Immergas MYTHOS HP - Combustion Parameters

58
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
4.2 COMBUSTION PARAMETERS
Gas type G20 G31
Supply pressure mbar (mm H2O) 20 (204) 37 (377)
Gas nozzle diameter mm 0.82 0.48
Flue ow rate at D.H.W. nominal heat output kg/h (g/s) 47 (13.13) 50 (13.81)
Flue ow rate at heating nominal heat output kg/h (g/s) 5 0 (13. 81) 51 (14.14)
Flue ow rate at min heat output kg/h (g/s) 34.18 (9.85) 33.12 (10.01)
CO2 to nominal Q. % 7.3 (± 0,2) 7.9 (± 0,2)
CO2 to ignition Q. % 3.95 (± 0,2) 4.7 (± 0,2)
CO2 to minimum Q. % 3.95 (± 0,2) 4.7 (± 0,2)
CO with 0% O2 at Nom./Min. Q. ppm 121 / 25 92 / 38
NOx with 0% O2 at Nom./Min. Q. mg/kWh 55 / 25 42 / 26
Flue temperature at nominal output °C 70 69
Flue temperature at minimum output °C 70 67
Max air combustion temperature °C 50 50
Combustion parameters: measuring conditions of useful eciency (ow temperature/return temperature= 80 / 60 °C), ambient tempe-
rature reference = 15°C.
Concentric intake/exhaust available head
with
ue gas diaphragm Ø80
Concentric intake/exhaust available head
with
ue gas diaphragm Ø77
Concentric intake/exhaust
available head
without diaphragm
Pa Pa Pa
33 43 60
Ø80 exible intake/exhaust available head
with Ø45 ue diaphragm
Ø80 exible intake/exhaust available head
with Ø55 ue diaphragm
Pa Pa
24 80