Safety Precautions Keep this installation manual together with the user’s manual in a handy place so that you can find it whenever you need to see it after reading this manual thoroughly. Make sure to read the following safety precautions carefully before installation. ...
Page 3
WARNING This indicates the possibility of serious injury or death. The unit should be installed in Check if the voltage and the Do not attempt to repair, accordance with the National frequency of the main power move, modify or reinstall Electrical regulations.
REPARING FOR NSTALLATION Choosing the Installation Location Indoor Unit Outdoor Unit Where airflow is not blocked Where it is not exposed to strong wind Where cool air can be distributed throughout the room Well ventilated and dustless places ...
Page 5
REPARING FOR NSTALLATION Choosing the Installation Location(Continued) Space Requirements for Outdoor Unit When installing 1 outdoor unit Unit : mm W hen the air outlet is opposite the wall W hen the air outlet is towards the wall ...
Page 6
REPARING FOR NSTALLATION When installing more than 1 outdoor unit Unit : mm When the air outlet is towards the wall 300 or more 600 or more 600 or more 600 or more When 3 sides of the outdoor unit are blocked by the wall 300 or more 600 or more 600 or more...
REPARING FOR NSTALLATION Accessories The following accessories are supplied with the air conditioner: The number of each accessory is indicated in parentheses. Accessories in the Indoor Unit Case Installation Plate (1) Remote Control (1) Remote Control (1) F/NS VB Batteries for User’s Manual (1) Installation Manual (1)
NSTALLING THE IR CONDTIONER Fixing the Installation Plate Before fixing the installation plate to the wall or window frame, you must determine the position of the 65mm hole through which the cable, pipe and hose pass to connect the indoor unit to the outdoor unit. When facing the wall, the pipe and cable can be connected from the: Right ...
NSTALLING THE IR CONDTIONER Installing and Connecting the Assembly Pipe of the Indoor Unit Connect indoor and outdoor units with field-supplied copper pipes by means of flare connections. Use insulated seamless refrigeration grade pipe only, (Cu DHP type according to ISO1337), degreased and deoxidized, suitable for op- erating pressures of at least 4200 kPa and for burst pressure of at least 20700 kPa.
NSTALLING THE IR CONDTIONER Cutting or Extending the Pipe A 5-meter pipe is supplied with the air conditioner. (optional) The length of the pipe can be: Extended up to 15( 09/12 )/30( 18/24 ) meters Shortened as required ...
NSTALLING THE IR CONDTIONER Installing and Connecting the Drain Hose of the Indoor Unit When installing the drain hose for the indoor unit, check if condensation draining is adequate. When passing the drain hose through the 65-mm hole drilled in the wall, check the following: less Ditch Do NOT place the end...
NSTALLING THE IR CONDTIONER Changing Direction of the Drain Hose You can select the direction of the drain hose, depending on where you want to install the indoor unit. Detach the rubber cap with the flyer. Screws hole Screw Detach the drain hose by pulling it and turning to the left. Drain hose Insert the drain hose by fixing it into the groove of the drain hose and the outlet of the drain pan.
NSTALLING THE IR CONDTIONER Connecting the Assembly Cable When you install the unit, make first refrigerant connections and then elec- trical connections. Connect the air conditioner to grounding system before performing the electrical connection. If unit is uninstalled first disconnect electrical cables, then refrigerant connections.
OMPLETING THE NSTALLATION Purging the Connected Pipes The outdoor unit is loaded with sufficient R410A refrigerant.Do not vent R410A into atmosphere: it is a fluorinated greenhouse gas, covered by Kyoto Protocol, with a Global Warming Potential (GWP) = 1975. You should purge the air in the indoor unit and in the pipe. If air remains in the refrigerant pipes, it affects the compressor.
OMPLETING THE NSTALLATION Purging the Connected Pipes(Continued) Adding Refrigerant Add refrigerant charge according to table below: Model If you use a pipe... Then... AQ09/12VBC 'A'g of refrigerant R410A must AQ09/12NSB longer than 5 meters, be added for each extra metre. AQ09/12FC...
OMPLETING THE NSTALLATION Performing the Gas Leak Tests Make sure to check for gas leaks before completing the installation process (connecting the assembly pipe and hose between indoor unit and outdoor unit, insulating the cables, hose and pipe, and fixing the indoor unit to the installa- tion plate) To check for gas leaks on the...
OMPLETING THE NSTALLATION Fixing the Indoor Unit in Place After checking for gas leaks in the system, insulate the pipe, hose and cables. Then place the indoor unit on the installation plate. To avoid condensation problems, place heat-resistant polyethylene foam separately around each refrigerant pipe in the lower part of the indoor unit.
OMPLETING THE NSTALLATION Final Check and Trial Operation To complete the installation, perform the following checks and tests to ensure that the air conditioner operates correctly. Check the following: Strength of the installation site Tightness of pipe connection to detect gas leak ...