with water) is
expected.
▶ Carry out tightness test. Observe the permitted pressures for all
5
assemblies.
Fig. 73 Check all connections for leakage
11.1
Lightning protection
Necessity of lightning protection
▶ Check regional regulations as to whether a lightning protection
system is required.
The lightning conductor is often required in the following cases:
• Building height of over 20 m
• Buildings that are significantly taller than surrounding buildings
5
• Buildings considered in need of high protection (e.g. schools,
hospitals and high-rise buildings)
Equipotential bonding for the thermal solar system
If a lightning protection system is installed or required:
▶ Establish whether the thermal solar system is located outside the
protective area of the existing lightning protection system.
▶ Have a qualified electrician check the connection of the system to this
equipment.
▶ Earth the installation system and metallic potable water pipes with a
ground wire (e.g. copper ≥ 16 mm
▶ Lightning protection must only be installed by a qualified electrician.
Fig. 74 Examples for attaching the ground wire to the assembly stand
(left: MTSS, right: WSF)
Commissioning
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) to the equipotential rail.
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