Chicago Pneumatic CPVS 20 Caractéristiques techniques

CPVS 20 – 30 PRODUCT DESCRIPTION

The CHICAGO PNEUMATIC CPVS 20-30 compressor is a quiet, complete and

ready-for-use unit for the production of compressed air for light and medium

industrial applications.

OVERVIEW

The CHICAGO PNEUMATIC CPVS 20-30 consists of a single-stage screw rotary

compressor with oil injection technology, standard low-sound enclosure, ES3000

microprocessor with VSD operation, totally-enclosed fan-cooled (TEFC) motor with

soft start and reliable belt-drive transmission. Maximum operating pressure is 190

psig. The CHICAGO PNEUMATIC CPVS 20-30 is designed for indoor installation

and carries a standard 1 year warranty. Upon satisfactory commissioning, the

warranty shall be extended to a CP SECURE 5 Year Warranty (see warranty policy

for details).

MAJOR COMPONENTS

1. Dry air suction filter. Before being ingested, the atmospheric air is filtered by a

panel pre-filter placed on the cabinet of the machine. The air is then filtered

again by the 2 micron air filter element at the inlet of the compressor

2. Inlet assembly equipped with intake regulator and solenoid valve for idle or

discharge operation, able to avoid oil backups due to eventual and sudden stops

under load

3. 5 on 6 lobe rotary screw compressor airend that assures:

- Maximum yield and maximum efficiency in any condition of operation

- Low noise level

- Low air losses and/or blow-by

4. Asynchronous, 460V, three-phase electric motor, 2 pole, class F insulation, top-

mounted junction box and TEFC protection which provides resistance to dust,

debris and liquids, increasing motor and compressor life

5. Efficient cooling system with forced ventilation and air flows via dedicated turbine

or axial fan for optimum heat transference to package ambient

6. The drive transmission from the electric motor to the compression unit is

performed by means of V-belts. Multiple belts permit the dissipation of heat,

increasing their longevity and decreasing downtime.

7. Oil filter to hold eventual solid particles in suspension in the oil helping to prevent

contamination into the airend and compressed air.

8. High efficiency air/oil separator element to ensure the best separation of oil from

the compressed air. Separation shall take place through at least three methods,

CPVS 20-30 Product Description

including but not limited to: impact separation, gravitational separation and

centripetal separation. The receiver tank collects and recycles the lubricant for

distribution throughout the fluid circuit. Lubricant carryover with new components

is 3ppm.

9. Integrated air/oil cooling blocks of industrial-grade, treated aluminum with finned

pack for the cooling of application air and lubricating oil before injection into the

compression chamber.

10.Filtering panel for pre-filtration of all the air incoming in the machine.

11.Full cabinet enclosure which is aesthetically pleasing, primed and powder-coated

with UV resistant epoxy paint to a minimum of 2 mils. Cabinet is formed from

varnished steel sheet and lined internally with acoustic insulating material.

12.VACON variable speed drive

xIntegrated line reactor to smooth voltage fluctuations

xAllows continuous duty operation with turndown as low as 20% of full load

capacity while maintaining a pressure band of +/- 2 psig

xProvides soft start capability

oReduces inrush currents

oLowers motor power consumption

ELECTRICAL PANEL

- Electrical control panel in a metallic enclosure with keyed entry in compliance with

the safety standards in force featuring:

xNEMA 1 electromechanical protection

xAutomatic soft start operation

xThermal protection for the electric motor

xSingle-phase safety transformer with protection upstream and downstream by

means of circuit breakers

xPower fail circuitry and ES3000 microprocessor

- Disconnecting switch with two positions:

xAt position “0” allows the opening of the control panel

xAt position “1” allows the starting of the machine

- Identification label indicating the serial number, the model and the identification

data of the compressor

ES3000 CONTROLLER

The CHICAGO PNEUMATIC CPVS 20-30 is managed by the ES3000, an electronic

control unit programmed for energy saving operation with intelligent shut-down.

