VRF System Air Conditioner Model No. Indoor Unit Nominal Capacity Type Indoor Unit Type Wall Mounted S-07MK2U6 S-09MK2U6 S-12MK2U6 4-Way Cassette 60x60 S-12MY2U6 S-18MY2U6 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.
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 Y2 type (4-WAY CASSETTE 60×60) Control Panel Receiver Air is discharged evenly Airflow direction louver Emergency button Intake grille K2 type (WALL MOUNTED) Air filters Front panel Receiver Horizontal airflow Vertical airflow direction louver direction louver •...
ADJUSTING AIRFLOW DIRECTION The functions differ depending on the indoor unit used. The airflow direction cannot be set using the remote controller for any unit which is not listed below. Y2 type, K2 type: • Never use your hands to move the flap (vertical airflow flap) that is controlled using the remote controller.
ADJUSTING AIRFLOW DIRECTION (CONTINUED) 4-way cassette (Y2) Y2 type air conditioner is equipped with auto flaps. You can set the airflow direction to a specific angle or to the sweep mode using the remote controller. Do not move the flap with your hands. Wall mounted type (K2) Vertical directions (automatic) Confirm that the remote controller has been turned on.
SPECIAL REMARKS ‘‘DRY’’ Operation • Once the room temperature reaches the level that was set, the unit repeats the cycle of How it works turning on and off automatically. • In order to prevent the humidity in the room from rising again, the indoor fan also turns off when the unit stops operating.
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• Switch off the power supply before cleaning. • Do not touch the aluminium fin, sharp parts may cause injury. HINTS CLEANING INSTRUCTIONS • Clean the filter regularly for best performance • Do not use benzene, thinner or scouring powder. and to reduce power consumption.
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. •...
Net Weight* 45.3 (20.4) 45.3 (20.4) lbs. ( ㎏ ) * Values include the dimensions and weight of an optional ceiling panel. Wall Mounted Model Name S-07MK2U6 S-09MK2U6 S-12MK2U6 Power Source 208 / 230 V, 60 Hz, 1PH BTU/h 7,500...