Hitachi UTOPIA R32 Series Technical Catalogue

5 Acoustic characteristic curves
Sound pressure curves
TCGB0136 rev.1 - 05/2021
63
5
5.2 Sound pressure curves
RAS-3HVRC2 RAS-4H(V)(R/N)C2E
Octave sound pressure level (dB: overall C scale)
(Hi) Heating
(Hi) Cooling
Approximate
threshold of hearing
for continuous noise
Night Shift
mode
Central frequency (cycle per second)
Octave sound pressure level (dB: overall C scale)
(Hi) Heating
(Hi) Cooling
Approximate
threshold of hearing
for continuous noise
Night Shift
mode
Central frequency (cycle per second)
Cooling/Heating/Night mode: 54/52/48 dB(A) Cooling/Heating/Night mode: 54/54/51 dB(A)
RAS-5H(V)(R/N)C2E RAS-6H(V)(R/N)C2E
Octave sound pressure level (dB: overall C scale)
(Hi) Heating
(Hi) Cooling
Approximate
threshold of hearing
for continuous noise
Night Shift
mode
Central frequency (cycle per second)
Octave sound pressure level (dB: overall C scale)
(Hi) Heating
(Hi) Cooling
Approximate
threshold of hearing
for continuous noise
Night Shift
mode
Central frequency (cycle per second)
Cooling/Heating/Night mode: 54/54/51 dB(A) Cooling/Heating/Night mode: 56/56/51 dB(A)

Hitachi UTOPIA R32 Series Specifications

General

Brand	Hitachi
Model	UTOPIA R32 Series
Category	Air Conditioner
Language	English