Summary of Contents for Andersen Electric NORDIC 1421
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NORDIC – WALL SPLIT Manual for installation and operation of air conditioners IMPORTANT NOTE: Read this manual before operation and installation. The air-to-air heat pump must be installed correctly by an authorised electrical engineer in accordance with Danish legislation - including the Danish Executive Order on High Voltage Appliances (Stærk- strømsbekendtgørelsen) and the EU Machinery Directive.
Safety .......................3 Specifications and features ..............7 LED screen - indoor unit ................8 Automatic restart and emergency button ..........9 Device specifications and features ............10 Adding coolant ..................15 Before installing ..................16 Installation - Indoor unit ................18 Installation - Outdoor unit ................22 Information for the installation engineer ..........24 Maintenance ....................28 Troubleshooting ..................29 www.andersen-electric.com...
Safety The severity of potential property damage or personal injury is classified as either WARNING! or CAUTION! CAUTION! This indicates that there is a risk of damage to equip- ment or other serious consequences. WARNING! This symbol indicates the possibility of personal injury or loss of life.
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Safety • Avoid extended direct exposure to doors or windows open, or if the cold air from the air conditioner. humidity level is very high. • If the air conditioner is to be used with gas burners or other heating appliances, the room must be thoroughly ventilated in order to avoid lack of oxygen in the room.
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Safety controller card cover properly can • Moving and relocation of the air lead to corrosion, heating of the conditioner must be carried out by connection points on the terminal, an authorised refrigeration engi- ignition or electric shock. neer. • Install drainage pipes in accord- Installation warnings ance with the instructions in this •...
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Safety CAUTION! EU guidelines for disposal Fluorinated gases The label on the product or its • This air conditioner contains fluor- accompanying documentation indi- inated greenhouse gases. For cates that electrical and electronic specific information on the type equipment must not be mixed with and volume of gas, please refer to general household waste.
Specifications and features CAUTION: The illustrations in this manual are for explanatory purposes only. Indoor unit Front panel Air filter Air filter Classification marking Terminal box cover Air direction LED screen/ Deflectors lamellae (slats) Signal receiver Deflector manual control Classification Remote control marking Outdoor unit...
LED screen - indoor unit Symbol Function This symbol appears when the device is switched on SLEEP mode indicator Temperature display - Illuminates when the timer is on and the air conditioner is running Error Code - Displays the technical error code in the event of a malfunction. TIMER mode indicator The temperature shown on the inside of the heat pump is the desired tempera- ture that the heat pump is trying to achieve.
Automatic restart and emergency button Automatic restart function Emergency button The air conditioner is preconfigured for If the remote control does not work or the automatic restart function. In the needs maintenance: event of a sudden power failure, the Open and lift the front panel at an an- unit remembers the settings from be- gle where you can reach the emergen- fore the power failure.
Device specifications and features Airflow swing control The air sucked out of the fan comes from the grate and flows through the • The air exhaust flow is distributed filter. It is then cooled/dehumidified or around the room evenly. heated up by the heat exchanger. •...
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Device specifications and features HEAT mode The heating function enables the air conditioner to heat the room. To activate the heating function, press and hold the MODE button until the Movement (HEAT) symbol appears. Deflectors of lamellae Lamellae Set the temperature higher than the (slats) room temperature using the button.
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Device specifications and features TIMER mode - On DRY mode For setting the time on the air condi- This function reduces humidity and tioner. makes the room more comfortable to When programming the automatic be in. switch-on time, the device must be When setting DRY mode, press and switched off.
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Device specifications and features To optimise the function of the air conditioner, adjust the temperature (±2°C only), speed (FAN) and airflow direction ( SLEEP mode To activate SLEEP mode in the air conditioner, press the OPTION button on the remote control and select SLEEP, is displayed on the screen.
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Device specifications and features Operating temperature If your air conditioner is used outside of the following temperature ranges, certain safety features may be activated and in some cases the unit may be switched off. COOL mode HEAT mode DRY mode Room temperature <...
Adding coolant Caution: adding coolant Some systems need to be additionally filled with coolant, depending on pipe lengths. Standard pipe length varies Be careful not to mix coolant types. according to local regulations. Coolant should be refilled via the service hatch on the outdoor unit’s low pressure valve.
NOTE - May only be installed by an authorised refrigeration engineer! Before installing Near doorways Before installing In a location with direct sunlight Before installing the indoor unit, please refer to the label on the box to ensure that the model number of CAUTION: When choosing a the indoor unit matches the model location for installation, make sure...
