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INSTALLATION MANUAL
7.2. TABLE B INPUT AND OUTPUT NUMBER
DISPLAY AND CONNECTORS
Input number
display
Port
Factory Setting
Setting
Input /
Output
Indication
Setting Item
Indiicaton
Input1
!"
CN3
1-2
Remote ON/
OFF 1 (level)
03
Input2
!#
CN3
2-3
Forbidding
Remote Control
after Manual
Stoppage
06
Output1
$%
CN7
1-2
Operation
01
Output2
$#
CN7
1-3
Alarm
02
Output3
$&
CN8
1-2
Thermo-ON for
Heating
06
7.3. TABLE C INPUT AND OUTPUT SETTINGS
AND DISPLAY CODES
Indication
Input
Output
00
Not set
Not set
01
Room Thermostat (for Cooling)
Operation
02
Room Thermostat (for Heating)
Alarm
03
Remote ON/OFF 1 (level)
Cooling
04
Remote ON/OFF 2 (Operation)
Thermo-ON for Cooling
05
Remote ON/OFF 2 (Stoppage)
Heating
06
Forbidding Remote Control after
Manual Stoppage
Thermo-ON for Heating
07
Remote Cooling / Heating Change
Total Heat Exchanger
NOTES:
After at least 3 minutes from the power ON, change the optional setting.
Record the setting conditions for each input and output in the “Setting”
column of the table.
8. CHANGING INDOOR UNIT ADDRESS FROM REMOTE CONTROL SWITCH
The address (unit number) of the indoor unit can be changed by using the remote
control switch (PC-ART).
NOTES:
In case of operating with two remote control switches (master and slave), the
address of the indoor units cannot be changed or checked.
The address may not be able to be changed depending on the type of indoor
unit.
Do not operate the central controller when in the address check mode or
address change mode.
a. Check the Indoor Unit for which the address to be changed.
Address of Indoor Unit to be Changed is not known (check) . . . Proceed to (2)
Address Check Mode.
Address of Indoor Unit to be Changed is known . . . Proceed to (3) Address
Change Mode.
Initialize address set with the automatic address function or initialize address
that has been changed with the address change mode. . . Proceed to (4)
Address Initialization Mode.
b. Address Check Mode
This function is for two or more the indoor units are connected to the remote
control switch.
The indoor unit address can be checked by the indoor unit individual operation
with selecting the indoor address.
Normal Mode (when unit is not operating)
“05” Indicates.
Press the “TEMP.”
or
!
switch and select
the address of the indoor unit.
Select the address of the indoor unit to be operated.
The address and refrigerant cycle number of
the indoor unit to be set are displayed (the
diagram at left shows the No. 2 cycle and the
No. 3 indoor unit).
Press the “TEMP”
or
!
switch, select
“05” for the address check mode, and then
press the “OK” switch.
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
ß
ashed.
“OK”
Switch
3. Selection of Indoor Unit
NOTES:
Unconnected indoor unit address is not displayed.
In case of control by using two remote control switches (Master and Slave),
the indoor unit addresses cannot be checked.
4. Run and Stop Indoor Unit
5. Ending Address Checking
“RUN/STOP” switch
“RESET” switch
After selecting the indoor unit, press the “RUN/STOP” switch
to operate the indoor unit of the displayed address.
Pressing the “RUN/STOP” switch during the indoor unit operation,
returns to the indoor unit selection procedure of step (3).
Repeat steps (3) and (4) until the address number of the indoor unit for which the
address is to be changed is able to be checked. When selecting another indoor unit,
Þ
rst stop the operation of the indoor unit currently being checked.
NOTES:
All operations other than operation of the “RUN/STOP” switch are not available during
the address checking.
Do not operate from the central station during the address checking.
Press the “RESET” switch during the indoor unit
operation OFF to return to the normal mode.
Once the address of the indoor unit to be changed
has been checked, change the address of the
indoor unit by proceeding to step (3) Address
Change Mode.
