LG Electronics 3828A30087S installation manual Air Purging, Air purging With Vacuum Pump

Page 27

Installation

AirPurging

Air and moisture remaining in the refrigerant system have undesirable effects as indicated below.

Pressure in the system rises.

Operating current rises.

Cooling(or heating) efficiency drops.

Moisture in the refrigerant circuit may freeze and block capillary tubing.

Water may lead to corrosion of parts in the refrigeration system.

Therefore, the indoor unit and tubing between the indoor and outdoor unit must be leak tested and evacuated to remove any noncondensables and moisture from the system.

AirpurgingWithVacuumPump

Preparation

• Do a leak test of all joints of the tubing(both indoor

 

and outdoor) and both gas and liquid side service

• Check that each tubing(both liquid and gas side

valves.

tubes) between the indoor and outdoor units have

Bubbles indicate a leak. Be sure to wipe off the soap

been properly connected and all wiring for the test

with a clean cloth.

run has been completed. Remove the service

• After the system is found to be free of leaks, relieve

valve caps from both the gas and the liquid side

the nitrogen pressure by loosening the charge hose

on the outdoor unit. Note that both the liquid and

connector at the nitrogen cylinder. When the system

the gas side service valves on the outdoor unit are

pressure is reduced to normal, disconnect the hose

kept closed at this stage.

from the cylinder.

ENGLISH

Leak test

Connect the manifold valve(with pressure gauges) and dry nitrogen gas cylinder to this service port with charge hoses.

CAUTION

Be sure to use a manifold valve for air purging. If it is not available, use a stop valve for this purpose. The "Hi" knob of the manifold valve must always be kept close.

Pressurize the system to no more than 150 P.S.I.G. with dry nitrogen gas and close the cylinder valve when the gauge reading reached 150 P.S.I.G. Next, test for leaks with liquid soap.

CAUTION

To avoid nitrogen entering the refrigerant system in a liquid state, the top of the cylinder must be higher than its bottom when you pressurize the system.

Usually, the cylinder is used in a vertical standing position.

Indoor unit

Outdoor unit

Manifold valve

Pressure

 

 

gauge

Lo

Hi

Charge hose

Nitrogen gas cylinder(in vertical standing position)

Installation Manual 27

Image 27
Contents Room Air Conditioner Table of Contents Do not modify or extend the power cord Safety PrecautionsAppliance Installing the product Dealer or an AuthorizedService Center Use a dedicated outlet for thisFor a long time when ConditionerOr a window is left open Breaker Performing cleaning orWith a stove, etc Maintenance Unplug the appliance beforeNeighborhoods Use a soft cloth to cleanNoise or hot air from Salt spray directlyReplace all the batteries in the remote Do not drink the water drained from the unitSymbols Used In This Manual FeaturesIntroduction Read carefully, and then follow step by step InstallationInstallation Parts Installation ToolsInstallation Map This Product Contains R-410A Refrigerant Confirm The RefrigerantWarm air Select The Best LocationRestricted Space525 1549 Piping Length And ElevationRight or the left with the hole slightly How To Mount Installation PlateDrill a Hole In The Wall Concrete wall, use anchor boltsCarry out flaring work using flaring tool as shown below Flaring WorkCompletely remove all burrs from the cut cross Make a small loop with the cable for easy connection later Connecting Thet Piping12k Mount the clamp on the boss with a type BConnecting cable Connecting cable Drain hose Pipe Vinyl tapenarrow Correct case Connectionng OfthePiping-Outdoor Connectionng theOfThePipingDrain HoseOutdoor unit Connector trade size for this unit is 1/2Move the link upward and close the front panel How to use the front panelDrain piping Checking The DrainageForming The Piping Air purging With Vacuum Pump Air PurgingSoap water method Charging Test Running Pump Down ProcedureSelecting the locationOutdoor Unit Installation guide at the seasideRoom Air Conditioner No A30087S

3828A30087S specifications

The LG Electronics 3828A30087S is a notable appliance component that caters to a broad spectrum of appliances, specifically designed to enhance appliance efficiency and functionality. This particular part is recognized for its compatibility, mainly with LG refrigerators, ensuring that users experience optimal conditions for food preservation.

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