Midea MI2-28Q4DHN1 Installation And Operation Manual page 10

No gap allowed
1. First loosen the nut
2. Adjust the nut
Figure 3.19
3.3.4 First hang the air inlet grille on the panel, and then connect
the leads of the swing motor and display box to the
corresponding connections on the unit body respectively.
3.3.5 Reinstall the air inlet grille by performing the steps used to
remove the air inlet grille in the reverse order.
3.3.6 Reinstall the installation cover.
(1) Secure the installation cover rope onto the bolt on the installation
cover with screws. See Figure 3.20.
Installation cover rope
Self tapping screw
(2) Gently press the installation cover into the panel. See Figure 3.21.
3.4. Air Duct Installation
The treated air can be discharged to the adjacent rooms through the
air ducts.
See Figure 3.22 for the schematic on the installation dimensions of
the air ducts.
Figure 3.18
Bolt
Figure 3.20
During the cover installation,
slide four fasteners into the
corresponding slots on the panel.
Figure 3.21
58
Distribution duct
Φ75
D
Distribution duct
B
C
Size (mm) 2.8~8.0kW models 9.0~14.0kW models
A
B
C
D
E
F
See Figure 3.23 for the schematic on the air duct installation.
 If only one air duct is connected:
The air volume in the air duct for the 5.6~8.0 kW model is about
300~360 m /h.
3
The air volume in the air duct for the 9.0~14.0 kW models is about
400~640 m /h.
3
Length of the air duct should not exceed 2 m.
 If two air ducts are connected:
The air volume in the air duct for the 5.6~8.0 kW model is about
200~260 m /h.
3
The air volume in the air duct for the 9.0~14.0 kW models is about
300~500 m /h.
3
Length of each air duct should not exceed 1.5 m.
The air outlet of the panel on the same side of the connecting air
duct must be sealed.
Caution
•
No air duct required if the unit capacity is less than 5.6 kW.
8
A
Distribution duct
Distribution duct
The side with EXV
cannot be connected
with distribution duct.
H
Fresh air
E F
A
258
Figure 3.22
350 350
85 155
107 107
126 197
121 121
145 145
Figure 3.23
B C