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EA1 Extension Module Installation
Connecting the Analog Input 0-10V
The 0 - 10V hook-up provides an additional set boiler
water temperature:
0 - 1V seen as “no default set boiler water temperature”
1V
set value 50°F (10°C)
10V set value 212°F (100°C)
On the Vitotronic, type G ... the range of the set value
default can be changed with code 1E:
1V
set value 86°F (30°C)
10V set value 248°F (120°C)
Connections
Connecting the KM BUS to the Boiler Control Unit
Legend
A Extension EA1
B Connection area of boiler control unit
Boiler control unit installation
and service instructions
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