Doc. No.ZL3-OM00601 Multistage Ejector/ZL3,ZL6 Series Safety Instructions These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of "Caution", "Warning" or "Danger". They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) and other safety regulations.
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Doc. No.ZL3-OM00601 Multistage Ejector/ZL3,ZL6 Series Safety Instructions Caution The product is provided for use in manufacturing industries. The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries, consult SMC beforehand and exchange specifications or a contract if necessary.
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Doc. No.ZL3-OM00601 Safety Instructions Warning ■Do not disassemble, modify (including the replacement of board) or repair other than instructed in this manual. Otherwise, an injury or failure can result. Disassembly prohibited Do not operate the product outside of the specifications. Do not use the product with flammable or harmful fluids.
Without valve Air pressure supply (1/P) port Vacuum (2/V) port Silencer case (Exhaust) Silencer assembly ZL6 Series ZL3 Series Port exhaust With vacuum pressure switch With pressure gauge Port block Pressure gauge Vacuum pressure switch Exhaust (3/E) port Vacuum pressure sensing port...
Doc. No.ZL3-OM00601 3. Mounting and Installation 3.1 Installation 3.11. Direct mounting 1) Fix the product by mounting it on the top, side or bottom surface. 2) Keep to the recommended tightening torque. Top mounting Mounting hole (2 x 4.1) Bottom mounting Side mounting Female screw Mounting hole (3 x 4.4)
Doc. No.ZL3-OM00601 3.1.3 Precautions 1) When installing the product, allow sufficient space for maintenance and inspection. 2) Tightening torque exceeding the recommended value may damage the product and mounting screws. Insufficient torque can cause displacement of the body from its proper position and the looseness of the mounting screws.
Doc. No.ZL3-OM00601 3.3. Air supply 3.3.1 Air quality 1) Using compressed air which contains chemicals, synthetic oils containing organic solvents, salts or corrosive gases, etc. can cause damage or malfunction. Do not use with fluid or in an environment which contains harmful impurities. 2) If the compressed air contains excessive drainage or carbon powder, it can stick to the vacuum generating part (the nozzle diffuser) or inside of the solenoid valve or the pressure switch for vacuum and cause deterioration of the performance or operation failure.
Doc. No.ZL3-OM00601 3.4. Piping 3.4.1 Port size Port size. Refer to How to Order for details (page 5). Symbol Vacuum (2/V) port Exhaust (3/E) port Pressure sensing port (G) Supply (1/P) port Rc3/4 Rc1/8 One-touch fitting Rc 1/2 Applicable tube diameter G3/4 8(㎜) G1/8...
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Doc. No.ZL3-OM00601 3.4.3 Application and operating pressure range of each port Port Operating pressure Description Application symbols range Air pressure supply Compressed air supply for operating 0.2 to 0.6MPa port vacuum ejector Adsorption equipment including suction ― Vacuum port Exhaust when the vacuum ejector ―...
Doc. No.ZL3-OM00601 3.5 Wiring 3.5.1 Precautions for Wiring 1) Do not pull the lead wire for the solenoid valve or pressure switch forcefully or lift the product by the lead wire. Otherwise damage to the solenoid valve or internal parts can result, causing malfunction or causing the connector to come out.
Doc. No.ZL3-OM00601 4. Solenoid valve 4.1 Manual override There are 3 types of manual override operation. Push the manual override with a screwdriver until it reaches the end. Confirm that the product operates safely before the operation of the manual override. Manual override operation type 無期号: Nil:...
Doc. No.ZL3-OM00601 6. Vacuum release flow adjusting needle 6.1. Vacuum release flow adjusting method Vacuum release air is output by turning the release valve ON. The flow rate of vacuum release air can be adjusted by adjusting the vacuum release flow adjustment needle. For the adjustment of the vacuum release flow, pull the push-lock handle for unlocking.
Doc. No.ZL3-OM00601 7. Structural Drawing and Replacement of Part 7.1. Construction Valve and pressure switch are included.Port exhaust type. Valve and pressure switch are not included. Silencer exhaust type. Valve and pressure switch are not included. Valve and pressure switch are included.Port exhaust type. Silencer exhaust type.
