Viessmann GENO-Neutra V N-70 Installation And Service Instructions Manual page 11

Inspection and maintenance
7. Close cover A again.
If an overflow alarm switch (acces-
sories) is installed, before closing
the cover:
■ Reconnect the power supply for
the overflow alarm switch.
■ Check the fault message func-
tion: simulate backpressure by
raising the drain hose temporarily
and filling the container with
water to the level of the overflow
aperture.
■ Close the cover.
■ The overflow alarm switch must
be fully inserted into the locking
ring fitting.
Service
01. Stop the condensate or divert it
into a suitable collector tank.
02. Remove neutralising system cover
A.
If an overflow alarm switch (acces-
sories) is installed, isolate this from
the power supply and remove it
together with cover A from the
neutralising system.
03. Remove neutralising granulate
from the system and pour into the
foil bag provided with the mainte-
nance set.
Note
■ Use a wet vacuum cleaner.
■ For disposal, see page 12.
04. Clean container.
(cont.)
8. Record inspection on page 17.
05. Check the supply and drain hose
for deposits and clean if required.
06. Fill the relevant area of the neutral-
ising container with neutralising
granulate. Observe granulate fill
level B (see pages 8 and 9).
Note
Only use original GENO
Hz neutralising granulate.
07. Fill the system with water.
08. Check the tightness of the neutral-
ising container and the condensate
supply and drain lines. If required,
replace damaged or old compo-
nents.
® -Neutralit
11