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TECHnICaL InFORMaTIOn
3.2
Technical data
3.2.1 Max-3 condens (3000-5000) for natural gas H
Type
(3000)
(4000)
(5000)
Fuel
Natural gas H
Natural gas H
Natural gas H
• Nominal heat output at 80/60 °C
kW
3750
5006
6285
• Nominal heat output at 80/30 °C
kW
3951
5283
6636
• Heat output range at 80/60 °C
kW
7683750
9765006
11856285
• Heat output range at 80/30 °C
kW
8323951
10635283
12966636
• Combustion performance
kW
7923942
10055256
12206615
• Boiler operating temperature max.
2)
°C
105
105
105
• Boiler operating temperature min.
°C
see table of operating conditions (below)
• Boiler return temperature min.
(directly in the boiler after the flue gas heat exchanger)
°C
see table of operating conditions (below)
• Safety temperature limiter setting (water side)
3)
°C
120
120
120
• Operating/test pressure
bar
6/9.6
6/9.6
10/16
• Operating/test pressure (optional)
bar
10/16
10/16
•
Boiler efficiency at 80/60 °C in full-load operation
(related to net calorific value NCV / gross calorific value GCV)
%
95.1/85.7
95.3/85.8
95.0/85.6
•
Boiler efficiency at 80/30 °C in full-load operation
(related to net calorific value NCV / gross calorific value GCV)
%
100.2/90.3
100.5/90.6
100.3/90.4
•
Boiler efficiency at 30 % partial load (EN 303)
(related to net calorific value NCV / gross calorific value GCV)
%
107.9/97.2
106.7/96.1
107.5/96.8
•
Nominal efficiency at 75/60 °C (DIN 4702-8)
(related to net calorific value NCV / gross calorific value GCV)
%
106.9/96.3
106.4/95.9
107.3/96.7
• Standby losses qB at 70 °C
Watts
2125
2349
2566
• Flue gas temperature at nominal output 80/60 °C
°C
128
126
132
• Combustion gas resistance at nominal output (natural gas H, 10.5 % CO
2
),
500 m above sea level (tolerance ± 20 %)
mbar
16.5
17.2
16.4
•
Flue gas mass flow at nominal output
(natural gas H, 10.5 % CO
2
)
kg/h
5820
7760
9767
• Flow resistance boiler
1)
zvalue
0.001
0.001
0.0004
•
Flue gas heat exchanger flow resistance
zvalue
0.008
0.011
0.014
•
Boiler water flow rate at 10 K
m³/h
321
429
539
•
Boiler water flow rate at 20 K
m³/h
161
215
269
•
Minimum flue gas heat exchanger flow rate at 60 °C return flow temperature
m³/h
3.2
4.4
6.1
•
Minimum flue gas heat exchanger flow rate at 30 °C return flow temperature
m³/h
4.3
5.9
7.8
•
Boiler water capacity (incl. flue gas heat exchanger)
Litre
6452
7172
7886
•
Insulation thickness of boiler body and flue gas heat exchanger
mm
100
100
100
• Weight (incl. casing)
At operating / test pressure 6/9.6 bar
kg
7356
8714
At operating / test pressure 10/16 bar
kg
8489
10012
12038
• Combustion chamber internal dimensions
mm
900
990
1070
• Combustion chamber length (with extension into the reversing chamber,
half the length of the reversing chamber)
3436
3756
4006
• Combustion chamber volume
m³
2.186
2.891
3.602
• Dimensions
See dimensional drawing
•
Draught/underpressure at flue gas outlet max.
Pa
50
50
50
1)
Flow resistance boiler in mbar = flow rate (m
3
/h)
2
x z
2)
Limited by the boiler controller E13.4 TopTronic
®
E and T2.2 to 90 °C or by E13.5 TopTronic
®
E and T0.2 to 105 °C.
3)
Max. safety temperature for boiler controller E13.4 TopTronic
®
E and T2.2: 110 °C or E13.5 TopTronic
®
E and T0.2: 120 °C.
Operating conditions:
Fuel
EL low-sulphur fuel oil
Natural gas H
Boiler operating temperature min.
°C
65
75
Boiler return temperature min.
1)
°C
55
65
Return temperature control
1)
Yes
Yes
1)
Before entering boiler return
Содержание 2-Max-3 condens
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