Desa BG Series Technical Information, Installation And Operating Instructions page 141

On models type 1÷4 the plenum is already fitted on the
heater.
For transport reasons and/or for stacking, on models type
5÷7 the distribution plenum is supplied with the heater
but completely dismantled.
For assembly and installation, proceed as follows:
•
After positioning the heater at the area selected for
installation, remove the bubble wrap layer.
•
Remove the supports (1).
•
Dismantle the grille panel and take out from the
fan space the lateral distribution elements of the
plenum.
•
Refit the grille panel.
•
Proceed to assemble the angular support panels
(2) using the self-threading screws supplied with
the heater.
•
Fasten the diffusion elements (3) using, again, the
self-threading screws provided.
•
Position the assembled plenum on top of the warm
air heater, making sure that the hole for the double
thermostat, at the top of the plenum, is turned
towards the front of the heater (the face where the
burner carrier plate and the control panel are
located).
•
Fasten the plenum to the heater using the
selfthreading screws provided.
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3
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3