Samsung mini DVM Series, Service Manual

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Reference Information
Samsung Electronics 14-15
14-3-3 Vacuum Preparing Operation
■
Oil recovery in the heating
■
Make the condition of the outdoor unit vacuum preparing operation
1. Purpose :
According to the valves such as EEV, Solenoid Valve, and Check Valve, the vacuum and the emission of refrigerant may not be
succeeded smoothly. Therefore, insert a separate operation mode for the vacuum or the complete emission of refrigerant.
2. Use the K1 key
3. Determine an operation outdoor unit
The number of pressing Display
8 times: Main unit 8 times:
9 times: Sub1 unit 9 times:
10 times: Sub2 unit 10 times:
11 times: Sub3 unit 11 times:
12 times: All unit 12 times:
4. Operation Method :
All the EEV of the outdoor unit on the vacuum mode is opened to the maximum degree of openness and all the Solenoid Valve is
waited on the open state.
1. This is an operation mode to recover compressor oil that moved to pipe or indoor unit after mixing with refrigerant during opera-
tion.
2. Use the K1 Key
3. Automatic operation by the basic setting time during heating operation
4. Use the key mode if required
The number of pressing Display
7 times : MAIN 7 times:
Sub3 Sub2 Sub1 Main
Sub3 Sub2 Sub1 Main