We also took care of URL names so it will be easier for you to remember it in the future. We will keep adding various AC manuals here in. In multiple compressor systems, manual valves must be installed to isolate each compressor. Fixtured Assembly Solutions. Geared Front Attachments. Manual Torque Wrenches. Pneumatic Assembly Tools. Screw Feeder. Servo Electric Presses. Torque Controllers. Torque Software. Bolting Software. Continuous Rotation.
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The doors may be opened for short periods only, e. Wear ear protectors when opening a door. People staying in environments or rooms where the sound pressure level reaches or exceeds 90 dB A shall wear ear protectors. If warm cooling air from compressors is used in air heating systems, e. Do not remove any of, or tamper with, the sound-damping material. Never remove or tamper with the safety devices, guards or insulations fitted on the machine. Every pressure vessel or auxiliary installed outside the machine to contain air above atmospheric pressure shall be protected by a pressure-relieving device or devices as required.
Precautions during maintenance or repair 1. Use only the correct tools for maintenance and repair work. Use only genuine spare parts. All maintenance work shall only be undertaken when the machine has cooled down.
A warning sign bearing a legend such as "work in progress; do not start" shall be attached to the starting equipment. Close the compressor air outlet valve before connecting or disconnecting a pipe. Before removing any pressurized component, effectively isolate the machine from all sources of pressure and relieve the entire system of pressure.
Never use flammable solvents or carbon tetrachloride for cleaning parts. Take safety precautions against toxic vapours of cleaning liquids. Scrupulously observe cleanliness during maintenance and repair. Keep dirt away by covering the parts and exposed openings with a clean cloth, paper or tape. Never weld or perform any operation involving heat near the oil system.
Oil tanks must be completely purged, e. Never weld on, or in any way modify, pressure vessels. Whenever there is an indication or any suspicion that an internal part of a machine is overheated, the machine shall be stopped but no inspection covers shall be opened before sufficient cooling time has elapsed; this to avoid the risk of spontaneous ignition of the oil vapour when air is admitted.
Never use a light source with open flame for inspecting the interior of a machine, pressure vessel, etc. Make sure that no tools, loose parts or rags are left in or on the machine. All regulating and safety devices shall be maintained with due care to ensure that they function properly. They may not be put out of action. Before clearing the machine for use after maintenance or overhaul, check that operating pressures, temperatures and time settings are correct.
Check that all control and shut-down devices are fitted and that they function correctly. If removed, check that the coupling guard of the compressor drive shaft has been reinstalled. Every time the separator element is renewed, examine the discharge pipe and the inside of the oil separator vessel for carbon deposits; if excessive, the deposits should be removed.
Protect the motor, air filter, electrical and regulating components, etc. Make sure that all sound-damping material, e. If damaged, replace it by genuine material from the manufacturer to prevent the sound pressure level from increasing. Never use caustic solvents which can damage materials of the air net, e. Check that the working area is adequately ventilated; if required, use breathing protection. In case of refrigerant contact with the skin, rinse the skin with water. If liquid refrigerant contacts the skin through clothing, never tear off or remove the latter; flush abundantly with fresh water over the clothing until all refrigerant is flushed away; then seek medical first aid.
Protect hands to avoid injury from hot machine parts, e. Also consult following safety precautions: Safety precautions during installation and Safety precautions during operation. The compressor is air-cooled and belt-driven by an electric motor.
The compressor is enclosed in soundinsulated bodywork. A cabinet housing the regulator, pressure switch and motor starter is integrated into the bodywork. Floor-mounted model The compressor is installed directly on the floor. A condensate drain system is provided including a valve for automatic draining during operation Da and a manual drain valve Dm1. GX Pack The compressor is not fitted with an air cooler, air dryer and condensate drain system as standard.
The air is discharged via minimum pressure valve Vp towards the air outlet AO. When the oil temperature is below the set-point of the valve, the by-pass valve shuts off the oil supply from oil cooler. The by-pass valve starts opening the supply from cooler Co when the oil temperature exceeds the setting of the valve. The setting of the by-pass valve depends on the model.
See the section Compressor data. A fan FN , mounted directly onto the motor shaft, generates the cooling air in order to cool the oil. An air cooler Ca is available as option. A fan FN , mounted directly onto the motor shaft, generates the cooling air in order to cool the oil and the compressed air. Unloading If the working pressure reaches the maximum limit, the solenoid valve is de-energised venting the control air: the inlet valve closes completely and the unloading valve opens completely.
The compressor will automatically restart when the net pressure drops to the minimum limit. Pressing the button cancels the stored alarm indication. When pressing the button during more than 3 seconds, the central control unit is tested: all the LEDs must be on. START button. Pressing the button switches on the compressor. The motor starts 25 seconds after the button is pushed.
STOP button. Pressing the button starts the compressor switch-off phase: the compressor runs idle during seconds 2 minutes before stopping. The NC contact of FM1 is closed again, but the fault is not yet reset. The NC contact closed again, but the fault is not yet reset.
The motor will start after a delay of 25 seconds. Operation of the central control unit The central control unit is programmed for Energy Saving. It will automatically start and stop the compressor, depending on the need for compressed air.
Before switching off, the compressor will run idle unloaded. The idling period decreases when the air consumption decreases, thus reducing idle running to a minimum. See also Regulating system. After the stop command, the compressor will run unloaded for a period of seconds and then stop. Hm Hour meter Indicates the total running time. Gdp Dew-point gauge Indicates the dew-point temperature. About The Author masuzi. Leave a Reply Cancel reply Notify me of follow-up comments by email.
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