What are the climate conditions for running a glass tempering furnace?

The working condition of the glass tempering furnace should meet the following climatic requirements:

1. For the mechanical section, the ambient temperature should stay from -40 to 70℃;

2. For the electrical section, the temperature is from -10 to 40℃;

3. The Relative humidity should be less than 80%；

4. Normally the local altitude should be less than 1000m. If the altitude is higher than 1000m, special designs are required to make sure a normal operation of the glass tempering furnace.