INSTRUCTION MANUAL Split System Air Conditioner COOL/DRY Model KS0951 KS1251 KS1852 Save These Instructions! Pub.
Features This air conditioner is equipped with cooling and drying functions. Details on these functions are provided below; refer to these descriptions when using the air conditioner. • Microprocessor Controlled Operation The interior compartment of the remote control unit contains several features to facilitate automatic operation, each logically displayed for easy use.
Contents Page Features.................................................................................................................. 2 Product Information .............................................................................................. 3 Alert Symbols ........................................................................................................ 3 Installation Location..............................................................................................
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. • • • • Avoid: 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 INDOOR UNIT Air intakes Air outlet Remote control unit Drain hose Refrigerant tubes OUTDOOR UNIT Air outlet NOTE This illustration is based on the external appearance of a standard model. Consequently, the shape may differ from that of the air conditioner which you have selected. This air conditioner consists of an indoor unit and an outdoor unit. You can control the air conditioner with the remote control unit.
Unit Display and Operation Selector INDOOR UNIT KS1852 Operation selector INDOOR UNIT KS0951 KS1251 ON OFF TEST ON OFF TEST Operation selector OPERATION lamp TIMER lamp OPERATION Remote control receiver TIMER Remote control receiver OPERATION TIMER IMPORTANT Avoid using radio equipment such as mobile phones near (within 1 m of) the indoor unit. Some radio equipment may cause the unit to malfunction. If the trouble occurs, disconnect power and restart the air conditioner after a few minutes.
Remote Control Unit (Display) Displayed when setting temperature Displayed when transmitting data SET TEMP. 1HR. ON H OFF Displayed when setting timer Symbols (1) Operation mode MILD DRY................................ COOL ....................................... (4) Timer 12-hour ON Timer.................. 12-hour OFF Timer................. 1-hour OFF Timer................... (2) Fan speed ON OFF 1HR. (5) NIGHT SETBACK .................... AUTO.......................................
Remote Control Unit Transmitter SET TEMP. 1HR. ON H OFF Display (Cover closed) ON/OFF operation button 1HR. TIMER ON OFF TEMP. 1 HR. TIMER button Temperature setting buttons (TEMP.) FAN SPEED selector button FLAP button FLAP FAN SPEED MODE TIMER ON button ON TIMER OFF button SET button SET NIGHT CANCEL SETBACK BATTERIES CANCEL button ADDRESS switch MODE selector button OFF A B NIGHT SETBACK button ACL ACL button Battery compartment (Pull off the cover to expose the batteries.
Remote Control Unit (continued) MODE selector button (DRY) (COOL) FLAP button NOTE Use this button to select the DRY or COOL mode. : The air conditioner reduces the humidity in the room. : The air conditioner makes the room cooler. Press this button either to select to set the airflow direction to one of the six possible positions manually, or to select the sweep function, which moves the flap up and down automatically. : The airflow direction can be set manually.
Using the Remote Control Unit How to Install Batteries 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. ACL button 3. Use a thin object such as the tip of a pen to press the ACL button. Cover NOTE • • • • How to Use the Remote Control Unit The batteries last about six months, depending on how much you use the remote control unit.
Using the Remote Control Unit (continued) Mounting the Remote Control Unit Removable mounting Non-removable mounting Wall Wall (Packed with the indoor unit) (Packed with the indoor unit) Mounting on a wall A. Removable mounting 1) Momentarily hold the remote control unit at the desired mounting position. 2) Confirm that the air conditioner responds correctly when you press keys on the remote control from that position.
Operation with the Remote Control Unit 1. Manual Operation SET TEMP. 1HR. TIMER ON OFF TEMP. STEP 2 STEP 4 STEP 3 FLAP FAN SPEED MODE STEP 1 ON SET NOTE OFF NIGHT CANCEL SETBACK Check that the circuit breaker on the power panel is turned on and that the operation selector of the indoor unit is in the ON position. If the automatic operation settings of the unit do not meet your needs, press the setting buttons as described below and change the settings as desired.
