LG MULTI V 5 ARUN220LTE5 - User Manual

INSTALLATION MANUAL
AIR
CONDITIONER
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Copyright © 2017 - 2018 LG Electronics Inc. All Rights Reserved.
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
Please retain this installation manual for future reference after reading it
thoroughly.
Heat Pump
Original instruction
MFL67221438
Rev.00_092118
ENGLISH
ESPAÑOL
PORTUGUÊS
1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 1

LG MULTI V 5 ARUN220LTE5 Specifications

General

Model	ARUN220LTE5
Type	Multi V 5
Cooling Capacity	22.0 kW
Heating Capacity	25.0 kW
Refrigerant	R410A
Power Supply	380-415V, 3Ph, 50Hz
COP (Heating)	4.0
Operating Temperature (Cooling)	-5 to 48 °C
EER	3.5
SEER	16.0
Indoor Unit Weight	120 kg

Summary

IMPORTANT SAFETY INSTRUCTIONS

INSTALLATION PROCESS

ALTERNATIVE REFRIGERANT R410 A

Properties and installation considerations for R410A refrigerant.

SELECT THE BEST LOCATION

INSTALLATION

Preparation of Piping

Steps for cutting and preparing pipes for refrigerant connections.

REFRIGERANT PIPING INSTALLATION

Precautions on Pipe connection Valve operation

Guidelines for safe pipe connection and valve handling.

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT

Pipe Connection Method between outdoor unitindoor unit

Distribution Method

Vacuum Mode

Procedure for creating vacuum in the system after component replacement.

Leak Test and Vacuum drying

Steps for testing for leaks and drying the system using vacuum.

Refrigerant charging

ELECTRICAL WIRING

Communication and Power Cables

Types, specifications, and routing of communication and power cables.

Wiring of main power supply and equipment capacity

Field Wiring

Diagrams for field wiring connections for single and series outdoor units.

Checking the setting of outdoor units

The Procedure of Automatic Addressing

High Static Pressure Compensation mode

Night Low Noise Function

Setting the ODU address

High Efficiency Mode (Cooling Operation)

Auto Dust Removal Mode

Compressor Max. Frequency Limit

SLC (Smart Load Control)

Compressor Input Current Limit

Self-Diagnosis Function

CAUTION FOR REFRIGERANT LEAK

Concentration limit

Limit of Freon gas concentration for safe operation.

Checking procedure of limiting concentration

Steps to check concentration and take countermeasures against leaks.

INSTALLATION GUIDE AT THE SEASIDE