Unical MODULEX EXT Series

13
Technical Features
ENGLISH
2.4 - OPERATING DATA AND GENERAL FEATURES
For the adjustment data: NOZZLES - PRESSURE - COLLECTORS - FLOW RATES refer to the paragraph ADAPTATION TO
OTHER TYPES OF GAS.
MODULEX EXT 100 EXT 116 EXT 150 EXT 200 EXT 250 EXT 300 EXT 350
Boiler category II
2H3P
Modulation ratio 1:8.3 1:9.7 1:12.5 1:16.7 1:20.8 1:25 1:29
Rated heat output on P.C.I. Qn kW 100 116 150 200 250 300 348
Minimum heat output on P.C.I. Qmin kW 12
E󰀨ective nominal output (Tr 60 / Tm 80 °C) Pn kW 97.2 112.9 146.1 195.2 244.5 294 341.7
Minimum e󰀨ective output (Tr 60 / Tm 80 °C) Pn min kW 11.7
E󰀨ective nominal output (Tr 30 / Tm 50 °C) Pcond kW 100.1 116 150 200.4 251.3 302.7 354.6
Minimum e󰀨ective output (Tr 30 / Tm 50 °C) Pcond min kW 12.8
Nominal output performance (Tr 60 / Tm 80°C) % 97.2 97.3 97.4 97.6 97.8 98.0 98.2
Minimum output performance (Tr 60 / Tm 80°C) % 97.16
Nominal output performance (Tr 30 / Tm 50°C) % 100.1 100.0 100.0 100.2 100.5 100.9 101.9
Minimum output performance (Tr 30 / Tm 50°C) % 106.5
Performance at 30% of the load (Tr 30°C) 107.3
Combustion e󰀩ciency at nominal load % 97.8 97.8 97.8 97.8 98.0 98.1 98.3
Combustion e󰀩ciency with reduced load % 98.3 98.3 98.3 98.3 98.3 98.3 98.3
Casing heat loss with burner on (Qmin) % 1.2
Casing heat loss with burner on (Qn) % 0.6 0.5 0.4 0.2 0.2 0.1 0.1
Net ue gas temperature tf-ta (min)(*) °C 33.4
Net ue gas temperature tf-ta (max)(*) °C 44.2 45.1 45.1 46.5 47.3 48.2 49.1
Maximum permitted temperature °C 100
Maximum operating temperature °C 85
Flue gas mass ow rate (min) kg/h 19.6
Flue gas mass ow rate (max) kg/h 163 190 245 327 409 490 569
Excess air % 25.5
Heat loss at chimney with burner on (min) % 1.7
Heat loss at chimney with burner on (max) % 2.2 2.2 2.2 2.2 2.2 1.9 1.7
Minimum heating circuit pressure bar 0.5
Maximum heating circuit pressure bar 6
Water content L 10.1 14.2 14.2 18.3 22.4 26.5 30.6
Methane gas consumption G20 (sup.p. 20 mbar) at Qn m
3
/h 10.6 12.3 15.9 21.1 26.4 31.7 36.8
Methane gas consumption G20 (sup.p. 20 mbar) at Qmin m
3
/h 1.3
Gas consumption G25 (sup.p. 20/25 mbar) at Qn m
3
/h 12.3 14.3 18.4 24.6 36.7 36.9 42.8
Gas consumption G25 (sup.p. 20/25 mbar) at Qmin m
3
/h 1.5
Propane gas consumption (sup.p. 37/50 mbar) at Qn kg/h 7.8 9.0 11.6 15.5 19.4 23.3 27
Propane gas consumption (sup.p. 37/50 mbar) at Qmin kg/h 0.9
Chimney base maximum pressure available Pa 100
Max condensate production kg/h 15.3 17.7 23 30.6 38.3 45.9 53.6
Emissions
CO at maximum heat output with 0% of O2 (PCI) mg/kWh 57 42 63 62 71 55 63
NOx at maximum heat output with 0% of O2 (PCI) mg/kWh 52 51 61 56 64 62 50
(***) Sound pressure level dB (A) 52 52 52 52 52 52 52
Electrical data
Power supply voltage/frequency V/Hz 230 / 50
(**) Protection rating IP X5D
Room Temperature = 20°C
(*) Temperature detected with appliance operation ow 80°C / ret. 60°C
CO
2
(min/max) See ‘’NOZZLES - PRESSURE’’ table
Seasonal Energy E󰀩ciency
according to 2009/125 EEC (<=400Kw) η
s
- see ErP table
Leaks upon stop at ∆T 30°C - Pstb - see
ErP table
Electricity consumption on standby - Psb - see
ErP table
(**) The IP protection rating is obtained with the cover down
(***) at 1 m away in free eld.