VONROC CR504AC Silent Compressor Instruction Manual

VONROC CR504AC Silent Compressor

SAFETY INSTRUCTIONS

Read the enclosed safety warnings, the additional safety warnings and the instructions. Failure to follow the safety warnings and the instructions may result in electric shock, fire and/or serious injury. Save the safety warnings and the instructions for future reference.
The following symbols are used in the user manual or on the product:

• Read the user manual.
• Denotes risk of personal injury, loss of life or damage to the tool in case of non-obser-vance of the instructions in this manual.
• Do not expose to rain.
• Protect the appliance against frost.
• Prohibition: Do not open the cock before the air hose has been connected.
• Risk of electric shock.
• Risk of burns caused by hot surfaces.
• Caution: the compressor could start automatically in case of a black-out and subsequent reset.
• Wear hearing protection.
• The guaranteed sound power level
• LWA = 78 dB(A).
• Do not dispose of the product in unsuitable containers.
• The product is in accordance with the applicable safety standards in the European directives.

GENERAL POWER TOOL SAFETY WARNINGS

WARNING: Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

1. Work area safety

   • a) Keep the work area clean and well lit. Cluttered or dark areas invite accidents.
   • b) Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.
   • c) Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

2. Electrical safety

   • a) Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock.

   • b) Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.

   • c) Do not expose power tools to rain or wet conditions.
     Water entering a power tool will increase
     the risk of electric shock.

   • d) Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock.

   • e) When operating a power tool outdoors, use an
     extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock.

   • f) If operating a power tool in a damp location is unavoidable, use a residual current device (RCD) protected supply. Use of an RCD reduces the risk of electric shock.

3. Personal safety

   • a) Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication.
     A moment of inattention while operating power tools may result in serious personal injury.

   • b) Use personal protective equipment. Always wear eye protection. Protective equipment such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries.

   • c) Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch or energising power tools that have the switch on invites accidents.

   • d ) Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury.

   • e) Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.

   • f) Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts.

   • g) If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce dust related hazards.

   • h) Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles. A careless action can cause severe injury within a fraction of a second.

4. Power tool use and care

   • a) Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed.
   • b) Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired.
   • c) Disconnect the plug from the power source and/ or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally.
   • d) Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users.
   • e) Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.
   • f) Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.
   • g) Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation.
   • h) Keep handles and grasping surfaces dry, clean and free from oil and grease. Slippery handles and grasping surfaces do not allow for safe handling and control of the tool in unexpected situations.

5. Service

   • a) Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.

SPECIAL SAFETY INSTRUCTIONS

• Warning! The compressor may only be used in suitable rooms (with good ventilation and an ambient temperature from 5°C to +40°C).
• Check that the tank is fully decompressed before connections with the tank are unscrewed.
• It is prohibited to make holes in, or welds to, or purposely to distort the compressed air tank.
• Do not perform any actions on the compressor without first having taken the plug out of the plug socket.
• Do not aim water jets or jets of flammable liquids at the compressor.
• Do not place flammable objects near the compressor.
• Switch the switch (2) to the “0” position (OFF) during dwell time.
• Never aim the air jet at persons or animals.
• Do not transport the compressor with the tank pressurised.
• N.B.: some parts of the compressor such as the head and the feed-through pipes may reach high temperatures. Do not touch these parts to avoid burns.]
• Transport the compressor by lifting it or by using the special grips or handles.
• Children and animals should be kept far away from the area of operation of the machine.
• If you use the compressor to spray paint:
  • a) Do not work in enclosed spaces or near naked flames.
  • b) Make sure that the environment in which you will be working has dedicated ventilation.
  • c) Protect your nose and mouth with a dedicated mask.
• Do not use the compressor when the electrical cable or the plug is damaged, and instruct an authorised Support Service to replace them with an original part.
• When the compressor is placed on a surface higher than the floor, it should be secured to prevent it from falling down during operation.
• Do not put objects or your hands in the protective covers to avoid physical damage and damage to the compressor.
• Do not use the compressor as a blunt instrument against persons, objects or animals in order to prevent serious damage.
• If the compressor is no longer in use, always take the plug out of the plug socket.
• Always make sure that compressed-air hoses are used for compressed air and which are characterised by a maximum pressure adjusted to that of the compressor. Do not try to repair the hose if it is damaged.

SAFETY INSTRUCTIONS FOR WORKING WITH COMPRESSED AIR GUNS

• The compressor and hoses can get very hot during operation. Touching them can cause burns.
• The gases or vapours sucked in by the compressor intake must be kept free of admixtures that could lead to fires or explosions inside the compressor.
• When removing the hose coupling, always hold the hose coupling firmly to avoid injury caused by the hose flying off .
• When working with the blow-out gun, wear goggles. Foreign bodies and blown out particles can easily cause injuries.
• Do not direct the blow-out gun at people or use it to clean clothing you are wearing.

