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33
Service Manual
• Install heat exchanger.
Attention:
The greater distance between windings should be
down.
• Secure heat exchanger in the couplings with the
cotter pins (top/bottom).
• For combination devices the cold water seive must
be cleaned.
• For combination devices:
If the hot water capacity has decreased, then the
hot water heat exchanger must be removed and
decalcified.