Panasonic U-26PE1U6 Technical Data & Service Manual page 293

Setting the outdoor unit system addresses
For basic wiring diagram 2 (Set the system addresses: 1, 2, 3...)
Outdoor unit control PCB
System address rotary switch
(Set to "0" at time of shipment)
System address rotary switch
System address
10s 20s
DIPswitch
ON
ON
1 2
OFF
System address No.
0 Automatic address
(Setting at shipment = "0")
1 (If outdoor unit is No. 1)
2 (If outdoor unit is No. 2)
11 (If outdoor unit is No. 11)
21 (If outdoor unit is No. 21)
30 (If outdoor unit is No. 30)
Automatic address setting using the remote controller
When the outdoor unit shown in "Basic wiring diagram 2" is used for group control of multiple outdoor units , use the
remote controller to perform automatic address setting. (During automatic address setting, "SETTING" blinks on the
remote controller display.)
Item code "AA" appears: All systems automatic address setting.
(Automatic address setting is performed in sequence for all outdoor units from No. 1 to No. 30. When automatic
address setting is completed, the units return to normal stopped status.)
l Selecting each refrigerant system individually for automatic address setting
---Automatic address setting for each system: Item code "A1"
<Procedure of CZ-RTC2>
1. Press the remote controller timer time
(Press and hold for 4 seconds or longer.)
2. Next, press either the temperature setting
(Check that the item code is "A1".)
3. Use the button to set the system No. to perform automatic address setting.
4. Then press the button.
(Automatic address setting for one refrigerant system begins.)
(When automatic address setting for one system is completed, the system returns to
normal stopped status.) <Approximately 4 – 5 minutes is required.>
(During automatic address setting, "
This message disappears when automatic address setting is completed.)
5. Repeat the same steps to perform automatic address setting for each successive system.
3 – 5HP
Fig. 6-8
System address 10s digit
(2P DIP switch)
Both OFF
Both OFF
Both OFF
10s digit ON
20s digit ON
10s digit and 20s digit ON
button and button simultaneously.
or button.
" is displayed on the remote controller.
6-9
System address rotary switch
System address 10s digit and 20s digit
DIP switch
Automatic address
button (black)
Terminal plug (black)
System address 1s place
(Rotary switch)
ON
ON
0
1 2
OFF
ON
ON
1 2 OFF
ON
ON
OFF
1 2
ON
ON
OFF
1 2
ON
ON
1 2 OFF
ON
ON
0
OFF
1 2
6. Test run
"0" setting
"1" setting
"2" setting
"1" setting
"1" setting
"0" setting
6