Contents
MCM10
55
Contents
1 Key to symbols and safety precautions 56
1.1 Key to symbols 56
1.2 Safety precautions 56
2 Details about the MCM10 module 57
2.1 Information about this documentation 57
2.2 CE Declaration of Conformity 57
2.3 Intended use 57
2.4 Standard delivery 57
2.5 Accessories 57
2.6 Specification 58
2.6.1 General information 58
2.6.2 Dimensions 58
2.6.3 Connection diagram 59
2.6.4 Power supply parameters 60
2.6.5 Actual values, flow temperature sensor 60
2.6.6 Actual values, outside temperature sensor 60
2.7 System integration of the MCM10 60
2.7.1 Principles of cascade control 60
2.7.2 Heating control unit for MCM10 cascade systems 60
2.7.3 DHW heating with MCM10 cascade systems 61
2.7.4 Internal frost protection function 61
2.7.5 Control of one heating circuit pump 61
2.7.6 External switching contact 61
2.7.7 System versions overview 61
2.7.8 Connection of additional modules in case
of heating controllers with 2-wire BUS control 63
3 Installation 64
3.1 Installation 64
3.1.1 Wall mounting 64
3.1.2 Hooking into the mounting rail 65
3.1.3 Removal from the mounting rail 65
3.2 Electrical connections 65
3.2.1 Connection of the low voltage part with BUS
connections 65
3.2.2 230 V AC connection 66
3.2.3 Remote fault indicator connection 66
3.2.4 Electrical connection of the outside
temperature sensor 66
3.2.5 Electrical connection of the flow
temperature sensor 66
3.2.6 Electrical connection of an external
switching contact 66
3.2.7 Disposal 66
3.3 Fitting accessories 66
4 Commissioning and shutting down 67
4.1 Configuration 67
4.2 Commissioning 67
4.3 Configuration reset 67
4.4 Shutting down 67
5 Operating and fault displays 68
5.1 Boiler displays 68
5.2 Remote fault indicator 68
5.3 LEDs on MCM10 module 68
5.4 Operating and fault indications via the RC35 70
5.5 Replacing the fuse for the heating circuit pump
connection 71
6 Environmental protection 71
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