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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 the neutraliser box
can be ordered from Hoval under the following item no.:
• 1 pack (3 kg) neutralisation granules
Part no. 2028 906
One fi lling requires 4 packs of 3 kg each.
Procedure for servicing the neutraliser / condensate box
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).
1. Undo the bolts and withdraw the neutraliser / conden-
sate box.
2.
Maintance the neutraliser / condensate box:
Condensate box KB 22:
- Remove the condensate pump and clean the con-
densate pump container.
Neutraliser box KB 23:
- Remove the neutralisation granules and any de-
posits from the neutraliser box. Any remaining neu-
tralisation granulate, since it is harmless, can be
disposed of as domestic waste.
-
Refi ll the neutraliser box with new granules.
Neutraliser box KB 24:
- Remove the condensate pump and clean the con-
densate pump container.
- Remove the neutralisation granules and any de-
posits from the neutraliser box. Any remaining neu-
tralisation granulate, since it is harmless, can be
disposed of as domestic waste.
-
Refi ll the neutraliser box with new granules.
Attach the neutraliser / condensate box cover
making sure that it is tight-closing.
3. Push the neutraliser / condensate box back in.
!
WARNING
• Before putting back into service, the siphon
and the neutraliser / condensate box must
be fi lled together with water.
• The water can be poured through the clea-
ning aperture into the neutraliser / conden-
sate box and the siphon.
Neutraliser box
Type KB 23
Neutralisation granulest
Neutraliser box with feed pump
Type KB 24
Condensate pump container
Neutralisation granules
6.9
Maintenance for neutraliser / condensate
box for type KB 22, KB 23 and KB 24 (if
present)
Summary of Contents for UltraGas 1550
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