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BEFORE USING THE PRODUCT
Be sure to read this instruction manual thoroughly before using this product. Pay attention to all cautions and warnings before
using this product. Incorrect usage could lead to an electrical shock, damage to the product or a fire hazard.
DANGER
・Never use this product in locations where flammable gas or ignitable substances are present.
INSTALLATION WARNING
・When installing, ensure that work is done in accordance with the instruction manual. When installation is improper, there is
risk of electric shock and fire.
・Installation shall be done by Service personnel with necessary and appropriate technical training and experience. There is a
risk of electric shock and fire.
・Do not cover the product with cloth or paper etc. Do not place anything flammable around. This might cause damage,
electric shock or fire.
WARNING on USE
・Do not touch this product or its internal components while circuit in operation, or shortly after shutdown. You may receive a
burn.
・While this product is operating, keep your hands and face away from it as you may be injured by an unexpected situation.
・For products with no cover, do not touch them as there are high­voltage and high temperature parts inside. Touching them
might cause injury such as electric shock or burn.
・There are cases where high voltage charge remains inside the product. Therefore, do not touch even if they are not in
operation as you might get injured due to high voltage and high temperature. You might also get electric shock or burn.
・Do not make unauthorized changes to this product nor remove the cover as you might get an electric shock or might damage
the product. We will not be held responsible after the product has been modified, changed or dis­assembled.
・Do not use this product under unusual condition such as emission of smoke or abnormal smell and sound etc. Please stop
using it immediately and shut off the product. It might lead to fire and electric shock. In such cases, please contact us. Do
not attempt repair by yourself, as it is dangerous for the user.
・Do not operate and store these products in environments where condensation occurs due to moisture and humidity. It might
lead fire and electric shock.
・Do not drop or apply shock to this product. It might cause failure. Do not operate these products mechanical stress is
applied.
CAUTION on MOUNTING
・Confirm connections to input/output terminals are correct as indicated in the instruction manual before switching on.
・Input line, please use the wires as short and thick as possible.
・Mount this product properly in accordance with the instruction manual, mounting direction and shall be properly be
ventilated.
・Please shut down the input when connecting input and output of the product.
・Please check the connector is locked securely, and be careful the harness does not come off the connector after connecting.
CAUTION on USE
・Product individual notes are shown in the instruction manual. If there is any difference with common notes individual notes
shall have priority.
・Before using this product, be sure to read the catalog and instruction manual. There is risk of electric shock or damage to the
product or fire due to improper use.
・Input voltage, Output current, Output power, ambient temperature and ambient humidity should be kept within
specifications, otherwise the product will be damaged, or cause electric shock or fire.
・If the built­in fuse is blown, do not use the product even after replacing the fuse as. There is risk of abnormality inside.
Be sure to request repair to our company.
ZWS240RC Series
Instruction Manual
<Page>
1/12
TDK­Lambda
Series
ZWS240RC
INSTRUCTION MANUAL
B138­04­01A

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Summary of Contents for TDK-Lambda ZWS240RC Series

  • Page 1 TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL ZWS240RC Series Instruction Manual BEFORE USING THE PRODUCT Be sure to read this instruction manual thoroughly before using this product. Pay attention to all cautions and warnings before using this product. Incorrect usage could lead to an electrical shock, damage to the product or a fire hazard.
  • Page 2 TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL ・For products without built­in protection circuit (element, fuse, etc.), insert fuse at the input to prevent smoke, fire during abnormal operation. As for products with built­in protection circuit, depending on usage conditions, built­in protection circuit might not work. It is recommended to provide separate proper protection circuit. ・For externally mounted fuse do not use other fuses aside from our specified and recommended fuse.
  • Page 3 TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL 1. Model name identification method ZWS 240 RC – 24 (*1) ZWS240RC options Blank : Standard Rated Output Voltage : With remote ON/OFF control model. : With chassis and cover model. Series Name /RA : With chassis and cover and Remote ON/OFF control model.
  • Page 4: Connecting Method

    TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL 3. Connecting method Pay attention to the input wiring. If it is connected to wrong terminal, the product will be damaged. Input must be off when making connections. • Connect terminal to earth (frame ground of the equipment etc.) by thick wire for safety and improvement •...
  • Page 5 TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL 4­3. Inrush Current Inrush current is suppressed by power thermistor for the product. Higher current will flow at higher ambient temperature or re­input on condition. Please select input switch or external fuse carefully. The inrush current value specified in the specification is under cold start condition (at 25 4­4.
  • Page 6 TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL 4­7. Series Operation For series operation, either method (A) or (B) is possible. In series operation, the actual voltage between output and must be less than withstand voltage (500VAC). In addition, take note that using the product with total output voltage 60V or more does not comply with SELV in safety standard.
  • Page 7 TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL 4­9. Isolation Test Isolation resistance between Output ­ terminal is more than 100MΩ at 500VDC. For safety operation, voltage setting of DC isolation tester must be done before the test. Ensure that the product is fully discharged after the test. ■...
  • Page 8: Mounting Method

    TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL 5. Mounting Method 5­1. Mounting Direction The standard mounting is direction (A). Possible mounting directions are (A), (B),(C), (D) and (E). Do not mount the product in any other directions. Do not exceed the derating of maximum load, which is limited by mounting direction and ambient temperature. Refer to “5­2.Output Derating”...
  • Page 9 TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL 5­3. Output Derating according to the Input Voltage Load (%) is percent of maximum output current value in a rated output voltage. Mounting (A) ­ (E) Load (%) Input Voltage (VAC) Mounting (A) ­ (E) 90­265 Input Voltage (VAC) 5­4.
  • Page 10 TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL If the space is not enough, the specification of isolation and withstand will not be satisfied. Take the space in the product surroundings and the upper area of components to keep enough for convection cooling. (2) Condition to meet Isolation &...
  • Page 11: Wiring Method

    TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL 6. Wiring Method (1) The output load line and input line shall be separated, and use all lines as thick and short as possible to make lower impedance. The output load line and input line shall be twisted or use shielded wire to improve noise sensitivity.
  • Page 12: Warranty Period

    TDK­Lambda Series ZWS240RC INSTRUCTION MANUAL 8. External Fuse Rating Refer to the following fuse rating when selecting the external input fuse. Surge current flows when input turn on. Use slow­blow fuse or time­lug fuse. Fast­blow fuse can not be used. Fuse rating is specified by inrush current value at input turn on.

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