C&D Technologies RS-2061 Standby Batteries for Renewable Energy Applications - Manual (Page 7)

Storage of Charged and Wet Batteries
Store batteries in a cool, dry location and place in service as soon as possible after receiving.
The recommended temperature for storage is 77°F (25°C), but a range of 60°F(16°C) to 80°F (27°C) is
acceptable. Do not allow the electrolyte to freeze, as this will damage the battery and can cause potentially
hazardous leakage. Batteries must be given a freshening charge to all cells every six months when stored
at 77°F (25°C) or every three months if stored at temperatures of 92°F (33°C) after ship date from
C&D Technologies factory until final installation. Specifically, the CPV batteries must be given a freshening
charge every three months at 77°F(25°C). See the Initial/Freshening charge parameters as discussed in the
Battery Installation Section.
Battery Installation
After battery has been unpacked and placed in its final location with the proper orientation for polarity,
all electrical contacting surfaces should be prepared for making inter-cell connections. Use industry
standard practices for this procedure in addition to the following steps.
1.
Assemble and mount any racks according to the “Rack Assembly Instructions” and mount according
to the site’s requirements.
2. Remove any factory-applied grease coating from the terminals with a dry cloth.
3. With a neutralizing solution consisting of one-pound baking soda mixed with one gallon of water,
wipe the cover and terminal seal area with a cloth or brass bristle brush moistened with the
neutralizing solution. Do not allow the neutralizing solution from entering the cell. Rinse with clear
water and dry thoroughly.
4. Brush the terminal with the fiber bristle brush to a bright, shiny finish.
5. Remove the oxidation film from the connectors with the fiber bristle brush, resulting in a bright,
shiny finish.
6. Coat all electrical surfaces with pre-heated NO-OX-ID. (Use heat gun)
7. Re-flow excess NO-OX-ID with heat gun and wipe excess.
8. Place cell identification numbers in sequence in an appropriate position on the battery.
9. Measure battery/cell voltage readings and record for future reference.
CAUTION
Be sure flame-arresting vent assemblies are installed on flooded cells before making
battery connections
.
Electrical Connections
1.
Install inter-cell connections and hardware as supplied with each battery as previously specified to
make parallel or series connections.
2. Confirm that no cells are installed in reverse polarity.
3. Once hardware is installed and batteries are properly aligned, torque as indicated.
RS02061/0114/CD 7 www.cdtechno.
com