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TECHNICAL INFORMATION
3.3
Technical data UltraGas
®
(250D-700D)
Type
(250D)
(300D)
(400D)
(500D)
(600D)
(700D)
• Nominal output 80/60 °C with natural gas
1
kW
25-226
25-276
39-370
44-454
51-546
51-636
• Nominal output 40/30 °C with natural gas
1
kW
28-246
28-300
44-400
49-500
57-600
58-700
• Nominal output 80/60 °C with propane gas
3
kW
31-226
35-276
63-370
78-454
80-546
95-636
• Nominal output 40/30 °C with propane gas
3
kW
34-246
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 gas
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 partial load at 30% (according to EN 303)
(related to net / gross calorific value)
%
106,9/96,3 106,9/96,3 106,7/96,1 106,5/95,9 107,4/96,4 107,3/96,7
•
Standard efficiency
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
DN80/
PN6
DN80/
PN6
DN80/
PN6
DN80/
PN6
DN80/
PN6
DN125/
PN6
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 gas
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 gas (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
24
24
24
24
24
24
• 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
ca. 4,2
ca. 4,2
ca. 4,2
ca. 4,2
ca. 4,2
ca. 4,2
• Flue gas system: requirements, values
Temperature class
T120
T120
T120
T120
T120
T120
Volume flow rate combustion air
Nm
3
/h
286
349
465
582
701
807
Flue gas mass flow
kg/h
383
468
624
780
940
1082
Maximum flue gas temperature at nominal
output and operation 80/60°C
°C
69
71
69
70
71
69
Maximum flue gas temperature at nominal
output and operation 40/30°C
°C
48
49
48
49
49
46
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
operation 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/butane (liquid gas) mixtures.
• Boiler flow resistance see chapter 3.6
