5
3. PERFORMANCE DATA
unit of
measure
THERM 17 KD
THERM 17 KDZ
THERM 17 KDZ5
Rated heat input:
- natural gas
kW
16
16
16
Minimum heat input:
- natural gas
kW
3.3
3.3
3.3
Rated heat output of heating at
∆
t =
80/60°C:
- natural gas
kW
15.7
15.7
15.7
Rated heat output of heating at
∆
t =
50/30°C:
- natural gas
kW
17
17
17
Rated heat output of HSW heating:
- natural gas
kW
-
15.7
15.7
Minimum heat output at
∆
t = 50/30°C
kW
3.5
3.5
3.5
Gas screen boring:
- natural gas
mm
4.3
4.3
4.3
Gas over-pressure at the inlet of appliance:
- natural gas
mbar
20
20
20
Gas consumption:
- natural gas
m
3
.h
-1
0.35 – 1.7
0.35 – 1.7
0.35 – 1.7
Max. over-pressure of the heating system
bar
3
3
3
Min. over-pressure of the heating system
bar
0.8
0.8
0.8
Max. inlet HSW pressure
bar
-
-
6
Min. inlet HSW pressure
bar
-
-
0.5
Max. heating water temperature
o
C
80
80
80
Diameter of the coaxial venting
mm
60/100
60/100
60/100
Mean combustion product temperature
o
C
50
50
50
Combustion product flow by weight:
- natural gas
g.s
-1
2.1 – 9.8
2.1 – 9.8
2.1 – 9.8
Max.
noisiness
according
to
Czech
standard
Č
SN 01 16 03
dB
52
52
52
Boiler efficiency
%
98 - 106
98 - 106
98 – 106
Boiler NO
x
class
5
5
5
Rated supply voltage / frequency
V / Hz
230 / 50
230 / 50
230 / 50
Rated el. input
W
150
150
150
Rated el. current of the appliance's fuse
A
2
2
2
Degree of el. shielding of components
IP 41 (D)
IP 41 (D)
IP 41 (D)
Environment according to Czech standard
Č
SN 33 20 00 – 3
basic
AA5/AB5
basic
AA5/AB5
basic
AA5/AB5
Expansion vessel volume
l
7
7
7
Expansion vessel charging over-pressure
bar
1
1
1
HSW tank capacity
l
-
40 – 130
55
Maintained temperature of the HSW tank
o
C
-
65
65
Flow rate of the withdrawn HSW (D -
according to Czech standard
Č
SN EN
- natural gas
l.min
-1
-
-
14.2
HSW expansion vessel capacity
l
-
-
2
Boiler dimensions: height/width/depth
mm
800/430/325
800/430/325
800/800/425
Boiler weight
kg
45
46
67
