6-96-8
Setting the outdoor unit system addresses
For basic wiring diagram 2 (Set the system addresses: 1, 2, 3...)
ON
1
2
0
System address rotary switch
(Set to “0” at time of shipment)
System address rotary switch
System address
DIPswitch
OFF
ON
10s 20s
3 – 5HP
Outdoor unit control PCB
Fig. 6-8
System address No.
System address 10s digit
(2P DIP switch)
System address 1s place
(Rotary switch)
0Automatic address
(Setting at shipment = “0”)
1 (If outdoor unit is No. 1)
“0” setting
0
0
1
1
1
2
Both OFF
Both OFF
Both OFF
10s digit ON
20s digit ON
10s digit and 20s digit ON
“1” setting
“2” setting
“1” setting
“1” setting
“0” setting
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)
ON
OFF
ON
12
ON
OFF
ON
12
ON
OFF
ON
12
ON
OFF
ON
12
ON
OFF
ON
12
ON
OFF
ON
12
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.)
System address rotary switch
System address 10s digit and 20s digit
DIP switch
Automatic address
button (black)
Terminal plug (black)
<Procedure of CZ-RTC2>
l
Selecting each refrigerant system individually for automatic address setting
---Automatic address setting for each system: Item code “A1”
1. Press the remote controller timer time
button and button simultaneously.
(Press and hold for 4 seconds or longer.)
2. Next, press either the temperature setting
or button.
(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, “
” is displayed on the remote controller.
This message disappears when automatic address setting is completed.)
5. Repeat the same steps to perform automatic address setting for each successive system.
6
SM830203-04.indb 9 15/10/14 16:25:09
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