haier AD142ALEAA - Manual (Page 16)

15
Installation Manual For Indoor Unit
Each of the air sending duct and air return duct shall be fixed on the prefabricated panel of the floor
by the iron bracket.
The recommended distance between the edge of the air return duct and the wall is over 150mm.
The gradient of the condensate water pipe shall keep over 1%.
The condensate water pipe shall be thermal insulated.
When installing the ceiling Concealed type indoor unit, the air return duct must be designed and
installed (as figure shown).
Air distributary
Air return duct
Air return blind
Suspending hook
Drain pipe
Transition duct
Air out duct
Note: When connecting the long ducts, use the middle static terminals, which color is red.
The sketch map of long duct
Tie-in of air
distributary
M8 wide expansion bolt
M8 suspender screw
M8 wide lock washer
M8 screw nut
Air conditioner
Note: When connecting the short ducts, use the low static terminals, which color is white.
The distance L from the air outlet of the duct to the air outlet of the sir conditioner shall
be no more than 1 m.
The distance L from the air outlet of the duct to the air outlet of the sir conditioner shall
be no more than 5 m.
1.0m (use white motor plug)
5.0m(use red motor plug)
Ceiling
Air supply
A
Building roof of installation
Return air
Return air box Unit
There should be
no obstacles
within 1m
Unit
Return air
Return air box
Air outlet grille
Air supply