GMV DC Inverter VRF
33
(3) According to the size of the unit and steel plate ventilation pipe, prepare suitable canvas
casing, tin foil paper, steel strip and self-tapping screws, and prepare tools such as electric
drill, screwdriver, etc.
3.5.2 Ventilation Pipe Installation
When the effective area of the air inlet is less than 70% of the total inlet area of all outdoor unit, it
needs to add an induced draft fan. The total air volume of the induced draft fan is not less than 80% of
the total intake air volume.
NOTE!
In the following table, “1” indicates the steel plate ventilation pipe, “2” indicates the outdoor unit,
“3”indicates the top cover assembly, “4” indicates the canvas casing and “5” indicates the steel bar.
The specific operations are as below:
Step 1
①
Select installation
position for the outdoor
unit and then fix it well;
②
Determine the
installation position of
the ventilation pipe
according to the
position of the outdoor
unit;
③
Refer to the left figure
to complete the
fabrication and
installation of the
ventilation pipe.
①
Ventilation pipe
material: steel plate
or iron sheet;
②
Ventilation pipe
should be purchased
by the user.
Step 2
①
Remove the
self-tapping screws
around the top cover
assembly with
screwdriver and then
remove the top cover
assembly.
②
the top of the top cover
assembly.
The top cover grille
must be removed;
otherwise it will affect
the air volume and the
operation effect.
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