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INST
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Safety Automatic Transfer Switch
:
The Safety Automatic Transfer Switch (SATS) provides automatic transfer of power between utility line voltage, UPS
power and Generator backup power. The SATS may be used with the EDP Double Conversion UPS series of power
supplies to provide bypass and maintenance capability to the UPS without load interruption.
010-505-10: Safety Automatic Transfer Switch. Provides Auto transfer, Generator hookup, and maintenance Bypass
without loss of power to the load.
Grounding
Kits
:
If desired or required by state law, grounding kits are available to provide an isolated grounding point on the EDP
Double Conversion UPS.
035-006-11: Ground lug kit.
Additional Parts
:
535-035-10: 9 Position, 3.5mm pitch, pluggable terminal block.
870-242-20: Power harness for EDP UPS.
172-002-10: Remote battery temperature probe with
RJ11 plug. 10’.
Section 9: Maintenance and Troubleshooting
CAUTION /
ATTENTION
There are various circuit breakers and fuses inside the power supply. These items are not field-serviceable.
The enclosure cover must not be removed in the field. Repair must be done by certified technicians.
Il y a divers disjoncteurs et fusibles à l'intérieur de l'alimentation. Ces articles ne sont pas réparables sur le
terrain. Le couvercle du boîtier ne doit pas être retiré sur le terrain. La réparation doit être effectuée par
des techniciens certifiés.
Preventative
Maintenance
:
For optimum performance from your power supply, the following maintenance items should be performed at least
every six (6) months, especially in areas where the power supply is subjected to extreme heat or cold.
•
Visually inspect the enclosure for signs of damage
•
Inspect the external status lamps for proper operation
•
Check the LCD display and the status LEDs for any alarm indications
•
Check all electrical connections
•
Check the batteries for signs of swelling, split cases or other damage
•
Check and record individual battery voltages
•
Check and clean battery terminals; bolts or wing nuts must be tight
•
Measure and record AC output voltage
•
Measure and record AC output current
•
Measure and record DC battery string voltage
•
Record all maintenance performed or parts replaced
•
Verify the power supply is in its normal mode of operation as indicated by the LCD display. Most front panel
LEDs should be illuminated green to indicate normal operation.
•
Close and lock the enclosure
