Samsung AR**HS Installation Manual

Contents

21EnglishInstallationStep 4.1 Performing the gas leak tests1 Before inspecting the leakage, use a torque wrenchto close the cap for the stop valve. (Comply with atightening torque for each size of the diameter, andtighten the cap firmly to prevent any leakage.)2 Insert inert gas into the pipes connected to indoor andoutdoor units.3 Test leakage on the connection parts of the indoor andoutdoor units with soap lather or liquid.Step 4.2 Running the Smart InstallmodeIf using a multi system, this function is not supported.1 Make sure that the air conditioner is in the standbystatus.2 Hold down the (Power), (Mode), and (SET)buttons on the remote control simultaneously for 4seconds.3 Wait until Smart Install mode succeeds or fails. It takesapproximately 7 to 13 minutes.• While Smart Install mode is proceeding:Type Display LED DisplayIndoorunitindicatorLED1LED2LED3The progressis displayedas a numberbetween 0and 99 on theindoor unitdisplay.The LEDs on theindoor unit displayblink in sequence,then all of them blinksimultaneously. Theseoperations repeat.• When Smart Install mode succeeds: Smart Installmode ends with ringing sound, and the airconditioner is in standby status.• When Smart Install mode fails: An error messageis displayed on the indoor unit display, and SmartInstall mode ends.NOTE• Smart Install mode can be operated only with thesupplied remote control.• During the Smart install mode procedure, remotecontrol cannot be operated.Installation InspectionOuter diameter(mm)Tightening torqueBody cap(N•m) Charging port cap (N•m)ø 6.35 20 to 2510 to 12ø 9.52 20 to 25ø 12.70 25 to 30ø 15.88 30 to 35Over ø 19.05 35 to 40( 1 N•m = 10 kgf•cm )Tightening torque for bodycap (Refer to the table)Charging coreSpindleR-22: Thread of the screw - 7/16-2OUNFR-410A: Thread of the screw -1/2-2OUNFTightening torque for charging port cap (Refer to the table)Test parts for theindoor unitTest parts for theindoor unit

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