115
Function Code From/
switching
state
To/switching
state
Unit
"Sensor temp BX6" (B42/
B10)
7825 0.0 200.0 °C
"Sensor temp BX7"
(temperature inside the appli-
ance)
7826 0.0 200.0 °C
"Sensor temp BX21"
Heating circuit 1 flow tempera-
ture
7830 - 28.0 350.0 °C
"Sensor temp BX21"
Heating circuit 2 flow tempera-
ture
7832 - 28.0 350.0 °C
"Sensor temp BX21"
Heating circuit 3 flow tempera-
ture
7834 - 28.0 350.0 °C
"Voltage signal H3" 7854 0 10 V
"Contact state H3" 7855 "Open" "Closed"
"Frequency H3" 7857 0 1000 Hz
"Contact state H4" 7860 "Open" "Closed"
"Pulse counter H4" 7861 0 65535
"Frequency H4" 7862 0 1000 Hz
"Signal input EX1" 7911 0 230 V
"Signal input EX2" 7912 0 230 V
Service/special operation (service functions)
Function Code Operating
level
Setting options
"Maintenance interval"
A service message is generated
after expiry of the period set here
(fault message 105)
7044 "F2" 1 to 240 months (deliv-
ered condition: 12
months)
"Time since maintenance"
■ Counts the time elapsed since
the last service
■ Can be reset to "0"
7045 "F2" 0 to 240 months
"Chimney sweep function"
(see page 160)
7130 "E" ■ "Off"
■ "On"
Service scans
Input/output test
(cont.)
5618 294 GB
Service
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