Advanced PSU EN54-4, Руководство пользователя, Страница: 14 / 16

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5 Maintenance:
Maintenance of the power supply and charger should be minimal. The batteries, however, do have a limited life
span and a maintenance program should be in place to determine battery replacement schedules.
It is recommended that the charger output should be checked on a yearly basis to ensure the charging
characteristics have not drifted. Refer to Table 1 above for checking this parameter.
5.1 Standby Batteries
Expected Life - 3-5 years at an ambient temperature of 20°C
Replacement Schedule - As above. However, note that the expected battery life is shortened by an
increase in ambient temperature. The life reduces by 50% for every 10°C rise above ambient. This
should be taken into account when assessing battery replacement schedules. Refer to battery
manufacturer manuals for further information.
Manufacturer / Part Numbers - YUASA POWERSONIC
4AH NP4-12 5AH PS-1250-F1
7AH NP7-12 7AH PS-1270
12AH NP12-12 12AH PS-12100-F1
18AH NP18-12 18AH PS-12180-NB
24AH NP24-12B 26AH PS-12260-NB
38AH NP38-12 40AH PS-12400
STOP
For optimum performance and charge retention, Yuasa recommend that batteries, up to
6 months old from date of manufacture, are ‘top-charged’ prior to installation.
To perform the top-charging, use a separate supply and charge at 2.4V per cell (i.e.
14.4V per battery) for 20 hours prior to installing the batteries.
STOP
It is not recommended to use batteries that are older than 6 months from the date of
manufacture on a new installation.
It is quite normal for lead-acid batteries to vent hydrogen when being
charged.
The panel is adequately ventilated to dissipate this hydrogen. DO NOT
seal the enclosure or install in a sealed enclosure or cavity.
STOP
It is not recommended to use batteries that are older than 6 months from the date of
manufacture on a new installation.
BATTERY DISPOSAL
Re-cycle all exhausted batteries.
Return to the battery manufacturer or dispose of batteries in accordance
with the applicable local legislation.