15
15
15
15
13
13
13
13
TECHNICAL CHARACTERI
TECHNICAL CHARACTERI
TECHNICAL CHARACTERI
TECHNICAL CHARACTERISTICS
STICS
STICS
STICS
JAKA HFD CONDENS
JAKA HFD CONDENS
JAKA HFD CONDENS
JAKA HFD CONDENS
20 HFD
20 HFD
20 HFD
20 HFD
30 HFD
30 HFD
30 HFD
30 HFD
Boiler type
-
condensing
condensing
condensing
condensing
Heating only
Rated heat output
P
rated
kW
19
30
Useful heat output
P
4
kW
19.0
28.7
Useful heat output (30%)
P
1
kW
6.1
8.5
Seasonal energy efficiency of heating
Ƞ
S
%
90
91
Useful efficiency
Ƞ
4
% (PCI)
96.55
97.96
% (PCS)
91.04
92.38
Useful efficiency (30%)
Ƞ
1
% (PCI)
103.82
103.45
% (PCS)
97.90
97.55
Auxiliary electricity consumption at full load
el
max
kW
0.226
Auxiliary electricity consumption at part load
el
min
kW
0.078
Auxiliary electricity consumption in standby mode
PSB
kW
0.001
Heat loss in standby mode
P
stby
kW
0.127
0.135
Emissions of nitrogen oxides
NOx mg/kWh
86
84
Heating temperature regulation
ºC
60 - 85
Maximum safety temperature
ºC
110
Maximum operating pressure of heating
bar
3
Heating expansion vessel capacity
Lts
8
8
Heating water volume
Lts
14
19.2
Water pressure drop
mbar
96
163
Fume temperature
ºC
69
67
Volume on fume side
m
3
0.094
0.114
Maximum fume flow
Kg/s
0.0085
0.0132
Pressure drop of the fumes
mbar
0.20
0.20
Combustion chamber length
mm
220
300
Combustion chamber type
-
wet + three exhaust ducts
Type of burner adjustment
-
ON/OFF
Electrical supply
-
~220-230 V - 50 Hz - 200 W
Gross weight
Kg
122
155