ProductDescription
SwitchPanel
CompactGasFitting
S
witchPanel
Theswitchpanelandalloftheabove
operatingelementsareintegratedinto
thecondensingboiler.TheLMUsystem
electronicsoffer:
-
M
anagementofmodulatingboiler
control
-
Weather-regulatedheatingcontrolfor
1heatingcircuit
-
Hot
watergeneration
CompactGasFitting
Thecompactgasfittingfunctionsasa
gassafetyshutoffvalveandascontrol
valve.Thecontrolvalvoperatesasa
pneumaticgas/aidifferentialpressure
valve.Onthegasexitsideitcontrols
thegaspressureP
o
a
safunctionofthe
combustionairpressureP
L
.
Ifnoair
pressureisaccumulated(P
L
=
0),the
gasvalveremainsclosed.Thegas/air
pressureratioandthusthegas/airvolu-
meratiocanbeadjustedandtherefore
remainnearlyconstantthroughoutthe
setloadrange.
TechnicalData:
Safetyshutoffvalves 2,classB/C
Linevoltage 230VAC
Currentload 0,37A
Gaspressuremonitoringsetto
10mbar
Gasfittingincludinggasfilter
Thehotwatertemperatureisfactory
presetto55°Cbutcanbechanged.
Theheatingcircuitcharacteristicsare
presetandcanbeadjustedaccording
totherespectivesystem.
Alladjustmentparameterscanbe
adjustedusingtheAGU2.311
operatingpanelortheQAA73room
unit(accessory).
6
6
78910
2
14
4
5
1
1
3
3
11
1
ButtonReset(Unlock)
2ButtonOperatingmodedomestic
wateruse
3ButtonOperatingmodeheatingcircuit
4ButtonTargettemperatureheating
circuit
5ButtonTargettemperature
domesticwateruse
4+5ButtonsChimneysweep
6ButtonsLineselector(Down)
7ButtonsLineselector(Up)
8ButtonsSetting(Back)
9ButtonsSetting(Forward)
10ButtonInformation
11LCDDisplay
13Fuse6.2AT
14SwitchON-OFF
e
n