Haier AS072XVERA Service Manual Download

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I. If you want to change the address, please repeat the above steps from E to G.

J. After setting all the addresses, please power off the system and then power on again. Otherwise the

system will not start to work.

K. Once the addresses are successfully set, please do not change it any more to avoid confusion.

3. Address setting procedure when using the DIP switches SW01 and SW02.

A. The DIP switches SW01 and SW02 are on the indoor unit PCB.

B. Before carrying out the address setting work, the system must be powered off.

C. Take off the front panal and the filters, then take off the flaps and also the front cover,disconnect the

swing motor connectors from the PCB and then take out the lower part of the PCB.

D. Change the position of DIP 1 of SW01 from OFF to ON, if fail to do this, the addresses set by SW02

will not work.

E. Use SW02 to set the addresses as following(DO NOT CHANGE OTHER DIP SWITCHES):

10.Installation check and trial operation

Check the Layout of the Drain Pipe and Connection Wires, and also the piping and address setting.

The drain pipe should be placed underneath, and the connection wires should be placed upside;

and the drain pipe especially the section inside the machine and indoors must be wound up with

insulating material to preserve heat. The drain pipe shall be sloped and no concave and convex

shall occur along the whole pipe. And the cases as the right figure indicates shall not occur.

10.1 Installation check

Continuously press the emergency switch for about 15 seconds, the buzzer will sound 4 times(PI PI PI

PI) and then leave go of the switch. At this time, the indoor unit has entered the address setting procedure.

But the LCD display board is blank.

F. Use the controller to turn on the indoor unit. At this time, the controller should be changed from OFF

to ON, and then the LCD display board will display number 1. That is to say, the address setting is

enabled.

G. Press the button SLEEP on the controller, the times you press it stands for the address you want to

set, detailed as following:

Press button SLEEP one time, the address is 1, and the LCD display board shows 1;

Press button SLEEP two times, the address is 2, and the LCD display board shows 2;

Press button SLEEP three times, the address is 3, and the LCD display board shows 3;

H. Use the remote controller to turn off the unit, At this time, the controller should be changed from ON

4. How to check the addresses?

(necessary procedure)

When finish all the above works, please power off and power on again to the whole system but set all
the indoor units in STANDBY. Then continously press the emergency switch until you hear the buzzer
sound 5 times(Pi Pi Pi Pi Pi), and then the LCD display board will show the address of this indoor unit.
Press any key on the remote controller, it will exit the address checking precedure.

Is power supply voltage required?

Is water completely drained to outdoors?

Are power wire and connection wires between indoor and outdoor units correctly connected?

Is any gas leaked from the pipe connectors?

Are series numbers of the terminals on the indoor and outdoor units corresponding to each other?

Is the connection section of the auxiliary pipe insulated? Is the indoor unit fixed firmly?

Is noise big?

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ON
OFF

SW01

SW02

1 2 3 4 5 6 7 8