(3-way) Valve

(1) Pumping down

Indoor unit

Liquid side

 

Open

Outdoor unit

3-Way valve

Gas side

Closed

3-Way valve

Lo

CLOSECLOSE

Purge the air

Procedure

For pumping down,firstly short the Low Pressure s/w at the outside and then operate below proce- dure.

1.Confirm that both the gas side and liquid side valves are set to the open position.

-Remove the valve stem caps and confirm that the valve stems are in the raised position.

-Be sure to use a hexagonal wrench to operate the valve stems.

2.Operate the unit for 10 to 15 minutes.

3.Stop operation and wait for 3 minutes, then con- nect the manifold gauge to the service port of the gas side valve.

-Connect the hose of the gauge with the push pin to the service port.

4.Air purging of the charge hose.

-Open the Low-handle valve on the gauge slightly to air purge from the hose.

5.Set the liquid side valve to the closed position.

6.Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg/cm2g.

7.Immediately set the gas side valve to the closed position.

-Do this quickly so that the gauge ends up indi- cating 1kg/g.

8.Disconnect the charge set, and mount the liquid side and gas side valve caps and the service port nut.

-Use torque wrench to tighten the service port nut to a torque of 1.8kg.m.(4.2kg.m/5.5kg.m)

-Be sure to check for gas leakage.

Be sure to short pressure S/W. otherwise Low pressure S/W detect low pressure skete and stops the compressor.

Service Manual 49

Page 49
Image 49
LG Electronics LCN240CP service manual Pumping down, Procedure, Air purging of the charge hose

LCN240CP specifications

LG Electronics has long been a leading player in the home appliance market, renowned for its innovative approach to technology and design. One of its standout products is the LG LCN240CP, a state-of-the-art refrigerator that embodies the brand's commitment to quality and performance.

The LG LCN240CP refrigerator features a sleek and modern design, making it an attractive addition to any kitchen. With a generous capacity, it provides ample storage space for all your food and beverages. Its thoughtfully designed interior organizes food efficiently, allowing consumers to access items easily while maximizing space.

One of the standout technologies in the LG LCN240CP is its Smart Inverter Compressor. This advanced feature ensures optimal cooling performance while reducing energy consumption. The compressor adjusts its speed in response to varying demands, helping to maintain the desired temperature without the energy waste associated with traditional compressors. As a result, users benefit not only from improved food preservation but also from lower energy bills.

Another impressive characteristic of the LG LCN240CP is its Smart Diagnosis feature. This enables users to troubleshoot potential issues quickly via a smartphone app. By simply following the prompts, users can identify and resolve problems effectively, minimizing downtime and inconvenience.

The refrigerator also comes equipped with LG's ThinQ technology, providing smart-home integration capabilities. This feature allows users to control settings and receive alerts from their smartphones, ensuring that they can manage their appliance effortlessly from anywhere.

In terms of temperature management, the LG LCN240CP boasts a Multi Air Flow system. This system circulates cool air evenly throughout the refrigerator, helping to maintain consistent temperatures and extending the freshness of food items. Additionally, the refrigerator includes an external water and ice dispenser, providing convenient access to chilled water and ice cubes.

The interior of the LG LCN240CP is designed with user convenience in mind. Adjustable shelves, door bins, and humidity-controlled crispers help maintain optimal storage conditions for various food types. Its stainless-steel finish offers not only durability but also a modern aesthetic that appeals to contemporary homeowners.

In summary, the LG Electronics LCN240CP refrigerator combines energy-efficient technology, advanced smart features, and user-friendly design. With its impressive capacity and smart functionalities, it represents a perfect choice for those looking to upgrade their kitchen appliances and enhance their food storage capabilities.