51
71.07144.01 - EN
INSTRUCTIONS FOR FITTERS
31. TECHNICAL DATA
Model MAINFOUR 24 F 24
Category II2H3P II2H3P
Rated heat input kW 25,8 26,3
Reduced heat input kW 10,6 10,6
Rated heat output kW 24 24
kcal/h 20.600 20.600
Reduced heat output kW 9,3 9,3
kcal/h 8.000 8.000
Efciency according to Directive 92/42/EEC —
★★★ ★★
Max. pressure in central heating system bar 3 3
Capacity of expansion vessel l 6 6
Pressure of expansion vessel bar 0,5 0,5
Max. pressure in DHW system bar 8 8
Minimum dynamic pressure in DHW system bar 0,15 0,15
Minimum DHW output l/min 2,0 2,0
DHW output at ∆T=25 °C
l/min 13,7 13,7
DHW output at ∆T=35 °C
l/min 9,8 9,8
Specic output (*) l/min 11 11
Temperature range in heating system
°C 30/76 30/76
Temperature range in DHW system
°C 35/55 35/55
Type — C12-C32-C42-C52-C82-B22 B
11BS
Diameter of concentric ue duct mm 60 -
Diameter of concentric air duct mm 100 -
Diameter of 2-pipe ue duct mm 80 -
Diameter of 2-pipe air duct mm 80 -
Diameter of ue duct mm - 120
Max. mass ow of fumes kg/s 0,016 0,021
Min. mass ow of fumes kg/s 0,016 0,018
Max. temperature of fumes °C 149 120
Min. temperature of fumes °C 119 86
NOx class — 3 3
Type of gas — G20 G20
— G31 G31
Natural gas supply pressure mbar 20 20
Propane gas supply pressure mbar 37 37
Power supply voltage V 230 230
Input frequency Hz 50 50
Rated electrical input W 130 80
Net weight kg 31 29
Dimensions height mm 730 730
width mm 400 400
depth mm 299 299
Protection against humidity and water penetration (**) IP X5D IP X5D
(*) according to EN 625
(**) according to EN 60529
As BAXI constantly strives to improve its products, it reserves the right to modify the information contained in this document at any time
and without prior notice. This document is issued purely for the sake of information and should not be considered as a contract with third
parties.
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