3.3
Technical information UltraGas
®
(250D-700D)
Type
(250D)
(300D)
(400D)
(500D)
(600D)
(700D)
• Nominal output 80/60 °C with natural gas
1
kW
25-228
25-278
39-370
44-462
51-556
51-648
• Nominal output 40/30 °C with natural gas
1
kW
28-250
28-300
44-400
49-500
57-600
58-700
• Nominal output 80/60 °C with propane
3
kW
31-226
35-276
63-370
78-454
80-546
95-636
• Nominal output 40/30 °C with propane
3
kW
34-250
39-300
70-400
87-500
91-600
109-700
• Nominal load with natural gas
1
kW
26-232
26-282
40-376
45-470
52-566
53-660
• Nominal load with propane
3
kW
32-232
36-282
65-376
80-470
84-566
100-660
• Working pressure heating maximum/minimum
bar
5.0/1.0
5.0/1.0
5.0/1.0
5.0/1.0
5.0/1.0
6.0/1.0
• Working temperature maximum
°C
90
90
90
90
90
90
• Boiler water content
l
412
388
719
682
636
857
•
Minimum water flow
l/h
0
0
0
0
0
0
• Boiler weight (without water content, incl. casing)
kg
766
818
1268
1344
1448
1730
•
Boiler
efficiency
at
full
load
at
80/60 °C
(related to net/gross calorific value)
%
97.9/88.2 97.8/88.1 97.9/88.2 97.9/88.2 98.0/88.3 98.2/88.5
•
Boiler efficiency at partial load 30% (according to EN 303)
(related to net/gross calorific value)
%
108.1/97.4 108.0/97.3 108.1/97.4 108.1/97.4 108.0/97.3 108.0/97.3
•
Standard efficiency (according to DIN 4702 part 8) 40/30 °C
%
109.6/98.7 109.6/98.7 109.7/98.8 109.7/98.8 109.7/98.8 109.8/98.9
(related to net/gross calorific value)
75/60 °C
%
107.1/96.5 107.1/96.5 107.2/96.6 107.2/96.6 107.2/96.6 107.3/96.7
• Stand-by loss at 70 °C
Watt
960
960
1060
1060
1060
1500
• Standard emission rate
Nitrogen oxides
mg/kWh
26
29
39
38
38
41
Carbon monoxide
mg/kWh
3
4
4
4
9
10
• Content of CO
2
in the exhaust gas maximum/minimum output %
9.0/8.8
9.0/8.8
9.0/8.8
9.0/8.8
9.0/8.8
9.0/8.8
• Dimensions
see table of dimensions
• Connections
Flow/return
DN
DN 80/
PN 6
DN 80/
PN 6
DN 80/
PN 6
DN 80/
PN 6
DN 80/
PN 6
DN 125/
PN 6
Gas
inches
1″
1″
1½″
1½″
1½″
1½″
Flue gas Ø inside
mm
254
254
306
306
306
356
•
Gas flow pressure minimum/maximum
Natural gas E/LL
mbar
18-80
18-80
18-80
18-80
18-80
18-80
Propane
mbar
37-57
37-57
37-57
37-57
37-57
37-57
• Gas connection value at 0 °C/1013 mbar:
Natural gas E (Wo = 15.0 kWh/m
3
) H
u
= 9.97 kWh/m
3
m
3
/h
23.1
28.2
37.6
47.0
56.6
65.2
Natural gas LL (Wo = 12.4 kWh/m
3
) H
u
= 8.57 kWh/m
3
m
3
/h
27.0
32.9
43.9
54.8
66
76.1
Propane (H
u
= 32.7 kWh/m
3
)
m
3
/h
8.9
10.9
14.5
18.1
21.9
25.2
• Operation voltage
V/Hz
230/50
230/50
230/50
230/50
230/50
230/50
• Control voltage
V/Hz
24/50
24/50
24/50
24/50
24/50
24/50
• Minimum/maximum electrical power consumption
Watt
44/336
44/494
44/286
44/448
46/690
49/660
• Stand-by
Watt
18
18
18
18
18
18
• IP rating (integral protection)
IP
20
20
20
20
20
20
• Sound power level
- Heating noise (EN 15036 part 1) (room air dependent)
dB(A)
72
75
69
72
75
77
- Exhaust noise is radiated from the mouth
(DIN 45635 part 47)
(room air dependent/room air independent
dB(A)
68
70
65
68
69
74
• Sound pressure level heating noise
(depending on installation conditions)
2
dB(A)
62
65
59
62
65
67
• Condensate quantity (natural gas ) at 40/30 °C
l/h
21.7
26.5
35.3
44.2
53.2
61.3
• pH value of the condensate
pH
approx. 4.2 approx. 4.2 approx. 4.2 approx. 4.2 approx. 4.2 approx. 4.2
• Flue gas system: requirements, values
Temperature class
T120
T120
T120
T120
T120
T120
Flue gas mass flow
kg/h
383
468
624
780
940
1082
Flue gas temperature at nominal output and operation 80/60 °C °C
69
71
69
70
71
69
Flue gas temperature at nominal output and operation 40/30 °C °C
48
49
48
49
49
46
Volume flow rate combustion air
Nm
3
/h
286
349
465
582
701
807
Feed pressure
total at the combustion air/flue gas pipe
Pa
60
60
60
60
60
60
Maximum draught/depression at flue gas outlet
Pa
-50
-50
-50
-50
-50
-50
1
Data related to H
u
.
The boiler series is tested for EE/H-settings. With a factory setting of the Wobbe coefficient of 15.0 kWh/m
3
opera-
tion at a Wobbe coefficient of 12.0 up to 15.7 kWh/m
3
is possible without new settings.
2
See also notes at “Engineering”.
3
Data related to H
u
. UltraGas
®
(250D-700D) can also be operated with propane.
•
Boiler flow resistance see diagrams
.
9
4 212 305 / 00
TECHNICAL INFORMATION
