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SEMI-CONCEALED
(4-WAY)
(1-WAY SLIM)
ST-NKFL7
ST-NKSFL9
ST-NKFL9
ST-NKSFL12
ST-NKFL12
ST-NKSFL18
ST-NKFL18
ST-NKSFL24
ST-NKFL24
ST-NKFL36
ST-NKFL48
ST-NKFL60
(2-WAY)
ST-NK2FL7
ST-NK2FL9
ST-NK2FL12
ST-NK2FL18
ST-NK2FL24
Split System Air Conditioner
Climatiseur Split System
Split-System-Klimagerät
Condizionatore d'Aria Split
Aparelho de Ar Condicionado Sistema Split
Κλιµατιστικ ∆ύο Μονάδων
Acondicionador de Aire de Dos Unidades
Pub. OI-85464189698000
This air conditioner uses the new refrigerant R410A.
CEILING-MOUNTED
WALL-MOUNTED
ST-NPFL12
ST-NWFL7
ST-NPFL18
ST-NWFL9
ST-NPFL24
ST-NWFL12
ST-NPFL36
ST-NWFL18
ST-NPFL48
ST-NWFL24
FLOOR STANDING
ST-NFFL7
ST-NFFL9
ST-NFFL12
ST-NFFL18
ST-NFFL24
• INSTRUCTION MANUAL
• MODE D'EMPLOI
• BEDIENUNGSANLEITUNG
• ISTRUZIONI PER L'USO
• MANUAL DE INSTRUÇÕES
• ΕΓΧΕΙΡΙ∆ΙΟ Ο∆ΗΓΙΩΝ
• MANUAL DE INSTRUCCIONES
CONCEALED DUCT
(Standard Static Pressure)
ST-NDLP7
ST-NDLP9
ST-NDLP12
ST-NDLP18
ST-NDLP24
ST-NDLP36
ST-NDLP48
(High Static Pressure)
ST-NDHP24
ST-NDHP36
ST-NDHP48
ST-NDHP76
ST-NDHP96
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Table of Contents
Troubleshooting
Related Manuals for Airwell ST-NKFL7
Summary of Contents for Airwell ST-NKFL7
- Page 1 Guarde estas instruções Φυλάξτε τις οδηγίες αυτές This air conditioner uses the new refrigerant R410A. Guarde estas instrucciones SEMI-CONCEALED CEILING-MOUNTED WALL-MOUNTED CONCEALED DUCT (4-WAY) (1-WAY SLIM) (Standard Static Pressure) ST-NKFL7 ST-NPFL12 ST-NWFL7 ST-NKSFL9 ST-NDLP7 ST-NKFL9 ST-NKSFL12 ST-NPFL18 ST-NWFL9 ST-NDLP9 ST-NKFL12...
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Page 2: Table Of Contents
01_ST-NKFL7_EN.fm Page 2 Wednesday, July 14, 2004 6:12 PM Contents Page Product Information................... 2 Alert Symbols....................2 Installation Location ..................3 Electrical Requirements ..................3 Safety Instructions .................... 3 Names of Parts (Indoor Unit) ................4 Wireless Remote Control Unit (Optional parts) ..........6 Parts Name and Functions ................ -
Page 3: Installation Location
01_ST-NKFL7_EN.fm Page 3 Wednesday, July 14, 2004 6:12 PM 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. -
Page 4: Names Of Parts (Indoor Unit)
01_ST-NKFL7_EN.fm Page 4 Wednesday, July 14, 2004 6:12 PM Names of Parts (Indoor Unit) INDOOR UNIT SEMI-CONCEALED CONCEALED DUCT NDLP type (standard static pressure) NK2FL type (2-WAY) Water drain Flexible duct (optional) Air outlet (2 locations) Air intake Water drain (2 locations) Canvas duct (optional) - Page 5 01_ST-NKFL7_EN.fm Page 5 Wednesday, July 14, 2004 6:12 PM Names of Parts (continued) INDOOR UNIT CONCEALED DUCT CONCEALED DUCT NDHP type (high static pressure) for 24, 36 & 48 NDHP type (high static pressure) for 76 & 96 Air intake Air intake side side duct duct flange...
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Page 6: Wireless Remote Control Unit (Optional Parts)
01_ST-NKFL7_EN.fm Page 6 Wednesday, July 14, 2004 6:12 PM Wireless Remote Control Unit (Optional parts) Parts Name and Functions B: Transmitter O: Remote control sensor A: ON/OFF operation button C: MODE button D: Temperature setting buttons E: FAN SPEED selector button J: TIMER SET button I: FLAP button K: Time setting buttons... - Page 7 01_ST-NKFL7_EN.fm Page 7 Wednesday, July 14, 2004 6:12 PM Parts Name and Functions (continued) If a separately installed signal receiver is being employed, this button is used F: FILTER button to turn off its filter lamp. When the filter lamp has lighted, first clean the filter, and then press the FILTER button to turn off the filter lamp.
