NEC NDA-24300 manual Main Power System Check

Models: NDA-24300

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ROUTINE MAINTENANCE PROCEDURE

2.8 Main Power System Check

START

Check the load voltage (DC –48V ±5 V) of the rectifier.

Check the batteries.

Check the forced-charge voltage and floating voltage.

Check the specific gravity, liquid level and rated capacity of each battery.

END

Note: For a longer battery life, observe the following items:

Place the batteries in a dark, cool place.

Keep the room temperature within the range of 10°C to 35°C (40°F to 85°F).

Floating voltage must be kept within the range of the battery specification at all times.

After discharging, perform equalized charging as per the battery specification.

NDA-24300CHAPTER 7

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Page 532
Image 532
NEC NDA-24300 manual Main Power System Check