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8 - TECHNICAL DATA
8.2 - Curves of
residual head
for central
heating system
Where:
1 = first speed
2 = second speed
3 = third speed
8.3 - Curves
burner
pressure-
input rating
Where:
A = AXIA 20E
B = AXIA 29E
8.4 - Curves
Efficiency-
input rating
Where:
A = AXIA 20E
B = AXIA 29E
Efficiency (%)
Input rating (kBtu/hr)
Input rating (kW)
Input rating (kW)
Input rating (kBtu/hr)
Burner pressure (“WC)
Burner pressure (mbar)
Pressure (kPa)
Pressure (ft H20)
Flow rate (gal/min.)
Flow rate (lit/min)