Hitachi PC-ART Installation Manual page 10

7. INITIALIZATION OF OPTIONAL SETTING AND INPUT/OUTPUT
The procedure for initialization of optional settings and input / output settings are as follows.
Normal mode (when unit is not operating)
1. Change to the optional setting mode
Press the "OK" switch and the "RESET" switch
simultaneously for more than 3 seconds.
2. Selection of Optional Setting Mode
"SERVICE" is indicated and the mode
number is À ashed.
4. Optional Setting and Input/Output Setting Initialization
Check to ensure there are no problems to reset
the factory settings and perform this function.
Press the "TEMP."
Æ Å
" " or " " switch,
select "07" for the
optional input / output
setting cancel mode,
and then press the
"OK" switch.
Press "OK" switch and the
initialization is performed.
It takes approximately 15 to
30 seconds.
Normal mode
In case that initialization is not required, press the "RESET" switch in step 4.
INSTALLATION MANUAL
3. Selection of Indoor Unit
"07" À ashes.

NOTES:
In case of control by using two remote controllers (Master and Slave), settings

shall be operated by the master controller.
In case of using old Indoor unit PCB, HLINK, This function is not availble,

and it displayed "NO FUNCTION".
If selecting the indoor unit address "AA", the indoor units that do not have these

initialization function cannot be restore to the factory setting.
In case of performing to initialize the other indoor units, repeat the
procedure from step 3.
In this case, the indoor unit address is completed to initialize, the
indication "CL" is displayed.
19
Select the address of the indoor unit to be
returned to the optional setting-input/output
factory settings.
Æ Å
Press the "TEMP." control or switch
and select the address of the indoor unit.
When displayed "CL", the
optional and input / output
settings are initialized.
(restore to factory settings.)