6
Filling the DHW cylinder
1. Fill the DHW cylinder from the DHW
side.
Note
Initially fill the cylinder from the DHW
side, then from the heating water
side. If the DHW side of your cylinder
cannot be filled yet, but you want to
commission your heating system,
then you can operate your cylinder
with a pressure of 2.5 bar on the heat-
ing water side.
Operation without DHW heating:
Operating instructions for the
heating system
Note
The ventilation of the solar coils
occurs via the solar flow. Collect
excess solar medium with a flexible
hose above the air vent plug and
restart the system.
Alternatively:
Service instructions for the
solar thermal system
2. Check the fittings on the heating
water and DHW sides for leaks and
retighten if required.
3. Check the function of the safety
valves according to manufacturer's
instructions.
Inspection and maintenance
DIN 1988 requires a visual inspection
and (if required) cleaning no later than
two years after the cylinder has been
commissioned and thereafter according
to requirements.
Commissioning, inspection, maintenance
Further details regarding the individual steps
5608 688 UAE
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