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Installation dimension:(mm)
Unit model
AD142XLERA
AD182XLERA
AD122XLERA
AD092XLERA
a
1002
538
b
483.5
483.5
c
131
131
d
1105
610
e
255
255
f
105
105
g
880
418
h
970
508
i
220
220
1.This series' indoor units are all low static pressure type(max. 20 Pa external static pressure
available ).
2.An access port must be provided during installation of indoor unit for maintenance.
15
When installing the ceiling concealed type indoor unit, a specially designed return air bellows
shall be installed, as shown in Figure 3, Figure 4.
Figure 3
Figure 4
A
Installing building roof
Ceiling
Air supply
Air outlet duct
Unit
Return air
Return air bellows
Air outlet grille
Air supply
No obstacles
within 1 m(0Pa)
Unit
Return air
Return air bellows
0.5m(0Pa)or 5m(50Pa)
Each air return and supply duct should fix to the floor precast slab by using an iron stand. Use
glue to seal the interface closely. Recommend the distance between the air return duct and the
wall is more than 150mm.
Instructions to installation
NOTE!
a
b
c
d
e
f
g
h
i