Carrier 42D Series - Sound Power Data

62
SOUND POWER DATA
42CA HORIZONTAL FURRED-IN CEILING UNIT
NOTES:
1. Unit Test Configuration: Open Return / Front Supply, 3 Row, 10
FPI (fins per inch) Coil, 0.0 in. ESP at High Speed, 115 VAC PSC
(permanent split capacitor) Motor.
2. Casing Radiated Testing per AHRI (Air-Conditioning, Heating and
Refrigeration Institute) 260-2012: 4.2.2.3 Casing radiated with free
inlet, Sound Rating of Ducted Air Moving and Conditioning Equip-
ment.
3. Ducted Discharge Testing per AHRI 260-2012: 4.2.2.1 Ducted dis-
charge, Sound Rating of Ducted Air Moving and Conditioning
Equipment.
4. Sound power data is expressed decibels, dB RE: 1 x 10
-12
W
(picowatts).
UNIT RATING
FAN
SPEED
CFM
SOUND POWER LEVEL, Lw (dB one reference pico watt) - Hz
A-wgt
(dBA)
125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz
02
CASING
RADIATED
H 280 58 56 57 56 52 48 43 60
M 200 52 50 51 49 44 38 37 53
L 165 48 45 45 43 37 33 37 47
DUCTED
DISCHARGE
H 280 56 53 52 48 45 38 38 54
M 200 51 47 46 41 37 32 36 47
L 165 48 43 41 35 31 30 36 43
03
CASING
RADIATED
H 300 58 55 58 57 54 49 44 61
M 210 52 47 49 47 42 37 37 51
L 165 50 43 43 41 36 32 36 46
DUCTED DIS-
CHARGE
H 300 55 52 53 50 47 40 38 55
M 210 50 46 47 42 38 32 35 48
L 165 48 42 41 36 32 30 35 43
04
CASING
RADIATED
H 625 64 62 63 62 60 56 52 67
M 415 58 53 54 52 47 42 39 56
L 315 53 46 47 44 38 33 37 48
DUCTED
DISCHARGE
H 625 67 57 59 57 52 46 43 61
M 415 62 48 49 45 40 33 36 51
L 315 57 43 42 37 31 30 36 45
06
CASING
RADIATED
H 750 67 63 63 62 59 55 52 66
M 460 59 51 52 49 45 40 38 54
L 350 54 44 43 41 36 32 36 46
DUCTED
DISCHARGE
H 750 67 63 63 62 59 55 52 66
M 460 59 51 52 49 45 40 38 54
L 350 54 44 43 41 36 32 36 46
08
CASING
RADIATED
H 875 65 66 67 66 63 60 57 71
M 720 62 61 62 61 57 54 50 65
L 425 53 48 49 46 41 36 36 51
DUCTED
DISCHARGE
H 875 73 62 63 62 57 54 51 66
M 720 72 59 59 57 52 48 45 62
L 425 63 45 46 41 35 32 35 50
10
CASING
RADIATED
H12206767676763605671
M 840 62 57 59 56 51 47 42 60
L 645 58 51 52 48 42 37 36 53
DUCTED
DISCHARGE
H12206862646256524966
M 840 65 54 55 51 44 39 37 56
L 645 62 47 48 43 36 31 34 50
12
CASING
RADIATED
H15256868696965625973
M13306565666561575469
L 820 56 53 55 51 46 41 38 56
DUCTED
DISCHARGE
H15256864666459565268
M13306561636055514865
L 820 56 49 52 46 40 35 35 52
Performance data (cont)
42C Series Units