Evacuating System, Charging The System

Electrolux FKCH17F7HW service manual Evacuating System, Charging The System

Refrigeration System

R-134A SYSTEMS ARE PARTICULARLY

SUSCEPTIBLE TO MOISTURE CONTAMINATION

WHICH CAN ONLY BE PREVENTED BY

EVACUATING THE SYSTEM FOR A MINIMUM OF 30 MINUTES TO ATTAIN A MINIMUM 29.9 INCH (500 MICRON OR LOWER) VACUUM.

Evacuating System

To achieve the required levels of evacuation, a properly maintained two stage vacuum pump in good condition is required. It is absolutely essential to maintain your vacuum pump according to the manufacturer’s instructions including required oil changes at the recommended intervals. Vacuum pump oil should always be changed after evacuating a contaminated system.

Vacuum pump performance should be checked periodically with a micron gauge.

1.Make certain that charging cylinder valve, hand shut-off valve, and manifold gauge valves are closed.

2.Start vacuum pump.

3.Open hand shut-off valve and slowly open both manifold valves, turning counterclockwise, for two full rotations.

If high vacuum equipment is used, just crack both manifold valves for a few minutes and then open slowly for the two full turns counterclockwise. This will prevent the compressor oil from foaming and being drawn into the vacuum pump.

4.Operate vacuum pump for a minimum of 30 minutes to a minimum of 29.9” (500 micron) vacuum.

5.Close hand shut-off valve to vacuum pump. Watch compound gauge for several minutes. If reading rises, there is a leak in the system, go to step 6. If no leak is indicated, stop vacuum pump. System is now ready for charging.

6.If a leak is indicated, stop vacuum pump and introduce a small charge of refrigerant into system by cracking valve on bottom of charging cylinder until system is pressurized to 40 or 50 lbs psig.

7.Leak test low-side. Close compound gauge. Run compressor for a few minutes and leak test high-side. When leak is found, recapture refrigerant using EPA approved recovery system. Repair and go back to step 1.

Charging The System

Check the serial plate for the correct refrigerant type. It is extremely important to verify the type of refrigerant in the system before starting any sealed system repairs. After charging the system with liquid be certain to wait at least 5 minutes before starting the compressor to give the refrigerant a chance to disperse throughout the system. Otherwise the compressor could be damaged by attempting to pump excessive quantities of liquid.

Preparing The Charging Cylinder:

1.Make certain that hand shut-off valve to vacuum pump is closed.

2.Close high-side manifold gauge valve.

3.Set charging cylinder scale to pressure indicated on cylinder pressure gauge.

4.Observe refrigerant level in sight glass. Subtract amount to be charged into system and note shut off point.

5.Open charging cylinder valve slowly and allow proper charge to enter system.

6.As soon as refrigerant in sight glass has gone down to predetermined level, close charging cylinder valve.

DISCONNECT THE CHARGING CYLINDER HEATER AT THIS TIME TO PREVENT THE CYLINDER PRESSURE FROM EXCEEDING ITS MAXIMUM LIMITS.

7.Allow system to sit for five minutes.

8.Turn on refrigerator compressor. Run compressor for a few minutes and monitor system pressures.

9.When satisfied that the unit is operating correctly, clamp the high-side process tube with the pinch-off tool while the unit is still running.

3-10

FKCH17F7HW specifications

The Electrolux FKCH17F7HW is a standout refrigerator designed to meet the needs of modern households. With its sleek design and advanced features, it not only enhances the kitchen aesthetic but also promotes efficient food storage and preservation.

One of the key features of the FKCH17F7HW is its spacious interior. The refrigerator offers a generous capacity, making it ideal for families or individuals who like to stock up on groceries. Its flexible shelving system allows users to adjust the heights of shelves, accommodating very tall items and optimizing storage space.

The FKCH17F7HW comes equipped with advanced cooling technologies that ensure consistent temperature control. The Frost Free technology prevents the buildup of ice, saving users from the hassle of manual defrosting. This feature also allows for more efficient cooling, which in turn reduces energy consumption. The dynamic cooling system circulates air evenly throughout the refrigerator, helping to maintain an ideal temperature for perishable foods.

Another noteworthy characteristic is the humidity-controlled crisper drawers. These drawers provide an optimal environment for fruits and vegetables, keeping them fresher for longer. By regulating humidity levels, the crisper drawers also help to prevent spoilage, which not only saves money but contributes to less food waste.

In addition to storage practicality, the FKCH17F7HW incorporates energy-efficient technologies. The appliance is designed with an A+ energy rating, which means it operates with lower energy consumption without sacrificing performance. This eco-friendly feature not only benefits the environment but also reduces electricity bills.

The refrigerator also boasts user-friendly controls. Its intuitive electronic control panel makes it easy to adjust settings and ensure optimal performance. Moreover, the LED lighting illuminates the interior, making it easy to find what you need, even in low light conditions.

In summary, the Electrolux FKCH17F7HW is a remarkable refrigerator that combines style, functionality, and energy efficiency. With its generous capacity, advanced cooling technologies, and user-friendly features, it stands as a reliable appliance for any kitchen. Whether you're looking to preserve fresh produce or store family meals, this refrigerator meets a wide range of storage needs while maintaining an attractive design.