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.. Check that the power source is connected properly. .. Check if the in-house fuse and/or breaker is “ON”. .. Check to see if the power is on. .. Check if the air filters are dirty. .. Check if the room temperature setting is correct. .. Check the horizontal louver. .. Check to see if the air intake or the discharge outlet have been blocked. .. Check if the air flow rate is correct. CALL FOR SERVICE • If the air conditioner(s) still have problems, disconnect the • If foreign substances or water entered the internal system power source and consult your installer. of the air conditioner(s). • If water drips from indoor unit(s). • If it sounds strange during operation. • If the circuit breaker frequently trips. • If indoor unit(s) are not level. TROUBLE CHECK BY SELF-TEST MODE • If an abnormality occurs on the air conditioner(s), the operation is automatically stopped by the “Self-Diagnosis Function”. • If the operating light of main unit is blinking, please put the switch lever(s) on the indoor unit(s) in off (O)-position. · 9/12 Btuh ·:Blink ing Trouble Check by Self-Test ModeState of LED Contents of Defect (Green) LED · Defect of room temperature sensor (Orange) LED · Defect of indoor heat exchanger sensor ·18/24 Btuh ·:Blinking Trouble Check by Self-Test Mode Contents of Defect (Green) LED · Defect of room temperature sensor (Red) LED ( ) · Defect of indoor heat exchanger sensor (Green) LED · Defect of compressor protection circuit (Cooling only Model) When self-diagnosis is cleared it returns to normal operation. ECR International Hyundai Ductless Split System10 additional refrigerant amount =0.44oz./ft.>25’. • Capacity drops slightly. More than 12” More than 2” More than 16” More than 4” More than 10” INSTALLATION (Single Zone Shown) NOTE: Always check superheat and subcooling of system. (22.72”) 9/12 Btuh (23.94”) 18/24 Btuh (8.86”) 9 Btuh( 11.02”) 12 Btuh(14.25”) 18/24 Btuh Distance between the unit(s) and ceiling should be more than 2” Clearance in front of unit(s) should be no less than 10’ Distance between the unit(s) and the wall should be more than 6” Fasten the unit(s) on the lower hook of wall plate Fasten the unit(s) on the upper hook of wall plate Distance between the unit(s) and the wall should be more than 6” Wall plate Patch Outgoing tubing (bottom) Wall cap Connecting wire Through the wall tubing (O.D. 2.36”) • Height limit: below 25ft. • Maximum tubing length: below 50ft. Tubing length over 25ft. 9/12 Btuh (Single or Multi-Zone) • Charge additional refrigerant amount, additional refrigerant amount =0.44oz./ft.>25’. • Capacity drops slightly. More than 12” More than 2” More than 16” More than 4” More than 10” INSTALLATION (Single Zone Shown) NOTE: Always check superheat and subcooling of system. (22.72”) 9/12 Btuh (23.94”) 18/24 Btuh (8.86”) 9 Btuh( 11.02”) 12 Btuh(14.25”) 18/24 Btuh Distance between the unit(s) and ceiling should be more than 2” Clearance in front of unit(s) should be no less than 10’ Distance between the unit...

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