Installation Guide
Release tabs | Release tabs |
|
|
To access batteries, remove the screw covers and the screws beneath the tabs
1.Remove watches, rings, or other metal objects.
2.Use tools with insulated handles.
3.Wear rubber gloves and boots.
4.Do not lay tools or metal parts on top of batteries.
5.Disconnect charging source prior to connecting or disconnecting battery terminals.
EPM Specifications
•Nominal System Voltage: 24V
•Connector color: Red (+), Black
Related Documents
UPS BAT. terminal (to the
EXT.BAT. terminal (to second or next EPM)
Grounding screw (connects the Grounding wire to the
Grounding screw (connects the Grounding wire to the second or next EPM)
.
(front)
(rear)
Refer to the
Installing the EPM
The packing condition and the external outlook of the unit should be inspected carefully before installation. Retain the packing material for future use. The EPM includes accessories for tower and rack mount (FIG. 2).
FIG. 1 NXA-UPS1500 EPM Extended Power Module
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions that should be followed during installation and maintenance of the EPM and batteries.
IMPORTANT NOTICE
•This EPM connects to an UPS. There will be voltage at the output terminals if the UPS is turned on even if the input AC Mains is not available.
•To eliminate any overheating of the EPM, keep all ventilation openings free from obstruction and do not place any foreign objects on top of the EPM. Keep the EPM 8” (20cm) away from the wall.
Note: EPM connectors are color coded. Do not try to install the EPM with connectors that are a different color from the EPM connector in the UPS.
•This EPM is not designed for use in dusty, corrosive and salty environment.
•The battery will discharge naturally if the system is unused for a period of time.
Note: The EPM module is approx. 27.5~110.2 lbs. (12.5~50 kgs), be cautious when unpacking and lifting the unit to avoid injury.
•It should be recharged every
•When replacing batteries, replace with the same quantity, type & capacity.
•CAUTION - Do not dispose of battery or batteries in an open fire. The battery may explode.
•CAUTION - Do not open or mutilate the batteries. The electrolyte from the batteries is toxic and harmful to the skin and eyes.
•CAUTION - Risk of Electric Shock - Battery circuit is not isolated from AC, hazardous voltage may exist between battery terminals and ground. Test before touching with bare hands.
FIG. 2 EPM Accessories for Tower and Rack Mount
Selecting Installation Position
It is necessary to select a proper environment to install the unit, in order to minimize the possibility of damage to the EPM and extend the life of the batteries.
Please follow the instructions below:
1.Make sure the EPM is installed within the proper environment as specified.
2.This EPM is designed for indoor use only.
3.Ensure the installation site environmental conditions are in accordance with the EPM working specifications to avoid overheat and excessive moisture.
4.Do not block the
5.Keep at least 20cm (8’) clearance from the rear panel of the EPM from the wall or other obstructions.
Note: In order to mount the EPM into an equipment rack, you must use a rack shelf (not included with the EPM).
•CAUTION - A battery can present a risk of electrical shock and high short circuit current. The following precautions should be observed when working on batteries:
