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Indoor Units Nominal Capacity Type Indoor Unit Type Wall Mounted S-18MK2U6 S-24MK2U6 Connectable outdoor unit lineup This booklet is the operating instructions for indoor unit. Regarding the outdoor unit, see the operating instructions supplied with the outdoor unit. Outdoor Units...
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.
• For safety, be sure to turn the air conditioner off and also to disconnect the power before cleaning or servicing. • Pull off the power plug from a receptacle, or switch off the breaker, or switch off the power disconnecting mean to isolate the air conditioner from the main power supply in case of emergency.
NAMES OF PARTS INDOOR UNIT Air intake Receiver OPERATION TIMER STANDBY Air outlet Emergency Operation button Timer Remote Controller (Optional parts) Refer to the Operating Instructions NOTE attached to the optional Timer Remote Controller. (CZ-RTC4) High-spec Wired Remote Controller (Optional parts) Refer to the Operating Instructions NOTE attached to the optional High-spec Wired...
ADJUSTING AIRFLOW DIRECTION Wall mounted type (K2) Vertical directions (automatic) Confirm that the remote controller has been turned on. Press the FLAP button to start the flap Indoor unit moving up and down. If you want to stop the flap movement and to direct the air in the desired direction, press the FLAP button again.
SPECIAL REMARKS • Since this air conditioner utilizes outside air for heating, its heating performance Heating Performance deteriorates as outside temperature decreases. (Due to heat pump system) • It will take some time until the room becomes warmer after heating operation started. (Due to hot air circulation system in order to heat a whole room) •...
CARE AND CLEANING Wipe with a soft cloth. (If it is very dirty, use a cloth moistened with water.) Do not attempt to clean inside the unit by yourself. Refer to the section “Care and Cleaning” in the Installation Instructions. 1.
TROUBLESHOOTING 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 a service center. INDOOR UNIT Symptom Cause Noise Sound like streaming water during •...
CHECK BEFORE REQUIRING SERVICES Symptom Cause Remedy Air conditioner does not run at Power failure or after power failure Press ON/OFF operation button on remote controller all although power is turned again. Operation button is turned off. • Switch on power if breaker is turned off. •...
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