- Page 8 01_ST-NKFL7_EN.fm Page 8 Wednesday, July 14, 2004 6:12 PM Parts Name and Functions (continued) Indicator when swing operation is stopped Fan and heating Cooling and drying During cooling and drying, the flap does not stop at the downward position. Even if the flap is stopped at the downward position during the swing operation, it does not stop until it moves to the third position from the top.
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Page 9: Receiver
01_ST-NKFL7_EN.fm Page 9 Wednesday, July 14, 2004 6:12 PM Receiver The signal receivers with the exception of the separately installed signal receiver are mounted on the indoor units. NKFL type NPFL type Separately installed signal receiver (NDLP, NDHP, NFFL type) NK2FL, NKSFL type NWFL type This section picks up infrared signals from the wireless remote control unit... -
Page 10: Operation
01_ST-NKFL7_EN.fm Page 10 Wednesday, July 14, 2004 6:12 PM Operation NOTE • To warm up the system, the power mains must be turned on at least five (5) hours before operation. • The ST-NDHP76/96 does not have a dry function. STEP 1 To start the air conditioner Press the operation button (ON/OFF button). -
Page 11: Using The Wireless Remote Control Unit
01_ST-NKFL7_EN.fm Page 11 Wednesday, July 14, 2004 6:12 PM Using the Wireless Remote Control Unit This is used to set the operation mode of the indoor units and to set the flaps. Slide switch • Depending on the indoor unit used, the operation display and airflow direction display settings will differ as shown below. - Page 12 01_ST-NKFL7_EN.fm Page 12 Wednesday, July 14, 2004 6:12 PM Using the Wireless Remote Control Unit (continued) • Point the wireless remote control unit’s transmitter at the signal receiver. How to use the wireless If the signal is received properly, a beep is heard. (Two beeps are heard remote control unit only when operation starts up.) •...
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Page 13: Address Settings
01_ST-NKFL7_EN.fm Page 13 Wednesday, July 14, 2004 6:12 PM Address Settings When a multiple number of indoor units that can be operated by the wireless remote control unit have been installed in the same room with a multi-unit or single-unit installation, this button enables addresses to be set in order to prevent the sending of signals to the wrong indoor unit. - Page 14 01_ST-NKFL7_EN.fm Page 14 Wednesday, July 14, 2004 6:12 PM Address Settings (continued) Wireless remote control unit address displays …… * The address switch For positions 1, 2 and 3, set the NKFL type Position of in the operation knob to the left; conversely, for 4, address switch on area may be set to 5 and 6, set the knob to the right.
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Page 15: Emergency Operation
01_ST-NKFL7_EN.fm Page 15 Wednesday, July 14, 2004 6:12 PM Emergency Operation In any of the following events, use the Emergency operation button to operate the air conditioner on a makeshift basis. • When there is no charge remaining in the wireless remote control unit’s batteries •... - Page 16 01_ST-NKFL7_EN.fm Page 16 Wednesday, July 14, 2004 6:12 PM Emergency Operation (continued) Initiate operation using the Emergency operation button in the operation area NWFL type of the indoor unit. Opeartion Set the ON/OFF operation switch to “OFF” first. Then set it to “ON.” If a heat pump is used, the air conditioner initiates a cooling operation when its operation is started up at a room temperature of 24°C or above or it initiates a heating operation when its operation is started up at a room...
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Page 17: Troubleshooting
01_ST-NKFL7_EN.fm Page 17 Wednesday, July 14, 2004 6:12 PM Troubleshooting Check out the following points before requesting service. Trouble Possible Cause Remedy The air conditioner Is the air conditioner in the shutdown mode or Press the wireless remote control unit’s does not run even was the switch operated after a power failure? ON/OFF operation button again. -
Page 18: Wired Remote Control Unit (Optional Parts)
01_ST-NKFL7_EN.fm Page 18 Wednesday, July 14, 2004 6:12 PM Wired Remote Control Unit (Optional parts) Parts Name and Functions • This remote control unit can be used to operate up to eight indoor units. Once the operation settings are made, the units can be operated by simply pressing the ON/OFF operation button. - Page 19 01_ST-NKFL7_EN.fm Page 19 Wednesday, July 14, 2004 6:12 PM Parts Name and Functions (continued) This button is used to turn off the filter sign ( ). When the filter sign appears F: FILTER button on the display, clean the filter, and then press this button to turn off the sign. This button is used only when servicing the air conditioner.
- Page 20 01_ST-NKFL7_EN.fm Page 20 Wednesday, July 14, 2004 6:12 PM Parts Name and Functions (continued) Use this button while the unit is operating to switch between timer settings. J: TIMER SET button The air conditioner stops after a preset time elapses. (OFF Timer) :The air conditioner always stops after a preset time elapses.
