Samsung AQ24TSBXCEE Performing the gas leak tests, To check for gas leaks on the outdoor unit

Page 37

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 installation plate).

A C D

B

To check for gas leaks on the outdoor unit,

Check the valve A and B using a leak detector.

To check for gas leaks on the indoor unit,

Check the flare nut C and D using a leak detector.

Leak test with nitrogen (before opening valves)

In order to detect basic refrigerant leaks, before recreating the vacuum and recirculating the R410A, it’s responsible of installer to pressurize the whole system with nitrogen (using a cylinder with pressure reducer) at a pressure above 40 bar (gauge).

Leak test (after opening valves)

Before opening valves, discharge all the nitrogen from the system and create vacuum according to page 34~36. After opening valves, check leaks using a leak detector for refrigerant.

Pump down (before disconnecting the refrigerant connections for unit repair, removal or disposal)

Pump-down is an operation intended to collect all the system refrigerant in the outdoor unit.

This operation must be carried out before disconnecting the refrigerant tubing in order to avoid refrigerant loss to the atmosphere.

Shut off the liquid valve with the Allen wrench.

Turn the system on in cooling with fan operating at high velocity.

(Compressor will immediately start, provided 3 minutes have elapsed since the last stop).

After 2 minutes of operation, shut the suction valve with the same wrench.

Turn the system off and switch mains supply off.

Disconnect tubing. After disconnection, protect valves and tubing ends from dust.

Compressor damage may occur if run at a negative suction pressure.

ENGLISH

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Contents Page Contents Important safety symbols and precautions Safety precautionsFollow directions Wall socketFor Using For Cleaning Operation ranges Checking before useChecking the name of the parts PowerMain parts  09/12/18/24T  Display  09/12/18/24TRemote controller buttons Checking the remote controllerBattery changing time Remote controller displayStoring the remote controller Inserting the batteriesBasic function Auto Low Med High AutoLow Med High Using the Turbo function Adjusting the air flow directionPress the Air swing button on the remote controller Vertical air flowPress the button on the remote controller When the air conditioner is on and in cool/heat modeMode Press the Time Up or Time Down button to set the timePress the On Timer/Off Timer button Setting the On/Off timerAdditional options available in On timer mode From the moment you have set the timer Using the Smart Saver functionIf the air conditioner is on If the air conditioner is off Turn off automaticallyUsing the Quiet function Using the Auto Clean functionWhen the air conditioner is turned on Cleaning the indoor unit Cleaning the air conditionerCleaning the outdoor unit heat exchanger Opening the panelRemoving the Air filter Cleaning the air filterOpen the panel and put the Air filter out Dry the Air filter in a ventilated areaPeriodical checks Maintaining the air conditionerTroubleshooting Flow movement changes. It is normal Outdoor unit Heat exchanger during Heat mode in winterConnection Included Models Remark General informationInstalling the unit Choosing the installation locationPower supply line, fuse or circuit breaker  a place where the air filter can be replaced easilyOutdoor Unit Where sulfide gas existsModel When the air outlet is towards the wall When installing more than 1 outdoor unit Figure Description Top view Side viewAccessories in the indoor unit case AccessoriesAccessories in the outdoor unit case Optional accessories Fixing the installation plateTools required for installation General Tools Tools for test operationsCable specification Connecting the assembly cableConnecting the cable Each wire is labeled with the corresponding terminal number Extend the assembly cable if necessaryInstallation Cut off the remaining foam insulation Smooth the cut edgesPass the pipe through the hole in the wall Cutting or extending the pipe Purging the indoor unitUnscrew the caps at the end of each pipe Put a flare nut slightly into the pipe and modify the flareCorrect Inclined Pipe 50 Pa. The joint must be accessible and serviceableCracked Outer DiameterChanging direction of the drain hose Drain hose installationTwo hoses are firmly connected, there is no water leakage Check for leakage on both side of the drain outletConnect a drain hose to the drain plug Purging the connected pipesEnsure that condensation draining is adequate Adding Refrigerant Gas service port as seen in the pictureIf you use a pipe longer than 5m If you use a pipe shorter than 5m the factory refrigerant charge of the product Please fill in with indelible ink1975 To check for gas leaks on the outdoor unit Performing the gas leak testsTo check for gas leaks on the indoor unit Leak test with nitrogen before opening valvesFixing the indoor unit in place Then place the indoor unit on the installation plateFixing the outdoor unit in place Final Check and Trial Operation Apply heat to the contraction tube to contract it How to connect your extended power cablesAfter tube contraction work is completed, wrap it with Insulation tape to finishMemo Questions or COMMENTS? Air Conditioner
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AQ24TSBXCEE, AQ18TSBXCEE, AQ12UGFNEUR, AQ12TSBN, AQ09UGFN specifications

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