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Faults - Possible causes - Solutions
9.3 Control card
Q = Delivery
°-T= Angle and type of spray (Tab. G on page 18)
PP= Pump delivery pressure
VP= Pump suction pressure or depressure
BACH= Bacharach
CO2= Carbon dioxide
CO= Carbon monoxide
NOx= Nitrogen oxide
CxHy= Uncombusted hydrocarbons
T2= Temperature
PF= +/- pressure at stack
T1= Temperature
PV= Fan pressure
RT= Combustion head adjustment
RS= Fan gate valve adjustment
T/P= Temperature or pressure
PC= Comb. chamber pressure
Qs= Heat loss at stack
BURNER MODEL TYPE CODE
BOILER COMPANY MODEL kW
NOZZLE PUMP FLUE GASES AIR BOILER STACK
Q °-T PP VP BACH CO
2
CO NOx CxHy T2 PF T1 PV RT RS T/P PC Qs
GPH bar bar N° % ppm ppm ppm °C mbar °C mbar n° n° °C/bar mbar %
NOZZLE PUMP FLUE GASES AIR
Q °-T PP VP BACH CO
2
CO NOx CxHy T2 PF T1 PV RT RS
GPH bar bar N° % ppm ppm ppm °C mbar °C mbar n° n°
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