Samsung AWH090, AWH090ZE0K-GSP Disassemble

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	Solder discharge line	Solder suction line	Use nitrogen gas
	wiring for defects,
	and terminals for
	correct and secure
	connections
				Perform soldering function
	Problem?			Fill system with nitrogen gas
Y	N			Check for leakage
				Y
Corrective action				Leakage?
		Check refrigerant oil level
				N

		Release nitrogen gas?
	Low oil level?
Y	N	Evacuate system
Add oil as necessary
		Recharge system
		Recharge system

Samsung Electronics

4-1

4-2 Checking the oil

Fill the transparent container with 10cc of oil, and then conduct the test.

4-2-1 Oil quality

Refrigerant Cycle		Oil Condition		Remarks
	Color		Odor
Normal	Light Yellow		No Odor	Return with the system
Over-heated	Brown		-	Oil Change
Compressor damage	Dark brown		Pungent oil	Oil Change

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.

4-2	Samsung Electronics