LG Multi V 5 - Display Cycle Information

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_TROUBLE SHOOTING GUIDE BOOK __
5.5 Forced Oil Return
5.6 Forced Defrost
This function is used in recovering the oil level of the compressor through recollecting the accumulated oil
in the pipe.
■ Setting the function
Function Option
Forced Oil Return SE 5 01, oFF
■ Option Selection
Setting Detail of function
oFF Off (Default)
01 Oil return on
■ Detailed information
• This function is used with heat pump and heat recovery.
• Automatically disabled the forced oil return function after finishing oil return function.
This function is used in defrosting of heat exchanger.
■ Setting the function
Function Option
Forced Defrost SE 6 Def, oFF
■ Option Selection
Setting Detail of function
oFF Off (Default)
Def Defrost on
■ Detailed information
• This function is used with heat pump and heat recovery.
• Automatically disabled the forced defrost function after finishing manual defrost.
· If a compressor is lost and it is unknown if oil is trapped in the pipeline, ask an authorized technician.
5.7 Display Cycle Information
This function is to display the main parameter value displayed by LGMV in real time through the 7 - segment
of the master outdoor unit for smooth operation when the LGMV cable is faulty or missing. The 7 segment
is display 26 different cycle data.
■ Setting the function
Function Option
Display Cycle Information SE 8 op1~op26
■ Option Selection
step Tittle 7 - seg example seg_1 seg_2 seg_3 seg_4
op1 Current High Pressure P1 4321 kPa 4 3 2 1
op2 Current low Pressure P2 1234 kPa 1 2 3 4
op3 Inv 1 Pulse h1 120 Hz 1 2 0
op4 Inv 2 Pulse h2 30 Hz 3 0
op5 fan rpm h3 110 RPM 1 1 0
op6 Subcooling degree T1 53℃ 5 3
op7 Superheating degree T2 -4.5℃
- 4 5
op8 ODU temp. T3 10℃ 1 0 0
op9 Suctino temp. T4 43.4℃ 4 3 4
op10 Comp1 discharge temp. T5 150℃ 1 5 0
op11 Comp2 discharge temp. T6 124℃ 1 2 4
op12 Liquid pipe temp. T7 10℃ 1 0 0
op13 Sc_in T8 10℃ 1 0 0
op14 Sc_out T9 10℃ 1 0 0
op15 hex_total T10 10℃ 1 0 0
op16 hex_hi T11 10℃ 1 0 0
op17 hex_low T12 10℃ 1 0 0
op18 Inlet pipe temp of IDU T13 -10℃
- 1 0 0
op19 main1 eev PLS1 1950 pls 1 9 4 0
op20 main2 eev PLS2 32 pls 3 2
op21 sc eev PLS3 16 pls 1 6
op22 oil eev PLS4 50 pls 5 0
op23 vi eev1 PLS5 1350 pls 1 3 5 0
op24 vi eev2 PLS6 50 pls 8
op25 IDU running capacity IDU1 24 KBtu 2 4
op26 Total number of IDU IDU2 10 EA 1 0
■ Detailed information
• This function is used with heat pump and heat recovery.
Basic Part
Multi V 5
Intorduction
Trouble Shooting
Function Control
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