41
INSTALLER Section (en)
7651556.01 (1-01/16)
19. ANNUAL SERVICING
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19.1 HYDRAULIC UNIT
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19.2 CLEANING THE FILTERS
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• The NTC DHW sensor is positioned in point (D).
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19.3 DISMOUNTING THE WATER-WATER HEAT EXCHANGER
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To clean the exchanger and/or DHW circuit, use Cillit FFW-AL or Benckiser HF-AL.
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