Carrier 52S Architects And Engineers' Manual page 35

INDOOR SOUND DATA
The table below indicates the approximate indoor
sound level of a 52S unit. Tests were conducted in the
Carrier Sound Testing Laboratory according to ARI
(Air Conditioning and Refrigeration Institute) Noise
Rating Standard 300 for non-ducted indoor air-
conditioning equipment.
OPERATING
VOLTS
MODE
230
FAN 208
265
230
LO COOL 208
265
230
HI COOL 208
265
230
LO HEAT 208
265
230
HI HEAT 208
265
LEGEND
ARI 300 NR — ARI Standard 300 Noise Rating in bels
OPERATING
VOLTS
MODE
230
FAN 208
265
230
LO COOL 208
265
230
HI COOL 208
265
230
LO HEAT 208
265
230
HI HEAT 208
265
LEGEND
ARI 300 NR — ARI Standard 300 Noise Rating in bels
NOTE: STC (Sound Transmission Coefficient) for Model 52S Series:
Standard Outdoor Grille — 22
Architectural Grille — 21
INDOOR SOUND ESTIMATING TABLE — ARI 300 NR (BELS)
52SQ
7,000 9,000
5.2 5.2
4.9 4.9
4.7 5.7
5.6 5.6
5.3 5.5
5.3 6.0
6.1 6.1
6.0 6.0
5.6 6.3
5.6 5.9
5.3 5.6
5.2 6.0
6.1 6.1
6.0 6.0
5.6 6.3
OUTDOOR SOUND ESTIMATING TABLE — ARI 300 NR (BELS)
52SQ
7,000 9,000
6.0 6.0
5.8 5.8
5.5 6.9
6.5 6.7
6.3 6.5
6.2 7.0
6.7 6.9
6.7 6.9
6.4 7.5
6.5 6.8
6.4 6.7
6.2 7.1
6.8 6.9
6.7 6.8
6.5 7.5
NOMINAL SIZES (Btuh)
12,000 14,000 7,000
6.2 6.4 5.1
6.1 6.3 4.8
5.8 6.0 4.7
5.9 6.1 5.5
5.8 6.0 5.2
5.8 5.7 5.4
6.4 6.8 6.0
6.3 6.7 5.9
6.4 6.2 5.7
6.2 6.5 5.1
6.1 6.4 4.8
5.7 6.0 4.7
6.4 6.6 5.5
6.3 6.5 5.3
6.3 6.1 5.5
NOMINAL SIZES (Btuh)
12,000 14,000 7,000
6.6 7.2 6.0
6.4 7.1 5.8
6.1 6.7 5.4
7.1 7.8 6.5
7.0 7.7 6.3
6.3 6.7 6.3
7.5 8.0 6.8
7.2 7.9 6.7
6.9 7.0 6.4
7.2 7.9
6.9 7.8
6.2 7.0
7.4 8.1
7.2 8.0
6.9 7.1
35
52SE,SC
9,000 12,000
5.8 6.2
5.8 6.1
5.8 5.6
5.9 5.9
5.7 5.8
5.8 5.9
6.2 6.6
6.1 6.5
6.2 6.4
5.8 6.2
5.5 6.1
5.8 5.6
6.1 6.3
6.0 6.3
6.1 6.3
52SE,SC
9,000 12,000
6.7 6.6
6.5 6.4
6.6 6.3
6.8 7.1
6.6 7.0
6.6 6.3
7.1 7.3
7.0 7.1
6.9 6.9
— — —
— — —
— — —
— — —
— — —
— — —
14,000
6.4
6.3
5.9
6.1
6.0
5.5
6.6
6.5
6.2
6.4
6.3
5.9
6.1
6.0
6.1
14,000
7.2
7.1
6.6
8.0
7.9
6.7
8.0
7.9
6.9
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