Instructions to installation
2. Installation of air return duct
Use rivets to connect the air return duct to the air return inlet of the indoor unit. The other end connects to the air return shutter. as shown in Fig.2.
air return | air return |
|
shutter | duct | indoor unit |
|
|
rivet
Fig2: Duct return connected
3. Air duct insulation
Insulation layer is needed for air supply and return duct. First, paste a glue nail to the air duct, and then attach the insulation cotton that has a tinfoil layer and use the glue nail cover to fix. Finally, seal the air duct interface with tinfoil adhesive tape closely. as shown in Fig3.
galvanized | insulating | glue nail cover | adhesive tape | |
board | fabric | |||
tinfoil |
|
glue nail
Fig3
Installing the suspension screw
Use M8 or M10 suspension screws (4, prepared in the field) (when the suspension screw height exceeds 0.9 m, M10 size is the only choice). These screws shall be installed as follows with space adapting to air conditioner overall dimensions according to the original building structures.
Wooden structure
A square wood shall be supported by the beams and then set the suspension screws.
Square wood | Beam |
Suspension |
|
screw |
|
New concrete slab
To set with embedded parts, foundation bolts etc.
|
| Iron reinforcement |
|
| Foundation bolt |
Knife embedded part | Guide plate embedded part | Pipe suspension foundation bolt |
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