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Installation Manual For Indoor Unit - Haier AD142AMBAC Instruction Manual

Duct type air conditioner
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INSTALLATION MANUAL FOR INDOOR UNIT

(7) Installation work for air outlet ducts
Ceiling surface
B Special blowout
Calculate the draft and external static pressure and select the length, shape and blowout.
Blowout duct
A
2-spot, 3-spot and 4-spot with
number of spots based on following table.
Note (1) Shield the central blowout hole for 2-spot.
(2) Shield the blowout hole around the center for 3-spot.
Limit the difference in length between spots at less than 2:1.
Reduce the length of duct as much as possible.
Reduce the number of bends as much as possible. (Corner R should be as larger as possible.)
Use a band. etc. to connect the main unit and the blowout duct flange.
Conduct the duct installation work before finishing the ceiling.
(8) Connection of suction, exhaust ducts
(a) Duct connection position
i) Fresh air inlet
Inlet can be selected from the side or rear faces depending on the working conditions.
Use the rear fresh air inlet when the simultaneous intake and exhaust is conducted. (Side inlet
cannot be used.)
ii) Exhaust (Make sure to use also the suction.)
Use the side exhaust port.
Air conditioner main unit
Heat
insulation
A Blowout duct
(Optional or marketed item)
(Option)
200 type duct are the standard specifications. Determine the
Fig.1
inlet duct
(optional or
Suction panel
marketat item)
(Silent panel)
C
special inlet (option)
(with air filter)
Hole for check
Bad example
Bad example
State seeing from top of unit
Side fresh air inlet
Rear fresh air inlet
31
Good example
Exhaust hole
Fig.2

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