- Controls all operations related to the use of the compressor: loading, idling, stop

and restart of the compressor

- Performs the control and the regulation of the machine

CPVS 20-30 Product Description

- Signals any eventual malfunction in progress

- Stops the compressor due to alarm in progress

- Displays the information on the machine maintenance program

- Connections for facilitating communications and networking

x8 digital inputs

x4 analogical inputs

x14 digital outputs for field controls

x1 analogical output device

x1 interface port for the eventual enabling of a remote control

x1 serial port for connection to a PC in order to access the programming

functions

xNetworking capability for 6 compressors

oAt least 3 must be equipped with ES3000

oA maximum of 3 can be other microprocessor based controllers

- Display

xUpper display: displays the compressor pressure

xLower display: displays the temperature, the total hours, load hours

xTab to go to the next field of the screen on the display

xButtons on each menu allow programming of the controller

xSeries of green LEDs indicating the normal operation phases of the

compressor

xSeries of yellow LEDs (blinking in the forewarning phase) signaling the

maintenance period time

xSeries of red LEDs (blinking in the prealarm phase) signaling the intervention

of a safety device

xStart, stop, reset, test push buttons and compressor idling LEDs

CPVS 20-30 Product Description

ENERGY SAVINGS DURING UNLOADED OPERATION

The CHICAGO PNEUMATIC CPVS 20-30 does not idle and therefore consumes no

power during unloaded operation.

SAFETY DEVICES

High Pressure Sensor

- This protects the compressor against any abnormal rise in delivery pressure

Safety Valve

- Exhausts air if compressor runs over maximum working pressure

- Protects the compressor and down stream equipment from potential damage

Automatic Blow-Down Valve

- De-pressurizes compressor when compressor stops

- Prevents accidental starting of the compressor under load

Minimum Pressure Valve

- Ensures optimum internal pressure for oil circulation before producing compressed

air

- Prevents potential airend failure and optimum oil separation

Thermostatic Bypass Valve

- Ensures oil reaches optimum temperature before passing through the cooler

- Prevents thermal overload on the main motor during start up on cold days.

Non-Return Valve

- Stops reverse rotation of airend/motor

- Ensures no air/oil mixture exhausts through the air inlet filter on shutdown

High Temperature Thermostat

- Stops the compressor when air/oil temperature exceeds design parameters

- Reduces risk of airend failure

Motor Thermal Overload

Thermal overloads are fitted to both the main and fan motors to prevent burn outs

and expensive rewinds.

CPVS 20-30 Product Description

CONTROL DEVICES

- Minimum pressure check-valve

- Rapid discharge for quick, automatic depressurization system to ensure a reliable

idle restart without foaming the lubricant or damaging components

- Visible oil level via sight glass on the separator tank

- Gauge for the reading of the air-oil separator pressure

- Pressure transducer for the setting and the reading of the operation pressure

- Thermal probe for the control and the reading of the temperature value of the air/oil

mixture delivered to the airend

LUBRICATING SYSTEM

The CHICAGO PNEUMATIC CPVS 20-30 is supplied with an 8,000 synthetic blend

lubricant. Within the compression unit, the air and lubricating oil are mixed together

and sent to the oil/air separation system in order to reduce the oil carryover in

suspension. The oil and the compressed air are separately cooled by means of a

final air and oil cooler. It is kept in constant transit by the pressure difference of the

compressed air circuit, thereby avoiding the use of power consuming oil pumps.

Proper filtration and effective cooling ensure optimal operating conditions for the oil

and grant performance longevity of the compressor. The oil has three main

functions:

- Lubrication of the airend and reduction of frictional losses

- Cooling of the airend by transmitting heat from the compression elements

- To provide a seal between the rotors of the airend

THE LATEST EVOLUTION OF THE ASSYMETRICAL PROFILE AIREND

Combining proven technology with advanced materials and production methods, we

have developed a new airend that sets the standard for efficiency and reliability. The

oil flooded asymmetrical screw type element ensures peak performance with no loss

in efficiency throughout the life of the compression element.