Operation with the Remote Control Unit (continued) NOTE • This appliance has a built-in three minutes time delay circuit to ensure reliable operation. When the operation button is pressed, the compressor will start running within three minutes. In the event of power failure, the unit will stop. When the power is restored, the unit will restart automatically after five minutes. 2. Adjusting the Fan Speed A. Automatic Simply set the FAN SPEED selector button to the position.
Operation with the Remote Control Unit (continued) 3. Night Setback Mode SET TEMP. NORMAL 1HR. TIMER ON OFF TEMP. FLAP FAN SPEED MODE ON OFF SET NIGHT CANCEL SETBACK BATTERIES ACL The Night Setback Mode is used for saving energy. Press the NIGHT SETBACK button while the air conditioner is operating. mark appears in the display. The To cancel the night setback function, press the NIGHT SETBACK button again.
Special Remarks ‘‘DRY’’ ( ) Operation How it works? • • • Power failure during operation Once the room temperature reaches the level that was set, the unit repeats the cycle of turning on and off automatically. During DRY operation, the fan speed is automatically set to LOW or VERY LOW; the fan speed then switches back and forth between LOW (for 20 seconds) and VERY LOW (for 10 seconds). ‘‘DRY’’ operation is not possible if the indoor temperature is 59 °F or less.
Using the 12-Hour ON and OFF Timer After the length of time set for TIMER ON elapses, the unit begins operating. 1. TIMER ON mode (Example) The display depicted at left indicates that the air conditioner will begin operating in three hours. ON Setting procedure: H 1HR. TIMER ON OFF STEP 1 Press the MODE selector button and select the desired operation mode. (See ‘‘Operation with the Remote Control Unit,’’ page 12.) STEP 2 Press the TIMER ON button (which advances the time delayed).
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 the button is pressed. The 1HR. indicator in the display indicates that this function is operating. 1HR. ON OFF 1HR. TIMER TEMP. Setting procedure: Regardless of whether the unit is operating or stopped, press the 1 HR. TIMER button. 1HR. appears in the display.
Adjusting the Airflow Direction 1. Horizontal The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right. CAUTION When the humidity is high, the vertical vanes should be in the front position during the cooling or drying operation. If the vertical vanes are positioned all of the way to the right or left, condensation may begin to form around the air vent and drip down. 2. Vertical 1HR.
Operation without the Remote Control Unit INDOOR UNIT KS0951 KS1251 If you have lost the remote control unit or it has trouble, follow the steps below. ON OFF TEST 1. When the air conditioner is not running If you want to turn on the air conditioner, switch the operation selector to the OFF position, and then to the ON position. Operation selector KS1852 NOTE The set temperature and fan speed are automatically set at the last selection before stopping. 2.
Care and Cleaning (continued) Anti-mold filter The anti-mold filter behind the air intake grille should be checked and cleaned at least once every two weeks. Air intake grille How to remove the anti-mold filter 1. Grasp both ends of the air intake grille and pull it out and up. 2. Push the anti-mold filter up slightly, and then pull it down. Anti-mold filter Cleaning How to replace the anti-mold filter Use a vacuum cleaner to remove light dust.
Care and Cleaning (continued) Air cleaning filter (not provided) NOTE The air cleaning filter removes dust and dirt from the air, and reduces odors and smoke from tobacco. KS0951/KS1251 The air cleaning filter is not provided with the air conditioner and must be purchased separately. The first time that you buy the air clean filter, it is necessary to get the STK-ARF4B model with frame. When changing the filter subsequently, it is only necessary to replace the filter itself (model STK-F4B).
Care and Cleaning (continued) Removing and remounting the air intake grille CAUTION Washing the grille with water • With the air intake grille open all the way, grip both arms with your hands and pull toward you to remove. To remount, hold the air intake grille roughly horizontal and push it in until the arm shafts fit into the indentations in the main unit, then fit the grille into place. Air intake grille Arm When using a footstool or the like, be careful not to let it tip over.
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 service center. Trouble Air conditioner does not run at all. OPERATION lamp flashes and air conditioner does not operate. Compressor runs but soon stops. Poor cooling performance. Clicking sound is heard from the air conditioner. OPERATION lamp lights but outdoor unit will not run. Possible Cause 1. Power failure. 2.
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