Overall Sound Level - Hitachi UTOPIA R32 Series Technical Catalogue

5 Acoustic characteristic curves

Overall sound level

5.1 Overall sound level
The overall sound level has been measured in an anechoic chamber so reflected sound should be taken into
consideration when installing the unit.
Test Conditions:
1 Distance of the unit from the measuring point: 1 meter from the unit's front surface; 1.5 meter from floor level:
2 Power supply:
a. Single phase units: 1~ 230V 50Hz.
b. Three phase units: 3N~ 400V 50Hz.
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N O T E
The sound data is measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit.
62 TCGB0136 rev.1 - 05/2021
Overall sound level measuring position