Johnson Controls SABROE SAB 120 L User Manual

Operating manual - SAB 120-151 A-frame (including ATEX)
008668 en 2019.08
25/61
Safety precautions
4.8 Sound measurement and noise data
4.8.1 Noise data
Noise data is stated in:
SWL:
A-weighted sound power level
SPL:
A-weighted sound pressure level, in free field over reflecting plane (1 m distance).
• Noise data is based on measurements according to ISO 9614-2.
• The stated SPL values are calculated using the formula 8.3 in ISO 3744.
• The stated values are for a complete unit operating in 100% capacity.
4.8.2 Noise data for SAB 120-151
Evaporating temperature, TE -15°C
Condensing temperature, TC
+35°C
Refrigerant R717/HCFC/HFC
Speed
2950 rpm
For 60 Hz-driven compressors, add +2 dBA to the stated levels.
Type of unit
SWL SPL
SAB 120 S 100 83
SAB 120 M 101 84
SAB 120 L 103 86
SAB 120 E 104 87
SAB 151 S 106 88
SAB 151 M 107 89
SAB 151 L 107 89
SAB 151 E 108 90
Table 5
Noise data for other operating conditions can be provided by Johnson Controls Denmark on
request.
Note:
• The actual SPL value on site will be between the stated SPL and SWL depending on the
acoustic environment in the machine room.
• In a typical machine room without any noise absorbing materials, the actual SPL will be
approximately 14 dBA higher than the stated SPL (free field value).
• Checking the actual SPL must therefore always be accompanied by measurements of the
acoustic environment of the machine room. Alternatively, ISO 9614-2 could be followed
at the installation site to obtain SWL comparable values.
• Be aware of local/national requirements for the use of ear protection. Generally, it is rec-
ommended to use ear protection in machine rooms.

Johnson Controls SABROE SAB 120 L Specifications

General

Brand	Johnson Controls
Model	SABROE SAB 120 L
Category	Air Compressor
Language	English