4 - Certificazione energetica edifici

Wall-hung indoor gas boilers
•“wall-hung boiler” ALMA
- High-efficiency open (mod. MB) and proof chamber (mod. MBS)
boilers suitable for hot sanitary water heating and supply.
- 50 Lt. storage unit stainless steel boiler.
- Copper exchanger.
- Atmospheric burner, in stainless steel for all kinds of gas.
- Combustion chamber provided with ceramic fibre insulation.
- Ionization flame control electronic ignition.
- Electronically controlled proportional modulation for heating and
sanitary circuit.
- Suitable for low temperature system operation.
- Proof combustion circuit with flue discharge electrical fan (mod.
MBS).
- Safety FLUE CONTROL preventing burnt gases from entering the
room (mod. MB).
- Slow opening gas valve.
- 8 Lt. heating unit expansion tank.
- 2 Lt. sanitary circuit expansion tank.
- High-prevalence circulator.
- Three-way electrical valve.
- Electronic control panel.
- Heating and sanitary temperature regulation.
- Flue standard intake in the boiler (mod. MBS).
- Defect display.
- Anti-freeze function.
- Post circulation function.
- “antilegionella” function.
- By-pass.
- IP X4D protection degree.
- A digital time and date clock can be fitted.
A
B
C
• Installation and Maintenance
- Easy installation thanks to template connections and water connection
kits (on demand).
- Maintenance is made simple thanks to easy accessibility to internal
components.
• Optional accessories
- For accessories suitable for ALMA boiler, see page 85.
- Flue inlet/outlet kits are not included in the supply. See accessories on
demand on page 85.
• Certification
- ALMA boilers are EC type approved.
900
600 470
232
122
ALMA MBS
dimensions
Attacchi: vedi dima a pag. 79.
boiler furnace power useful efficiency Max. pressure power hot sanitary A B C Weight
type % bar voltage water supply ΔT 30°C
kW kcal/h 100 % 30 % risc. sanit. V/Hz l/min. Ø mm mm mm kg
ALMA 24 MB W TOP/IT 26 22.360 90 86,8 3 8 230/50 11,2 132,5 173 222 70
ALMA 24 MBS W TOP/IT 26 22.360 92 88,7 3 8 230/50 11,4 * 132 222 75
ALMA 28 MB W TOP/IT 30,2 25.972 90,2 86,9 3 8 230/50 13 152,5 173 222 70
ALMA 28 MBS W TOP/IT 30,45 26.187 91,2 88,9 3 8 230/50 13,3 * 132 222 75
ALMA 32 MBS W TOP/IT 34,5 29.670 92,5 88,9 3 8 230/50 15,2 * 132 222 75
* Flue connections: concentric or split discharge - ** Air suction Ø80.
boiler Fuel boiler Useful power
code type kW kcal/h
00905330 natural gas ALMA 24 MB W TOP/IT 10,43÷ 23,4 8.970÷ 20.124
00905340 LPG ALMA 24 MB W TOP/IT 10,43÷ 23,4 8.970÷ 20.124
00905310 natural gas ALMA 24 MBS W TOP/IT 10,5÷ 23,92 9.030÷ 20.571
00905320 LPG ALMA 24 MBS W TOP/IT 10,5÷ 23,92 9.030÷ 20.571
00905370 natural gas ALMA 28 MB W TOP/IT 12,2÷ 27,24 10.492÷ 23.426
00905380 LPG ALMA 28 MB W TOP/IT 12,2÷ 27,24 10.492÷ 23.426
00905350 natural gas ALMA 28 MBS W TOP/IT 12,16÷ 27,8 10.458÷ 23.908
00905360 LPG ALMA 28 MBS W TOP/IT 12,16÷ 27,8 10.458÷ 23.908
00908140 natural gas ALMA 32 MBS W TOP/IT 14÷ 31,9 12.040÷ 27.434
00908150 LPG ALMA 32 MBS W TOP/IT 14÷ 31,9 12.040÷ 27.434
53