PART II: INSTALLATION
17
MOUNTING AND CONNECTING THE BURNER
Transport and storage
If the product must be stored, avoid humid and corrosive places. Observe the temperatures stated in the burner data table at the begin-
ning of this manual. The packages containing the burners must be locked inside the means of transport in such a way as to guarantee
the absence of dangerous movements and avoid any possible damage.
In case of storage, the burners must be stored inside their packaging, in storerooms protected from the weather. Avoid humid or corro-
sive places and respect the temperatures indicated in the burner data table at the beginning of this manual.
Packing
The burners are despatched in wooden crates whose dimensions are:
series:
1.734 mm x 1.440 mm x 1.140 mm (L x P x H)
Packing cases of this type are affected by humidity and are not suitable for stacking.
The following are placed in each packing case:
burner with detached gas train;
gasket or ceramic fibre plait (according to burner type) to be inserted between the burner
and the boiler;
envelope containing this manual and other documents.
To get rid of the burner’s packing, follow the procedures laid down by current laws on disposal
of materials.
Combustion head gas pressure curves
Combustion head gas pressure depends on gas flow and combustion chamber backpressure. When backpressure is subtracted, i
depends only on gas flow, provided combustion is properly adjusted, flue gases residual O2 percentage complies with “Recommended
combustion values” table and CO in the standard limits). During this stage, the combustion head, the gas butterfly valve and the
actuator are at the maximum opening. Refer to , showing the correct way to measure the gas pressure, considering the values o
pressure in combustion chamber, surveyed by means of the pressure gauge or taken from the boiler’s Technical specifications.
.
Measuring gas pressure in the combustion head
In order to measure the pressure in the combustion head, insert the pressure gauge probes: one into the combustion chamber’s
pressure outlet to get the pressure in the combustion chamber and the other one into the butterfly valve’s pressure outlet of the burner.
On the basis of the measured differential pressure, it is possible to get the maximum flow rate: in the pressure - rate curves (showed on
the next paragraph), it is easy to find out the burner’s output in Stm
3
/h (quoted on the x axis) from the pressure measured in the
combustion head (quoted on the y axis). The data obtained must be considered when adjusting the gas flow rate.
1
2
4
3
Note: the figure is indicative only.
Key
1 Generator
2 Pressure outlet on the combustion chamber
3 Gas pressure outlet on the butterfly valve
4 Differential pressure gauge
Fig. 4
ATTENTION: THE BURNED GAS RATE MUST BE
READ AT THE GAS FLOW METER. WHEN IT IS NOT
POSSIBLE, THE USER CAN REFERS TO THE
PRESSURE-RATE CURVES AS GENERAL
INFORMATION ONLY.
PART II: INSTALLATION
H
P
L
Содержание TLX92R
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Страница 68: ...Note Specifications and data subject to change Errors and omissions excepted...