Viessmann KOB PYROMAT DYN 45 Instructions For Assembly And Installation page 14

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Pyromat-DYN
Note:
To reliably prevent burner corrosion caused by condensation of exhaust gases, the burner outlet temperature must
not by any means be below 65°C. To do so, a burner circuit pump should be provided with a modulating valve as
per the diagram.
The burner circuit should be configured such that the temperature difference between the forward and return flow is
equal to or less than 15°C.
This is given in the design below, if no additional resistors are installed in the burner/accumulator circuit. Any
installation of slide valves or of a heat meter in the burner/accumulator circuit will require reconfiguration of the
burner pump and burner control valve by the heating technician
For incorporation of heat consumers, refer to Spec Sheets 4000ff.
Köb Holzheizsysteme GmbH, Flotzbachstr. 33, A-6922 Wolfurt, Tel. +43/5574/6770-0, Fax 65707, E-Mail: office@kob.cc
Spec Sheet
General Terms of Delivery
Installation, open system
Subject to technical changes
3950-3
2009-03-01_GB

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