LG Multi V Manual&Nbsp;

- 24 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Function
3.2 Discharge temperature control
■ Outdoor unit control
■ Indoor unit control
3.3 Inverter protection control
❈ AC input current is inverter input current except constant speed compressor current(Noise filter passed current)
Emergency
SH control
System stop
103˚C (221˚F) < Tdis
≤ 115˚C (239˚F)
Tdis > 115˚C (239˚F)
Temperature range
EEV
Keep current control
98˚C (208˚F) < Tdis ≤ 103˚C (221˚F)
SH control
Tdis ≤ 98˚C (208˚F)
Frequency down
System stop
105˚C (221˚F) < Tdis
≤ 112˚C (234˚F)
Tdis > 115˚C (239˚F)
Temperature range
Compressor
Pressure control
Max. limit
490 pulse
Subcooling EEV
Max. limit
300 pulse
Pressure control
10 pulse open /10sec
32A or more31A or more31A or lessCompressor current
29A or more27A or more26A or lessAC input current
System stopFrequency downNormal operation
Tdis ≤98˚C(208˚F)
Tdis >95˚C(203˚F)
3.4 Pressure switch
- Main has pressure sensing switch in series between compressor and power relay.
- The state of pressure sensing switch is normally on. It has small electric current from 220V AC. Never touch
the connecting terminal with hand nor short two wires directly.

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)