Neptune 13458-000, Руководство по установке и обслуживанию

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Additional Troubleshooting Information
For additional troubleshooting information, refer to the ProStar
Solar Controller Operations Manual . This should be included
with the solar power system. The manual is also available online
from Morningstar.
Troubleshooting the Solar Panel's Battery
You can measure both the batteries voltage open circuit (Voc)
and voltage under charge (Vuc). The Vuc is a simple method to
measure voltage without disabling the load or disabling the
system from charging. Use Voc when the battery end-of-life is in
question and a more accurate means of measurement is required.
Batteries should be tested for end-of-life whenever a particular
system begins to fall in a SOC below 80% repeatedly, or the
system begins to exhibit LVD on a recurring basis. Battery life
varies depending on load use, depth of discharge, and temperature
extremes, but can vary between three to ten years.
To measure for battery end-of-life, complete the following steps.
1. Disconnect the battery from the system.
2. Charge the battery with an appropriate three-stage battery
charger.
3. After completion, allow the battery to settle for three hours
with no charge or load attached.
Table 25 provides Voc and Vuc for SOC at 25°C.
SOC (%) Voc Vuc
100 12.8 14.2
80 12.6 12.91
60 12.3 12.60
40 12.0 12.25
20 11.8 11.81
0 <11.6 <11.81
Table 25 – Voltages for SOC at 25°C
R900 Gateway Installation and Maintenance Guide 93
Appendix A Solar Power Information