LG Multi V Service Manual

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Copyright © 2020 LG Electronics Inc.
All rights reserved. Only training and service purposes.
Outdoor Unit
Indoor Unit
Subcooling EEV
Main EEV
Fan
Inverter compressor
Component
Min. pulse Min. pulse Min. pulse
OFF
30 Hz
Starting
Max. pulse
Setting Value
Running
200 pulse300 pulse
OFF
40 Hz
Ending
Normal control
1200 ơ 600 ơ
60~100 pulse
1200
ơ 600 ơ
Normal Control
Normal control
Ending
400~800 pulse
400~800 pulse
Running
60~100 pulse
Normal control
Normal control Normal control
Starting
Thermo off unit EEV
Thermo on unit EEV
Fan
Component
ONOFFOFF4way valve 1
OFFOFFOFF4way valve 2
Function
2.2 Defrost
Defrost operation eliminates ice accumulated on heat exchanger, recovering performance of heat exchanger.
Each cycle component operates as following table during defrost operation.
n Ending condition
1) All heat exchanger pipe temperature are above setting temperature for 30 seconds.
2) The running time of defrost operation is over 30 % of the total heating time
3) If compressor protection control starts by high discharge temperature of compressor etc.

LG Multi V Specifications

General

Type	VRF (Variable Refrigerant Flow)
Compressor Type	Scroll
Refrigerant	R410A
Energy Efficiency	High
Control System	Centralized and individual control options
Indoor Units	Multiple types available (e.g., ceiling cassette, wall-mounted, ducted)