Static Pressure Ventilation Pipe Installation - Gree GMV-224WM/G-U Owner's Manual

3.5 Static Pressure Ventilation Pipe Installation

Refer to this section when a static pressure ventilation duct should be installed for
the unit.
3.5.1 Preparation of Static Pressure Ventilation Pipe Installation
(1) Install the outdoor unit well.
(2) The steel plate ventilation pipe is designed according to the unit and engineering
requirements, and is installed well in accordance with the engineering regulations.
(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.
NOTICE! In the following table, "①" indicates the steel plate ventilation pipe, "②" indicates the
outdoor unit, "③"indicates the top cover grille, "④" indicates the canvas casing and "⑤" indicates the
steel bar.
The specific operations are as below:
Step
Step 1
Step 2
Photo
31
Operation instruction
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.
Remove the grille on
the top of the top cover
assembly.
GMV DC Inverter VRF
Note
1) Ventilation pipe
material: steel plate
or iron sheet;
2) Ventilation pipe
should be purchased
by the user.
The top cover grille
must be removed;
otherwise it will affect
the air volume and the
operation effect.