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Page 21: Display
01_ST-NKFL7_EN.fm Page 21 Wednesday, July 14, 2004 6:12 PM Display Description A: When the unit is in the heating standby mode, the indicator appears. While this indicator is displayed, the indoor fan turns off or on at low fan speed. B: The currently selected operation mode is displayed. -
Page 22: Operation
01_ST-NKFL7_EN.fm Page 22 Wednesday, July 14, 2004 6:12 PM Operation STEP 1, 6 STEP 2 STEP 3 STEP 4 STEP 5 • To warm up the system, the power mains must be turned on at least five NOTE (5) hours before operation. •... - Page 23 01_ST-NKFL7_EN.fm Page 23 Wednesday, July 14, 2004 6:12 PM Operation (continued) The air conditioner automatically performs heating and cooling operation Automatic heating and cooling based on the difference between the temperature setting and room temperature. All indoor units in the same refrigerant system can be operated with a single group control.
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Page 24: Adjusting The Airflow Direction
01_ST-NKFL7_EN.fm Page 24 Wednesday, July 14, 2004 6:12 PM Adjusting the Airflow Direction The functions differ depending on the indoor unit used. The airflow direction cannot be set using the remote control unit for any unit which is not listed below. - Page 25 01_ST-NKFL7_EN.fm Page 25 Wednesday, July 14, 2004 6:12 PM Adjusting the Airflow Direction (continued) Semi-concealed type 4-way type (NKFL) 2-way type (NK2FL) 1-way slim type (NKSFL) These air conditioners are equipped with auto flaps. You can set the airflow direction to a specific angle or to the sweep mode using the remote control unit.
- Page 26 01_ST-NKFL7_EN.fm Page 26 Wednesday, July 14, 2004 6:12 PM Adjusting the Airflow Direction (continued) Wall mounted type (NWFL) A. Vertical directions (automatic) Confirm that the remote control unit has been turned on. Press the FLAP Indoor unit button to start the flap 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.
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Page 27: Adjusting The Airflow Direction For Multiple Indoor Units Using A Single Remote Control Unit
01_ST-NKFL7_EN.fm Page 27 Wednesday, July 14, 2004 6:12 PM Adjusting the Airflow Direction for Multiple Indoor Units Using a Single Remote Control Unit • The airflow direction cannot be set using the remote control unit for concealed duct type (NDHP, NDLP), and floor standing type (NFFL). •... -
Page 28: Special Remarks
01_ST-NKFL7_EN.fm Page 28 Wednesday, July 14, 2004 6:12 PM Special Remarks ‘‘DRY’’ Operation • Once the room temperature reaches the level that was set, the unit How it works repeats the cycle of 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. -
Page 29: Setting The Timer
01_ST-NKFL7_EN.fm Page 29 Wednesday, July 14, 2004 6:12 PM Setting the Timer • Set the timer during air conditioner operation. Using the timer Recommended usage Display To stop the air conditioner after a preset time OFF timer elapses To always stop the air conditioner after a preset OFF cycle time elapses timer... - Page 30 01_ST-NKFL7_EN.fm Page 30 Wednesday, July 14, 2004 6:12 PM Setting the Timer (continued) How to set the OFF timer ( Example: Stopping the air conditioner after 3.5 hours of operation Operation Indication 1. Press the ON/OFF button once to start the air conditioner. 2.
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Page 31: Care And Cleaning
01_ST-NKFL7_EN.fm Page 31 Wednesday, July 14, 2004 6:12 PM Care and Cleaning 1. For safety, be sure to turn the air conditioner off and also to disconnect the power before cleaning. 2. Do not pour water on the indoor unit to clean it. This will damage the internal components and cause an electric shock hazard. - Page 32 01_ST-NKFL7_EN.fm Page 32 Wednesday, July 14, 2004 6:12 PM Care and Cleaning (continued) How to remove the filter 1. Use a screwdriver to remove the bolt screw on each side for the two 4-way semi-concealed type latches. (Be sure to reattach the two bolt screws after cleaning.) (NKFL): 2.
- Page 33 01_ST-NKFL7_EN.fm Page 33 Wednesday, July 14, 2004 6:12 PM Care and Cleaning (continued) How to remove the filter (continued) 1. Take hold of the finger-hold on the air intake grille and press it to the rear, Ceiling-mounted type (NPFL): and the grille will open downward. 2.
- Page 34 01_ST-NKFL7_EN.fm Page 34 Wednesday, July 14, 2004 6:12 PM Care and Cleaning (continued) Cleaning the drain filter and drain pan Floor standing type (NFFL) 1. Removing the front panel Open the front panel with a lifting motion to detach the latch. 2.
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Page 35: Troubleshooting
01_ST-NKFL7_EN.fm Page 35 Wednesday, July 14, 2004 6:12 PM 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. Trouble Possible Cause Remedy...