Control Connections
43
Electrical Connections
(continued)
Boiler control board GC 130 electrical connections
Legend
40
- Power supply
sÖ
- Boiler pump
A8
- LON/cascade communication
module
X3
- Terminal block (low-loss header
sensor, outdoor sensor and KM
BUS connection)
X4
- KM-BUS connection to the
Power/Pump module
5
3
6
9
2
9
7
v
1
.6
A8
20
1
2
3
4
5
6
7
X3
Boiler Control Board GC 130
4
3
2
1
LON
A8
X4
LON
40
Fig. 37
Содержание Vitodens 200-W 19 WB2B Series
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