User Manual

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1
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’10 • SC-T-154
CONTENTS
1 CENTRAL CONTROL SC-SL2NA-E ..................................................................2
2 CENTRAL CONTROL SC-SL3NA-AE and SC-SL3NA-BE ............................10
3 TROUBLESHOOTING ......................................................................................36
4 CONNECTION EXAMPLE ................................................................................38
SC-SL3NA-AE, BE
SC-SL2NA-E
0
0
0
1
0
2
0
3
0
4
0
5 ~ 8
1
1
1
2
1
3
1
4
1
5 ~ 8
2
0
2
1
2
2
2
3
2
4
2
5 ~ 8
0
0
0
1
0
2
0
3
1
1 (3)
(1)
SC-SL3NA-AE, BE
SC-SL2NA-E
Number of units in combinations of SC-SL1N-E, SC-SL2NA-E and SC-SL3NA-AE, BE
(per system)
Check indicator table
In case of new SL (Super Link)
In case of previous SL
Notes (1) In case of previous SL, since SC-SL3NA-AE, BE is for connection of 3 Super Link systems, one unit of SC-SL2NA-E can be
connected to each system.
(2) Number of units in combination as shown above is applicable to when the indoor units being controlled by each central control are
not duplicated. When controlling the same indoor units with a plural number of central controls, it may affect the allowable
number of indoor units for connection. For further details, please consult your dealr.
Description of trouble
Location of
trouble
Outdoor unit control PCBIndoor unit control PCB
Red LED Green LEDRed LED Green LEDRed LEDError code
Repair method
Replacement
SL2NA-E
SL3NA-AE, BE
SL2NA-E
SL3NA-AE, BE
Communication error (Defective communication circuit on the main unit of
SL2NA-E or SL3NA-E)
•
Keeps flashing Keeps flashing Keeps flashingStays OFF Stays OFF