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NOTE - May only be installed by an authorised refrigeration engineer! Before installing Select installation location - Refer to the following diagram to Outdoor unit ensure the correct distance from walls and ceilings where applicable: The outdoor unit must not be in- stalled near sources of heat or steam or flammable gas.
NOTE - May only be installed by an authorised refrigeration engineer! Installation - Indoor unit Nordic 9000 The air conditioner must not be installed in a wet room, such as bathroom or utility room etc. Installing the installation plate Nordic 12000 1.
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NOTE - May only be installed by an authorised refrigeration engineer! Installation - Indoor unit Electrical connections - Indoor unit 1. Open the front panel. 2. Remove the plate as shown in the Front panel picture (by unscrewing). 3. For electrical connections, please Wiring diagram refer to the circuit diagram on the right-hand side of the unit below the...
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NOTE - May only be installed by an authorised refrigeration engineer! Installation - Indoor unit Cooling pipe connection The pipework can run in three direc- tions, indicated by numbers in the picture. If the pipework is running in direction 1 or 3, make a notch along the groove on the side of the indoor unit with a cutter.
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NOTE - May only be installed by an authorised refrigeration engineer! Installation - Indoor unit Draining condensate in indoor unit Draining condensate in the indoor unit is extremely important for successful installation. 1. Place the drain hose under the pipes, being careful not to “lock” the water inside.
NOTE - May only be installed by an authorised refrigeration engineer! Installation - Outdoor unit Installation Draining condensate in outdoor unit The outdoor unit must be installed on a solid wall and securely fas- Condensation and ice that form in the tened, or placed on a solid surface outdoor unit during heating can be on rubber feet.
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NOTE - May only be installed by an authorised refrigeration engineer! Installation - Outdoor unit Electrical connections 1. Remove the handle on the right- hand side of the outdoor unit. Wiring diagram on rear side of cover 2. Connect the power cable to the ter- minal board.
NOTE - May only be installed by an authorised refrigeration engineer! Information for the installation engineer Inspecting coolant pressure The low pressure range for coolant R32 is 0.8-1.2 MPa and the high pressure range is 3.2-3.7 MPa. This means that the cooling system or the cooling of an air conditioner is abnor- mal if the low or high pressure range of the registered compressor exceeds the...
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NOTE - May only be installed by an authorised refrigeration engineer! Information for the installation engineer Removing air and moisture 3. Attach the pipes to the wall (after insulating with insulating tape) using Air and moisture that is left in the cool- clamps, or fasten in plastic trunking.
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NOTE - May only be installed by an authorised refrigeration engineer! Information for the installation engineer MODEL 1421, 1422 1423 Pipe length with standard fill Maximum distance between indoor 20 m 20 m and outdoor unit Extra coolant fill 15 g/m 25 g/m Max.
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NOTE - May only be installed by an authorised refrigeration engineer! Information for the installation engineer Wiring diagram Refer to the wiring diagrams found on the indoor and outdoor units respec- tively. On the indoor unit, the wiring diagram is located below the front panel. On the outdoor unit, the wiring diagram is located on the back of the outer handle cover.
Maintenance Periodic maintenance is extremely Seasonal maintenance important for maintaining the efficiency 1. Switch off the automatic contact or of the air conditioner. remove the plug. Disconnect the power supply before 2. Clean and replace the filters. carrying out maintenance. 3.
Troubleshooting Malfunction Possible causes The device is not working Power failure. Damaged fan motor in indoor/outdoor unit. Defective thermomagnetic compressor switch. Defective protective device or defective fuses. Loose connections. Sometimes stops protecting the device. Voltage higher or lower than voltage range. Active TIMER-ON function.
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Troubleshooting Malfunction Possible causes The device is not responding The remote control is not close enough to the to commands indoor unit. The battery in the remote control may be dead. Obstacles between remote control and signal receiver inside indoor unit. Screen is switched off Active LED function Power failure...
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Code Cause Code Cause Fault in infrared sensor for customer testing. IDU and ODU communication errors (IDU error) Fault in IDU room temperature sensor. IDU RT Fault in power test module. (IDU error) fault PROTECTION against faults in drainage tem- Fault in temperature sensor in IDU coil.
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Subject to printing errors. Subject to change without notice. See the latest version at www.andersen-electric.com Saltebakken 29, DK-9900 Frederikshavn. Tel. +45 7020 4043, www.andersen-electric.com...
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