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To change all the indoor unit addresses using an arbitrary wired remote controller.
(The method is available when the addresses have already been set automatically.)
Contents
: Using an arbitrary wired remote controller, the indoor unit address can be changed for each unit within
the same refrigerant system.
* Change the address in the address check / change mode.
[Procedure]
(Operation while the air conditioner stops)
1
Push the timer time
+
buttons simultaneously for 4 seconds or more.
Firstly, the line 1,
CODE No.
(Address Change) is displayed.
2
Using
/
buttons, select the line address.
3
Push
button.
• The indoor address, which is connected to the refrigerant system of the selected header unit is displayed
and the fan is turned on.
First the current indoor address is displayed on the setup data. (Line address is not displayed.)
4
The indoor address of the setup data moves up/down by the timer time
/
buttons.
Change the setup data to a new address.
5
Push
button to determine the setup data.
6
Every pushing
button, the indoor unit numbers in the same refrigerant line are
successively displayed. Only fan of the selected indoor unit operates.
Repeat the procedure
4
to
6
and change all the indoor addresses so that they are not duplicated.
7
Push
button.
(All the displays on LCD go on.)
8
Push
button to finish the procedure.
TEST
SWING/FIX
SET
SET
SET
TEST
4
8
3
1
5, 7
2
6
CODE No.
ON / OFF
MODE
TEMP.
SETTING
SET DATA
VENT
UNIT LOUVER
FAN
TIMER SET
TIME
SAVE
SWING/FIX
SET
CL
FILTER
RESET TEST
UNIT No.
R.C
No.
CODE No.
ON / OFF
MODE
TEMP.
SETTING
SET DATA
VENT
UNIT LOUVER
FAN
TIMER SET
TIME
SAVE
SWING/FIX
SET
CL
FILTER
RESET TEST
UNIT No.
R.C
No.
Operation procedure
1
→
2
→
3
→
4
→
5
→
6
→
7
→
8
End
Here, if the unit No. is not called up, the
header unit in this system does not exist.
Push
button, and then select a line
according to procedure
2
.
CL
Deletion of line selection
To finish the set
Clearance of address
(Return to status (Address undecided) factory default)
Method 1
An address is individually cleared from a wired remote controller.
“
0099
” is set up to line address, indoor address, and group address data from the wired remote controller.
(For the setup procedure, refer to the above-mentioned address setup from the wired remote controller.)
Method 2
Clear the indoor addresses in the same refrigerant system from the outdoor unit.
1
Turn off the power of the refrigerant system to be returned to the status factory default, and
change the outdoor unit to the following status.
1) Remove the relay connector between
[U1U2]
and
[U3U4]
.
(If it has been already removed, leave it as it is.)
2) Turn on SW30-2 on the interface P.C. board of the outdoor unit if it is ON.
(If it has been already ON, leave it as it is.)
2
Turn on the indoor / outdoor power of which address is to be cleared. After approx. 1 minute,
check that “U.1. - - -” is displayed, and then execute the following operation on the interface P.C.
board of the outdoor unit of which address is to be cleared in the refrigerant system.
3
After “A.d. c.L.” has been displayed on 7-degment display, return SW01 / SW02 / SW03 to 1/1/1.
4
When the address clearing has correctly finished, “U.1.L08” is displayed on 7-degment display
after a while.
If “A.d. n.G.” is displayed on 7-degment display, there is a possibility which is connected with the other
refrigerant system. Check again the relay connector between [U1U2] and [U3U4] terminals.
NOTE
Be careful that the other refrigerant system address may be also cleared if clearing operation is not correctly executed.
5
After clearing of the address, set up an address again.
SW01
SW02
SW03
SW04
Address which can be cleared
2
1
2
After checking that “A.d.buS” is displayed on 7-degment
display, and then push SW04 for 5 seconds or more.
Line + Group address
2
2
2
After checking that “A.d.nEt” is displayed on 7-degment
display, and then push SW04 for 5 seconds or more.
Central address
U3 U4
U1 U2
U1 U2
A B
U1 U2
A B
U3 U4
U1 U2
U1 U2
A B
U1 U2
A B
U3 U4
U1 U2
U1
U3
U2
U4
U1 U2
A B
Center unit
Center unit
Unit of which address is to be returned to the initial status
Remote
controller
Outdoor unit
Outdoor unit
Central control
device
Outdoor unit
Remote
controller
Remote
controller
Remote
controller
41-EN
42-EN
