Haier AD422BMBAA manual Connection of air suction and discharging duct, Installation procedure

Models: AD422BMBAA

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7. Connection of air suction and discharging duct
Special air discharging nozzle (locally bought)

Installation procedure

Install indoor unit

Insert into the water supplying pipe 20mm~30mm (insert the drain hose toward bottom)

 

 

 

Pour water into the

 

 

Install the drain hose clamp

protruding connector

 

Main unit

Drain hose

 

Remove the rubber

 

 

 

stopper, after

 

 

 

finishing installation,

Check the condition of drainage

 

it must be reinstalled

through the transparent hose base

 

Before finishing the wiring work, install a protruding connector on the drain hose to provide a water in hole. Then, if there is water leaks from the pipe system, perform check. Finally, the water flow through the drain hose should normally pass.

6. Installation of air suction and discharging duct

Please consult the after-sales service worker of Haier Air Conditioner for the choosing and installation

of suction inlet, suction duct, di- scharging outlet and discharging duct. Calculating the design dra- wing and outer static pressure, and choose the discharging duct with proper length and shape.

Main unit of air conditioner

The surface

Insulator

 

 

 

of ceiling

 

Special air in nozzle

 

Checking hole

(locally bought)

 

 

attached with air filter

 

Air discharging

Air in pipe

 

pipe (locally bought)

(locally bought)

The length difference among

Incorrect

Incorrect

Correct

every duct is limited below 2:1.

 

 

 

Reduce the length of duct as possible as can.

 

 

 

Reduce the amount of bend as possible as can.

 

 

 

Manual background Use heat insulation material to bind and seal the part connecting main unit and the flare part of air discharging duct. Perform duct installation work, before the fitment of ceiling.

7. Connection of air suction and discharging duct

(a)Absorb of fresh air (single air supplying) (b)Air discharging

Use side air absorbing nozzle or absorb from the air in pipe

Use side air discharging nozzle (do use together with air absorbing)

Connection pipe side

Side air absorbing

side

 

Connection pipe

Absorb from the air in pipe

Air discharging nozzle

Do not use this nozzle for air in

Absorb from the air in pipe

(c) Perform thermal insulation to the duct to prevent from frosting

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Haier AD422BMBAA manual Connection of air suction and discharging duct, Installation procedure, Install indoor unit