Electrical safety
When using electric machines always observe the safety regulations applicable in your country to reduce the risk of fire, electric shock and personal injury. Read the following safety instructions and also the enclosed safety instructions.

CAUTION: Always check that the power supply corresponds to the voltage on the rating plate.

Connecting to the power supply
Check that the power supply and plug used in accordance with your machine. Have a look at the rating plate on the machine. Any changes should always be carried out by a qualified electrician.

Warning

• This machine must be earthed. If not properly earthed this machine can cause an electrical shock. Be sure that the power supply outlet is earthed. If there is any doubt, have it checked by a qualified electrician.
• Avoid contact with the terminals on the plug when installing (removing) the plug to (from) the power supply outlet. Contact will cause a severe electrical shock.

Replacing cables or plugs
If the replacement of the supply cord is necessary, this has to be done by the manufacturer or his agent in order to avoid a safety hazard. Immediately throw away old cables or plugs when they have been replaced by new ones. It is dangerous to insert the plug of a loose cable in the wall outlet.

Using extension cables
Only use an approved extension cable suitable for the power input of the machine. The minimum conductor size is 1.5 mm². When using a cable reel always unwind the reel completely.

MACHINE INFORMATION

Intended use
The compressor is designed to generate compressed air for compressed air driven tools. This compressor is not designed for continuous operation.

TECHNICAL SPECIFICATIONS

Model No.

| CR504AC / CR504AC_GREY / CR504AC_WHITE
---|---
Compressor type| Piston – oil free – low noise
Compressor drive| Direct drive
Voltage| 220-240V~
Frequency| 50 Hz
Input power| 750W
Horsepower| 1 HP
Operating mode| S3 50% *
Idling speed| 1450/min
IP class| IP30
Protection class| Class I
Air intake| 128 l/min
Output (compressed air) at 7 bar| 42 l/min
Output (compressed air) at 4 bar| 65 l/min
Max. outlet pressure| 8 bar
Cut-in pressure approx.| 6 bar
Cut-out pressure approx.| 8 bar
Tank capacity| 6L
Cable length| 2m
Weight| 16 kg
Sound pressure level| LpA = 79.7 dB(A) KpA = 3 dB(A)
Sound power level| LWA = 92.7 dB(A) KWA = 3 dB(A)

S3 = intermittent operation without the impact of the start-up. This means that during a period of 10 minutes, the maximum operating time is 50% (e.g. 5 minutes of work and 5 minutes of rest) , under optimal environmental conditions (max. temp
25°C). Respecting these guidelines and the prescri-bed maintenance intervals will allow the product to work properly over time.

DESCRIPTION
The numbers in the text refer to the diagrams on page 2-3.

1. Cover
2. Switch
3. Pressure switch
4. Pressure regulator
5. Quick coupler (outlet)
6. Pressure gauge (operating pressure)
7. Pressure gauge (tank pressure)
8. Safety valve
9. Handle
10. Pressure pipe
11. Drain cock
12. Air inlet
13. Air filter
14. Overload switch
15. Tank
16. Rubber feet

ASSEMBLY

WARNING: Before assembly, always switch off the machine and remove the mains plug from the mains.

Mounting the air filter (Fig. A, B)

1. Remove the transport lid and replace them with the supplied air filter (13) before using the com-pressor.
2. Mount the air filter (13) by screwing the air filter (13) clockwise into the air inlet (12) as shown on figure B.

Installing the compressor

• The compressor should be installed in ventila-ted and dry environment.
• Make sure the compressor is placed on the horizontal and stable ground.
• Place the compressor on a flat surface or at a maximum slope of 10°, in a well ventilated area, protected against atmospheric factors and not in explosive surroundings.
• If the surface area is sloping and smooth, make sure that the compressor will not move when in operation.
• For proper ventilation and effective cooling, it is important that the compressor is positioned at least 50 cm away from any wall or obstacle.
• Make sure that the compressor is transported in the right way, do not turn it upside down and don’t lift it with hooks or ropes.

OPERATION

• You must fully assemble the compressor before using it for the first time.
• Long supply cables, extensions, cable reels etc cause a drop in voltage and can impede motor start-up. Do not use cables longer than
• 10m. Vonroc advises to use a longer air hose instead.
• It can be more difficult to start-up the motor during conditions of temperatures below 5°C.
• The head/cylinder/transmission pipe assembly may reach high temperatures, so take care when working close to these parts and do not touch them to avoid burns.

