sensor failure/Compressordischarging temp. sensor abnormalSensor broken down or short circuit for more than 2m continuously 572(48H) 10DOver-current protectionCT check abnormal 3 times in 30m 683(53H) 14DHigh/Low pressure abnormalHigh pressure switch acts 3 times in 30m/Low pressure switch actsin normal running 771(47H) 22DPower supply abnormalFault phase, short of phase, out of balance greatly 807(07H) 06DCommunication between wiredcontroller and indoor abnormalCommunication abnormal for more than 4m continuously 906(06H) 06DCommunication between indoor and outdoor abnormalCommunication abnormal for more than 4m continuously 1008(08H) 21DDrainage system abnormalFloat switch broken down for more than 25m continuously 1111(0BH) 30DOutside alarm signal inputOutside signal broken down for more than 10s 1203(03H) 20DGas pipe temp. sensor abnormalSensor broken down or short circuit for more than 2m continuously 1313(0DH) 31DTemperature protection malfunctionSolenoid valve act incorrectly 3 times continuously 1505(05H) 17DEEPROM abnormalEEPROM data missing 1780(50H) 15DCompressor overheatThe discharging temperature is higher than 120degreeResumable iflower than100 degree 1812(0CH) 23DAbnormal modeIndoor operation mode is different with the running indoor unit. 1975(4BH) 18DOutdoor coil B(suction temp sensor-for MRV II) Sensor broken down or short circuit for more 20 77(4DH) 15DOutdoor discharging B(oil temp sensor-for MRV II) Sensor broken down or short circuit for shows resumable fault, * shows 17 Customer Need-to-know Customer Need-to-know Please install the air conditioner according to the requirements specified in this manual to ensure the air conditioner work well. Be careful not to scratch the surface of the case during moving the air conditioner. Please keep the installation manual for future reference when maintenance and changing installation place. After installation ,please use the air conditioner according to the specification in the operation manual. Using Directions Adjust suitable airflow direction Avoid direct sunlight and airflow Keep the proper indoor temperature. Too cool or hot is not good for your health. Furthermore,it will result in excessive consumption of electric power. Optimal temperature Effectively use timer. Using TIMER mode, you can make the room temperature reach a suitable temperature when you wake up or back home. 18 Installation Procedure CAUTIONS: To ensure proper installation, read "Cautions" carefully before working. After installation, start the unit correctly and show customers how to operate and maintain the unit. Meanings of Warning and Cautions: Warning! Serious injury or even death might happen, if it is not observed. Caution! Injury to people of damages to machine might happen, if it is not observed. WARNING! Installation shall be done by professional people, don't install unit by yourself. Incorrect installation will cause water leakage, electric shock or fire. Install unit as per the Manual. Incorrect installation will cause water leakage, electric shock or fire accident. Be sure to use specified accessaries and parts. Otherwise, water leakage, electric shock, fire accident or unit falling down may happen. Unit should be placed on a place strong enough to hold the unit. Or, unit will fall down causing injuries. When install the unit, take in consideration of storms, typhoom, earthquake. Incorrect installation may cause unit to fall down. All electric work shall be done by experienced people as per eocal code, regulations and this Manual. Use exclusive wire for the unit. Incorrect installation or undersized electric wire may cause electric shock or fire accident. All the wires and circuit shall be safe. Use exclusive wire firmly fixed. Be sure that external force will not affect terminal bolck and electric wire. Poor contact and installation may cause fire accident. Arrange wire correctly when connectin indoor and outdoor power supply. Fix terminal cover firmly to avoid overheat, electric shock or even fire accident. In case retrigerant leakage occurred during unit installation, keep a good ventilation in the room. Poisonous gas will occur when meet with fire. Check the unit upon installation. Be sure there is no leakage. Refrigerant will induce poisonous gas when meet heat source as heater, oven, etc. Cut power supply before touching terminal bolck. CAUTION! Unit shall be grounded. But grounding shall not be connected to gas pipe water pipe, telephone line. Poor grounding will cause electric shock. Be sure to install a leakage breaker to avoid electric shock. Earthing Arrange water drainage according to this Manual. Cover pipe with insulation materials in case dew may occur. Unproper installation of water drainage will cause water leakage and wer your furniture. To maintain good picture or reduce noise, keep at least 1 m from T.V. radio, when install indoor and ou tdoor unit, connecting wire and power line. (If the radio wave is relatively strong, 1 m is not enough t...

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