LG Electronics LP121CEM-Y8 manual Features and Benefits, Sleeve and the Rear Grille

1.2 FEATURES AND BENEFITS

The PTAC has many features, some of which are different than those found on conventional PTAC units. The servicer must be familiar with these features in order to properly service the unit.

THE SLEEVE AND THE REAR GRILLE

(Available as an option)

VERTICAL AIR DEFLECTOR	SLEEVE ASSEMBLY	REAR GRILLE
(Horizontal Louver)	(Including Aluminum Rear Grille)	(Aluminum Rear Grille)

AIR FILTER

INLET GRILLE (Air Intake)

EXPANDED METAL GRILLE (Superior for a performance)

•IIR (Infinite Impulse Response)

The IIR function senses the temperature several times per second and makes micro-adjustments several times per

•Compressor Restart Delay

This feature extends the overall life of compressor by preventing the short-cycling of the air-conditioner. When the compressor restarts, LG PTAC is designed to give a minimum of three minutes to have a time of equalizing the refrigerant pressures for optimizing cycling.

•Fan-Only Setting - High/Low

The fan can run at HIGH or LOW speed without COOLING or HEATING to provide air circulation and ventilation.

•Indoor Fan Speed Selections - High/Low

The fan can run at HIGH or LOW speed for either COOLING or HEATING.

•Two Fan motors

The unit has two fan motors to provide quiet operation and maximum efficiency.

•LED Diagnostics

All units have this feature indicating the problem when the unit is not operating properly with easy-to-read diagnostics. For example, 1 blink every 2 seconds indicates compressor failure.

Copyright ©2008 LG Electronics. Inc. All right reserved.	- 3 -
Only for training and service purposes	LGE Internal Use Only