BSD 40 BSD 50 BSD 60
Rated speed [rpm] 1120 1120 1120
Enclosure protection TEFC TEFC TEFC
h = operating hours
Tab. 16 Fan motor (option K1)
2.11.3 Option K2
Fan motor
BSD 40 BSD 50 BSD 60
Rated power [hp] 0.13 0.13 0.13
Rated speed [rpm] 2700 2700 2700
Enclosure protection TEFC TEFC TEFC
Tab. 17 Fan motor (option K2)
2.12 Sound Pressure Level
Operational state
■ Nominal volume flow
■ Nominal pressure
Measurement conditions
■ Free-field measurement to CAGI/PNEUROP PN8 NTC 2.3
■ Measurement distance: 1 m
BSD 40 BSD 50 BSD 60
Sound pressure lev‐
el [dB (A)]
68 69 71
Tab. 18 Sound pressure level
2.13 Power Supply
Basic requirements
The machine is designed for an electrical supply according to National Electric Code (NEC) NEC–
670, particularly NFPA 79, edition 2007, section 4.3. In the absence of any user-specified alternatives,
the limits given in these standards must be adhered to. Consult manufacturer for any other specific
power supply.
Further requirements
Demands on a three-phase supply for a machine with the following equipment:
■ Refrigeration dryer powered from a transformer
2 Technical Data
2.12 Sound Pressure Level
9_5708 08 USE
Service Manual Screw Compressor
BSD
9
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