Beretta C.A.I. 24kW User Manual

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TECHNICAL DATA
CH/DHW* nominal heating capacity (Hi) kW 26,70 31,30 28,80 33,20 37,80
kcal/h 22.962 26.918 24.768 28.552 32.508
CH/DHW* nominal heating power kW 24,03 28,30 26,21 30,38 35,31
kcal/h 20.666 24.334 22.539 26.125 30.362
CH reduced heating capacity (Hi) kW 8,30 10,70 8,50 9,80 9,95
kcal/h 7.138 9.202 7.310 8.428 8.557
CH reduced heating power kW 7,05 9,21 7,70 8,86 9,18
kcal/h 6.060 7.923 6.623 7.619 7.898
DHW* reduced heating capacity (Hi) kW 8,30 8,70 8,50 9,80 9,95
kcal/h 7.138 7.482 7.310 8.428 8.557
DHW* reduced heating power kW 7,05 7,49 7,70 8,86 9,18
kcal/h 6.060 6.442 6.623 7.619 7.898
Working efficiency Pn max - Pn min % 90,0-84,9 90,4-86,1 91,0-90,6 91,5-90,4 93,4-92,3
Working efficiency 30% % 89,9 90,3 91,9 92,2 94,5
Electric power W 85 85 120 150 160
Supply voltage V - Hz 230-50 230-50 230-50 230-50 230-50
Protection level IP X5D X5D X5D X5D X5D
Chimney and skirt losses with burner off % 0,07-0,80 0,07-0,80 0,80-0,07 0,80-0,07 0,80-0,07
CH operation
Maximum pressure - temperature bar-°C 3-90 3-90 3-90 3-90 3-90
Minimum pressure for standard working/operating bar 0,25-0,45 0,25-0,45 0,25-0,45 0,25-0,45 0,25-0,45
Selection field of CH water temperature °C 40-80 40-80 40-80 40-80 40-80
Pump: maximum head available for system mbar 300 300 300 300 340
capacity l/h 1000 1000 1000 1000 1000
Membrane expansion tank l 8 8 8 8 10
Expansion vessel pre-charge (CH) bar 1 1 1 1 1
DHW operation*
Maximum pressure bar 6 6 6 6 6
Minimum pressure bar 0,15 0,15 0,15 0,15 0,15
Specific capacity following EN625 l/min - - 11,85 14 -
Hot water quantity: Δt 30° C l/min 11,5 13,5 - - 16,9
DHW minimum capacity l/min 2 2 2 2 2
Selection field of DHW temperature °C 35-60 35-60 35-60 35-60 35-60
Flow regulator l/min 10 12 11 13 15
Gas pressure
Category (extra EC countries) II2H3+ II2H3+ II2H3+ II2H3+ II2H3+
Natural gas pressure (G20) mbar 20 20 20 20 20
LPG pressure (G30/G31) mbar 28-30/37 28-30/37 28-30/37 28-30/37 28-30/37
Category (MT) I3B/P I3B/P I3B/P I3B/P I3B/P
LPG pressure (G30/G31) mbar 30 30 30 30 30
Hydraulic connections
CH input-output Ø 3/4” 3/4” 3/4” 3/4” 3/4”
DHW input-output (MIX C.S.I. - C.A.I.) Ø 1/2” 1/2” 1/2” 1/2” 1/2”
Water tank delivery-return (MIX R.S.I. - R.A.I.) Ø - 3/4” - 3/4” 3/4”
Gas input Ø 3/4” 3/4” 3/4” 3/4” 3/4”
Boiler dimensions and weight
Height mm 740 740 740 740 780
Width mm 400 450 400 450 500
Depth mm 332 332 332 332 332
Weight kg 30 33 (C.A.I.) 34 36 (MIX C.S.I.) 43 (MIX C.S.I.)
Weight kg - 32 (R.A.I.) - 35 (MIX R.S.I.) 41 (MIX R.S.I.)
Fan performance
Residual head with 0.85m concentric pipes mbar - - 0,2 0,2 0,2
Residual head of boiler without pipes mbar - - 0,35 0,35 1,15
Flow rates (G20)
Air capacity Nm
3
/h 46,914 54,996 48,34 54,107 60,724
Fumes capacity Nm
3
/h 49,591 58,135 51,23 57,44 64,515
Mass flow (max-min) gr/s 16,92-15,01 19,84-17,98 17,45-10,24 19,54-13,64 21,93-13,17
Fume exhaustion pipe
Diameter mm 130 140 - - -
Fume exhaustion and air suction concentric pipe
Diameter mm - - 60-100 60-100 60-100
Max lenght m - - 3,40 3,40 2,00
Loss for a 90°/45° bend m - - 0,85/0,5 0,85/0,5 0,85/0,5
Hole in wall (diameter) mm - - 105 105 105
Diameter mm - - 80-125 80-125 80-125
Max lenght m - - 7,6 7,6 4,2
Loss for a 90°/45° bend m - - 2,2/1,35 2,2/1,35 2,2/1,35
Hole in wall (diameter) mm - - 140 140 140
Fume exhaustion and air suction separated pipe
Diameter mm - - 80 80 80
Max lenght m - - 15+15 14+14 6+6
Loss for a 90°/45° bend m - - 0,8/0,5 0,8/0,5 0,8/0,5
NOx 3 class 2 class 2 class 3 class 3 class
Emission values at maximum and minimum of gas G20 **
Maximum CO s.a. lower than p.p.m. 100 130 100 90 90
CO
2
% 6,40 6,40 6,70 6,90 7,00
NOx s.a. lower than p.p.m. 160 210 190 140 120
Δt fumes °C 113 106 133 132 116
Minimum CO s.a. lower than p.p.m. 130 90 120 100 120
CO
2
% 2,23 2,40 3,35 2,90 3,05
NOx s.a. lower than p.p.m. 100 150 140 110 100
Δt fumes °C 71 70 63 72 62
* DHW values refer to MIX C.S.I. - C.A.I. models.
** C.A.I. - R.A.I.: tested with Ø 130 (24kW), Ø 140 (28kW) - lenght 0,5m.
** MIX C.S.I. - MIX R.S.I.: tested with Ø 60-100 concentric - lenght 0,85m - water temperature 80-60°C.
C.A.I.
24kW
C.A.I.
R.A.I.
28kW
MIX C.S.I.
26kW
MIX C.S.I.
MIX R.S.I.
30kW
MIX C.S.I.
MIX R.S.I.
35kW

Beretta C.A.I. 24kW Specifications

General

Brand	Beretta
Model	C.A.I. 24kW
Category	Boiler
Language	English