APPENDIX A Operating Instructions CS-MKE9NB4U & CZ-18BT1U CS-MKE12NB4U & CZ-18BT1U (852-6-4181-219-00-2) A-1
Operating Instructions Split System Air Conditioner Model No. Indoor Units Outdoor Units CS-MKE9NB4U CS-MKE12NB4U CU-3KE19NBU CU-4KE24NBU CU-4KE31NBU Ceiling Panel CZ-18BT1U This air conditioner uses the refrigerant R410A. Before operating the unit, read these operating instructions thoroughly and keep them for future reference.
FEATURES This air conditioner is an inverter type unit that automatically adjusts capability as appropriate. Details on these functions are provided below; refer to these descriptions when using the air conditioner. • Microprocessor Controlled Operation • Air Sweep Control The interior compartment of the remote controller contains several features to facilitate automatic operation, easy logically displayed for easy use.
INSTALLATION LOCATION • We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit. • Before installation, check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate. • Do not install this air conditioner where there are fumes or flammable gases, or in an extremely humid space such as a greenhouse.
NAMES OF PARTS UNIT DISPLAY AND OPERATION BUTTON INDOOR UNIT INDOOR UNIT Air Intakes OPERATION button OPERATION lamp Air Outlet! (4 locations) TIMER lamp HIGH POWER lamp REMOTE CONTROL receiver Remote Controller IMPORTANT Refrigerant Tubes OUTDOOR UNIT Drain Hose Avoid using radio equipment such as mobile phone near (within 4 ft. (1.2 m)) the remote control receiver. Some radio equipment may cause malfunction of the unit.
REMOTE CONTROLLER (DISPLAY) Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when temperature is shown Displayed when setting timer Displayed when the time display is set to 12-hour time. Symbols (1) Operation mode (4) Timer AUTO ..................................... 24-hour clock with ON/OFF program Timer ....................... HEAT ...................................... ON Timer. .............................. MILD DRY .....
REMOTE CONTROLLER Transmitter When you press the buttons on the remote controller, the mark appears in the display to transmit the setting changes to the receiver in the air conditioner. Display Information on the operating conditions is displayed while the remote controller is switched on. If the unit is turned off, FLAP setting and FAN SPEED setting are not displayed.
Sensor A temperature sensor inside the remote controller senses the room temperature. ON/OFF operation button This button is for turning the air conditioner on and off. 1 HR. TIMER button (1-HOUR OFF TIMER) : When you press this button, regardless of whether the unit is operating or stopping, the unit operates for one hour and then shuts down. Temperature setting buttons (TEMP.) Press the button to increase the set temperature. Press the button to reduce the set temperature.
USING THE REMOTE CONTROLLER HOW TO INSTALL BATTERIES HOW TO USE THE REMOTE CONTROLLER When using the remote controller, always point the unit’s transmitter head directly at the air conditioner’s receiver. Air Conditioner (Indoor unit) Receiver ACL button 1. Slide the cover in the direction indicated by the arrow and remove it. 2. Install two AAA alkaline batteries. Make sure the batteries point in the direction marked in the battery compartment. 3.
OPERATION WITH THE REMOTE CONTROLLER 1. Automatic Operation 2. Manual Operation The air conditioner calculates the difference between the thermostat setting and room temperature, and automatically determines the mode to operate under cooling or heating. Then, the air conditioner continuously operates under the mode selected at initial operation.
3. Adjusting the Fan Speed B. In Heating Mode: ( A. Automatic fan speed Simply set the FAN SPEED selector button to the position. This automatically sets the best fan speed for the room temperature. B. Manual fan speed If you want to adjust fan speed manually during operation, just set the FAN SPEED selector button as desired. [ , , or ] 4.
SPECIAL REMARKS ‘‘DRY’’ ( SETTING THE TIMER ) Operation How it works? • Once the room temperature reaches the level that was set, the unit’s operation frequency is changed automatically. • During DRY operation, the fan speed automatically runs at lower speed for providing a comfortable breeze. • ‘‘DRY’’ operation is not possible if the indoor temperature is 59 °F or less.
2. How to set the OFF time 4. How to set daily ON/OFF repeat timer (Example) To stop the air conditioner at 11:00 am. (Example) To start operation at 7:10 am. and stop the air conditioner at 11:00 am. Operation 1. Press the OFF TIME setting button once. Indication 10:30 pm. Present time 11:00 am. OFF The timer indication is displayed, and the present OFF time is shown. 2. Press the Advance, Return The timer indication ( , ) button until AM 11:00 blinks. is displayed.
