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Windbell Compressor - a professional air compressor manufacturer & supplier since 2011

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Technical Services

Zhengzhou Windbell Machinery Co., Ltd. is a professional enterprise integrating research, design and development, production, sales and after-sales service of air compressor.

Installation
Use
Maintenance
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Case

In order to use the compressor in complete safety read the safety standards given in section 1.3. before reading this section.

1.1 Admitted surrounding conditions

Admitted surrounding conditions Position the machine as established when the order was placed. Failing this the Manufacturer is not liable for any inconveniences that may possibly arise.


Unless pointed out otherwise when placing the order, the compressor must work regularly in the surrounding conditions indicated below:


ROOM TEMPERATURE 

The room temperature must not be lower than 5°C or higher than 45°C to ensure the ideal operational efficiency of the compressor.


If the compressor works at a room temperature lower than the minimum value, the condensate could be separated within the circuit and therefore the water would mix with the oil, thus deteriorating the quality of the latter, failing to guarantee the even formation of the lubricating film between the moving parts with the possibility of seizure.


If the compressor works at a room temperature higher than maximum value, the compressor would take in air that is too hot, which would prevent the heat exchanger from adequately cooling the oil in the circuit, raising the working temperature of the machine, thus causing the thermal safety device to trip, which stops the compressor due to an excessive temperature of the air/oil mixture at the screw outlet. The maximum temperature of the room is to be measured while the compressor is running.


LIGHTING 

The compressor has been designed in compliance with legal prescriptions and in the attempt to minimise shadow zones to facilitate the operator's job.


The lighting system of the factory is to be considered as crucial for the operator's safety.


The room in which the compressor is installed must have no shadow zones, dazzling lights or stroboscopic effects due to the lighting.


【 ATMOSPHERE WITH RISK OF EXPLOSION AND/OR FIRE

The standard compressor is not pre-arranged or designed to work in rooms subject to the risk of explosion or fire. The performance of the compressor may decrease at the maximum permitted ambient temperature, with relative humidity higher than 80% and at an altitude of more than 1,000 mt.

1.2 Space required for maintenance

The compressor must be installed in a large room that is well-aired, dust-free and sheltered away from rain and frost. The compressor takes in a large amount of air that is required to ventilate it internally. A dusty atmosphere would in time cause damages and inefficient performance.


Part of the dust once inside is taken in by the air filter causing it to clog rapidly and another part of dust will settle on the components and will be blown against the cooling radiator, consequently compromising the efficiency of the heat exchanger. It is therefore obvious that the cleanliness of the area in which the compressor is installed is crucial for the correct efficiency of the machine, avoiding excessive running and maintenance costs. To facilitate maintenance jobs and to create a favourable circulation of air, the compressor must have a sufficient free space all around it (see fig.).

The room must be provided with outlets that lead outdoors near the floor and ceiling that will allow the natural circulation of air. If this is not possible, install some fans or extractors that guarantee a higher air flow rate than that taken in by the compressor.


Ducts for the inlet and outlet of the air can be used in unfavourable environments. These ducts must be the same size as the in-take and delivery grid. If these ducts are longer than 3 meters contact the Authorised Service Centre.

1.3 Positioning the compressor

Once the position in which the compressor is to be installed has been identified ensure that the compressor is set on a flat surface.

  Do not secure the compressor rigidly to the floor.

1.4.1 Connecting the compressor to the electrical mains power supply

  The compressor is to be connected to the electrical mains by the customer, to his exclusive liability, employing specialised personnel.

【INSTRUCTIONS FOR CONNECTING TO EARTH

This compressor must be connected to earth while in use in order to safeguard the operator against electrical shocks. The electrical connection must be carried out by a skilled engineer. It is advisable never to dismantle the compressor or even to make any other connections. All repairs must be carried out exclusively by authorised service centres or other qualified centres. The earth wire of the power supply cable of the compressor must be connected only and exclusively to the PE pin of the terminal board of the actual compressor. Before replacing the plug of the power supply cable ensure that the earth wire is connected.


【EXTENSION CABLE】

Use only extension cables with plug and earth connection. Never use damaged or squashed extension cables. Ensure that the extension cable is in a good state of wear. When using an extension cable, ensure that the cross section of the cable is sufficient to convey the current absorbed by the product to be connected. If the extension cable is too thin there could be drops in voltage and therefore loss in power and overheating of the equipment.

The extension cable of the three-phase compressors must have a cross section in proportion with its length:

Avoid all risks of electrical shocks. Never use the compressor with damaged electrical cables or extension cables. Regularly check the electrical cables.

Never use the compressor in or near water or near a hazardous area where electrical shocks may be encountered.

Certificate Display

The three-phase compressors (L1+L2+L3+PE) must be installed by a qualified engineer. The three- phase compressors are supplied without plug and cable.

The power supply cable must be fed into the electrical cabinet through the dedicated cable clamps 1 situated on the RH side and on the electrical cabinet of the compressor.

For a compressor to function efficiently,it is very important to do maintenance periodically.If newly installed spare parts do not meet the manufacturer's specifications,the result can be increased pressure inside the compressor and therefore an increase in energy consumption and operational cost.

Inferior compressor accessories can drive up operating costs and impact negatively on the functionality of your system.This means that original WINDBELL quality products should be your first and only choice for compressed air accessories such as lubricants filters and trap cartridges.Incorrect intake filters and poor-quality imitations can lead to defects in the air end (as a result of increased particle intake)and increased wear at the site of the compressor.

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