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The trademark of our direct-fired ventilation systems
- Economical: The produced heat is directly emitted into the surrounding without involving steam or warm water. Cost-intensive provision energy is not necessary. It is impossible for the devices to freeze up.
- Comfortable: Depending on individual needs, the devices can be run with fresh air, mixed air or circulating air. Regulations to be adapted individually are available to our customers.
- Variable: The devices can be installed in a recumbent, upright or hanging position. Doing so, it is possible to either ensure a direct puff-out or to attach a canal system for all kinds of air. Moreover, the attachment of additional accessory parts such as louver dampers or filters etc. is no problem.
- Reliable: Perfected engineering, high-quality materials and solid workmanship ensure reliable operating and a long service life. Continuous improvement and development of our devices make them a reliable and durable system.
- Heater battery: The core of every device is a novelty at the latest state of the art. The combustion chamber is made out of high-heat resistant stainless steel. The tubular heat exchanger is built in the unit construction system and can be separated from the combustion chamber via a flanged joint. Special versions for condensing operation are possible. It has to be cleaned with an ordinary circular boiler brush.
Efficiency in % Max. gas input in m³/h Max oil input in kg/h Weight in kg
|
Type
|
Heat
output
in kW
|
Hot air
output
in m³/h
|
Efficiency
in %
|
Max. gas
input
in m³/h
|
Max oil
input
in kg/h
|
Weight
kg
|
|
NL-A 25
|
20
|
2.000
|
92,4
|
2,5
|
1,9
|
110
|
|
NL-A 40
|
35
|
3.000
|
92,1
|
3,9
|
2,9
|
110
|
|
NL-A 55
|
50
|
4.000
|
93,1
|
6,5
|
4,7
|
190
|
|
NL-A 70
|
65
|
5.200
|
92,1
|
8,5
|
6,3
|
190
|
|
NL-A 90
|
85
|
6.800
|
92,6
|
8,8
|
7,8
|
295
|
|
NL-A 105
|
100
|
8.000
|
92,0
|
9,6
|
9,1
|
300
|
|
NL-A 130
|
120
|
9.200
|
92,7
|
12,4
|
10,8
|
399
|
|
NL-A 170
|
150
|
11.800
|
92,0
|
15,7
|
13,7
|
405
|
|
NL-A 200
|
180
|
13.800
|
92,6
|
18,6
|
16,3
|
495
|
|
NL-A 250
|
230
|
18.400
|
92,1
|
24,0
|
21,0
|
503
|
|
NL-A 290
|
260
|
20.600
|
92,7
|
26,9
|
23,5
|
662
|
|
NL-A 340
|
300
|
23.400
|
91,8
|
31,3
|
27,3
|
689
|
|
NL-A 430
|
390
|
29.500
|
92,9
|
40,7
|
35,5
|
1.004
|
|
NL-A 500
|
450
|
35.000
|
92,7
|
47,0
|
41,1
|
1.015
|
|
NL-A 550
|
500
|
37.500
|
92,0
|
57,5
|
50,3
|
1.185
|
|
NL-A 600
|
550
|
42.600
|
91,7
|
62,7
|
54,8
|
1.196
|
|
NL-A 660
|
600
|
48.300
|
91,5
|
68,9
|
60,2
|
1.248
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