8
7. Electrical work
7.3. Remote controller
7.3.1. For wired remote controller
1) Installing procedures
(1) Select an installing position for the remote controller. (Fig. 7-4)
The temperature sensors are located on both remote controller and indoor unit.
s
Procure the following parts locally:
Two piece switch box
Thin copper conduit tube
Lock nuts and bushings
A
Remote controller profile
B
Required clearances surrounding the remote controller
C
Installation pitch
(2) Seal the service entrance for the remote controller cord with putty to prevent
possible invasion of dew drops, water, cockroaches or worms. (Fig. 7-5)
A
For installation in the switch box:
B
For direct installation on the wall select one of the following:
• Prepare a hole through the wall to pass the remote controller cord (in order to run
the remote controller cord from the back), then seal the hole with putty.
• Run the remote controller cord through the cutout in the upper case, then seal the
cutout notch with putty similarly as above.
B-1. To lead the remote controller cord from the back of the controller:
B-2. To run the remote controller cord through the upper portion:
(3) For direct installation on the wall
C
Wall
G
Switch box
D
Conduit
H
Remote controller cord
E
Lock nut
I
Seal with putty
F
Bushing
J
Wood screw
2) Connecting procedures (Fig. 7-6)
1
Connect the remote controller cord to the terminal block.
A
To the terminal block on the indoor unit
B
TB6 (No polarity)
2
Set the dip switch No.1 shown below when using two remote controller’s for the
same group.
C
Dip switches
3) Function selection of remote controller
If two remote controllers are connected, set one to “Main” and the other to “Sub”. For
setting procedures, refer to “Function selection of remote controller” in the operation
manual for the indoor unit.
7.4. Function settings
7.4.1 Function setting on the unit (Selecting the unit functions)
1) AUTO RESTART FUNCTION
Indoor controller board
This model is equipped with the AUTO RESTART FUNCTION.
(the DIP switch on the indoor controller board)
When the indoor unit is controlled with the remote controller, the operation mode, set
temperature, and the fan speed are memorized by the indoor controller board. The
auto restart function sets to work the moment the power has restored after power
failure, then, the unit will restart automatically.
OFF : Not available
ON : Available (Initial setting)
* When the power supply returns, the air conditioner will start 3 minutes later.
2) Other functions
For wired remote controller only (Fig. 7-7)
Changing the power voltage setting
• Be sure to change the power voltage setting depending on the voltage used.
1
Go to the function setting mode.
Switch OFF the remote controller.
Press the
A
and
B
buttons simultaneously and hold them for at least 2
seconds. FUNCTION will start to flash.
2
Use the
C
button to set the refrigerant address (
3
) to 00.
3
Press
D
and [--] will start to flash in the unit number (
4
) display.
4
Use the
C
button to set the unit number (
4
) to 00.
5
Press the
E
MODE button to designate the refrigerant address/unit number. [--]
will flash in the mode number (
1
) display momentarily.
6
Press the
F
buttons to set the mode number (
1
) to 04.
7
Press the
G
button and the current set setting number (
2
) will flash.
Use the
F
button to switch the setting number in response to the power supply
voltage to be used.
Power supply voltage
240 V
: setting number = 1
220 V, 230 V : setting number = 2
8
Press the MODE button
E
and mode and the setting number (
1
) and (
2
) will
change to being on constantly and the contents of the setting can be confirmed.
9
Press the FILTER
A
and TEST RUN
B
buttons simultaneously for at least two
seconds. The function selection screen will disappear momentarily and the air
conditioner OFF display will appear.
30
46
30
30
120
83.5
A
B
C
F
A
H
C
D
E
G
I
I
I
H
B
B-1.
B-2.
Fig. 7-5
A
AB
TB6
B
Fig. 7-4
Fig. 7-6
J
H
PAR-21MAA
ON/OFF
FILTER
CHECK
OPERATION
CLEAR
TEST
TEMP.
MENU
BACK
DAY
MONITOR/SET
CLOCK
ON/OFF
A
B
D
C
G
E
F
4
1
2
1
3 4
1
2
Fig. 7-7
⁄
Mode number
⁄
Setting number
⁄
Refrigerant address
⁄
Unit number
1
2
3
4
ON
OFF
1
5
2
SW3
3 4
Power failure automatic recovery
