Unical IDEA CS 24 User Manual

13
Technical Features
ENGLISH
2.5 - GENERAL FEATURES !DEA
2.4 - OPERATING DATA ACCORDING TO UNI 10348 !DEA
For the adjustment data: NOZZLES - PRESSURE - DIAGRAMS - FLOW RATES - CONSUMPTION refer
to the paragraph ADAPTATION TO OTHER TYPES OF GAS.
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/AR23 CS18/RS18 CS24/RS24 CS28/RS28 CS32/RS32
Maximum thermal ow rate kW 25.5 20.5 26.5 30.1 34.5
Minimum thermal ow rate kW 11.5 9.0 11.5 11.5 13.5
Effective nominal output kW 22.9 18.5 24.6 28 31.6
Minimum effective output kW 9.9 7.8 10.1 10.2 11.6
Effective efciency at nominal load (100%) % 89.9 90.4 92.92 93.18 91.69
Effective efciency required (100%) % 89.72 89.54 92.78 92.9 90.0
Effective efciency at 30% load % 89.43 90.23 90.23 90.42 90.42
Effective efciency required (30%) % 87.08 86.80 90.17 90.34 87.5
Number of stars (according to 92/42 EEC)
no.
Combustion efciencywithnominalload(100%) % 91 91.57 93.72 94.46 93.59
Combustion efciency with reduced load % 88 83.41 88.92 88.78 87.16
Heat loss at casing (min.-max.) % 1.68-1.11 2.78-1.17 0.86-0.80 0.27-1.28 0.61-1.90
(*) Flue gas temperature tf-ta (max.) % 107.5 121.5 109 103.5 120.9
Flue gas mass ow rate (min.-max) g/s 16.76-8.85 14.32-13.0 14.21-13.89 14.7-14.6 17.2-16.6
Excess λ air % 122.09 80.61 46.94 35.3 33.84
CO
2
% 2.4-5 2.3-6.2 3.0-7.7 2.9-8.4 2.9-8.5
NOx(WeightedvalueaccordingtoEN297/A3orEN483) mg/kWh 189.2 178.59 178.59 186.6 178.21
NOx Class 2 2 2 2 2
Heat loss at chimneywithburneron(min.-max.) % 11.97-9.02 8.43-16.59 11.08-6.28 11.2-5.5 12.8-6.4
Heat loss at chimney with burner off % 0.657 0.457 0.354 0.32 0.280
Available head at the base of the chimney Min. / Max. Pa 2 / 50 2 / 50 2 / 50 2 / 50 2 / 50
Notes: (*) Room Temperature = 20°C Data detected with appliance running on Methane gas (G20)
!DEA
AC 23 AR23 CS 18 RS18 CS 24 RS24 CS 28 RS28 CS 32 RS32
Appliance category
II
2H3P
II
2H3P
II
2H3P
II
2H3P
II
2H3P
Minimum heat. circuit output (∆t 20 °C) l/min
7.12 5.56 7.26 7.3 8.28
Minimum heating circuit pressure bar
0.5 0.5 0.5 0.5 0.5
Maximum heating circuit pressure bar
3 3 3 3 3
Primary circuit content l
3 3 3 3.5 3.5
Maximum operating temperature in heat. °C
78 78 78 78 78
Minimum operating temperature in heat. °C
45 45 45 45 45
Expansion vessel total capacity l
6 6 6 8 10
Expansion vessel pre-load bar
1 1 1 1 1
Maximum system capacity (maxtemp.calc.) l
138 138 138 184 230
Minimum domestic hot water circuit ow rate l/min.
2.5 - 2.5 - 2.5 - 2.5 - 2.5 -
Minimum domestic hot water circuit pressure bar
0.5 - 0.5 - 0.5 - 0.5 - 0.5 -
Maximum domestic hot water circuit pressure bar
6 - 6 - 6 - 6 - 6 -
Domestic hot water specic ow rate (∆t 30 °C) l/min.
10.5 - 8.5 - 11.5 - 13.5 - 15.2 -
Domestic hot water ow rate limiter l/min.
10 - 8 - 10 - 12 - 14 -
Production of D.H.W. in continuous operation with ∆t 45 K l/min.
7.8 - 8 - 7.6 - 8.9 - 9.9 -
Production of D.H.W. in continuous operation with ∆t 40 K l/min.
8.8 - 6.3 - 8.6 - 10.1 - 11.1 -
Production of D.H.W. in continuous operation with ∆t 35 K l/min.
10 - 7.2 - 9.8 - 11.5 - 12.7 -
Production of D.H.W. in continuous operation with ∆t 30 K l/min.
11.7 - 8.4 - 11.4 - 13.4 - 14.9 -
Production of D.H.W. in continuous operation with ∆t 25 K (*) l/min.
14.1 - 10.1 - 13.7 - 16.1 - 17.8 -
Temperature adjustable in domestic hot water mode °C
35-57 - 35-57 - 35-57 - 35-57 - 35-57 -
Voltage/Frequency electric power supply V-Hz
230/50 230/50 230/50 230/50 230/50
Fuse on the power supply A (F)
2 2 2 2 2
Maximum absorbed output W
85 138 138 138 150
Protection rating IP
X4D X5D X5D X5D X5D
Net weight kg
27.1 24.6 29.6 28.1 29.6 28.1 34.7 33.2 35.7 34.7
Gross weight kg
30 27.6 32.5 31 32.5 31 38 36.2 39 37.2
(*) mixed

Unical IDEA CS 24 Specifications

General

Brand	Unical
Model	IDEA CS 24
Category	Boiler
Language	English