Honeywell SDC Installationsanleitung Seite 30

Connection assignment
Sensor / data bus
connection
30
No. Connection
20 Burner operating hour counter, stage 1
21 N / 230 V
22 L1 / 230 V mains connection
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No. Connection
23 Common sensor ground
24 Bus side A
25 Bus side B
26 Outside sensor
27 Heat generator sensor/Boiler sensor
28 Hot-water sensor
29 Mixed heating circuit 1 flow sensor
30 Variable input 1
31 Variable input 2
32 Variable input 3, VFB*
33 Mixed heating circuit 2 flow sensor
34 Collector flow sensor (solar application, PT 1000)
35 Collector return sensor (solar application)
36 Pulse input
37 OpenTherm A
38 OpenTherm B
* with district heating controllers
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SDC
MU1H-0207GE51 R0313