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Contents

QUESTIONS OR COMMENTS COUNTRY CALL OR VISIT US ONLINE AT IRAN Usermanual/Installation manual AR✴✴KRFN✴✴, AR✴✴KQFN✴✴ AR✴✴MRFN✴✴, AR✴✴MQFN✴✴ DB68-06042A-02 Contents Safety Information At a Glance Power Smart Features Energy-SavingFeatures Indoor Unit Installation Step 2.1 Disassembling the cover panel Step 2.2 Disassembling the installation plate Step Connecting the cables (assembly cable) Safety Information FOR INSTALLATION FOR POWER SUPPLY •Do not use a ventilating fan •A spark may result in an explosion or fire To reinstall the air conditioner, please contact your nearest service centre Do not touch the circuit breakerwith wet hands •This may result in electric shock •Water dripping from the indoor unit may result in fire or property damage •Failing to do so may result in injury, death or property damage •This may result in electric shock, fire, problems with the product, or injury Do not operate the appliance with wet hands •The water may be harmful to humans Page Indoor Unit Overview Glance a At Remote Control Overview Remote Control Operation Vertical air flow Horizontal air flow (manual) Cooling Operation Features Smart Power Dehumidifying Operation Heating Operation Quick Smart Features Fast function Comfort function Select Comfort ► •You can change the set temperature and the air flow direction •You cannot change the fan speed If you select the Comfort function while such functions as Energy-SavingOperation Features Saving-Energy Timed on/Timed off function good’sleep function In the Cool or Heat mode ► (Select among On, Off, and .) Cleaning at a Glance Running Auto clean Cleaning the indoor unit exterior and outdoor unit heat exterior Maintenance and Cleaning Cleaning the filter ventilated area.Cleaning andMaintenance Troubleshooting • When the Auto, Dry, or Fast mode is running or the good'sleep function is running in the Cool mode, the air conditioner controls the fan speed fan speed automatically and you cannot change the fan speed • Replace the batteries in the remote control with new ones Technical Specifications and Page 20000 Btu/h AR18MQFNEWK/MG Page Safety Information on Installation General information Installation of the unit Installation Power supply line, fuse, or circuit breaker Preparation Step1.1 Choosing the installation location Step1.2 Packing and Unpacking indoor unit Outdoor unit Page Accessories in the outdoor unit package Rubber leg (4) Tools General tools •Vacuum pump Step1.5 Taping the pipes, cables, and drain hose Indoor Unit Installation Step 2.3 Connecting the cables (assembly cable) •Tighten the terminal block screw to 1.2-1.8N•m (1.2-1.8kgf•cm) •Each wire is labelled with the corresponding terminal number •Use shield cable (Category 5; less than 50pF/m) for noisy environmental site •Power & Communication cable shall not exceed 30m Step 2.4 Optional: Extending the power cable 1Prepare the following tools •Peel off 20 mm of the wire shields from the preinstalled tube •After peeling off the tube wire, you must insert a contraction tube •The compression dimension should be pressing socket ––Incomplete wire Step 2.5 Installing and connecting the drain hose 1Install the drain hose 2Pour water into the drain pan. Check whether the hose is well drained Step 2.7 Optional: Changing the direction of the drain hose There are 2 refrigerant pipes of different diameters: •The smaller one is for the liquid refrigerant •The larger one is for the gas refrigerant Step 2.9 Shortening or extending the refrigerant pipes (assembly pipe) Step 2.10 Fixing the installation plate You can install the indoor unit on a wall, window frame, or gypsum board Tighten the flare nut at the specified torque. If the flare nut is When fixing the indoor unit on a wall When fixing the indoor unit on a window frame 1Use stud finder to find out locations of the studs 2Fix the plate hanger on two studs •Fix the installation plate without inclining to one side Step 2.11 Fixing the indoor unit to the installation plate Step 2.12 Assembling the cover panel Outdoor Unit Installation 1Leave the system in the standby mode Step 3.3 Evacuating the air of cooling capacity and malfunction. Use a vacuum pump 3Open the valve of the low pressure side of manifold gauge anticlockwise •Close the valve of the low pressure side of manifold gauge clockwise •Turn off the vacuum pump •Check for 2 minutes if there is any pressure change •Remove the hose of the low pressure side of manifold gauge Installation Inspection Step 4.1 Performing the gas leak tests 2Insert inert gas into the pipes connected to indoor and outdoor units Step 4.2 Running the Smart Install mode 1Make sure that the air conditioner is in the standby status Page Step 4.3 Performing final check and trial operation 1Check the following: •Strength of the installation site •Electric wiring connection •Heat-resistantinsulation of the pipe