Sanyo KH2442 / CH2442 User Manual download pdf (Page 181)

SM830082

IV - 25

SM830082

Section

4. Service procedures

Never press (clear) button unless you want to erase the accessed data in memory. Follow

the procedure below only when erasing is necessary.

❏ To erase accessed data, press the button.

❏ When erasing is finished,“----” mark appears on the controller’s display.

After checking the alarm messages, be sure to press the button.

Important

CAUTION

c Select R.C. No. which you want to execute the auto. address operation with

button.

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

flashing to ON state.

e If an error occurs during operation, the alarm message will be displayed. Check and re-

move the cause. If you want to stop the operation, press the button then the unit

stands in waiting mode (Press the button again.)

f If the automatic address operation finishes, the display will disappear.

g Execute the operation of the other R.C. line in the same way by following the above steps

c to d .

(E) Execute the auto. address operation

❏ Auto. address operation is executed by pressing the A. ADD (S1) button of out-

door unit’s PCB usually.

For your convenience it can be executed by remote controller also.

a Press the and ( ) buttons at the same time for more than 4 seconds. (Fig. IV-7)

b Set CODE No. A1 with , ( ) button.

In this mode, the auto. address

operation is executed at each R.C.

(Refrigerant Circuit) line one by one.

1931_M_I

d c

Fig. IV-7

1 2 ... 176 177 178 179 180 181 182 183 184 185 186 ... 201 202

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Sanyo KH2442 / CH2442 User Manual Page 181