IMPORTANT POINTS ON SERVICE OPERATING SAFETY

Please follow these instructions carefully :

Unplug the unit to avoid any danger from electric shock before disassembling the unit for repair.

If there is any sound of the refrigerant circulating when in operation, avoid touching the cooling coils.

If you need to perform any welding or soldering, be sure you are in a well ventilated area.

Only a qualified professional should perform any welding on the unit.

When repairing the unit, the specifications listed in this manual must be strictly adhered to when replacing any components.

When replacing any electrical components they should be factory approved units.

Be sure that any electrical components are properly wired and in place.

FLOW CHART FOR INSPECTING AND REPAIRING THE UNIT

Electricity shutdown

Check fuses on

main switch

Check if air filter is

clogged

Capacitors are faulty

Dehumidifier doesn't work

Can not dehumidify

Compressor doesn't

work

Refrigerant is leaking

Maintain

&

repair system

Check if drain bucket

water level switch

is broken

Humidity sensor

is broken

Humidity setting on continuous operation

Over load protector is

faulty

Supply Nitrogen 15Kg/cm² from low pressure side and locate the leakage

Use oxygen acetylene and 5% silver

iron to fill cracks and holes

Pump vacuum for at

least 15 minutes

After filling with

refrigerant proceed to test run

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Friedrich D70D, D525, D50D Important Points on Service Operating Safety, Flow Chart for Inspecting and Repairing the Unit

D50D, D70D, Dehumidifier, D525 specifications

Friedrich dehumidifiers are renowned for their efficiency, durability, and advanced technology, making them a preferred choice for maintaining comfortable humidity levels in homes and businesses. The D50D, D525, and D70D models exemplify these qualities, each designed to cater to specific needs and spaces, from small basements to larger areas.

The Friedrich D50D is a compact and efficient unit, ideal for moderate humidity control. With a capacity to remove up to 50 pints of moisture per day, it is well-suited for small to medium-sized rooms. One of its standout features is the built-in pump that allows for continuous drainage, offering users convenience without the need to frequently empty the water tank. The D50D also features an adjustable humidistat, allowing individuals to set their desired humidity level for optimal comfort.

The D525 model offers increased capacity, removing up to 52 pints of moisture per day. This unit is designed for larger spaces and includes a robust fan system that ensures even air circulation. Like the D50D, it also boasts a continuous drainage option and an advanced digital display, making it easy for users to monitor humidity levels and adjust settings accordingly. Additionally, the D525 is equipped with a washable filter that captures dust and allergens, promoting improved air quality.

For those requiring heavy-duty performance, the D70D model stands out with its ability to remove up to 70 pints of moisture daily. This model is perfect for very humid environments or larger areas where moisture management is critical. It features an impressive quiet operation function, which allows it to run quietly in the background without disrupting everyday activities.

All Friedrich dehumidifiers integrate advanced technologies, such as intelligent humidity control, which allows the units to automatically adjust operation based on the current humidity levels in the space. They also come with durable construction and a sleek design that can easily fit into any decor.

Overall, Friedrich's D50D, D525, and D70D models offer versatile solutions for moisture control, combining functionality with user-friendly features, making them suitable for a variety of applications. Whether for home use or industrial settings, these dehumidifiers deliver reliable performance, ensuring that indoor environments remain comfortable and dry.