Midea VRF Service Manual

Four-way Cassette MCAC-VTSM-2016-05
78 Indoor unit
9. Sound Levels
9.1 Test condition
Note:
1, During actual operation, these values are normally some what higher as a result of ambient conditions.
2, Semi-anechoic chamber conversion value, measured at a point which is 4.59ft(1.4m) under the unit.
9.2 Test data (Sound Pressure Levels)
Model
Noise level under three speeds of fan (dB(A))
H
M
L
MDV-D28Q4/N1-D
42
38
35
MDV-D36Q4/N1-D
42
38
35
MDV-D45Q4/N1-D
42
38
35
MDV-D56Q4/N1-D
42
38
35
MDV-D71Q4/N1-D
45
42
39
MDV-D80Q4/N1-D
45
42
39
MDV-D90Q4/N1-D
48
45
43
MDV-D100Q4/N1-D
48
45
43
MDV-D112Q4/N1-D
48
45
43
MDV-D140Q4/N1-D
50
47
44
9.3 Octave Band Level
MDV-D28 (36, 45, 56) Q4/N1-D MDV-D71 (80) Q4/N1-D
Octave band center frequency（Hz）
Sound pressure level dB（0dB=0.0002μ bar）
Audibility limits of
continuous white
sound
Octave band center frequency（Hz）
Sound pressure level dB（0dB=0.0002μ bar）
Audibility limits of
continuous white
sound
4.59ft

Midea VRF Specifications

General

Type	VRF (Variable Refrigerant Flow)
Brand	Midea
Control	Centralized controller, BMS integration, individual remote controllers
Refrigerant	R410A or R32
Indoor Unit Types	ducted, floor standing, wall-mounted, ceiling cassette
Outdoor Unit Noise Level	55-65 dB(A)
Indoor Unit Noise Level	22-45 dB(A) (dependent on model and fan speed)