Installation
Sinergy S II Series Series UPS User Instruction Manual
9
Cord Retention Bracket (for models with IEC receptacles)
UPS models that utilize IEC inlets and receptacles have an included accessory that may be installed to
help secure the input and output cords in place.
To install the cord retention bracket:
1. Remove the four screws from the right side of the rear of the UPS
2. From the top, open cord retainer.
3. Reinstall screws in the rear of the UPS.
4. Secure each IEC cord using supplied tie wraps. Thread one end of tie wrap through the hole in the
cord retainer and around IEC cord. Secure to other end of the tie wrap.
Fig. 7: Cord Retention Bracket
Electrical
preparations
WARNING:
Before connecting any input wiring to the UPS, take precautions to insure that all circuits
being used are the proper voltage and current required for the UPS. If this UPS is not used with the
supplied power cord, care must be taken to use properly rated cords (see “Appendix A: Features and
Specifications” on page 23) which comply with all regional and local codes.
WARNING:
UPS output receptacles are energized when the front panel power switch is in the “ON”
position (green LED is illuminated).
WARNING:
Electrical shock hazard: Even when the UPS is disconnected from the mains, hazardous
voltages may still exist at the output receptacles of the UPS. The UPS receives power from more than one
source – AC input and DC input from batteries. All input sources (AC and DC) must, therefore, be
disconnected before carrying out maintenance work inside the UPS.
Connections
Battery Connections
WARNING:
Before connecting a battery pack to the UPS, the circuit breaker of the battery pack must be
switched to “OFF.” After electrical connection with the UPS is established, the breaker must be switched
to “ON.”
NOTE:
Each Battery Pack contains two battery connectors. The first battery pack is connected to the UPS
using the cable supplied with the pack. Each additional extension battery pack is connected by attaching
its cable to the previous pack
If additional battery cabinets are to be used, they should be connected prior to connecting the UPS to the
input power. To connect external battery cabinets, follow the steps below.
1. Set the circuit breaker on each battery cabinet to the “OFF” position.
2. Connect battery plug at the end of the cable attached to the battery cabinet closest to UPS to the
battery receptacle on the rear of the UPS.
3. Connect the battery plug at end of the cable from the next battery cabinet to the battery receptacle on
the battery cabinet plugged into UPS.
4. Continue “daisy-chaining” the batteries until all are connected.
Cord Retention Bracket
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