CONTENTS
PRECAUTIONS FOR SAFETY ...........................................................................
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CONSTRUCTION VIEWS (EXTERNAL VIEWS) ................................................
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2.
WIRING DIAGRAMS .............................................................................................
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3.
PARTS RATING .....................................................................................................
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.
4.
REFRIGERANT CYCLE DIAGRAM ......................................................................
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5.
CONTROL OUTLINE............................................................................................
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7
.
CONFIGURAION OF CONTROL CIRCUIT ...............................................................
7
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1. Indoor controller block diagram (MCC-1643) ............................................................
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7
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1-1. In Case of Connection of Wired Remote Controller .......................................
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7
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1-2. In Case of Connection of Wireless Remote Controller ...............................
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7
-1-3. Connection of Both Wired Remote Controller and Wireless
Remote Controller .............................................................................................
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7
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2. Indoor Print Circuit Board............................................................................................
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7
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3. Test run of indoor unit ................................................................................................
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7
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4. Method to set indoor unit function DN code.............................................................
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8
.
TROUBLESHOOTING .......................................................................................
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8
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1. Overview ...................................................................................................................
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8
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2. Troubleshooting method ..........................................................................................
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8
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3. Troubleshooting based on information displayed on remote controller ................
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8
-4. Check Codes Displayed on Remote Controller and SMMS series Outdoor Unit
(7-Segment Display on I/F Board) and Locations to Be Checked .............................
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8
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5. Diagnostic Procedure for Each Check Code (Indoor Unit) ....................................
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8
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6. Sensor characteristics ............................................................................................
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8
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7. Maintenance list .......................................................................................................
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P.C. BOARD EXCHANGE PROCEDURES.....................................
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1
0
. DETACHMENTS........................................................................................
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1
1
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EXPLODED VIEWS AND PARTS LIST ..........................................
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1.
SPECIFICATIONS .............................................................................................
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6.
9
.
6
1
3
1
4
1
5
1
6
1
7
1
8
2
6
2
6
2
6
2
7
2
8
29
31
3
6
5
5
5
5
5
6
6
2
6
7
8
2
9
0
9
1
9
2
9
7
1
0
4
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