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Outdoor Unit
Installation Manual
EN
Outdoor Unit
Installation Manual
▼
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.)
(When communication wirings of 2 or more refrigerant lines are interconnected for central control)
NOTE
You can change the addresses of indoor units in each refrigerant line using an arbitrary wired remote controller.
* Enter the address check / change mode and change the addresses.
If no number appears on UNIT No., no outdoor unit exists on the line. Push
button and select another line
following step
2
.
(Execute it while the units are stopped.)
1
Push and hold the TIME
and
buttons at the same time for more than 4 seconds.
At first, the line 1 and CODE No.
(Address Change) are indicated on the LCD display.
2
Push
(left side of the button) and
buttons repeatedly to select a system address.
3
Push the
button.
• The address of one of the indoor units connected to the selected refrigerant line is indicated on the LCD
display and the fan and louvers of the unit are activated.
At first, the current indoor unit address is displayed in
SET DATA
.
(No system address is indicated.)
3
1
2
ON / OFF
TEMP.
TIME
SET CL
FILTER
RESET TEST
TIMER SET
CODE No.
UNIT No.
SETTING
DATA
SET
R.C.
No.
Cancels the line selection
CL
TEST
SWING/FIX
SET
4
8
5, 7
6
ON / OFF
TEMP.
TIME
SET CL
FILTER
RESET TEST
TIMER SET
CODE No.
UNIT No.
SETTING
DATA
SET
R.C.
No.
Press to finish
setting.
Finish
4
Push the TIME
/
buttons repeatedly to change the value of the indoor unit address in SET
DATA.
Change the value in SET DATA to that of a new address.
5
Push the
button to confirm the new address on SET DATA.
6
Push the
button (left side of the button) repeatedly to select another address to change.
Each time you push the button, the indoor unit numbers in a refrigerant line are indicated one
after another. Only the fan and louvers of the selected indoor unit are activated.
Repeat steps
4
to
6
to change the indoor unit addresses so as to make each of them unique.
7
Push the
button.
(All the segments on the LCD display light up.)
8
Push the
button to finish the procedure.
Resetting the address
(Resetting to the factory default (address undecided))
Method 1
Clearing each address separately using a wired remote controller.
Set the system address, indoor unit address and group address to “0099” using a wired remote controller.
(For the setting procedure, refer to the address setting procedures using the wired remote controller on the
previous pages.)
Method 2
Clearing all the indoor unit addresses on a refrigerate line at once from the outdoor unit.
1
Turn off the refrigerant line to reset to the factory default and set the outdoor unit of the line as
below.
1) Disconnect the relay connectors between the [U1, U2] and [U3, U4] terminals.
(Leave them as they are if they have already been disconnected.)
2) Turn on dip switch 2 of SW30 on the interface P.C. board of the outdoor unit if the switch is OFF.
(Leave it as it is if it has already been set to ON.)
SET
SET
TEST
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
Central controller
Outdoor
unit
Remote
controller
Remote
controller
Remote
controller
Remote
controller
Indoor units to have their addresses initialized
Outdoor
unit
Outdoor
unit
51-EN
52-EN
+00EH99883601_00Ta.book Page 26 Thursday, September 8, 2011 4:34 PM
