Sanyo TH4242 / CH4242, XH3642 / CH3642, XH4242 / CH4242 Automatic Address Setting Method

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(7) Automatic Address Setting Method

—For group control and central control with multiple outdoor units —

Carry out automatic address setting with the remote controller.

(1)All auto. address operation

1 Press the and ( ) buttons at the same time for more than 4 seconds.

2Press the button after confirming the CODE No. AA (CODE No. AA: All Auto.

address operation).

After addresses are automatically set in order for the outdoor units from No. 1 to No. 30, the system returns to the normal stopped state.

(2)Individual auto. address operation for each refrigerant circuit

1 To select each refrigerant circuit individually

and set addresses automatically, press the

and ( ) buttons at the same time for more than 4 seconds, then press

the , ( ) button once to set CODE No. A1.

(CODE No. A1: Auto. address operation)

2Select R.C. No. which you want to execute

the auto. address operation with button.

3Press the button. The auto. address operation will start. CODE No. changes from

flashing to ON state.

4If the error is happened during the operation, the alarm message will display. Check and

remove the cause. If you want to interrupt

the operation, press the button then the unit stands in waiting mode (Press the button).

5If the auto. address operation finishes, the display will disappear.

6Execute the operation of the other R.C. line in the same way by following the above steps 2 to 3.

7Complete the auto. address operation by

pressing the button.

NOTE

Required time for auto. address operation:

In case of group control : a few minutes for each R.C.

In case of central control : max. about 20 min. for each R.C.

4.Service procedures

(8)Displaying Indoor / Outdoor Unit Com- bination Numbers

Display the indoor / outdoor unit address after auto- matic address setting.

(1)When installing multiple units, match the indoor unit address numbers and the outdoor R.C. address numbers and display them at an easy-to- check location (near the nameplate) with an oil- based magic marker or other indelible marker so that the individual indoor and outdoor unit combi- nations can be checked.

Example:

Outdoor Unit 1 – Indoor Units 1-1, 1-2, 1-3, ....

Outdoor Unit 2 – Indoor Units 2-1, 2-2, 2-3, ....

(2)This is necessary for maintenance. Always label these.

*Check indoor unit address with the remote

controller. Press the button for at least 4 seconds and check the indoor unit address with

the button. (Each time you press the button, the address changes 1-1, 1-2, ...

2-1, 2-2, ...) The fan for only the selected indoor unit turns on at high speed, so check which indoor unit runs and label the indoor unit address. (If there is 1 outdoor unit, the addresses are 1-1, 1-2, ...)

When you press the button again, the system returns to normal remote control mode.

SM830082

IV - 38