7
6. Electrical work
6.2. Remote controller
6.2.1. For wired remote controller
1) Installing procedures
(1) Select an installing position for the remote controller. (Fig. 6-2)
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 pos-
sible invasion of dew drops, water, cockroaches or worms. (Fig. 6-3)
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 cut-out upper case, then seal the cut-
out 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
D
Conduit
E
Lock nut
F
Bushing
G
Switch box
H
Remote controller cord
I
Seal with putty
J
Wood screw
2) Connecting procedures (Fig. 6-4)
1
Connect the remote controller cord to the terminal block.
A
To TB5 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
Setting the dip switches
The dip switches are at the bottom of the remote controller. Remote controller Main/
Sub and other function settings are performed using these switches. Ordinarily, only
change the Main/Sub setting of SW No.1. (The factory settings are all “ON”.)
30
46
30
30
120
83.5
A
B
C
F
A
H
C
D
E
G
I
I
I
H
B
J
H
B-1.
B-2.
Fig. 6-3
A
AB
TB6
B
1
2
3
4
ON
1
2
3
4
ON
C
<SW No. 1>
SW contents Main
Remote controller Main/Sub setting
ON/OFF
Comment
Set one of the two remote controllers at one group to “Main”
Main/Sub
<SW No. 2>
SW contents Main
When remote controller power turned on
ON/OFF
Comment
When you want to return to the timer mode when the power is restored
after a power failure when a Program timer is connected, select “Timer
mode”.
Normally on/Timer mode on
Fig. 6-2
Fig. 6-4
<SW No. 3>
SW contents Main
Cooling/heating display in AUTO mode
ON/OFF
Comment
When you do not want to display “Cooling” and “Heating” in the Auto
mode, set to “No”.
Yes/No
<SW No. 4>
SW contents Main
Intake temperature display
ON/OFF
Comment
When you do not want to display the intake temperature, set to “No”.
Yes/No
ON/OFF
CENTRALLY CONTROLLED
ERROR CODE
CLOCK
ON
OFF
˚C
CHECK
CHECK MODE
FILTER
TEST RUN
FUNCTION
˚C
1Hr.
NOT AVAILABLE
STAND BY
DEFROST
FILTER
CHECK TEST
TEMP.
TIMER SET
F
G
E
C
D
B
A
4
3
2
1
STAND BY
DEFROST
INDOOR UNIT
ADDRESS NO
CLOCK
ON OFF
˚C
1Hr.
˚C
CHECK MODE
FILTER
CLOCK
FUNCTION
4
1
STAND BY
DEFROST
INDOOR UNIT
ADDRESS NO
CLOCK
ON OFF
˚C
1Hr.
˚C
CHECK MODE
FILTER
CLOCK
FUNCTION
STAND BY
DEFROST
INDOOR UNIT
ADDRESS NO
CLOCK
ON OFF
˚C
1Hr.
˚C
CHECK MODE
FILTER
CLOCK
FUNCTION
STAND BY
DEFROST
INDOOR UNIT
ADDRESS NO
CLOCK
ON OFF
˚C
1Hr.
˚C
CHECK MODE
FILTER
CLOCK
FUNCTION
2
1
Fig. 6-5
⁄
Mode number
⁄
Setting number
⁄
Refrigerant address
⁄
Unit number
1
2
3
4
6.3. Function settings
6.3.1. For wired remote controller (Fig. 6-5)
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.