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INSTALLATION
4.4.1 resistance Max-3 plus (420-2700)
•
and screws. On installing, comply with the guidelines
and instructions for mounting the burner to the heat
producer.
Burner matching
The boiler will normally be supplied by Hoval complete
with a burner which is CE marked and is CE approved
-
ternative burner, to comply with CE Directives, the boiler
must only be used with a burner having CE marking in
accordance with Directive 90/396/EEC and Standard EN
676 (Gas) or EN 267 (Oil). The fuel suppy requirements
will be stated on the burner data plate.
The burner CE approval must also be based on a test in
a test tank having dimensions no larger than the relevant
boiler combustion chamber dimensions.
Please consult Hoval Technical Department for further in-
formation, if required.
• Sealing of the burner draught tube
A small annular space is necessary around the burner
draught tube in the door refractory to allow the burner
to be withdrawn. Seal this gap with the ceramic strip
supplied.
• With gas and dual-fuel burners, the burner housing
Noise damping
- Gas pipelines are to be installed so that no vibrations
can be transferred to the building.
- The burner can be covered with an acoustic hood.
- It is recommended to incorporate a noise damper
Combustion chamber
0
1
2
3
4
5
6
7
8
9
10
11
12
13
100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 2600 2700 2800 2900 3000
Combustion chamber resistance (mbar)
output (kW)
kW = Boiler output
mbar = Flue gas resistance λ=1.11 (Natural gas: CO
2
= 10.8%)
500 m above sea level (Tolerance: +/- 20%)
420
1250
1000
750
620
530
2700
2200
18000
1500
Boiler
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