Gas-air connection adjustment
Implementation
Thisadjustment isonlypermissibleafter changing
the type of gas. or in case of problems.
Implementthe gas-air-connection firstinthe upper
loadrange(emissionstest mode)and then in the
lowerload range (softstart).
Adjusting the CO2value in the upper
load range (emissions test mode)
. Set the programselector to Ii emissionstest (a
reddotappearsbetweenthefiguresonthedisplay).
. Removethe cap nut from the r.h. test nipple
"Ventilation air" <ID.
. Check the CO2concentration at the ventilation
air nipple<ID.Theflue pipe is not gas tight ifthe
CO2content> 0.3 °/0;rectifythe leak.
. Checkthe C02contentat full load.
CO2valueinthe upperload range in emissionstest
mode:
Table:CO2 content to beselected
. CorrecttheCO2adjustment(ifrequired)bycarefully
rotating the gasflowadjustment screw@ onthe
gas combination valve.
.Turnto the right - the C02contentwillbe
reduced
Turnto the left - the CO2content willincrease
26
ON/OFF switch
Programselector
Fig.: Control unit overview
Gas flow adjustment
screw@
Adjustmentscrew @
lower load
Fig.: Adjusting the CO2content
Fig.: Testnipples
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