MaxPower Corp Gamatronic Power+ M50-RM - Manual (Page 23)

Gamatronic Electronic Industries Ltd.
POWER+ RM 50 K VA, N.Am. Std. – User Guide, Release 1.9 7
2. B
ATTERY
The POWER+ battery bank is used as a backup in the event that the utility ac input fails.
Depending on customer preference, batteries may or may not have been supplied with your
system.
The batteries are usually housed within the UPS itself. However, for sites where a longer backup
duration is required, the batteries can instead be housed in larger-capacity external cabinet
(cat. no. 29B020128-PPE) or cabinets next to the POWER+ cabinet.
Batteries are charged by the rectifier that supplies both the inverter and the battery charger.
Free air circulation around the batteries is extremely important for proper battery safety. If
the Power+ is installed in a cabinet, the cabinet must have sufficient ventilation openings
to permit free air circulation around the batteries.
This means that solid glass or acrylic-type door panels are not suitable for a cabinet
housing the Power+, neither for the front cabinet door nor for the rear door.
Protect the batteries from moisture, dampness, and foreign substances.
The temperature of the battery's surroundings influences the batteries' useful lifetime.
Table 1: Battery lifetime vs environmental temp. - illustrative
E NVIRONMENTAL
TEMPERATURE
A CHIEVABLE PERCENTAGE OF
BATTERY ' S RATED LIFETIME
68 °F (20 °C) 100 %
86 °F (30 °C) 50 %
104 °F (40 °C) 20 %
Please refer to the battery manufacturer’s installation manual for battery installation and
maintenance instructions.
When replacing internal batteries, replace with the same number and type!
CAUTION - RISK OF ELECTRIC SHOCK!
Servicing of batteries should be performed or supervised by personnel
knowledgeable of batteries and the required precautions. Keep unauthorized
personnel away from batteries.
WARNING - RISK OF ELECTRIC SHOCK!
Do not touch uninsulated battery terminals.