COOLING AIR

Cooling air is drawn in at high level to ensure the minimum amount of dust

contamination enters the package. The inlet baffles optimize the air flow entering in

the unit allow the compressor to be installed next to a wall which lowers the

installation space required and saves on maintenance costs. The baffles also

minimize the velocity of cooling air entering the package which prevents pre-filters air

particulates. A large turbine fan gives the benefits of increased cooling efficiency,

reduced noise levels and reduced power consumption. The aftercooler reduces the

compressed air temperature to approximately 18°F above ambient temperature

where approximately 70% of the water vapor in the air condenses into water droplets

and can be removed via drain or moisture separator. This protects down stream

equipment from water contamination, increasing the reliability of pneumatic

equipment and reducing product contamination.

TEFC MOTOR

The TEFC motor is protected from dust and water which increases the lifespan of the

motor. With superior cooling efficiency from the turbine fan, optimum cooling of the

CPVS 20-30 Product Description

motor and the compressor is achieved. The TEFC motor ensures motor efficiency

for the life of the compressor.

INLET BAFFLES

The inlet baffles reduce inlet air velocity, allow the compressor to be installed next to

a wall which reduces the levels of airborne contamination entering the package and

lowers overall maintenance costs.

EASY MAINTENANCE

The CHICAGO PNEUMATIC CPVS 20-30 is designed so that all the major internal

parts are easily accessible for rapid maintenance operations. For the replacement

and/or the tightening of the belts, only the fixed protection has to be removed. To

replace the suction filter just remove the cover and replace the filter element. The

particular construction of the cover allows this operation even if a warm air duct is

installed, without removing any other component. The external filter panel can be

easily removed from its position for period cleaning. For the discharge of the

condensate of the oil separator, the topping off of the oil and/or replacement of oil,

only the front panel needs to be removed. For the replacement of the oil filter and of

the air-oil separator filter only the cover and the front panel should be removed.

AIR DUCTING

The CHICAGO PNEUMATIC CPVS 20-30 is designed to allow easy installation of

both the incoming and the outgoing via ductwork. The incoming air can be conveyed

on the right side of the machine without creating any interference with any

component of the compressor. The outgoing air can be conveyed by the upper side

of the machine and this does not interfere with the normal maintenance operation of

the machine.

HANDLING

- THREE points accessible for the handling

- Possibility to use both a hand pallet as well as a forklift

- Distribution of the lifting points is in line with the center of gravity

- Lifting points provide easy handling after removal from the transport pallet

INSTALLATION

The compressor-motor assembly is assembled on the frame of the machine by

means of flexible supports which allow the installation of the compression unit to be

directly onto a stable, flat surface without need of further anti-vibration provisions.

The self-supporting cabinet does not request any floor fastening bolt or device,

although it is recommend that the compressor be mounted to a stable fixture to

reduce vibration transmission.

For the installation, only the following connections need to be performed:

- Connection to the electric network:

- Connection to the compressed air use network

CPVS 20-30 Product Description

CPVS 40-250 PRODUCT DESCRIPTION

The CHICAGO PNEUMATIC CPVS 40-250 compressor is a quiet, complete and

ready-for-use unit for the production of compressed air in industrial applications.

OVERVIEW

The CHICAGO PNEUMATIC CPVS 40-250 consists of a single-stage screw rotary

compressor with oil injection technology, variable speed operation, standard low-

sound enclosure, AIRLOGIC microprocessor, totally-enclosed fan-cooled (TEFC)

motor with reduced voltage “soft” starting and efficient gear-drive transmission.

Maximum operating pressure is 140 psig. The CHICAGO PNEUMATIC CPVS 40-

250 is designed for indoor installation and carries a standard 1 year warranty. Upon

satisfactory commissioning, the warranty shall be extended to a CP SECURE 5 Year

Warranty (see warranty policy for details).

MAJOR COMPONENTS

1. Dry air suction filter. Before being ingested, the atmospheric air is filtered by a

panel pre-filter placed on the cabinet of the machine. The air is then filtered

again by the 2 micron air filter element at the inlet of the compressor

2. Inlet assembly equipped with intake regulator and solenoid valve for idle or

discharge operation, able to avoid oil backups due to eventual and sudden stops

under load

3. 5 on 6 lobe rotary screw compressor airend that assures:

- Maximum yield and maximum efficiency in any condition of operation

- Low noise level

- Low air losses and/or blow-by

4. Asynchronous, 460V, three-phase electric motor, 2 pole, class F insulation, top-

mounted junction box and TEFC protection which provides resistance to dust,

debris and liquids, increasing motor and compressor life

5. Efficient cooling system with forced ventilation and air flows via dedicated turbine

or axial fan for optimum heat transference to package ambient

6. The drive transmission from the electric motor to the compression unit is

performed via a set of high efficiency gears.

