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7-4. Address Setup
This product requires address setup before operation.
Follow this procedure for address setup.
7-4-1. Precautions
(1) Address setup is not performed simply by turning on the power supply.
(2) For indoor units, address setup can be done either by manual address setup or by automatic address setup:
Automatic address setup: Setup from SW15 on the interface PC board of the header unit
Manual address setup: Setup from the wired remote controller. (For details, refer to "7-4-3. Address Setup
Procedure.")
(3) Automatic setup usually takes about 5 minutes per line. In some cases, however, it may take up to 10 minutes.
(4) It is unnecessary to operate the air conditioner to achieve address setup.
7-4-2. Address Setup and Check Procedure
P
o r
c
e
d
u
e r
I
e t
m
1
Indoor unit power-on
Outdoor unit power-on
2
7-segment display
3
check
Address setup start
4
Display check after
setup
5
System information
check after setup
6
Interface PC board
Turn on the power of the indoor unit for the refrigerant line for which the address is to be set up.
Turn on the power of all the outdoor units for the refrigerant line for which the address is to be
set up.
Check that "L08" is displayed on the 7-segment display [B] on the interface PC board of the
header unit in the system where the address is to be set up.
Confirm the items in "7-4-3. Address Setup Procedure," and then set up the address according
to the operation procedure.
(Be careful to note that the setup operation may differ in group control and central control
systems.)
Note:
The address cannot be set up if switches are not operated.
• After address setup, "U1" " " is displayed on the 7-segment display.
• For follower outdoor units, "U2" to "U4" are displayed on the 7-segment display [A].
• If an error code is displayed on the 7-segment display [B], remove the cause of the problem
referring to "8 TROUBLESHOOTING."
Using the 7-segment display function, check the system information of the scheduled system.
(This check is executed on the interface PC board of the header unit.)
System capacity
Number of connected
outdoor units
Number of connected
indoor units
After the above checks, return rotary switches SW01, SW02, and SW03 to 1/1/1.
Push switches
7-segment display
[A]
– 118 –
O
p
r e
t a
o i
n
a
n
d
c
h
e
c
k
c
o
n
Rotary switch setup
SW01
SW02
SW03
[Number of
1
2
3
horsepower]
1
3
3
[Number of units]
[Number of
1
4
3
connected units]
SW04
SW05
SW15
D600 D601 D602 D603 D604
SW01 SW02 SW03
Rotary switches
e t
n
s t
7-segment display
[A]
[B]
[H P]
[ P]
7-segment display
[B]
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Table of Contents
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