英语翻译1 MountingThe 软起动 must be mounted vertically.Allow suffi

英语翻译
1 Mounting
The 软起动 must be mounted vertically.Allow sufficient space for suitable airflow above and below the RVS- DN.To improve heat dissipation,it is recommended that you mount the 软起动 directly on the rear metal plate.
Notes:
(1) Do not mount the 软起动 near heat sources.
(2) Surrounding air temperature in the cabinet should not exceed 50°C (3) Protect the 软起动 from dust and corrosive atmospheres.
(4) For harsh environments (sewage treatment plants,etc.) you should order the 软起动 with the optional harsh environment treatment (refer to ordering information page 17).
2 Temperature Range & Heat Dissipation
The 软起动 is rated to operate within a temperature range of -10°C (14°F) to + 50°C (122°F).Relative non-condensed humidity inside the enclosure must not exceed 95%.
where:
I represents motor current.Note that the motor current during the start process is higher than the motor rated current.
FAN loss represents power loss caused by all internal fans (refer to section 10 page 99 for fan loss per model).
For example,during start of a 820A motor when CURRENT LIMIT is set to 400%,heat dissipation can be calculated as:
Ploss=3x1.3x4x820+150=12,792Watt≈12.8kW
While a 820A motor is running and the motor current is 820A,heat dissipation can be calculated as:
Ploss=3x1.3x820+150=3,198Watt≈3.2kW
不要那个直接用翻译软件翻译的 至少能通啊！

1 安装
软起动必须垂直安装.上部分需留有足够空间,以使气流流通,下部分要低于RVS- DN.为增强散热,建议直接将软启动安装在背后的金属托盘上.
注意:
(1) 请勿将软启动安装在热源附近.
(2) 安装箱内的空气温度勿超过50°C
(3) 请远离尘土和腐蚀性的环境中
(4) 恶劣环境,如污水处理厂,请参照使用说明第17页指示处理相关事项.
2 适宜的温度范围和散热
软起动额定操作温度范围为 -10°C (14°华氏度) 到 + 50°C (122°华氏度).相对的机壳内部湿度不能超过95%.
其中:
I 代表发动机电流.注意发动机电流在初启动时通常高于发动机的额定电流.
风扇损耗代表机器内部所有风扇导致的电源损耗（请参考第10页到第99页风扇损失特定模式)
例如,当启动一个820A的发动机的时候,启动初期的电流最高限制设定为400%,散热可以通过下列公式进行计算：
功率损耗=3x1.3x4x820+150=12,792瓦特≈12.8千瓦
当这个820A的发动机开始正常运转的时候,发动机的电流就是820A,散热可以计算如下：功率损耗=3x1.3x820+150=3,198瓦特≈3.2千瓦