Starting up (Fig. A)

1. Check whether the mains voltage corresponds to that indicated on the electrical specification plate.
2. Push the ON/OFF switch (2) into the position ‘O’ to switch the compressor off.
3. Put the plug in the plug socket.
4. Pull the ON/OFF switch (2) into the position ‘I’ to switch the compressor on.
5. The operation of the compressor is fully automatic. The pressure switch (3) will stop the compressor when the maximum value has been reached and start it up when the pressure drops below the minimum value. The pressure switch (3) is set at the factory. Normally the difference in pressure is approx. 2 Bar/29 psi between the maximum and the minimum value. The compressor will stop when it reaches 8 Bar (116 psi) (this is the maximum operating pressure) and will start up automatically when the pressure within the tank has dropped to 6 Bar (87 psi).

Connecting the air hose and tool (Fig. A)

1. Turn the pressure regulator (4) turning knob anti-clockwise till pressure is fully released.
2. Insert the connector of the air hose (not inclu-ded) into the quick coupler (5) on the compres-sor. When pushing, the connector clicks into place to secure the air hose.
3. Connect the air tool (not included) you want to use to the quick coupler of the air hose.
4. Turn the pressure regulator (4) turning knob clockwise, till the pressure gauge (6) shows the pressure level you need.
5. Your air tool is now ready to use.

Disconnecting the air hose and tool (Fig. A)

WARNING: When releasing the quick coupler, be sure to hold the hose to protect yourself from injury from the rebounding hose.

1. Turn the pressure regulator (4) turning knob anti-clockwise till pressure is fully released.
2. Reduce the pressure by activating the air tool (not included).
3. Pull back the sleeve on the air hose quick coupler and remove your air tool.
4. Pull back the sleeve on the quick coupler (5) and remove the hose.

Reading the pressure (Fig. A)
The compressor has two pressure gauges (6,7). The tank pressure can be read on the pressure gauge (7) and the operating pressure (regulated pressure) can be read on the pressure gauge (6). The black scale indicates the pressure in bar and the red scale indicates the pressure in PSI.

Adjusting the operating pressure (Fig. A)

CAUTION: It is not always necessary to use the maximum operating pressure. The air tools often require less pressure. Always check the correct operating pressure of the tool you intend to use.

With regard to compressors supplied with a pressure regulator (4) it is necessary to set the operating pressure properly. It is possible to set the operating pressure by using the turning knob on the pressure regulator(4):

• By turning clockwise, the operating pressure will be increased.
• By turning anti-clockwise, the operating pressure will be reduced.

Note: when not connecting an air tool while adjus-ting the pressure, it might occur the pressure gauge (6) is not reacting accurately on the pressure drop.

Overload switch (Fig. A)
The motor is fitted with an overload switch (14). If the compressor overloads, the overload switch (14) switches the equipment off automatically to protect the compressor from overheating. If the overload switch (14) triggers, switch off the compressor using the ON/OFF switch (2) and wait until the compressor cools down. Then press the overload switch (14) and restart the compressor.

Finish operation (Fig. A, C)

WARNING

• Do not touch the compressor unless its power has been cut off for at least 10 minutes.
• When there is the risk of frost or if you do not use your compressor for a long time, please properly store your compressor.

1. Check that the ON/OFF switch (2) is in the ‘O’ position.

2. Remove the mains plug from the mains.

3. Reduce the pressure in the tank till approxima tely 2 bar by connecting and activating an air tool.

4. Then slowly turn the drain cock (11) on the lo-wer side of the tank open. The water in the tank
   (15) will now leak out of the tank (15).

5. Take care when compressed air is in the tank
   (15) because the water can come out with some force. Recommended pressure max. 1-2 Bar.

6. Remove the air tool and hose.

7. Clean and store the device (see ‘Maintenance’).

MAINTENANCE

• Before cleaning and maintenance, always switch off the machine and remove the mains plug from the mains.
• Do not touch the compressor unless its power has been cut off for at least 10 minutes. Risk of burns!
• Always depressurize the tank before carrying out any cleaning and maintenance work.

Clean the machine casings regularly with a soft cloth, preferably after each use. Make sure that the ventilation openings are free of dust and dirt. Re- move very persistent dirt using a soft cloth moiste-ned with soapsuds. Do not use any solvents such as gasoline, alcohol, ammonia, etc. Chemicals such as these will damage the synthetic components.

Drain the tank (Fig. C)

WARNING: Check the pressure tank for signs of rust and damage each time before using. Do not use the compressor with a damaged or rusty pressure vessel.