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Doc. No.ZL3-OM00601 7.2 How to Order Replacement Parts Solenoid valve (supply valve/ vacuum release valve) assembly (common for ZL3/ZL6) ZL3-JSY3140-5LaZ a–a 3) Rated voltage 24 VDC With light/surge voltage suppressor Supply valve 1) Electrical entry Release valve With lead wire Without With lead wire Without...
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Doc. No.ZL3-OM00601 Assembly with lead wire with connector for vacuum pressure switch (common for ZL3 / ZL6) Assembly with lead wire with connector for vacuum pressure switch Assembly with lead wire ZS-39-5G with connector for vacuum pressure switch Lead wire assembly with connector for energy saving switch Lead wire assembly with connector ZL3-LW1-N-A for energy saving switch...
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Doc. No.ZL3-OM00601 Silencer assembly (for ZL6) ZL6-SC1-A Silencer assembly (including sound absorbing material) * Sound absorbing material is not sold separately. Port block assembly (common for ZL3/ZL6) ZL3-EP1-1 1) Thread type Port block assembly 7Pressure gauge (common for ZL3/ZL6) Pressure GZ33-K1K-01-X56 gauge (Displayed in kPa)
Doc. No.ZL3-OM00601 8. Maintenance Check and perform the following maintenance in order to use the ejector and the vacuum system and in an appropriate way. 8.1 How to replace the Silencer (ZL3) 1) Loosen the mounting screws (2pcs.) of the silencer assembly to remove the silencer case (Fig. 1). 2) Replace the sound absorbing material in the silencer case (Fig.
Doc. No.ZL3-OM00601 9. Specifications 9.1. Ejector specification Model No. ZL3M ZL3H Nozzle diameter [mm] Standard supply pressure [MPa] 0.35 0.50 Max. vacuum pressure [MPa] Max. suction flow Branch + Port [L/min(ANR)] exhaust Air consumption [L/min(ANR)] Operating pressure range [MPa] 0.2 to 0.6 Operating temperature range [ -5 to 50 (No condensation or freezing) Fluid...
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Doc. No.ZL3-OM00601 9.2 Supply valve and release valve Model No. ZL3-JSY3140 Response time [ms] (at 27 or less 0.5MPa) Minimum operation frequency [Hz] Non-locking push type Manual override Push-turn locking slotted type Push-turn locking (manual type) Coil rated voltage [VDC] +/-10% of the rated voltage ...
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Doc. No.ZL3-OM00601 9.5 Vacuum Switch Specification ZSE10 Pressure switch Model No. Vacuum Pressure switch for vacuum with for compound pressure switch energy saving function pressure Rated pressure range [kPa] -101 to 0 -100 to 100 Set / display pressure range [MPa] -101 to 10 -105 to 105 Proof pressure [kPa]...
Doc. No.ZL3-OM00601 11. Exhaust Characteristics, Flow Characteristics, and Time required to reach the specified vacuum 11.1 Exhaust Characteristics (representative values)
Doc. No.ZL3-OM00601 12. Handling Precautions 12.1. Exhaust from the Ejector The exhaust resistance should be as small as possible to obtain the full ejector performance. There should be no shield around the exhaust port for the silencer exhaust specification. Sound absorbing material is gradually clogged in the following cases.
Doc. No.ZL3-OM00601 13. Troubleshooting When any failure occurs to the product, perform the following trouble shooting. Countermeasure Failure phenomenon Possible causes Decline in the power supply voltage Supply valve Vacuum is not does not Electrical wire failure 2)、3) generated operate The supply pressure exceeds the operating pressure range.
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Doc. No.ZL3-OM00601 Countermeasure Adjust the rated voltage so that the supply voltage for the solenoid valve is within +/-10% of the rated voltage while the simultaneously energized equipment is ON. When the vacuum pressure switch is wired to the common power supply, the rated voltage shall be maintained while the switch is energized. Check the correct connection of the power supply and wiring of plug connectors.
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