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Order No: PHAAM1111087C1
Indoor Unit Outdoor Unit
CS-E9NKUAW CU-E9NKUA
CS-E12NKUAW CU-E12NKUA
Please file and use this manual together with the service manual for Model No. CU-2E18NBU, Order No. PHAAM1111120A1.
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a pro
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12.3 Outdoor Fan Motor Operation ....................31 12.4 Airflow Direction..........................................31 12.5 Quiet Operation (Cooling Mode/Cooling Area of Dry Mode)...............................................32 12.6 Quiet Operation (Heating) ..........................32 12.7 Powerful Mode Operation...........................33 12.8 Timer Control..............................................33 12.9 Auto Restart Control...................................33 12.10 Indic
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1. Safety Precautions Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing. Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as below. Incorrect installation or servicing due to ignoring of the instruction
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19. During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.). 20. During pump down operation, stop the compressor before remove the refrigeration piping. (Removal of refrigeration piping while compressor is operating and valves are opened condition
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2. Specification Indoor CS-E9NKUAW CS-E12NKUAW Model Outdoor CU-E9NKUA CU-E12NKUA Performance Test Condition ARI ARI Phase, Hz Single, 60 Single, 60 Power Supply V 208 230 208 230 Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. kW 1.20 2.49 3.00 1.20 2.49 3.00 1.20 3.51 3.90 1.20 3.51 3.90 Capacity BTU/h 4100 8500 10200 4100 8500 10200 4100 12000 13300 4100 12000 13300 Running Current A - 3.5 - - 3.1 - - 5.2 - - 4.7 - Input Power W 250 650 850 250 650 850 250 1.00k 1.15k
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Type Propeller Propeller Material PP PP Motor Type DC (8 poles) DC (8 poles) Input Power W - - Output Power W 40 40 Speed Hi rpm C: 830 H: 780 C: 830 H: 780 Moisture Removal L/h (Pt/h) 0.6 (1.3) 1.2 (2.5) Cooling : 5.42 (191) Cooling : 5.30 (187) 3 3 QLo m /min (ft /min) Heating : 6.49 (229) Heating : 8.75 (309) Cooling : 6.51 (230) Cooling : 6.98 (246) 3 3 Lo m /min (ft /min) Heating : 7.53 (266) Heating : 9.78 (345) Cooling : 8.80 (3 11) Cooling : 9.49 (335) 3 3 Indoo
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DRY BULB WET BULB DRY BULB WET BULB Maximum 89.6 73.4 89.6 73.4 Indoor Operation Range (Cooling) Minimum 60.8 51.8 60.8 51.8 Maximum 109.4 78.8 109.4 78.8 Outdoor Operation Range (Cooling) Minimum 5.0 - 5.0 - Maximum 86.0 - 86.0 - Indoor Operation Range (Heating) Minimum 60.8 - 60.8 - Maximum 75.2 64.4 75.2 64.4 Outdoor Operation Range (Heating) Minimum 5.0 3.2 5.0 3.2 1. Cooling capacities are based on indoor temperature of 27°C DRY BULB (80.6°F DRY BULB), 19.0°C WET BULB (66°
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3. Features Inverter Technology o Wider output power range o Energy saving o Quick Cooling o More precise temperature control Environment Protection o Non-ozone depletion substances refrigerant (R410A) Long Installation Piping o CS/CU-E9/12NK, long piping up to 20 meters Easy to use remote control Quality Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to
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4. Location of Controls and Components 4.1 Indoor Unit 4.2 Outdoor Unit 4.3 Remote Control 9
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5. Dimensions 5.1 Indoor Unit 10
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5.2 Outdoor Unit 11
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6. Refrigeration Cycle Diagram 12
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7. Block Diagram 13
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8. Wiring Connection Diagram 8.1 Indoor Unit 14
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8.2 Outdoor Unit 15
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9. Electronic Circuit Diagram 9.1 Indoor Unit 16
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9.2 Outdoor Unit 17
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10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board 18
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10.1.2 Power Printed Circuit Board 10.1.3 Indicator Printed Circuit Board 19
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10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board 20
