Configuration - Hitachi PC-ARF Technical Catalogue

8 Control support devices
PC-A1IO

8.3.3.3 Configuration


Factory Setting
Name Function
SW1 Not available
SW2 Reset
SW3
Not available
(TELE)
SW4 Not available
SW5 Not available
SW6 Not available
SW7 Options 2
Options 1
SW8
(Application type)
SW9 Indoor unit address
SW10 Outdoor unit address
SW11 H-LINK DSW
D4, D11 H-LINK
D7 Power
D9, D10
Not used
D12, D13

Configuration options
SW7 – MASTER / SLAVE configuration
SW7
Configuration as MASTER PC-A1IO: SW7-1=ON. All the rest of the pins are set to OFF
Only one PC-A1IO can be set as a Master PC-A1IO
Configuration as SLAVE PC-A1IO : All SW7 pins are set to OFF
Only one PC-A1IO can be set as a MASTER PC-A1IO. All the rest of PC-A1IO uni ts must be configured
as SLAVE
SW8 – PARAMETERS configuration
SW8
Configuration of parameters as normal Air-Conditioner I.U.: All SW8 pins to OFF
Other configurations are not available
724
TCGB0106 rev.0 - 12/2014
Factory setting
–
– Reset button. To be used in case of program has been locked
Factory purposes. Never change it
– –
– –
– –
SW7-1: OFF=SLAVE / ON=MASTER.
SW7-2~8: Not used
0 (All OFF): A.C I.U. Parameters
1~255 (Other configurations): Not available
Same concept than Hitachi I.U. address
Each PC-A1IO must use free I.U. and O.U. address
In case of several PC-A1IO, thay can use the same O.U. address, fol-
lowing same limitations than I.U. (64 I.U./O.U.).
These addresses must be free (not used by any other O.U.)
2-Pins DSW
SW11-1: H-LINK end resistance
SW11-2: Not used
– H-LINK transmission
– Power supply ON/OFF
– –
Description
Description
Description