haier AU142AFBIA - Manual (Page 18)

17
INSTALLATION MANUAL FOR INDOOR UNIT
(4) Preparation for suspending the unit
22
990
100
55 225
123
1024
452
225
Standard pressure 0 Pa , Middle pressure 50Pa
1.0m (use white motor plug)
5.0m(use red motor plug)
The distance between the air outlet of duct and the air outlet of air conditioner should be no more than
1.0m(use white motor plug);
The distance between the air outlet of duct and the air outlet of air conditioner should be no more than
5.0m(use red motor plug).
When install the duct hidden type indoor unit, the return air box must be designed and installed, as
Figure3, Figure4.
The distance between the air outlet of duct and the air outlet of air conditioner should be no more than
1m.
(a) Figure of installation dimension: (unit: mm)
There should be
no obstacles
within 1m
Unit
Return air
Return air box
Air outlet grille
(Figure 3)
Ceiling
Air supply
A
Building roof of installation
Air supply
Return air
Return air box
Unit
(Figure 4)