Samsung AR18HCSDBWKNMG, AR24HCSDBWKNMG, AR18HPSDBWKNMG Performing the gas leak tests, English-49

Page 49

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

t05s In llan atio

Test part for outdoor unit

Tightening torque for body cap (Refer to the table)

Spindle

Charging core

R-22: Diameter of the screw - 7/16-20UNF

R-410A: Diameter of the screw - 1/2-20UNF

Tightening torque for charging port cap (Refer to the table)

Test part for indoor unit

Before inspecting the leakage, use a torque wrench to close the cap for the service valve. (Comply with a tightening torque for each size of the diameter,and tighten the cap firmly to prevent any leakage.).

To check for any possible leakage, insert inert gas into the pipes connected to indoor/outdoor units and check the connection part of the indoor/outdoor units with soap lather or liquid for leakage test.

Outer

Tightening torque

Diameter

Body cap (N•m)

Charging port cap

(mm)

(N•m)

 

ø 6.35

20 ~ 25

 

ø 9.52

20 ~ 25

 

ø12.70

25 ~ 30

10 ~ 12

ø15.88

30 ~ 35

 

ø19.05

35 ~ 40

 

To check for gas leaks on the outdoor unit,

( 1 N•m = 10 kgf•cm )

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 R-22.

Leak test (after opening valves)

Before opening valves, discharge all the nitrogen from the system and create vacuum according to page 47~48. 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-49

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Contents Air Conditioner Features of your new air conditioner Contents English-4 Safety precautions01epaPr n atio English-5English-6 For UsingEnglish-7 English-8 Do not place objects or devices under the indoor unitEnglish-9 For CleaningOperation ranges Checking before useEnglish-10 English-11 Checking the usage timeEnglish-12 Technical SpecificationsMain parts Checking the name of the partsDisplay English-13Remote controller buttons Checking the remote controllerEnglish-14 Battery changing time Remote controller displayStoring the remote controller Inserting the batteriesBasic function Press the button to set the desired fan speed Press the button to adjust the temperatureEnglish-17 Basic fun n iotVertical air flow Adjusting the air flow directionHorizontal air flow English-18Using the Comfort function Using the Fast functionEnglish-19 F03undAdvance n iotMode When the air conditioner is on and in cool/heat modeEnglish-20 Press the On Timer or Off Timer button to set the time Setting the On/Off timerPress the Set/Cancel button to activate it on English-21English-22 From the moment you have set the timerIf the air conditioner is on If the air conditioner is off Turn off automaticallyUsing the Virus Doctor function Using the Single User functionPress the button on the remote controller English-23Using the Filter reset Using the Auto Clean functionWhen the air conditioner is turned on English-24Cleaning the outdoor unit heat exchanger Cleaning the air conditionerEnglish-25 Sre04 OthRemoving the Air filter Cleaning the Air filterEnglish-26 Remove the Air filter from the main bodyEnglish-27 Reassembling the Air filterTop of the Air filter into the main body.. ➀ English-28 Maintaining the air conditionerTemperature TroubleshootingAdjustment is not English-29Check the Drains have been cleared Regular Maintenance Button or disconnect the power plug/switchError is indicated Heard when refrigerant flow movement changes. It is normalEnglish-31 General informationT05s In llan atio Installing the unit Choosing the installation locationPower supply line, fuse or circuit breaker Indoor unitOutdoor Unit Where sulfide gas existsEnglish-33 When the air outlet is towards the wall When installing more than 1 outdoor unitEnglish-34  Figure DescriptionAccessories in the indoor unit case AccessoriesEnglish-35 LlanOptional accessories Accessories in the outdoor unit caseTools required for installation General Tools Tools for test operationsAssembling the hanger screw Fixing the installation plateEnglish-37 Removing the Cover panel Before mounting the indoor unit Removing the screwsEnglish-38 English-39 Assembling the Cover panel After mounting the indoor unitCable specification Connecting the assembly cableConnecting the cable English-40Each wire is labeled with the corresponding terminal number Extend the assembly cable if necessaryEnglish-41 Smooth the cut edges English-42Cut off the remaining foam insulation TorqueCutting or extending the pipe Evacuating the indoor unitEnglish-43 Unscrew the caps at the end of each pipePut a flare nut slightly into the pipe and modify the flare English-44Depth a English-45 Drain hose installationEnglish-46 Change the direction only when it is necessaryShield Downwards as seen in the pictureEnglish-47 Evacuating the connected pipesConnect a drain hose to the drain plug Drain hole Drain plugEnglish-48 Adding RefrigerantOuter Torque If you use a pipe longer than 5 mEnglish-49 Performing the gas leak testsFixing the outdoor unit in place Outdoor unit installed on the wall by rackEnglish-50 660 340English-51 Smart Install modeOff Blinking English-52English-53 Final check and trial operationEnglish-54 How to connect your extended power cablesApply heat to the contraction tube to contract it After tube contraction work is completed, wrap it withMGBETTERA3050IB&IMENDB68-04070A-00.indd 17/09/2013 0211 Questions or COMMENTS?

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