CONTENTS
5. SYSTEM DESIGN
1. PIPE DESIGN
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1-1. IMPORTANT ITEMS WHEN USING REFRIGERANT (R410A)
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1-2. LIMITATION
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1-3. PIPE SIZE
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1-4. SELECTION OF PIPE HEAT INSULATING MATERIAL
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1-5. ADDITIONAL CHARGE CALCULATION
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2. PIPING CONNECTION
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2-1. CAUTION OF PIPING
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2-2. PIPING TO OUTDOOR UNIT
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2-3. FLARE CONNECTION
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2-4. BRANCH PIPES
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3. WIRING DESIGN
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3-1. ELECTRICAL WIRING
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3-2. POWER SUPPLY CABLE WIRING
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3-3. CONTROL PATTERNS
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3-4. CONNECTION EXAMPLES
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4. SYSTEM SETTING
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4-1. INDOOR UNIT SETTING
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5. EXTERNAL INPUT & OUTPUT
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5-1. OUTDOOR UNIT
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5-1-1. EXTERNAL INPUT
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5-1-2. EXTERNAL OUTPUT
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5-2. INDOOR UNIT
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5-2-1. EXTERNAL INPUT
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5-2-2. EXTERNAL OUTPUT
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6. FUNCTION SETTING
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6-1. OUTDOOR UNIT
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6-1-1. FIELD SETTING SWITCHES
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6-1-2. SETTING METHOD
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6-2. INDOOR UNIT (setting by printed circuit board)
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6-3. INDOOR UNIT (setting by wireless remote controller)
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6-4. INDOOR UNIT (setting by wired remote controller)
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6-4-1. MODEL: UTY-RNN
M
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6-4-2. MODEL: UTY-RVN
M
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6-5. INDOOR UNIT (setting by simple remote controller)
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6-6. FUNCTION DETAILS
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