JOHNSON CONTROLS
79
28
FORM 155.17-N1
ISSUE DATE: 4/1/2013
SECTION 28 – TYPICAL NOISE AND VIBRATION LEVELS
FIGURE 39 - TYPICAL NOISE AND VIBRATION LEVELS - DIRECT-FIRED UNITS, ALL MODELS
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NOISE LEVEL
VIBRATION LEVEL
NOISE
LOCATION NUMBER
1 2 3 4
A SCALE 84 89 85 82.5
B SCALE 86.5 92 88.7 84.5
C SCALE 88 93 89.6 87.5
UNITS: dB AT 1 METER DISTANCE FROM THE CHILLER
NOISE
LOCATION NUMBER
1 2 3 4
HORIZONTAL 4 3 3 3.5
VERTICAL 3 3 2.5 3
AXIAL 2.5 3 2 4
UNITS: MICRONS
FIGURE 40 - TYPICAL NOISE AND VIBRATION LEVELS - STEAM-FIRED UNITS, ALL MODELS
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NOISE LEVEL VIBRATION LEVEL
NOISE
LOCATION NUMBER
1 2 3 4
A SCALE 84 83 82 82.5
B SCALE 86.5 85 84 84.5
C SCALE 88 87 87 87.5
UNITS: dB AT 1 METER DISTANCE FROM THE CHILLER
NOISE
LOCATION NUMBER
1 2 3 4
HORIZONTAL 3 2 3 3
VERTICAL 2 2 2 3
AXIAL 2 2 2 4
UNITS: MICRONS