Additional Information
60
Ladder Diagram
Legend
-X1 [40]
power supply 120 VAC
-X1 [20A] pump, HTG system w/o
mixing valve, 120 VAC
-X1 [21]
pump DHW tank 120 VAC
-X1 [20]
pump boiler 120 VAC
-X1 [50]
fault alarm 120 VAC
-X2 [28]
pump, DHW recirculation,
120 VAC
Total max. output current 8A
-X3
boiler power supply 230
VAC
-K1, -K2,
-K3, -K4,
-K5
operating contacts
-F1, -F2
fuses (slow blow)
-T
transformer
H1
communication board
Fig. 54
T3.5A
300VA
5
3
6
9
2
9
7
v
1
.6
IMPORTANT
Содержание Vitodens 200-W 19 WB2B Series
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