6
Room Requirements
Electrical Requirements
The unit is supplied with an unterminated 6 foot long, 3 conductor cable for AC input
power.
Mounting Instructions
1.
Unit Weight - The SEI 1800/48-2U-P-ACC weighs 45 lbs with the battery packs
installed and 20 lbs without the battery packs installed. It is recommended to mount
the unit before installing the battery pack.
2.
Rack Mounting - The SEI DC-UPS is designed to mount to a 19” rack using two
racks screws per side. The mounting slots on each rack adapter are spaced in
conformance with EIA standard RS-310-B.
3.
Ventilation - It is important that the DC-UPS’s ventilation ports not be blocked.
Therefore, leave adequate space on front and both sides of the unit to ensure
unrestricted airflow to the unit. It is recommended that a minimum of 3 inches of
space be allowed on both sides of the unit. The unit should be installed in a clean dry
area where the ambient temperature does not exceed 50°C.
4.
Battery Pack Installation
a.
Open Front Panel – Loosen the two thumbscrews on the front of the DC-
UPS. Fold down the front panel.
b.
Install Battery Packs – Slide each of the two battery packs into the DC-UPS
Chassis. The battery packs should be oriented so that the attached
connectors point to the middle of the unit.
c.
Attach the red and black connector of each battery pack to the one of the red
and black connectors in the center conduit of the DC-UPS. Either battery
pack can be connected to either DC-UPS connector
d.
Gently push the connected red and black connectors into the center conduit.
e.
Close the Front Panel – Fold up the front panel and secure the two
thumbscrews.
5.
Attach Customer Equipment - Attach the equipment to be powered to the 10/32
studs on the rear of the DC-UPS. Install the provide ATO style fuse.
