Symbols
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磁场线路的接地导线 |
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设备零件内部接地的接地点 |
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注意 更多有关信息资料，请参阅手册。 |
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电击危险 |
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输入 |
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输出 |
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旁通输入开关 |
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直流电流 |
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交流 |
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相位 |
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正 |
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负 |
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空档 |
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注意 - 请参阅维修手册 |
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不可维修 |
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阅读维修手册 |
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远程通信连接 |
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并非接头 - 并非远程通信网络用接头。 |
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漏电电流高 - 连接电源之前有必要先接地。 |
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锂蓄电池 - 如果电池更换不当的话，会有爆炸危险。 更换电池时应使用相同或等同的电池。 按照产品说明来处置废弃电池。 |
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散热片或支架未接地。 - 测试后再触摸。 |
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只可用于安全超低电压连接 |
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等待 5 分钟之后再断开任何电源或拆下任何盖板或面板。 |
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| 图 1 | g00785184 |
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旁通输入 | |
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| 图 2 | g00785185 |
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该系统是针对有 3 根地线配置的维修。 | |
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| 图 3 | g00785207 |
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该系统是针对有 delta 配置的维修。 | |
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| 图 4 | g00785208 |
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该系统是针对有接地阻抗的维修。 | |
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| 图 5 | g00785210 |
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该系统是针对有 4 根地线配置的维修。 | |
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| 图 6 | g00785212 |
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UPS 接收多路电源。 | |
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| 图 7 | g00785215 |
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保养旁通开关 | |
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| 图 8 | g02442538 |
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警告旁通开关关闭 | |
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| 图 9 | g00785216 |
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输入隔离开关 | |
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| 图 10 | g00785218 |
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输出隔离开关 | |
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| 图 11 | g02442139 |
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MMU 模块并联连接。 移除输入电源时，该模块的输出处可能留有电压。 | |
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| 图 12 | g02442496 |
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MMU 断路开关 | |
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| 图 13 | g02442560 |
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MMU 模块并联连接。 维修前，先断开输入和输出开关。 | |
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| 图 14 | g00785222 |
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"On"（接通）符号 | |
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| 图 15 | g00785223 |
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"Off"（断开）符号 | |
Caterpillar Information System:
UPS 250 and UPS 300 Uninterruptible Power Supplies Acronyms
C7.1 Commercial Marine Engine Coolant Level Is Low
UPS 250 and UPS 300 Uninterruptible Power Supplies Serial Number Plate
UPS 250 and UPS 300 Uninterruptible Power Supplies Information Plate
UPS 250 and UPS 300 Uninterruptible Power Supplies Additional Features
UPS 250 and UPS 300 Uninterruptible Power Supplies Remote Status Panel
UPS 250 and UPS 300 Uninterruptible Power Supplies Ethernet Interface
UPS 250 and UPS 300 Uninterruptible Power Supplies Modem
UPS 250 and UPS 300 Uninterruptible Power Supplies UPS View Software
UPS 250 and UPS 300 Uninterruptible Power Supplies Generator Set Start Module
UPS 250 and UPS 300 Uninterruptible Power Supplies Specifications
UPS 250 and UPS 300 Uninterruptible Power Supplies System Description
UPS 250 and UPS 300 Uninterruptible Power Supplies Receiving and Handling
UPS 250 and UPS 300 Uninterruptible Power Supplies Site Preparation
UPS 250 and UPS 300 Uninterruptible Power Supplies Electrical Connections
UPS 250 and UPS 300 Uninterruptible Power Supplies Starting and Stopping
UPS 250 and UPS 300 Uninterruptible Power Supplies Modes Of Operation
UPS 250 and UPS 300 Uninterruptible Power Supplies User Interface
UPS 250 and UPS 300 Uninterruptible Power Supplies Air Filter Element - Clean/Replace
C7.1 Commercial Marine Engine Coolant Temperature Is High
C15 Generator Set Maintenance Interval Schedule
UPS 250 and UPS 300 Uninterruptible Power Supplies Battery - Replace
UPS 250 and UPS 300 Uninterruptible Power Supplies Bearing (Earlier) - Replace
UPS 250 and UPS 300 Uninterruptible Power Supplies Bearing (3.5 EVD or Greater) - Replace