Samsung AQV18KBAN manual Performing the gas leak tests, To check for gas leaks on the outdoor unit

Page 39

Performing the gas leak tests

If using a multi system, refer to the manual supplied with the outdoor unit.

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 with R410A (after opening valves)

Before opening valves, discharge all the nitrogen from the system and create vacuum according to page 36~38. 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 AQV09K&Y@@JungfrauIBIME32437A.indd 2011-1-17 Contents Wall socket Safety precautionsImportant safety symbols and precautions Follow directionsFor Using For Cleaning Checking before use Operation rangesModel RJ Checking the name of the parts Main partsDisplay Remote controller buttons Checking the remote controllerInserting the batteries Remote controller displayBattery changing time Storing the remote controllerBasic function Press Button to adjust the temperatureVertical air flow Adjusting the air flow directionUsing the Turbo function Press the Air swing button on the remote controllerMode When the air conditioner is on and in cool/heat modePress the button on the remote controller Press the Set/Cancel button to active itSetting the On/Off timer Setting the Current timeFollow the same process for setting on timer and off timer Additional options available in On timer modeUsing the SPi function Using the Smart Saver functionCancel Press the Auto clean button once again Using the Auto Clean functionUsing the dlight Cool function When the air conditioner is turned onYou can reduce the noise generated from an indoor unit UsingAA the Quiet functionHeat exchanger Cleaning the indoor unitCleaning the outdoor unit heat exchanger Opening the panelDry the Full HD filter in a ventilated area Cleaning the air conditionerCleaning the Full HD filter Removing the Full HD filterPeriodical checks Maintaining the air conditionerTroubleshooting Outdoor unit Error is indicatedAll blink Noise is generatedGeneral information  a place where the air filter can be replaced easily Choosing the installation locationInstalling the unit Power supply line, fuse or circuit breakerWhere sulfide gas exists Outdoor UnitModel Side view When installing 1 outdoor unitWhen installing more than 1 outdoor unit Space Requirements for Outdoor UnitUnit mm AccessoriesAccessories in the indoor unit case Accessories in the outdoor unit caseTools for test operations Fixing the installation plateOptional accessories Tools required for installation General ToolsFix the indoor unit If you fix the indoor unit on a wall Connecting the assembly cableCable specification Connecting the cableEach wire is labeled with the corresponding terminal number Extend the assembly cable if necessaryCut off the remaining foam insulation Smooth the cut edgesPut a flare nut slightly into the pipe and modify the flare Purging the indoor unitCutting or extending the pipe Unscrew the caps at the end of each pipeOuter Diameter Pipe 50 Pa. The joint must be accessible and serviceableCorrect Inclined CrackedDrain hose installation Purging the connected pipes Connect a drain hose to the drain plugEnsure that condensation draining is adequate If you use a pipe shorter than 5m Gas service port as seen in the pictureAdding Refrigerant If you use a pipe longer than 5mPlease fill in with indelible ink  the factory refrigerant charge of the product1975 Leak test with nitrogen before opening valves Performing the gas leak testsTo check for gas leaks on the outdoor unit To check for gas leaks on the indoor unit612 Then place the indoor unit on the installation plateFixing the indoor unit in place Fixing the outdoor unit in placeFinal Check and Trial Operation Insulation tape to finish How to connect your extended power cablesApply heat to the contraction tube to contract it After tube contraction work is completed, wrap it withWried remote controller, central remote controller etc Sub PCB installationoptional Only for multi system+381 42 277267864, € 0.07/min 70 70 19Air Conditioner
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