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Setting the outdoor unit system addresses
Automatic address setting from the outdoor unit
For basic wiring diagram 2 (Set the system addresses: 1, 2,...)
ON
1
2
Outdoor unit control PCB
DIP switch
System address
System address rotary switch
(Set to “0” at time of shipment)
System address rotary switch
10s 20s
ON
OFF
LED1
LED2
PUMP DOWN(CN042)
EEPROM(IC006)
AUTO ADD(CN041)
System address
Rotary switch(S002)
TERMINAL (CN003)
JP007
System address
DIP switch (S003)
Bottom
side
Up side
HIC
Temperature
sensor
SILENT MODE(CN028,WHT)
RC-P(CN034,RED)
FAN(CN030,WHT)
ROM(CN012,WHT)
OC(CN013,BLU)
EMG(CN014,BRN)
20S(CN09,WHT)
FUSE(30A,F003)
C1(CN021,BLK)
TO(CN022,WHT)
TD,TS(CN023,WHT)
C2(CN020,WHT)
MOV(CN025,WHT)
63PH(CN004,RED)
RC-P(CN032,RED)
System address
No.
System address
10s digit
(2P DIP switch)
System address
1s place
(Rotary switch)
0 Automatic address
(Setting at shipment = “0”)
Both OFF
ON
1
2
ON
OFF
“0” setting
1 (If outdoor unit is No. 1)
Both OFF
ON
1
2
ON
OFF
“1” setting
2 (If outdoor unit is No. 2)
Both OFF
ON
1
2
ON
OFF
“2” setting
11 (If outdoor unit is No. 11)
10s digit ON
ON
1
2
ON
OFF
“1” setting
21 (If outdoor unit is No. 21)
20s digit ON
ON
1
2
ON
OFF
“1” setting
30 (If outdoor unit is No. 30)
10s digit and 20s
digit ON
ON
OFF
ON
1
2
“0” setting
If the power can be turned ON separately for the indoor and outdoor units in each system:
The indoor unit addresses can be set without running the compressor.
Be sure to use a jig for short-circuiting.
<Approximately 4 – 5 minutes are required.>
(1)
When there are multiple outdoor units as shown in basic wiring diagram 2
Turn ON the indoor and outdoor unit power for refrigerant system 1.
(3)
Operation using the remote controller is now possible.
(2)
Next, turn ON the power only at the indoor and outdoor units in a different system.
Communication for automatic address setting begins. LED 1 and 2 on the outdoor unit control PCB blink
alternately, and turn OFF when address setting is completed.
LED 1 and 2 on the outdoor unit control PCB blink alternately, and turn OFF when address setting is completed.
Repeat the same procedure for each system and complete automatic address setting.
Short-circuit the AUTO ADD (CN041) pin for 1 second or longer at the outdoor unit where the power was
turned ON.
Short-circuit the AUTO ADD (CN041) pin for 1 second or longer on the outdoor unit.
↓
↓
↓
↓
SM830231-02̲Single̲欧州.indb 306
SM830231-02̲Single̲欧州.indb 306
2014/09/19 13:21:49
2014/09/19 13:21:49