Munters MX2 40 - Noise in Ducts

8.2.2 Noiseinducts
BCD
1
2
3
4
3
2
4
1
3
2
4
1
3
2
4
1
A
Figure 8.2 Duct connection setups
SetupA:Allductsconnected 1. Ductworkfordryair
SetupB:Processinletnotconnectedtoduct 2. Ductworkforprocessair
SetupC:Reactivationinletnotconnectedtoduct 3. Ductworkforreactivationair
SetupD:Reactivationandprocessinletnotconnectedto duct 4. Ductworkforwetair
Lwt = Total sound power level ( db) (rel. 10 –12 W)
Kok = Correction for calculating Lw (Lw = Lwt + Kok)
MX²30E CorrectionKokdBatISO-bandcentrefrequency,Hz
Ductwork
Lwt(dB)
63 125 250 500 1000 2000 4000 8000
1. Dry air 105 -18 -18 0 -15 -23 -28 -34 -40
2. Processair 87 -2 -11 -6 -14 -25 -30 -37 -47
3. Reactivationair 87 0 -12 -19 -29 -36 -39 -45 -53
4. Wetair 93 -9 -11 -2 -8 -13 -20 -25 -32
MX²35E CorrectionKokdBatISO-bandcentrefrequency,Hz
Ductwork Lwt(dB) 63 125 250 500 1000 2000 4000 8000
1. Dryair 96 -8 -6 -4
-7
-15 -21 -28 -36
2. Processair 85 -1 -11 -16 -13 -24 -34 -41 -51
3. Reactivationair 93 -1 -7 -21 -38 -42 -45 -52 -57
4. Wetair 100
-7
-11 -2 -18 -24 -29 -37 -42
MX²40E CorrectionKokdBatISO-bandcentrefrequency,Hz
Ductwork
Lwt(dB)
63 125 250 500 1000 2000 4000 8000
1. Dry air 100 -8 -4
-7
-9 -14 -17 -23 -31
2. Processair 86 -1 -8 -13 -11 -22 -28 -35 -47
3. Reactivationair 88 -2 -4 -16 -24 -31 -36 -43 -64
4. Wetair 100 -8 -9 -3 -9 -16 -22 -31 -35
Table8.3Noiseinducts
52 Technicalspecification 190TEN–1089–G1412