Honeywell SDC 9-21 - Page 30

Connection assignment SDC
30 MU1H-0438GE51 R0313
No.
Connection
20
Burner operating hour counter, stage 1
21
N / 230 V
22
L1 / 230 V mains connection
Pos: 6 /156-Honeywell/M ontage/ Fuehler-/Datenb us-Anschluss @ 1\mod_120764 8419728_6.doc @ 10051
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
Pos: 7 /156-Honeywell/M ontage/Wa ndsockel_fuer _Heizungs-Fe rnheizungsanw endungen @ 1\m od_1207648426 072_6.doc @ 10083
Sensor / data bus
connection