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INSTALLATION
Commissioning
9.3
Fitting the temperature sensor
f Fill the protective pipe with heat conducting paste.
f
f Insert the sensor into the protective pipe until it bottoms.
f
Prior to inserting contact sensor AVF 6 into the protective pipe,
bend the bias spring forward.
9.4
Where appropriate, fit the flanged or threaded
immersion heater.
f Remove the dummy flanges and plugs in order to mount
f
the heat exchanger, flanged or threaded immersion heater.
Maintain the DC separation towards the cylinder.
10. Commissioning
Water quality, solar circuit
A glycol/water mixture of up to 60 % is permitted for the indirect
coil in the solar circuit if only dezincification-resistant metals,
glycol-resistant gaskets and diaphragm expansion vessels suitable
for glycol are used throughout the installation.
Oxygen diffusion
Material losses
!
Avoid open heating systems and plastic pipes in under-
floor heating systems which are permeable to oxygen.
In underfloor heating systems with plastic pipes that are per-
meable to oxygen and in open vented heating systems, oxygen
diffusion may lead to corrosion on the steel components of the
heating system (e.g. on the indirect coil of the DHW cylinder, on
buffer cylinders, steel heating elements or steel pipes).
Material losses
!
The products of corrosion (e.g. rusty sludge) can settle in
the heating system components and can result in a lower
output or fault shutdowns due to reduced cross-sections.
Material losses
!
Avoid open vented solar thermal systems and plastic
pipes which are permeable to oxygen.
With plastic pipes that are permeable to oxygen, oxygen diffusion
may lead to corrosion on the steel components of the solar thermal
system (e.g. on the indirect coil of the DHW cylinder).
18
| SBP 1000-1500 E | E SOL | E cool
10.1 Commissioning
Material losses
!
A safety valve is required.
f Fill and vent the appliance.
f
f Carry out a tightness check.
f
f Vent the internal indirect coil.
f
f Switch the mains power ON if required.
f
f Check the function of the safety assembly.
f
f Check the function of fitted accessories.
f
f Then check the function of the solar thermal system, if
f
appropriate.
f If relevant, check that the DHW temperature displayed on the
f
heat source control unit is correct.
10.1.1 Appliance handover
f Explain the appliance function to users and familiarise them
f
with its operation.
f Make users aware of potential dangers, especially the risk of
f
scalding.
f Hand over these instructions.
f
10.2 Recommissioning
See chapter "Commissioning".
11. Shutting down
f If necessary, disconnect any accessories installed from the
f
mains at the MCB/fuse in the fuse box.
f Drain the appliance. See chapter "Maintenance / Draining the
f
appliance".
12. Maintenance
No special maintenance is required for the appliance. A regular
visual check is sufficient.
12.1 Draining the appliance
WARNING Burns
Hot water may escape during the draining process.
If the appliance needs to be drained for maintenance or to protect
the whole installation when there is a risk of frost, proceed as
follows:
f For draining the appliance, remove the thermal insulation
f
around the drain connector.
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