-2-
TDK-Lambda
HWS1000 Series
INSTRUCTION MANUAL
CAUTION ON USE
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Product individual notes are shown in the instruction manual.
If there is any difference with common notes individual notes shall have priority.
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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.
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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.
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If the built-in 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.
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For products without built-in protection circuit (element, fuse, etc.), insert fuse at the input to prevent smoke, fire during abnormal
operation.
As for products with built-in protection circuit, depending on usage conditions, built-in protection circuit might not work.
It is recommended to provide separate proper protection circuit.
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For externally mounted fuse do not use other fuses aside from our specified and recommended fuse.
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This product was made for general purpose electronic equipment use and is not designed for applications requiring high safety
(such as extremely high reliability and safety requirements. Even though high reliability and safety are not required, this product
should not be used directly for applications that have serious risk for life and physical safety.
Take sufficient consideration in fail-safe design (such as providing protective circuit or protective device inside the system,
providing redundant circuit to ensure no instability when single device failure occurs).
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When used in environments with strong electromagnetic field, there is possibility of product damage due to malfunction.
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When used in environment with corrosive gas (hydrogen sulfide, sulfur dioxide, etc.) , there is possibility that they might penetrate
the product and lead to failure.
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When used in environments where there is conductive foreign matter or dust, there is possibility of product failure or malfunction.
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Provide countermeasure for prevention of lightning surge voltage as there is risk of damage due to abnormal voltage.
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Connect together the frame ground terminal of the product and the ground terminal of the equipment for safety and noise
reduction. If these ground is not connected together, there is risk of electric shock.
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Parts with lifetime specifications (built-in fan electrolytic capacitor) are required to be replaced periodically.
Set the overhaul period depending on the environment of usage and perform maintenance.
Also, note that there are cases when EOL products cannot be overhauled.
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Take care not to apply external abnormal voltage to the output. Especially, applying reverse voltage or overvoltage more than the
rated voltage to the output might cause failure, electric shock or fire.
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This product is designed under condition Material group IIIb, Pollution Degree (PD): PD2, Over Voltage category (OVC): OVC II
and Class of equipment: Class I.
This product is designed to be accessible only to service technicians as part of indoor use device.
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Power supplies with an output voltage of 48Vdc or less must be earthed in the end use equipment to maintain SELV.
If the outputs are not earthed, they must be considered hazardous and must not be made user accessible.
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Power supplies with an output voltage of 60Vdc are considered to be non-SELV. As a result of this, the output must be guarded or
a deflector fitted during installation to avoid a SERVICE ENGINEER making inadvertent contact with the output terminals, or
dropping a tool onto them. The output of this product must not be connected to a SELV circuit.
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The output voltage of this power supply unit is considered to be a hazardous energy level (The voltage is 2V or more and the
electric power is 240VA or more), prevention from direct contact with voltage output is highly necessary. While installing or
servicing this power supply unit, avoid dropping tools by mistake or direct contact with voltage output. This might cause an
electrical shock. While repairing this power supply unit, the AC input power must be switch off and the I/O terminal voltage
should be less than the safety level.
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This product have a built-in fan for air-cooling. Do not block the air intake and exhaust as this might lead to fire.
