Page 1
4. Disassembly and Reassembly
4-1 Compressor Replacement Flow Chart
Locate cause of defect
Release refrigerant
Disconnect electrical
wiring from compressor
Cut refrigerant lines
from compressor
Plug disconnected lines
Replace compressor
Inspect electrical
wiring for defects,
and terminals for
correct and secure
connections
Problem?
Y
Corrective action
Solder discharge line
Solder suction line
N
Check refrigerant oil level
Use nitrogen gas
Perform soldering function
Fill system with nitrogen gas
Check for leakage
Leakage?
Y
N
Release nitrogen gas?
Low oil level?
Y
N
Evacuate system
Add oil as necessary
Recharge system
Pinch and braze filling tube
4-1Samsung Electronics
Page 2
4-2 Checking the Oil
Fill the transparent container with 10cc of oil, and then conduct the test.
4-2-1 Oil quality
Oil Condition
Refrigerant Cycle
Normal
Over-heated
Compressor damage
Color
Light Yellow
Brown
Dark brown
Odor
No Odor
-
Pungent oil
Return with the system
4-2-2 Replacing and refilling the refrigerant oil
1. Replacing the compressor-Do not fill the system with oil as the compressor is already charged.
2. Replacing the condenser - Refill 50cc.
3. Replacing the evaporator - Refill 50cc.
4. Replacing the refrigerant - Refill 30cc.
5. The high pressure side is filled up with oil after the vacuum is completed.
6. When the refrigerant leaks, it is generally not necessary to refill the oil if the leakage is not severe.
Remarks
Oil Change
Oil Change
Samsung Electronics4-2
Page 3
4-3 Disassemby and Reassembly Procedure
Stop operating the air conditioner, and pull out the power cord before repair.
No. Part name Procedures Remarks
¤
¤Ł
Ass'y Grille
Ass'y Cabinet
1. Hold the lower part of the front grille with
two hands while pressing down on both
sides of the lower part of the cabinet,
pull it forward by about 30¡˘, and then lift
it up for removal.
1. Remove the screws on both sides of the
cabinet to disconnect the cabinet and
frame.
2. Pull the handle on the front side of the
bottom, and remove the unit from the
cabinet.
¤Ø
Ass'y Control
1. Remove four machine screws,
and earth wire screw.
2. Take out the Control Box forward,
and remove two lead-wire assemblies.
4-3Samsung Electronics
Page 4
Disassembly and Reassembly
No. Part name Procedures Remarks
Plate-Cover
¤Œ
¤º
Ass'y-Evaporator
1. Remove 11 screws on the plate
cover.
1. Remove two screws on the left
side of the evaporator.
¤
Plate-Evap Casing
1. Lift up the evaporator, and remove
the tray-drain.
2. Remove two screws on the bottom
side, and two screws on the left side
of the plate-evap casing.
Samsung Electronics4-4
Page 5
Disassembly and Reassembly
No. Part name Procedures Remarks
¤
¤
Blower
Propeller Fan
1. Loosen the hexagon nut, and
remove the blower.
1. Loosen the hexagon nut, and
remove the fan.
¤
Motor Supporte
& Motor
1. Remove four hexagon nuts on
the bottom.
2. Move the motor-assembly toward
the condenser, and lift up the
motor-assembly from the frame.
3. Remove the clips on both sides
carefully using the (-) driver.
4-5Samsung Electronics
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