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External Battery Connection:
If the batteries are in a separate additional battery cabinet, the cabinet should be supplied by the
manufacturer.
For UPS and External Battery Cabinet Connections, please follow up the instructions below;
• Switch the battery cabinet circuit breaker to “OFF” position.
• Ground: Connect the “PB” on the battery cabinet to X5 EXT. BATTERY: “PB” on the UPS.
• Negative String: Connect the “-“on the battery cabinet to X5 EXT. BATTERY: “-” on the UPS.
• Positive String: Connect the “+”on the battery cabinet to X5 EXT. BATTERY: “+” on the UPS.
• Neutral: Connect the “N” on the battery cabinet to X5 EXT. BATTERY: “N” on the UPS.
• External Battery Cabinet Temperature Sensor: Connect the X7: “X7/1 – X7/2 – X7/3” on the external battery
cabinet to X7: “X7/1 – X7/2 – X7/3” on the UPS. (Double isolation cable 3x1mm2 not extended 25m length
is recommended)
• External Battery Breaker Position Feedback: Connect the X8: “X8/c – X8/d” on the battery cabinet to X8:
“X8/c – X8/d” on the UPS.
If battery cabinets not supplied by the manufacturer of Keor T, it is the in-
staller’s responsibility to check the electrical compatibility and the presence
of appropriate protection devices between the cabinet and Keor T.
Read the KEOR T Service Manual carefully for Battery Wiring Diagram in
External Battery Cabinet!
To avoid risk of electromagnetic interference separate the battery cables from
Input and Output cables.
LETHAL VOLTAGE of nominal 720 VDC is present when the external battery
connections are made.
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