Environmental conditions – Sanyo MDF-U537 User Manual
Page 8

7
ENVIRONMENTAL CONDITIONS
This equipment is designed to be safe at least under the following conditions (based on the IEC 1010-1):
 
1. Indoor use; 
 
2. Altitude up to 2000 m; 
 
3. Ambient temperature 5
o
C to 40
o
C
 
4. Maximum relative humidity 80% for temperature up to 31
o
C decreasing linearly to 50% relative
humidity at 40
o
C;
 
5. Mains supply voltage fluctuations not to exceed 
10% of the nominal voltage;
 
6. Other supply voltage fluctuations as stated by the manufacturer; 
 
7. Transient overvoltages according to Installation Categories (Overvoltage Categories) II; For mains 
supply the minimum and normal category is II; 
 
8. Pollution degree 2 in accordance with IEC 664. 
