4 - Certificazione energetica edifici

High efficiency cast iron boiler
•EXA
- Basement boiler suitable for hot sanitary water heating and supply.
- Cast iron boiler shell.
- Combustion chamber and exchanger being designed for over 90%
guaranteed efficiency.
- Operation through gas blown burners.
- Heat loss preventing ultra thick insulation.
- Instrument panel for proper operation control.
- EXA boilers can be combined with PAC S and BITHERM boilers.
• Installation and Maintenance
- A burner can be fitted onto the boiler plate.
- Maintenance is made simple thanks to easy accessibility to internal
components.
• Certification
- EXA boilers are EC type approved.
450 A
a1
C
• EXA-PAC S electrical connection kit.
850
711
542
a2 a3
Code Description
08515320 EXA-PAC S electrical connection kit.
274
B
85
64
80
boiler furnace power useful efficiency maximum sanitary power voltage heating heating Boiler A B C weight
type % heating pressure delivery return discharge
kW kcal/h 100% 30% bar V/Hz DN a1 DN a2 Ø a3 mm. Ø mm. Ø mm. Kg
EXA 20 23,25 19.995 90 92 4 230/50 1 ˚” 1 ˚” 1/2” 420 105 130 80
EXA 27 34 29.240 90 92 4 230/50 1 ˚” 1 ˚” 1/2” 420 105 130 105
EXA 32 38,6 33.196 90,4 92,08 4 230/50 1 ˚” 1 ˚” 1/2” 420 105 130 105
EXA 40 51,4 44.204 90,4 92,14 4 230/50 1 ˚” 1 ˚” 1/2” 620 105 130 130
EXA 50 64,1 55.126 90,6 92,23 4 230/50 1 ˚” 1 ˚” 1/2” 620 105 180 155
EXA 60 77,2 66.392 90,4 92,17 4 230/50 1 ˚” 1 ˚” 1/2” 820 125 180 180
EXA 70 89,7 77.142 90,7 92,25 4 230/50 1 ˚” 1 ˚” 1/2” 820 125 180 205
EXA 80 103,2 88.752 90,4 92,2 4 230/50 1 ˚” 1 ˚” 1/2” 920 125 180 230
boiler boiler useful power
code type kW kcal/h
00905100 EXA 20 20,9 17.974
00905110 EXA 27 30,6 26.316
00905120 EXA 32 34,9 30.014
00905130 EXA 40 46,5 39.990
00905140 EXA 50 58,1 49.996
00905150 EXA 60 69,8 60.028
00905160 EXA 70 81,4 70.004
00905170 EXA 80 93,3 80.238
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