Compressing air will cause water in the tank. Regu-larly drain the water from the tank to prevent tank corrosion. It depends on the humidity, but advice is after each use.

1. Reduce the pressure in the tank till approximate-ly 2 bar by connecting and activating an air tool.
2. Then slowly turn the drain cock (11) on the lo-wer side of the tank open. The water in the tank will now leak out of the tank.
3. Take care when compressed air is in the tank because the water can come out with some force. Recommended pressure max. 1-2 Bar.

Clean the air filter (Fig. D)

WARNING

• It is recommended to disassemble the suction filter every 50 operating hours and to clean the filter element by blowing it with compressed air.
• It is recommended that the filter element is replaced at least once a year if the compressor is working in a clean environ-ment; more often if the environment in which the compressor is situated is dusty. A clogged intake filter will decrease the compressor’s performance dramatically.

1. Open the halves of the air filter housing. Use compressed air at low pressure (approx. 3 bar) to blow out all the parts of the filter
2. Assemble the filter in reverse order.

STORAGE AND FROST PROTECTION
The compressor and accessories that are not completely drained can be destroyed by frost. Com-pletely drain the compressor and accessories and protect them against frost. Keep this appliance in well-ventilated dry premises with temperature not going below +5°C. When not in use, keep this appli-ance stored in a safe place out of reach of children.

Malfunction
Should the machine fail to function correctly, a number of possible causes and the appropriate solutions are given below:

Air loss

• May be caused by a poor seal of a connection.
• Check all air connections by wetting them with a soapy water solution (Never use the solution nearby electric connections).
• When the tank is empty and being filled. The user might hear a sisseling sound by the pres-sure switch. This is normal and will stop before the compressor reach a pressure of 1.5 bar.
• Check if the drain cock (11) is closed well.

The compressor will not start
If the compressor is difficult to start, check:

• Whether the voltage of the mains corresponds to that on the specification plate.
• Whether electrical extension cables are being used with a faulty core or length.
• Whether the operating environment is too cold (below 5°C).
• Whether there is electricity supply (plug properly connected, magneto-thermal fuses not broken).

The compressor does not shut off
If the compressor does not shut off when the maxi-mum pressure has been reached, the safety valve of the tank will be activated. It is necessary to contact the nearest authorised Support Service for the repair.

ENVIRONMENT

Faulty and/or discarded electrical or electronic apparatus have to be collected at the appropriate recycling locations.

Only for EU countries
Do not dispose of power tools into domestic waste. According to the European Guideline 2012/19/EU for Waste Electrical and Electronic Equipment and its implementation into national right, power tools that are no longer usable must be collected separately and disposed of in an environmentally friendly way.

WARRANTY

VONROC products are developed to the highest quality standards and are guaranteed free of defects in both materials and workmanship for the period lawfully stipulated starting from the date of original purchase. Should the product develop any failure during this period due to defective material and/or workmanship then contact VONROC directly.

The following circumstances are excluded from this guarantee:

• Repairs and or alterations have been made or attempted to the machine by unauthorized service centers;
• Normal wear and tear;
• The tool has been abused, misused or improperly maintained;
• Non-original spare parts have been used.

This constitutes the sole warranty made by compa-ny either expressed or implied. There are no other warranties expressed or implied which extend beyond the face hereof, herein, including the im-plied warranties of merchantability and fitness for a particular purpose. In no event shall VONROC be liable for any incidental or consequential damages. The dealers remedies shall be limited to repair or replacement of nonconforming units or parts.

The product and the user manual are subject to change. Specifications can be changed without further notice.

**DECLARATION OF CONFORMITY

**

We declare under our sole responsibility that this product is in conformity with directive 2011/65/EU of the European parliament and of the council of 8 June on the restriction of the use of certain hazardous substances in electrical and electronic equipment is in conformity and accordance with the following standards and regulations:

• Measured sound power level: 77.5 dB(A)
• Guaranteed sound power level: 78 dB(A)
• Conformity assessment method to Annex VI Directive 2000/14/EC amended by 2005/88/EC.
• The notified body involved: Intertek Deutschland GmbH, Certification Body of the Notified Body 0905

EN1012-1, EN 62841-1, EN 55014-1, EN 55014-2, EN61000-3-2, EN61000-3-3, 2011/65/EU, 2014/29/EU, 2000/14/EC, 2005/88/EC, 2006/42/EC, 2014/30/EU, 2012/19/EU

VONROC • Lingenstraat 6 • 8028 PM Zwolle • The Netherlands

©2022 VONROC
WWW.VONROC.COM
2203-17

References

• VONROC Gereedschap & Tuin artikelen

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