Hitachi YUTAKI S Series Technical Catalogue page 78

4 Acoustic characteristic curves
Sound pressure level for Outdoor unit and YUTAKI M
RASM-2VRE RASM-3VRE
7R139734 7R143952
Heating medium speed
Heating medium speed
Cooling medium speed
Cooling medium speed
Minimum audible
Minimum audible
value of operation
value of operation
noise
noise
Central frequency (cycle per second) Central frequency (cycle per second)
Cooling/Heating: 44/46 dB(A) Cooling/Heating: 52/54 dB(A)
70 TCGB0123 rev.2 - 10/2019