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Owner's Manual Original Instructions Split Air Conditioner NDI-07ONF/NDO-07ONF NDI-09ONF/NDO-09ONF NDI-12ONF/NDO-12ONF NDI-18ONF/NDO-18ONF NDI-24ONF/NDO-24ONF Thank you for choosing our product. Please read this Owner’s Manual carefully before operation and retain it for future reference.
Content Operation Notices Precautions......................Parts name ......................6 Screen Operation Guide Buttons on remote controller ................7 Introduction for buttons on remote controller ............7 Function introduction for combination buttons ............9 Replacement of batteries in remote controller .............10 Emergency operation ..................Maintenance Clean and maintenance..................
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Explanation of Symbols Indicates a hazardous situation that, if not avoided, will DANGER result in death or serious injury. Indicates a hazardous situation that, if not avoided, could WARNING result in death or serious injury. Indicates a hazardous situation that, if not avoided, may CAUTION result in minor or moderate injury.
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Precautions WARNING Maintenance must be performed by qualified professionals. Otherwise, it may cause personal injury or damage. Do not repair air conditioner by yourself. It may cause electric shock or damage. Please contact dealer when you need to repair air conditioner. Do not extend fingers or objects into air inlet or air outlet.
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Precautions WARNING Attachment Installation must be performed by qualified professionals. Otherwise, it may cause personal injury or damage. Must follow the electric safety regulations when installing the unit. According to the local safety regulations, use qualified power supply circuit and circuit break. Do install the circuit break.
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Precautions WARNING Do not put through the power before finishing installation. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube.
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Precautions WARNING For the air conditioner with plug, the plug should be reachable after finishing installation. For the air conditioner without plug, an circuit break must be installed in the line. If you need to relocate the air conditioner to another place, only the qualified person can perform the work.
Parts Name air inlet Indoor Unit panel aux.button horizontal louver air outlet temp. indicator power indicator receiver window (Display content or position may t i s d f i ferent from above remote controller graphics, please refer to actual products) graphics, please refer to actual products) Outdoor Unit air inlet...
Buttons on remote controller On/Off button Mode button Fan button ▲/ button Swing button Sleep button Temp button Turbo button I Feel button Timer button X-Fan button Light button Introduction for buttons on remote controller Temp. display type :Set temp. :Indoor ambient temp.
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Introduction for buttons on remote controller Note: ● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status.
Introduction for buttons on remote controller Temp button Press this button, you can see indoor set temperature, indoor ambient temperature on indoor unit’s display. The setting on remote controller is selected circularly as below: no display Note: ● Outdoor temperature display is not available for some models. At that time, indoor unit receives "...
Function introduction for combination buttons Combination of "MODE" and " " buttons: About switch between Fahrenheit and centigrade At unit OFF, press "MODE" and " " buttons simultaneously to switch between Combination of "TEMP" and "TIMER" buttons: About Energy-saving Function Press "TEMP"...
Clean and Maintenance WARNING ■ Turn off the air conditioner and disconnect the power before cleaning the air conditioner to avoid electric shock. ■ Do not wash the air conditioner with water to avoid electric shock. ■ Do not use volatile liquid to clean the air conditioner. ■...
Malfunction analysis General phenomenon analysis Please check below items before asking for maintenance. If the malfunction still Phenomenon Check items Solution ● Whether it's interfered severely ● Pull out the plug. Reinsert (such as static electricity, stable the plug after about 3min, and voltage)? then turn on the unit again.
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Malfunction analysis Phenomenon Check items Solution ● Power failure? ● Wait until power recovery. ● Is plug loose? ● Reinsert the plug. ● Air switch trips off or fuse is ● Ask professional to replace burnt out? air switch or fuse. Air condit- ●...
Safety precautions for installing and relocating the unit To ensure safety, please be mindful of the following precautions. Warning When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant. Any presence of air or other foreign substance in the refrigerant circuit will cause system pressure rise or compressor rupture, resulting in injury.
Requirements for electric connection Safety precaution 1. Must follow the electric safety regulations when installing the unit. air switch. 3. Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring or malfunction. Please install proper power supply cables before using the air conditioner.
Installation of indoor unit Step one: choosing installation location rm it with the client. Step two: install wall-mounting frame 1. Hang the wall-mounting frame on the wall; adjust it in horizontal position with the plastic expansion particles in the holes. 3.
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Installation of indoor unit Indoor outdoor Note: ● Pay attention to dust prevention and take relevant safety measures when Φ55/ opening the hole. 5-10° Φ70 Step four: outlet pipe 1. The pipe can be led out in the 2. When select leading out the pipe direction of right, rear right, left or from left or right, please cut off the rear left.
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Installation of indoor unit Step six: install drain hose Connect the drain hose to the outlet pipe of indoor unit. drain hose outlet pipe Bind the joint with tape. drain hose outlet pipe tape Note: drain hose ● Add insulating pipe in the indoor drain hose in order to prevent condensation.
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Installation of indoor unit 4. Put wiring cover back and then tighten the screw. 5. Close the panel. Note: ● All wires of indoor unit and outdoor unit should be connected by a professional. for a new one. Avoid extending the wire by yourself. installation.
Installation of indoor unit upper hook outdoor indoor wall pipe sealing gum lower hook of wall-mounting frame Note: ● Do not bend the drain hose too excessively in order to prevent blocking. Installation of outdoor unit (select it according to the actual installation situation) 1.
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Installation of outdoor unit Step three: connect indoor and outdoor pipes 1. Remove the screw on the right han- 3. Pretighten the union nut with dle of outdoor unit and then remove hand. the handle. pipe joint screw yellow- green union nut handle 2.
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Installation of outdoor unit 2. Fix the power connection wire and signal control wire with wire clip (only for cooling and heating unit). Note: ● Never cut the power connection wire to prolong or shorten the distance. Step five: neaten the pipes 1.
Vacuum pumping Use vacuum pump 1. Remove the valve caps on the liquid valve and gas liquid valve piezometer valve and the nut of refri- gas valve gerant charging vent. refrigerant charging 2. Connect the charging hose valve cap vent of piezometer to the refri- gerant charging vent of gas nut of refrigerant...
Check after installation Items to be checked Possible malfunction The unit may drop, shake or emit noise. Have you done the refrigerant leakage test? (heating) capacity. It may cause condensation and water dripping. It may cause condensation and water Is water drained well? dripping.