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The maximum recommended operating voltage for a series string is 48VDC. For series strings
higher than 48VDC please check with Tecate Engineering at: UCEngineering@tecategroup.com.
When several modules are connected in series for operating at higher system voltages, care
must be taken to ensure proper creepage and clearance distances in compliance with
appropriate national and local safety standards for electrical equipment.
4. Operation:
The module should only be operated within specified voltage and temperature ratings.
Determine whether current limiting is necessary based on the current ratings of attached
components. Observe polarity indicated on the module. Do not reverse polarity.
5. Discharge Procedure
5.1.
Using a voltmeter, measure the voltage between the 2 terminals.
5.2.
If the voltage is above 2V, a resistor pack (not supplied with the module) will need to be
connected between the terminals. Proper care needs to be taken in the design and construction
of such a dissipative pack. The resistor pack will need to be sized and provided with suitable
cooling to handle the resulting power dissipation. Additionally, proper isolation and packaging
are necessary to ensure safety.
5.3.
If the voltage is under 2V, connect a shorting wire to the + and – connectors.
5.4.
The module is now safe for handling. However, leave the shorting wire connected at all times
until the module is installed in the system and the power cables are connected.
6. Maintenance:
that the energy storage module is completely discharged in a safe manner. The stored energy and
the voltage levels may be lethal if mishandling occurs. Maintenance should only be conducted by
trained personnel on discharged and shorted modules (see above).
6.1. Clean exterior surface of dirt/grime
6.1.1 Reason - Improve power dissipation performance.
6.1.2 Use a cleaning cloth dampened with a water/soap solution. Do not use high-pressure
sprays or immersion. Keep excess amounts of water away from all surfaces.
6.1.3 Frequency – Annually
6.2. Check mounting fasteners for proper torque
6.2.1 Reason - Avoid mechanical damage
6.2.2 Frequency
6.2.2.1 High Vibration Environments (6 months)
6.2.2.2 Low Vibration Environments (12 months)
6.3. Inspect housing for signs of damage
6.3.1 Reason – allows potential internal damage to be identified
6.3.2 Frequency – Annually
7520 Mission Valley Road ● San Diego, CA 92108-4400 ● USA ● Tel: 619.398.9700 ● Fax: 619.398.9777 ● www.tecategroup.com
9101380000.C.DOCX
Prior to removal from the system, cable removal, or any other handling, ensure
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