Hoval UltraGas 15, Техническая информация Инструкции по установке

Страница: 45 / 50

6.9 Maintenance of the Neutralisation
equipment (if available)
45 4 217 213 / 01
MAINTENANCE
Maintenance should be undertaken at least
every second year, or after the neutralisation
granules are exhausted (check the ph-value if
appropriate with litmus paper test).
Neutralisation granulate for refi lling can be ordered from
Hoval under the following item no.:
• 1 pack (3 kg) neutralisation granules
Part no. 2028 906
One fi lling requires a pack of 3 kg
Procedure for servicing the neutralisation installation
WARNING
The heat generator must be de-energised for
maintenance. Set the blocking switch to «0»
and disconnect the heat generator from the
mains (e.g. main switch, fuse).
• Remove the front cover.
• Undo the bolts and withdraw the neutralisation box.
• Remove the neutralisation granules and any deposits
from the neutralisation box. Any remaining neutralisa-
tion granulate, since it is harmless, can be disposed of
as domestic waste.
• Refi ll the neutralisation box with new granules.
Attach the neutralisation box cover making
sure that it is tight-closing.
• Push the neutralisation box back in.
!
WARNING
Before putting back into service, the siphon
and the neutralisation box must be fi lled to-
gether with water.
The water can be poured through the clea-
ning aperture into the neutralisation box and
the siphon.
Neutralisation granules Siphon