haier AD422BMBAA - Manual (Page 26)

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(a)Absorb of fresh air (single air supplying)
Use side air absorbing nozzle or
absorb from the air in pipe
(b)Air discharging
Use side air discharging nozzle
(do use together with air absorbing)
Connection pipe side
Absorb from the air in pipe
Side air absorbing
Connection pipe side
Absorb from the air in pipe
Do not use this nozzle for air in
Air discharging nozzle
(c) Perform thermal insulation to the duct to prevent from frosting
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.
The length difference among
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.
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.
Installation procedure
Install indoor unit
Remove the rubber
stopper, after
finishing installation,
it must be reinstalled
Insert into the water supplying pipe 20mm~30mm
(insert the drain hose toward bottom)
Main unit
Install the drain hose clamp
Drain hose
Check the condition of drainage
through the transparent hose base
Pour water into the
protruding connector
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
Correct Incorrect Incorrect
Special air in nozzle
(locally bought)
attached with air filter
Special air discharging
nozzle (locally bought)
Air discharging
pipe (locally bought)
Main unit of air conditioner
The surface
of ceiling
Insulator
Checking hole
Air in pipe
(locally bought)
7. Connection of air suction and discharging duct