USING THE 1-HOUR OFF TIMER 1. 1-Hour OFF Timer This function causes the unit to operate for one hour and then stop, regardless of whether the unit is on or off when this button is pressed. The indicator in the display indicates that this function is operating. Setting procedure: Regardless of whether the unit is operating or stopped, press the 1 HR. TIMER button. appears in the display.
OPERATION WITHOUT THE REMOTE CONTROLLER CARE AND CLEANING • Cleaning and maintenance operations must be carried out by specially trained personnel. While working in high places, slipping or falling may result in serious injury. • For safety, be sure to turn the air conditioner off and also to disconnect the power before cleaning. • Do not pour water on the indoor unit to clean it. This will damage the internal components and cause an electric shock hazard.
Air filter The air filter collects dust and other particles from the air and should be cleaned once every 6 months. If the filter gets blocked, the efficiency of the air conditioner drops greatly. How to remove the air intake grille 1. Open the air intake grille. 2. Detach the safety cord from the frame (remember to attach it again after cleaning or maintenance). 3. Hold on the air intake grille and pull it towards you to detach the NOTE two air intake grille hinges.
TROUBLESHOOTING (BEFORE CALLING FOR SERVICE) If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center. Trouble Air conditioner does not run at all. Possible Cause Remedy 1. Power failure. 1. Restore power. 2. Leakage circuit breaker tripped. 2. Contact service center.
SPECIFICATIONS Model No. Power Source Cooling Capacity Heating Capacity Operation Cooling Operation (H/M/L) Sound Heating Operation (H/M/L) Unit Dimensions (H×W×D) Net Weight Model No. Power Source Cooling Capacity Heating Capacity Operation Cooling Operation (Hi) Sound Heating Operation (Hi) Unit Dimensions (H×W×D) Net Weight kW BTU/h kW BTU/h dB(A) dB(A) inch(mm) lbs.(kg) Net Weight 35.3(16.0) 35.3(16.0) Outdoor Unit CU-4KE31NBU CU-4KE24NBU Single-phase, 208-230 V, 60 Hz 9.00 [ 2.90 ~ 9.00 ] 5.
APPENDIX B Operating Instructions CS-KE18NB4UW & CZ-18BT1U (852-6-4181-213-00-2) A-2
Operating Instructions Split System Air Conditioner Model No. Indoor Units Outdoor Units (For Single use) CS-KE12NB41 CS-KE18NB4UW CU-KE12NK1 CU-KE18NKU (For Multiple use) CU-3KE19NBU CU-4KE24NBU CU-4KE31NBU Ceiling Panel CZ-18BT1U This air conditioner uses the refrigerant R410A. “Multiple use” is applied for the model CS-KE18NB4UW only.
FEATURES This air conditioner is an inverter type unit that automatically adjusts capability as appropriate. Details on these functions are provided below; refer to these descriptions when using the air conditioner.
INSTALLATION LOCATION • We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit. • Before installation, check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate. • Do not install this air conditioner where there are fumes or flammable gases, or in an extremely humid space such as a greenhouse.
NAMES OF PARTS UNIT DISPLAY AND OPERATION BUTTON INDOOR UNIT INDOOR UNIT Air Intakes OPERATION button OPERATION lamp Air Outlet! (4 locations) TIMER lamp HIGH POWER lamp REMOTE CONTROL receiver Remote Controller IMPORTANT Refrigerant Tubes OUTDOOR UNIT Drain Hose Avoid using radio equipment such as mobile phone near (within 4 ft. (1.2 m)) the remote control receiver. Some radio equipment may cause malfunction of the unit.
REMOTE CONTROLLER (DISPLAY) Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when temperature is shown Displayed when setting timer Displayed when the time display is set to 12-hour time. Symbols (1) Operation mode (4) Timer AUTO ..................................... 24-hour clock with ON/OFF program Timer ....................... HEAT ...................................... ON Timer. .............................. MILD DRY .....
REMOTE CONTROLLER Transmitter When you press the buttons on the remote controller, the mark appears in the display to transmit the setting changes to the receiver in the air conditioner. Display Information on the operating conditions is displayed while the remote controller is switched on. If the unit is turned off, FLAP setting and FAN SPEED setting are not displayed.
Sensor A temperature sensor inside the remote controller senses the room temperature. ON/OFF operation button This button is for turning the air conditioner on and off. 1 HR. TIMER button (1-HOUR OFF TIMER) : When you press this button, regardless of whether the unit is operating or stopping, the unit operates for one hour and then shuts down. Temperature setting buttons (TEMP.) Press the button to increase the set temperature. Press the button to reduce the set temperature.
