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TROUBLE DIAGNOSIS
Item
Precaution
Utilities
4. Recharging
process
5. Leakage
Test
6. Cycle Check
Refrigerant
Cylinder
Hoses
Portable
Leakage
detector
• After the system is completely
vacuumed, fill it with the refrigerant
R600a up to what has been
specified at your refrigerator Name
Plate.
• The amount of refrigerant (R600a)
must be precisely measured within
the error of ±2g by an electron
scale.
• Connect the charging hose (that is
connected to the refrigerant
(R600a) cylinder) to the Schrader
valve installed on the service tube.
• Then, charge the refrigerant (R600a) by controlling the Throttle valve.
• When you do so, do not fully open the Throttle valve because it may make
damage to the compressor.
• Gradually charge the refrigerant (R600a) by changing open and close the Throttle
Valve (5g at each time).
• The charging hose must use a one-way valve to prevent the refrigerant refluence.
• Close the Schrader valve cap after the refrigerant (R600a) is completely
recharged.
• If you use the manifold connected with both the refrigerant (R600a) cylinder and
the vacuum pump simultaneously, make sure the pump valve is close.
• After you completely recharge the refrigerant (R600a), perform the leakage test by
using a portable leakage detector or soapy water.
• Test the low pressure (suction) parts in compressor off time and high pressure
parts in compressor on time.
• If the leakages are found, restart from the refrigerant (R600a) discharging process
and repairs defects of leaks.
• After the leakage test, check the temperature of each parts of the cycle.
• Check with hands if the CONDENSER and the case (HOT-LINE pipe) that is
contacted to the door gasket are warm.
• Confirm that frost is uniform distributed on the surface of the EVAPORATOR.
WEIGH SCALE
THEROTLE
VALVE
COUPLE
REFRIGERANT
(R600a)
CHARGING HOSE
FILLING OR
CHARGE TUBE
VALVE TO BE OPENED
WHEN REFILLING
VALVE TO BE CLOSED
AFTER VACUUM
TO THE VACUUM PUMP
TO THE REFRIGERATION
SYSTEM
TO THE CHARGE
CYLINDER
Содержание GC-B207
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