7. Oil filter to hold eventual solid particles in suspension in the oil helping to prevent

contamination into the airend and compressed air.

8. High efficiency air/oil separator element to ensure the best separation of oil from

the compressed air. Separation shall take place through at least three methods,

including but not limited to: impact separation, gravitational separation and

centripetal separation. The receiver tank collects and recycles the lubricant for

CPVS 40-250 Product Description

distribution throughout the fluid circuit. Lubricant carryover with new components

is 3ppm.

9. Integrated air/oil cooling blocks of industrial-grade, treated aluminum with finned

pack for the cooling of application air and lubricating oil before injection into the

compression chamber.

10.Filtering panel for pre-filtration of all the air incoming in the machine.

11.Full cabinet enclosure which is aesthetically pleasing, primed and powder-coated

with UV resistant epoxy paint to a minimum of 2 mils. Cabinet is formed from

varnished steel sheet and lined internally with acoustic insulating material.

12.Rugged, industrial quality Vacon variable speed drive with integrated line reactor

for smoothing voltage fluctuations

CPVS 40-250 Product Description

ELECTRICAL PANEL

- Electrical control panel in a metallic enclosure with keyed entry in compliance with

the safety standards in force featuring:

xNEMA 1 electromechanical protection

xAutomatic reduced voltage “soft” starter

xThermal protection for the electric motor

xSingle-phase safety transformer with protection upstream and downstream by

means of circuit breakers

xPower fail circuitry and AIRLOGIC microprocessor

- Identification label indicating the serial number, the model and the identification

data of the compressor

CPVS 40-250 Product Description

CONTROL SYSTEM

The AIRLOGIC is an intelligent electronic controller that offers a 4 line x 16 character

digital display and the opportunity to choose 3 of 25 languages. Navigation is simple

and logical which facilitates entry of new parameters and access to compressor

information. This controller has many standard features:

- Weekly programming

- Selection of 2 pressure bands

- Password protection of functional parameters

- Remote control and monitoring

- Running time percentage

- Regulates pressure band within a minimum of 3 psi.

- Manages the reduced voltage “soft” starting transition

- Controls all operations related to the use of the compressor: loading, idling, stop

and restart of the compressor

- Performs the control and the regulation of the machine

- Signals any eventual malfunction in progress

- Stops the compressor due to alarm in progress

- Displays the information on the machine maintenance program

- Networking capability for 4 compressors

The AIRLOGIC has a number of built-in safety features to protect the compressor’s

operation:

- Rotation detection

- Air loss detection through oil separator

- Limitation on the number of motor restarts

- Protection against starting under pressure and at low temperature

- Auto restart is not possible after a certain laps of time

- Protection against overpressure in the oil vessel and against high oil temperature

- Test of input/output

- Recording history, up to ten events, of fault parameters that can help a technical

diagnosis

The CHICAGO PNEUMATIC CPVS 40-250 ensures that no energy is wasted by

generating pressure that is not required. The regulation system will automatically

change its method of control as air usage patterns change, ensuring maximum

energy efficiency at all times.

Standard Operating Method

The CHICAGO PNEUMATIC CPVS 40-250 runs in variable speed operation,

unloading when the target pressure is reached and shutting down to save energy

until the cut-in pressure is reached. This kind of regulation is most efficient when air

consumption is variable and includes long periods of low air demand. This system is

based on a load period that will pressurize a receiver tank and then prevents wasted

power consumption while the compressor runs idle until the pressure drops below

the minimum level. The compressor is regulated through a pressure sensor whose

pressure range is set on the AIRLOGIC.

CPVS 40-250 Product Description

Ce manuel convient aux modèles suivants

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