Connecting Two Heating Circuits With Pressure Breaker - DeDietrich MODULENS O AFC 18 Installation And Service Manual

5. Installation
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X20
DHW
PCU
5.8.9. Connecting two heating circuits with
pressure breaker
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SCU SCU
Connect a safety thermostat if the heating circuit is for
A
underfloor heating.
Remove the bridge.
4
Connect the wires from the safety thermostat to the
4
connector.
Connect the 3-way valve flow sensor (circuit B).
Z
Connect the heating pump (circuit B).
E
Connect the 3-way valve (circuit B).
R
Do not connect anything to the terminal block.
T
AFC 18 - AFC 24 - AFC 30
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C004456-B
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09/07/2015 - 300026439-07