User manual LG MT10AH

[. . . ] Just a little preventive care on your part can save you a great deal of time and money over the life of your product. You'll find many answers to common problems in the chart of troubleshooting tips. If you review our chart of Troubleshooting Tips first, you may not need to call for service at all. PRECAUTION · Contact the authorized service technician for repair or maintenance of this unit. · Contact the installer for installation of this unit. [. . . ] · Otherwise it can be harmfull for your health. Dismantling the unit, treatment of the refrigerant oil and eventual parts should be done in accordance with local and national standards. Do not expose your skin or kids or plants to the cool or hot air draft. Use a firm stool or ladder when cleaning, maintaining or repairing the product at an height. · Be careful and avoid personal injury. · This could harm to your health. Owner's Manual 5 Product Introduction Product Introduction Typical Installation Scene 1 3 2 Water Inlet Water Outlet 4 5 1. Refrigerant pipe and connecting cable 4. Ground wire to ground outdoor unit to prevent electrical shocks. *The shape of products can be chaged according to the model capacity and type. 6 Air-to-Water Heat Pump Product Introduction Control Panel 1 ENGLISH 2 3 4 5 6 7 8 9 10 11 12 13 1. Direction button (Up, Down, Left, Right) 8. Set/Clear button Some functions may not be operated and displayed depending on the model. Owner's Manual 7 Owner's instruction Owner's Instruction Monitoring Information Electric Heater STEP ONE Electric Heater STEP TWO These icons indicate that the backup electric heater which is located inside the indoor unit is operating. Sanitary Water Tank heater This icon indicates that sanitary water tank electric heater which is located inside sanitary water tank is active. The icon is not used when sanitary water tank is not installed. Water Pump This icon indicates that the water pump inside the indoor unit is active. AUXILIARY SOLAR THERMAL PUMP This icon indicates that auxiliary solar thermal pump is active. NOTE : As installation of auxiliary solar thermal pump is not compulsory but recommendation according to field condition, this icon can be seen although no auxiliary solar thermal pump is installed. Defrosting This icon indicates that the defrost mode is active. In space heating operation or sanitary water tank heating operation, freezing of the outdoor heat exchanger may be occured due to low outdoor temperature and humidity. If this risk occurs, the product goes into defrost operation. It reverses the cycle and takes heat from the indoor system to prevent freezing of the outdoor system. (the segment flashing) ENGLISH Press up, down button to adjust the reservation time. If you finish the setting, press setting/cancel button to complete programming Press exit button to exit or system will automatically release without any input after 25 seconds. Programming : Setting Sleep Reservation You can easily turn-off(sleep) reservation. (ONLY enable when unit is operating. ) 1 2 3 4 Press programming button to enter the Programming mode. Repeat pressing button to select [sleep reservation]. (the segment flashing) Press up, down button to adjust the reservation time. If you finish the setting, press setting/cancel button to complete programming. Press exit button to exit or system will automatically release without any input after 25 seconds. Owner's Manual 17 Owner's instruction Programming : Setting ON Reservation This function is able to turn-on after a setting time. 1 2 3 4 5 6 7 8 Press programming button to enter the Programming mode. Repeat pressing button to select [on reservation]. (the segment flashing) Press up, down button to adjust AM/PM. Press right button to move to "Hour" part. (the "Hour" segment will be flashed) Press up, down button to adjust the Hour. Press right button to move "Minute" part. (the "Minute" segment will be flashed) Press up, down button to adjust the Minute. If you finish the setting, press setting/cancel button to complete programming. Press exit button to exit or system will automatically release without any input after 25 seconds. 18 Air-to-Water Heat Pump Owner's instruction Programming : Setting OFF Reservation This function is able to turn-off after a setting time. 1 2 3 4 5 6 7 8 Press programming button to enter the Programming mode. Repeat pressing button to select [off reservation]. (the segment flashing) Press up, down button to adjust AM/PM. ENGLISH Press right button to move to "Hour" part. (the "Hour" segment will be flashed) Press up, down button to adjust the Hour. Press right button to move "Minute" part. (the "Minute" segment will be flashed) Press up, down button to adjust the Minute. If you finish the setting, press setting/cancel button to complete programming. Press exit button to exit or system will automatically release without any input after 25 seconds. Owner's Manual 19 Owner's instruction Programming : Weekly Reservation The weekly reservation is active after setting current time. 1 2 3 4 5 6 7 8 Press programming button to enter the Programming mode. [. . . ] It turns on / off according to the thermostat signal. · Following features are NOT permitted in emergency operation : Operating mode (cooling/ heating/ weather-dependent) selection Time scheduling SET TEMP button Silent operation On / Off · Duplicated trouble : Option trouble with Slight or Heavy trouble - If option trouble is occurred with slight (or heavy) trouble at the same time, the system puts higher priority to slight (or heavy) trouble and operates as if slight (or heavy) trouble is occurred. - Therefore, sometimes sanitary water heating can be impossible in emergency operation mode. When sanitary water is not warming up while emergency operation, please check if sanitary water sensor and related wiring are all Ok. · Emergency operation is not automatically restarted after main electricity power is reset. - In normal condition, the product operating information is restored and automatically restarted after main electricity power is reset. [. . . ]