JOHNSON CONTROLS
92
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 4 - TECHNICAL DATA
LD19976
4 Evaporator
2 Generator Side
1
B Side
(Steam Inlet Side)
3
A Side
5
Background
Noise
Height: 59 inch, Horizon: 39 inch (from chiller surface)
NOTE: These data are reference values, as the chiller unit was not covered with the thermal insulation materials and the water pipes (for
chilled water, cooling water, and steam) were temporary during the measurement.
FIGURE 35 - SAMPLE SOUND TESTING FOR YHAU-CW CHILLER
NOISE EMISSON
LOCATION* OVERALL
OCTAVE BAND
31.5 Hz 63 Hz 125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz 8 kHz 16 kHz
1 80/ 83 37 / 76 48 / 74 57 / 73 64 / 73 69 / 72 73 / 73 75 / 74 75 / 74 70 / 71 56 / 63
2 77 / 83 40 / 79 49 / 75 56 / 72 62 / 71 68 / 71 70 / 70 71 / 70 70 / 69 70 / 71 53 / 60
3 75 / 83 41 / 80 49 / 75 59 / 75 62 / 71 65 / 68 69 / 69 71 / 70 67 / 66 58 /59 44 / 51
4 78 / 84 40 / 79 50 / 76 61 / 77 64 / 73 71 / 74 71 / 71 74 / 73 71 / 70 65 / 66 50 / 57
5 64 / 80 37 / 76 44 / 70 60 / 76 56 / 65 54 / 57 57 / 57 56 / 55 50 / 49 36 / 37 26 / 33
* Position of Measuring instrument
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