4 - Certificazione energetica edifici

Wall-hung indoor gas boilers
•“ultra low emission” XILO LN
- Proof boiler suitable for hot sanitary water heating and supply.
- Low NOx emission water cooling burner, in stainless steel for all kinds
of gas.
- Reduced overall dimensions (-20% if compared to the standard
boilers).
- High-efficiency primary copper exchanger.
- Instantaneous exchanger for plate hot sanitary water.
- Ionization flame control electronic ignition.
- Electronically controlled proportional modulation for sanitary and
heating circuits.
- Proof combustion circuit with flue discharge electrical fan.
- By-pass.
- High-prevalence circulator.
- 8 Lt. expansion tank.
- Three-way electrical diverting valve.
- Slow opening gas valve.
- Combustion chamber provided with ceramic fibre insulation.
- Instruments for unit control and regulation.
- Flue standard intake in the boiler (mod. MCS).
- Precedence flow meter.
- Class: NOx = 5.
- IP X4D protection degree.
Classe
NOx
5
• 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 XILO LN boiler, see page 85.
- Flue inlet/outlet kits are not included in the supply. See accessories on
demand on page 85.
220
A
160
• Certification
- XILO LN boilers are EC type approved.
770
440 330
97
250
Water cooling burner
boiler furnace power useful efficiency Maximum pressure power voltage hot sanitary A Weight
type % bar water supply ΔT 30°C
kW kcal/h 100 % 30 % risc. sanit. V/Hz l/min. Ø mm kg
XILO LN 20 MCS W TOP/IT 25 21.500 93,9 92,5 3 8 230/50 2,5÷ 11,2 * 43
* Flue connections: concentric or split discharge
boiler fuel boiler useful power
code type kW kcal/h
00903450 natural gas XILO LN 20 MCS W TOP/IT 12,9÷ 23,4 11.094÷ 20.124
00903460 LPG XILO LN 20 MCS W TOP/IT 12,9÷ 23,4 11.094÷ 20.124
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