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Calling up operating conditions and sensors
"General" sub-menu
"Outside temperature"
"Central fault"
"Time"
"Date"
"Boiler"
"Firmware version"
"Userware version"
"Boiler" sub-menu
"Boiler water temperature"
"Return temperature"
"Flue gas temperature"
"Flue gas residual O2"
"Prim air damper"
"Sec air damper"
"Flue gas fan"
"Flue gas fan"
"Valve position boiler"
"Valve position buffer"
"Stepper motor voltage"
"Flue gas controller"
"Heating" sub-menu
Select the relevant heating circuit by pressing
"Operating program"
"Operating status"
"Time program"
"Set room temp."
"Set red room temp"
"Set flow temperature"
"Actual flow temp"
"Slope"
"Level"
"Heating circuit pump"
"Valve"
"DHW" sub-menu
"Operating program"
"Operating status"
"Time program"
(cont.)
Press
d
to display adjusted and actual outside tem-
perature.
Ext. output for on-site fault signalling unit
Displays the set time.
Displays the set date.
Vitoligno 200-S
Display of current firmware
Display of current userware
Only available with electric boiler valve.
O
content in the flue gas
2
Steps
Steps
Speed specified in rpm
Speed specified in %
3-way valve, return temperature raising facility
Only available with electric boiler valve.
Buffer cylinder control valve
Only available with electric boiler valve.
Test of the air damper stepper motor. The stepper mo-
tor has developed a fault if no voltage is indicated.
Modulating set flue gas temperature
/
.
Ù
Ú
ON/OFF
Service checks
59
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