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FM443/CMS 910
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2
1
Fig. 1
Front panel – FM443/CMS 910 function module
1
Manual switch (solar circuit 1)
2
LED "3-way diverter valve" for buffer bypass circuit (central heating
backup via cylinder)
3
LED "3-way diverter valve" for buffer bypass circuit
(no central heating backup via cylinder)
4
Solar circuit pump 1*
5
Cyliner 1 maximum temperature
6
LED "Module fault" (red) – general module fault
7
Collector maximum temperature
8
Secondary solar circuit pump 2 or transfer or transfer pump enabled*
9
Solar circuit pump 2 or 3-way diverter valve 2 in place of solar heating
circuit 2*
10 3-way diverter valve in place of solar heating circuit 1
11 Manual switch (solar circuit selection)
*
LED constantly ON: Pump running (100 %)
LED "flickers": Pump modulates
LED OFF: Pump OFF
Product description | 7
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6 720 803 142 (2011/06)
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