USING THE REMOTE CONTROLLER HOW TO INSTALL BATTERIES HOW TO USE THE REMOTE CONTROLLER When using the remote controller, always point the unit’s transmitter head directly at the air conditioner’s receiver. Air Conditioner (Indoor unit) Receiver ACL button 1. Slide the cover in the direction indicated by the arrow and remove it. 2. Install two AAA alkaline batteries. Make sure the batteries point in the direction marked in the battery compartment. 3.
OPERATION WITH THE REMOTE CONTROLLER 1. Automatic Operation 2. Manual Operation When the remote controller’s S/M switch is at the “S” (Single) position This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting.
3. Adjusting the Fan Speed A. In Cooling and DRY Mode: ( A. Automatic fan speed Simply set the FAN SPEED selector button to the position. This automatically sets the best fan speed for the room temperature. B.
• When the HIGH POWER button is pressed, the unit operates at maximum output for 30 minutes, regardless of the desired temperature. The fan speed is 1 step above “High”. • HIGH POWER Mode cannot be used when the operation mode is in Automatic Operation. SETTING THE TIMER NOTE • When set to High fan speed during heating operation, the fan runs at High fan speed even though the mark is displayed. • Depending on the operating conditions, the fan speed may be increased by a small amount only.
2. How to set the OFF time 4. How to set daily ON/OFF repeat timer (Example) To stop the air conditioner at 11:00 am. (Example) To start operation at 7:10 am. and stop the air conditioner at 11:00 am. Operation 1. Press the OFF TIME setting button once. Indication 10:30 pm. Present time 11:00 am. OFF The timer indication is displayed, and the present OFF time is shown. 2. Press the Advance, Return The timer indication ( , ) button until AM 11:00 blinks. is displayed.
USING THE 1-HOUR OFF TIMER 1. 1-Hour OFF Timer This function causes the unit to operate for one hour and then stop, regardless of whether the unit is on or off when this button is pressed. The indicator in the display indicates that this function is operating. Setting procedure: Regardless of whether the unit is operating or stopped, press the 1 HR. TIMER button. appears in the display.
OPERATION WITHOUT THE REMOTE CONTROLLER CARE AND CLEANING • Cleaning and maintenance operations must be carried out by specially trained personnel. While working in high places, slipping or falling may result in serious injury. • For safety, be sure to turn the air conditioner off and also to disconnect the power before cleaning. • Do not pour water on the indoor unit to clean it. This will damage the internal components and cause an electric shock hazard.
Air filter The air filter collects dust and other particles from the air and should be cleaned once every 6 months. If the filter gets blocked, the efficiency of the air conditioner drops greatly. How to remove the air intake grille 1. Open the air intake grille. 2. Detach the safety cord from the frame (remember to attach it again after cleaning or maintenance). 3. Hold on the air intake grille and pull it towards you to detach the NOTE two air intake grille hinges.
TROUBLESHOOTING (BEFORE CALLING FOR SERVICE) If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center. Trouble Air conditioner does not run at all. Possible Cause Remedy 1. Power failure. 1. Restore power. 2. Leakage circuit breaker tripped. 2. Contact service center. 3. Line voltage is too low. 3. Consult your electrician or dealer. 4.
SPECIFICATIONS • For Single use Model No. Power Source Cooling Capacity Heating Capacity Cooling Outdoor (Hi) Operation Operation Indoor(H/M/L) Sound Heating Outdoor (Hi) Operation Indoor(H/M/L) Unit Dimensions (H×W×D) Net Weight kW BTU/h kW BTU/h dB(A) dB(A) inch(mm) lbs.(kg) Outdoor Unit Indoor Unit CU-KE12NK1 CS-KE12NB41 Single-phase, 115 V, 60 Hz 3.50 [ 0.90 ~ 3.50 ] 11,900 [ 3,000 ~ 11,900 ] 4.00 [ 0.90 ~ 4.
SPECIFICATIONS (CONTINUED) • For Multiple use kW BTU/h kW BTU/h Indoor Unit CS-KE18NB4UW Single-phase, 208-230 V, 60 Hz 5.15 17,500 6.00 20,400 dB(A) 44/40/36 dB(A) 44/40/36 Model No. Power Source Cooling Capacity Heating Capacity Operation Sound Cooling Operation (H/M/L) Heating Operation (H/M/L) Unit Dimensions (H×W×D) Net Weight 11-5/32×22-5/8×22-5/8 (283×575×575) 35.3(16.0) inch(mm) lbs.(kg) • For Multiple use Model No.
