Setting The Outdoor Unit System Addresses; Automatic Address Setting Using The Remote Controller - Sanyo C4272R Service Manual

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
ON
1
System address No.
0 Automatic address
(Setting at shipment = "0")
1
1 (If outdoor unit is No. 1)
2 (If outdoor unit is No. 2)
2
11 (If outdoor unit is No. 11)
21 (If outdoor unit is No. 21)
30 (If outdoor unit is No. 30)
3

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.)
4
Press the remote controller timer time
Then press the
(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.)
To select each refrigerant system individually and perform automatic address setting, press the remote controller
timer time button and
ture setting or
5
Use either the
when selected R.C.1 "R.C.1" is displayed.) Then press the
refrigerant circuit 1.) When automatic address setting for circuit 1 is completed, the system returns to normal
stopped status. When automatic address setting for circuit 1 is completed, the system returns to normal stopped
status. In the same way, press the remote controller timer time
form automatic address setting for a different R.C. (refrigerant circuit) if necessary. Then in the same way as
above (use the
6
dress setting.
3 – 5HP
20s
DIP switch
ON
2
OFF
10s digit and 20s digit ON
button. (Item code "AA" appears: All systems automatic address setting.)
button simultaneously. (Hold for 4 seconds or longer.) Then press either the tempera-
button. (Item code "A1" appears: Individual system automatic address setting)
or button to select the outdoor unit to perform automatic address setting. (For example,
button to display "R.C.2," for example), select the next circuit and perform automatic ad-
System address rotary switch
Fig. 6-7
System address 10s digit
(2P DIP switch)
ON
Both OFF
1
ON
Both OFF
1
ON
Both OFF
1
ON
10s digit ON
1
ON
20s digit ON
1
ON
1
button and button simultaneously. (Hold for 4 seconds or longer.)
button. (Automatic address setting is performed for
button and
VI-8
System address 10s digit and 20s digit
DIP switch
Automatic address
button (black)
Terminal plug (black)
System address 1s place
(Rotary switch)
ON
2
OFF
ON
2
OFF
ON
2
OFF
ON
2
OFF
ON
2
OFF
ON
2
OFF
button simultaneously to per-
6. Test run
"0" setting
"1" setting
"2" setting
"1" setting
"1" setting
"0" setting
SM831148