7. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM

7-1 FUNCTION

7-1-1 Function

1.When the appliance is plugged in, it is set to "3" for the Refrigerator.

You can adjust the Refrigerator control temperature by pressing the ADJUST button.

2.When the power is initially applied or restored after a power failure, it is automatically reset to "3".

1

2

3

4

5

WARMERCOLDER

TEMPERATURE

ADJUST

7-1-2 Defrost Cycle

1.A defrost cycle will be initiated after 4 hours of accumulated compressor run time after the initial power up or a power failure.

2.After the initial defrost, the defrost cycle is initiated after 7 hour of accumulated compressor run time.

3.The defrost cycle will be terminated once the defrost sensor reaches 50°F(10°C).

7-1-3 Electrical Parts Operates in Orders

Electrical parts such as COMP, defrost heater, freezer FAN, etc. operate in the following order to prevent noise and parts damage. Several parts are started at the same time at initial power on and are turned off together when TEST is completed.

OPERATING

 

Temperature of Defrost

 

Sensor is 113°F(45°C) or

 

more (when unit is newly

Initial

purchased or when moved)

 

power

Temperature of defrost

 

on

sensor is lower than

113°F(45°C) (when power

 

 

cuts, SERVICE)

 

 

Reset to normal operation from TEST MODE

ORDERS

POWER

in 1/2 second

COMP &

 

Freezer FAN

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

in 1/2 second

 

 

Defrost in 10 second

Defrost

 

ON

 

 

 

 

 

 

 

 

 

heater ON

 

 

heater OFF

 

 

 

 

COMP &

 

 

in 1/2 second

 

 

 

 

 

Freezer FAN

 

 

 

 

 

 

 

 

 

Total load

 

ON

COMP &

 

 

in 7 minute

 

 

Freezer FAN

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

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LG Electronics LRTN22310, LRTN19310 service manual Function, Freezer FAN, Defrost, Heater OFF

LRTN19310, LRTN22310 specifications

LG Electronics has consistently been at the forefront of home appliance innovation, and the LRTN22310 and LRTN19310 refrigerator models exemplify this commitment. Both models are designed to cater to the needs of modern consumers, combining functionality with cutting-edge technology.

The LG LRTN22310 is a 22 cubic feet top-freezer refrigerator that stands out with its sleek design and user-friendly features. It includes energy-efficient LED lighting that brightens every corner, allowing users to easily find what they need. The Smart Inverter Compressor technology is a key highlight, adjusting cooling power based on the amount of food stored, which leads to significant energy savings and quieter operation.

In addition to its energy efficiency, the LRTN22310 features a multi-air flow system that ensures consistent temperatures throughout the refrigerator, keeping food fresher for longer. Its spacious interior with adjustable shelves allows for flexible storage solutions, accommodating large items with ease. The model also offers a humidity-controlled crisper, ideal for preserving fruits and vegetables at their peak freshness.

On the other hand, the LG LRTN19310, with 19 cubic feet of storage capacity, is a more compact option that does not compromise on efficiency or performance. This model also incorporates the Smart Inverter Compressor, providing optimal cooling without excessive noise. The LED interior lighting and multi-air flow technology are consistent features, ensuring food stays fresh and visible.

The LRTN19310’s sleek shelving system is designed to maximize storage space, while its easy-access freezer compartment allows for convenient organization of frozen items. The refrigerator's stylish exterior adds to its appeal, making it an attractive addition to any kitchen.

Both models highlight LG's commitment to sustainability and innovation. Equipped with smart technologies, such as energy-efficient compressors and advanced cooling systems, they provide consumers with eco-friendly choices. The combination of practical features, modern aesthetics, and advanced technology makes the LG LRTN22310 and LRTN19310 ideal selections for anyone looking to upgrade their kitchen appliances.

In conclusion, the LG LRTN22310 and LRTN19310 refrigerators not only meet the diverse demands of today’s households but also reflect LG’s dedication to quality and innovation in home appliances. Their blend of efficiency, style, and advanced features supports the modern lifestyle, ensuring food is kept fresh while minimizing energy consumption.