
PRODUCT DATA (cont)
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.
INDOOR SOUND ESTIMATING TABLE — ARI 300 NR (BELS)
OPERATING
MODE
VOLTS
NOMINAL SIZES (Btuh)
52SQ 52SE,SC
7,000 9,000 12,000 14,000 7,000 9,000 12,000 14,000
FAN
230 5.2 5.2 6.2 6.4 5.1 5.8 6.2 6.4
208 4.9 4.9 6.1 6.3 4.8 5.8 6.1 6.3
265 4.7 5.7 5.8 6.0 4.7 5.8 5.6 5.9
LO COOL
230 5.6 5.6 5.9 6.1 5.5 5.9 5.9 6.1
208 5.3 5.5 5.8 6.0 5.2 5.7 5.8 6.0
265 5.3 6.0 5.8 5.7 5.4 5.8 5.9 5.5
HI COOL
230 6.1 6.1 6.4 6.8 6.0 6.2 6.6 6.6
208 6.0 6.0 6.3 6.7 5.9 6.1 6.5 6.5
265 5.6 6.3 6.4 6.2 5.7 6.2 6.4 6.2
LO HEAT
230 5.6 5.9 6.2 6.5 5.1 5.8 6.2 6.4
208 5.3 5.6 6.1 6.4 4.8 5.5 6.1 6.3
265 5.2 6.0 5.7 6.0 4.7 5.8 5.6 5.9
HI HEAT
230 6.1 6.1 6.4 6.6 5.5 6.1 6.3 6.1
208 6.0 6.0 6.3 6.5 5.3 6.0 6.3 6.0
265 5.6 6.3 6.3 6.1 5.5 6.1 6.3 6.1
ARI 300 NR — ARI Standard 300 Noise Rating in bels
OUTDOOR SOUND ESTIMATING TABLE — ARI 300 NR (BELS)
OPERATING
MODE
VOLTS
NOMINAL SIZES (Btuh)
52SQ 52SE,SC
7,000 9,000 12,000 14,000 7,000 9,000 12,000 14,000
FAN
230 6.0 6.0 6.6 7.2 6.0 6.7 6.6 7.2
208 5.8 5.8 6.4 7.1 5.8 6.5 6.4 7.1
265 5.5 6.9 6.1 6.7 5.4 6.6 6.3 6.6
LO COOL
230 6.5 6.7 7.1 7.8 6.5 6.8 7.1 8.0
208 6.3 6.5 7.0 7.7 6.3 6.6 7.0 7.9
265 6.2 7.0 6.3 6.7 6.3 6.6 6.3 6.7
HI COOL
230 6.7 6.9 7.5 8.0 6.8 7.1 7.3 8.0
208 6.7 6.9 7.2 7.9 6.7 7.0 7.1 7.9
265 6.4 7.5 6.9 7.0 6.4 6.9 6.9 6.9
LO HEAT
230 6.5 6.8 7.2 7.9 — — — —
208 6.4 6.7 6.9 7.8 — — — —
265 6.2 7.1 6.2 7.0 — — — —
HI HEAT
230 6.8 6.9 7.4 8.1 — — — —
208 6.7 6.8 7.2 8.0 — — — —
265 6.5 7.5 6.9 7.1 — — — —
LEGEND
ARI 300 NR — ARI Standard 300 Noise Rating in bels
NOTE: STC (Sound Transmission Coefficient) for Model 52S Series:
Standard Outdoor Grille — 28
Architectural Grille — 27
36
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