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Summary of Contents for Samsung NS026NHXEA
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Page 2: Table Of Contents
Contents ..........3 ... -
Page 3: Safety Precautions
You must install the product by qualified installer. If you install the product on your own or by unqualified person, Samsung is not responsible for any damages which may occur due to incorrect installation. Make sure to read the following safety precautions carefully before installation. - Page 4 Safety Precautions (Continued) WARNING Stop the compressor before disconnecting the refrigerant pipe for pump-down operation. If you disconnect the refrigerant pipe while compressor is operating with service valve open, air inflow will cause excessive pressure in the refrigerant cycle that could lead to explosion and personal injury.
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Page 5: Preparing For Installation
Choosing the Installation Location Indoor Unit Where airflow is not blocked Where cool air can be distributed throughout the room Install the refrigerant piping length and the height difference of both indoor and outdoor units as indicated in the installation diagram ... -
Page 6: Accessories
REPARING FOR NSTALLATION Accessories The following accessories are supplied with the air conditioner: Note The number of each accessory is indicated in parentheses. Accessories in the Indoor Unit Case Remote Control (1) Installation Plate (1) The following connection accessories are optional. If they are not supplied, you should obtain them before installing the air conditioner. -
Page 7: Nstalling The
Fixing the Installation Plate You can select the direction of the drain hose depending on where you want to install the indoor unit. Therefore before fixing the installation plate to a wall or a 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. -
Page 8: Connecting The Assembly Cable
NSTALLING THE IR CONDTIONER Connecting the Assembly Cable Screw Unfasten Torque 17~30 20~35 Connecting the 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. - Page 9 Connect the cables to the terminals as seen in the picture. Note Each wire is labeled with the corresponding terminal number. Indoor unit Indoor unit Outdoor unit Outdoor unit CAUTION End of the wire must be circular. After connecting the cables, make sure terminal numbers on the indoor/outdoor unit matches.
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Page 10: Installing And Connecting The Assembly Pipe Of The Indoor Unit
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. -
Page 11: Purging The Indoor Unit
Purging the Indoor Unit The indoor unit is supplied with inert gas (nitrogen). Before installing the unit, check if nitrogen gas flow out of indoor unit. If this one isn’t true, DO NOT INSTALL THE UNIT since leakage could be inside the indoor unit. -
Page 12: Cutting Or Extending The Pipe
NSTALLING THE IR CONDTIONER Cutting or Extending the Pipe Pipe cutter Pipe Pipe Flare Flare nut Indoor outlet pipe Connecting pipe Make sure that you have all the required tools (pipe cutter, reamer, flaring tool and pipe holder). If you want to shorten the pipe, cut it using a pipe cutter, ensuring that the cut edge remains at 90°... -
Page 13: Installing And Connecting The Drain Hose Of The Indoor Unit
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 followings: Wall Indoor unit Drain hose... -
Page 14: Changing Direction Of The Drain Hose
NSTALLING THE IR CONDTIONER Changing Direction of the Drain Hose Screw hole Screw Drain hose Drain pan outlet Rubber cap <Pour the water in direction of arrow> Direction of the drained water Change the direction only when it is necessary. Detach the rubber cap with the flyer. -
Page 15: Assigning Address To Indoor Unit
Assigning Address to Indoor Unit Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan. Open the front grille by pulling on the tabs on the lower right and left sides of the indoor unit. -
Page 16: Completing The Installation
OMPLETING THE NSTALLATION Fixing the Indoor Unit in Place Perform the following work on the area where gas leak test was done priorly. <Figure A> Insulation Pipes Installation plate Connecting Vinyl tape pipes Connecting wires Drain hose After checking for gas leaks in the system, insulate the pipe, hose and cables. Then place the indoor unit on the installation plate. -
Page 17: Final Check And Trial Operation
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 followings: Strength of the installation site Tightness of pipe connection to detect gas leak ... -
Page 18: Providing Information For User
OMPLETING THE NSTALLATION Providing Information for User After finishing the installation of the air conditioner, explain the followings to the user: How to start and stop the air conditioner How to select the modes and functions How to adjust the temperature and the fan speed How to adjust the airflow direction How to set the timers How to clean and replace the filters... - Page 21 INSTALLATION MANUAL NSNHXEA Series Commercial-Split Type Room Air Conditioner (Cooling and Heating) F I P D G DB98-31943A(1)