Without Backfeed Protection Configuration; With Backfeed Protection Configuration - CyberPower OL6KRTMB Installation And Operation Manual

MAINTENANCE BYPASS MODULE
INSTALLATION CONT.

WITHOUT BACKFEED PROTECTION CONFIGURATION

1. Hardwire the input terminals as shown in the following diagram.
2. Do not remove the interconnection wires (Jumper1 / Jumper2) on "Backfeed Protection Connector".

WITH BACKFEED PROTECTION CONFIGURATION

1. Connect a user supplied external isolation device (Magnetic Contactor) upstream and outside the UPS
and capable of supporting the UPS input current.
2. Remove the interconnection wires (Jumper1 / Jumper2) on "Backfeed Protection Connector".
3. Hardwire the input terminals and "Backfeed Protection Connector" as shown in the following diagram.
4. The external isolation device must be installed in the Mains path.
Mains
L1 L2 PE
Jumper1
Jumper2
Mains
L1 L2 PE
A1
L1 L1
MC
L2 L2
A2
2A Fuse
(Slow Blow)
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UPS
I/P
L1 L1 L1 IP-L1
EMI
L2 L2 L2 IP-L2
PE
1
2
Backfeed
3
4 AC-L1
5 AC-L2
UPS
I/P
L1 L1 L1
EMI
L2 L2 L2
PE
1
2
Backfeed
3
4
5
PSDR
IP-L1
IP-L2
PSDR
AC-L1
AC-L2
15