Precautions for Safety ................................................................................................ 7
New Refrigerant (R410A) .......................................................................................... 15
1. SPECIFICATIONS .................................................................................................. 17
1-1. 208/230V model .................................................................................................................. 17
1-2. 460V model ......................................................................................................................... 21
2. WIRING DIAGRAM ................................................................................................. 25
2-1. Outdoor Unit ....................................................................................................................... 25
3. PARTS RATING ...................................................................................................... 31
3-7-3. Inverter P.C. board for compressor (MCC-1596) A3-IPDU
(Standard: 50°F or lower) ................................................................................................... 53
6. CONTROL OUTLINE .............................................................................................. 60
CONTENTS
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4FT9UL .................................................................. 42
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4FT6UL .......................................................................... 43
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4FT9UL .................................................................. 45
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4FT6UL .......................................................................... 46
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