23
Filling the DHW cylinder
1.
Fill the DHW cylinder from the DHW
side.
Note
Initially fill the cylinder on the DHW
side, then on the heating water side.
If the DHW side of your cylinder can-
not be filled yet, but you want to com-
mission your heating system, then
you can operate your cylinder with a
pressure of 2.5 bar on the heating
water side.
Operation without DHW heating:
Operating instructions for the
heating system
Note
The solar coils are vented via the
solar flow. Collect excess solar heat
transfer 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 side 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 commissioning of the cyl-
inder and thereafter according to
requirements.
Commissioning, inspection, maintenance
Further details regarding the individual steps
5719 714 UAE
Service
Summary of Contents for Vitocell 340-M
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