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Figure 6
4.4
Free blowing nozzled Heaters
4.4.1
Nozzle
boxes
(options 203 / 203.2)
When the unit is ordered with option 203 or
option 203.2 (nozzle boxes), the nozzle top
plate is installed on the unit. The nozzle
boxes are supplied loose and must be
installed on the top plate of the heater as
shown in fig. 7.
Each nozzle box must be correctly
positioned in order to obtain the desired air
distribution. The louvres can be adjusted. It
is forbidden to close all louvres at a time as
overheating could occur. For safety reasons
it is recommended to wear gloves & glasses
when adjusting the louvres.
Quantity of nozzle boxes & fixing screws
2 for type 100 & 150 + 4 fixing screws
3 for type 200 & 300 + 6 fixing screws
4 for type 400
→
1000 + 8 fixing screws
It is recommended to fix the nozzle boxes to the
top panel using 2 fixing screws. This will secure
the nozzle boxes particularly when applied on
Figure 7 : Nozzle box