LG MULTI V 5 Manual Book page 122
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Also See for MULTI V 5:
- Service manual (236 pages) ,
- Data manual (162 pages) ,
- Engineering manual (105 pages)
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LGE Internal
Pump Out
■ Example (Slave2 ODU inverter compressor failure)
■ Example (Slave2 ODU inverter compressor failure)
• For Heat Pump System
• For Heat Pump System
1. Close liquid pipe of the unit for pump out operation.
1. Close liquid pipe of the unit for pump out operation.
2. Operate pump out.
2. Operate pump out.
3. Close gas pipe of unit after completion.
3. Close gas pipe of unit after completion.
4. End pump out.
4. End pump out.
5. After replacing the compressor, eliminate remaining refrigerant of corresponding
5. After replacing the compressor, eliminate remaining refrigerant of corresponding
ODU and perform vacuum work. (with vacuum mode)
ODU and perform vacuum work. (with vacuum mode)
6. Add the refrigerant with auto charging function.
6. Add the refrigerant with auto charging function.
242
_TROUBLE SHOOTING GUIDE BOOK
Use Only
5.3 Vacuum
This function is used for creating vacuum in the system after compressor replacement, ODU parts replace-
ment or IDU addition/replacement.
■ Setting the function
Function
Vacuum
SE 3
■ Detailed Information
• This function is used with heat pump and heat recovery.
• If the vacuum mode start, ODU valve / ODU & IDU EEV open with "Vacc" display.
• Vacuum mode cancellation method
: Push the reset button on master unit PCB after setting all dip s/w oFF.
* Note : Isolation valves, manual shutoff valves, or 3rd party electronically operated valves, and non-
operating or malfunctioning electronic valves must be opened manually prior to initiating service
setting SE3.
· ODU operation stops during vacuum mode. compressor can't operate.
Option
Vacc, oFF
243
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- Error Code Display
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