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Example For Machines Noise Emission Calculation - Mitsubishi Electric t-NEXT DF DX 011 P1 S Manual

Air conditioners for it cooling with dual fluid system.to be matched with remote air-cooled condenser.
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t-NEXT DF DX

EXAMPLE FOR MACHINES NOISE EMISSION CALCULATION

UNDER MACHINE WITH DUCT ON AIR INTAKE
UNDER MACHINE UNDER WITH PLENUM ON AIR DELIVERY
UNDER MACHINE WITH PLENUM ON AIR INTAKE
OVER MACHINE WITH DUCT
T_tNEXTDFDX_0719_EN
Duct
Lp A = Front side Under catalogue value
Lp B = Air delivery Under catalogue value
Lp C = Air intake Under catalogue value
The points B and C do not influence the point A
Lp A = Front side Under catalogue value
Lp B = Air delivery Under catalogue value –plenum noise reduction
Lp C = Air intake Under catalogue value
Lp A+C = 10 log
The point B do not influence the point A
Lp A = Front side Under catalogue value
Lp B = Air delivery Under catalogue value
Lp C = Air intake Under catalogue value – plenum noise reduction
Lp A+C = 10 log
The point B do not influence the point A
Lp A = Air intake Over catalogue value
Lp B = Air delivery Over catalogue value
The point B do not influence the point A
LpA
10
(
)
LpC
10
10
+10
10
LpA
10
(
)
LpC
10
10
+10
10
84
MEHITS S.p.A.
DATA BOOK

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