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LG MC12AHR User Manual

LG MC12AHR
29 pages
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www.lg.com
INSTALLATION MANUAL
AIR CONDITIONER
• 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.
P/NO : 3828A22235A
ENGLISH
ITALIANO ESPAÑOL FRANÇAIS DEUTSCH
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LG MC12AHR Specifications

General IconGeneral
TypeSplit system
Cooling capacity (max)12000 BTU/h
Dehumidifying capacity1.5 l/h
Heating capacity (max)13200 BTU/h
Air conditioner functionscooling, heating
Cooling capacity in watts (max)3520 W
Heating capacity in watts (max)3870 W
Indoor unit typeWall-mountable
Airflow600 m³/h
Noise level35 dB
Weight and Dimensions IconWeight and Dimensions
Weight9500 g
Dimensions (WxDxH)915 x 165 x 282 mm

Summary

Safety Precautions

Installation of Indoor and Outdoor Units

Select the Best Location

Guidance on choosing optimal indoor and outdoor unit placement, considering heat, obstacles, and noise.

Flaring and Piping Work

Flaring Work Procedure

Detailed steps for cutting pipes, removing burrs, and performing flaring for leak-free connections.

Connecting Indoor Unit Piping

Route Indoor Piping and Drain Hose

Steps for connecting indoor unit piping and drain hose, including routing and insulation.

Outdoor Unit Piping Connection

Outdoor Piping Connection

Instructions for connecting piping to the outdoor unit, including tightening flare nuts.

Connecting Cables

Connect Cable to Indoor Unit

Steps for connecting the power and communication cables to the indoor unit terminals.

Connect Cable to Outdoor Unit

Procedures for connecting cables to the outdoor unit's control board and power supply.

Air Purging and Evacuation

Checking Method

Steps for preparing the system and performing a leakage test with nitrogen gas.

Evacuation

Procedure for removing air and moisture from the refrigerant system using a vacuum pump.

Test Running

Evaluate Performance

Steps to check system refrigerant charge and performance after installation.

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