Unical IDEA CS 24 User Manual

14
2.6 - GENERAL FEATURES !DEA Plus
OPERATING DATA ACCORDING TO UNI 10348 !DEA Plus
Attention: should the boilers be used to heat systems at low temperature (e.g. radiant panels), a mixer valve is required to avoid
condensation forming.
!DEA AC 23 Plus CS 24 Plus CS 28 Plus CS 32 Plus
Maximum thermal ow rate kW 25.5 26.5 30.1 34.5
Minimum thermal ow rate kW 11.5 11.5 11.5 13.5
Effective nominal output kW 22.9 24.7 28.1 32.3
Minimum effective output kW 9.9 10.1 10.2 12.2
Effective efciency at nominal load (100%) % 89.8 93.05 93.21 93.5
Effective efciency required (100%) % 89.72 92.78 92.90 93.02
Effective efciency at 30% load % 89.43 90.43 90.42 90.42
Effective efciency required (30%) % 87.08 90.18 90.34 90.53
Number of stars (according to 92/42 EEC) no.
Combustion efciencywithnominalload(100%) % 91.36 93.21 94.6 94.57
Combustion efciency with reduced load % 88.5 88.06 89.52 88.76
Heat loss at casing (min.-max.) % 2.0- 1.6 0.17 - 0.16 0.77-1.40 1.07-1.35
(*) Flue gas temperature tf-ta (max.) % 95.5 119.3 96.3 101.4
Flue gas mass ow rate (min.-max) g/s 19.1-21.2 14.21-13.74 15.17-15.35 18.12-16.8
Excess λ air % 140.7 45.15 42.56 35.34
CO
2
% 2.2-4.6 3.0-7.8 2.8-8.0 2.75-8.4
NOx(WeightedvalueaccordingtoEN297/A3orEN483) mg/kWh 189.2 184.16 186.00 164.05
NOx Class 2 2 2 2
Heat loss at chimneywithburneron(min.-max.) % 8.6-11.5 11.94-6.79 5.40-10.48 5.40-11.2
Heat loss at chimney with burner off % 0.657 0.256 0.321 0.280
Available head at the base of the chimney Min. / Max. Pa 2 / 50 2 / 50 2 / 50 2 / 50
(*) Room Temperature = 20°C
!DEA AC 23 Plus CS 24 Plus CS 28 Plus CS 32 Plus
Appliance category II
2H3P
II
2H3P
II
2H3P
II
2H3P
Minimum heat. circuit output (∆t 20 °C) l/min 7.1 7.2 7.3 8.7
Minimum heating circuit pressure bar 0.5 0.5 0.5 0.5
Maximum heating circuit pressure bar 3 3 3 3
Primary circuit content l 3 3 3.5 3.5
Maximum operating temperature in heat. °C 78 78 78 78
Minimum operating temperature in heat. °C 45 45 45 45
Expansion vessel total capacity l 6 6 8 10
Expansion vessel pre-load bar 1 1 1 1
Maximum system capacity (maxtemp.calc.of82°C) l 138 138 184 230
Minimum domestic hot water circuit ow rate l/min. 2.5 2.5 2.5 2.5
Minimum domestic hot water circuit pressure bar 0.5 0.5 0.5 0.5
Maximum domestic hot water circuit pressure bar 6 6 6 6
Domestic hot water specic ow rate (∆t 30 °C) l/min. 11 12 13.5 15.5
Domestic hot water ow rate limiter l/min. 10 10 12 14
Production of D.H.W. in continuous operation with ∆t 45 K l/min. 7.8 7.4 8.7 10.3
Production of D.H.W. in continuous operation with ∆t 40 K l/min. 8.8 8.3 9.8 11.6
Production of D.H.W. in continuous operation with ∆t 35 K l/min. 10.0 9.5 11.1 13.2
Production of D.H.W. in continuous operation with ∆t 30 K l/min. 11.7 11.0 13.0 15.4
Production of D.H.W. in continuous operation with ∆t 25 K (*) l/min. 14.1 13.2 15.6 18.5
Temperature adjustable in domestic hot water mode °C 35-57 35-57 35-57 35-57
Voltage/Frequency electric power supply V-Hz 230/50 230/50 230/50 230/50
Fuse on the power supply A (F) 2 2 2 2
Maximum absorbed output W 85 138 138 150
Protection rating IP X4D X5D X5D X5D
Net weight kg 28.6 30.1 35.2 36.2
Gross weight kg 31.5 33 38.2 39.2
(*) mixed

Unical IDEA CS 24 Specifications

General

Brand	Unical
Model	IDEA CS 24
Category	Boiler
Language	English