KAESER EPC Series User Manual

2.9 Sound pressure level
Operational state:
■ Operating mode LOAD at rated speed, rated air flow and nominal pressure.
Measurement conditions:
■ Mean sound pressure level at 1 m distance to EN ISO 2151
Model Sound pressure level [dB(A)] Sound pressure level with enclo‐
sure
[dB(A)]
EPC 230–2–100 — —
EPC 230–2–250 — —
EPC 420–2–250 — —
EPC 550–2–250 — —
EPC 550–2–350 — —
EPC 750–2–500 80/80* —
EPC 1000–2–500 82/82* —
* Sound pressure level for machines with vertical air receivers
Tab. 12 Sound pressure level
2.10 Motor power and speed
➤ Read off the enclosure protection rating from the motor nameplate and enter in the table:
Rated power
[kW]
Synchronous
speed [min
-1
] (50
Hz)
Synchronous
speed [min
-1
] (60
Hz)
Degree of pro‐
tection
KC 236-2 1.7 — —
KC 420-2 3.0 — —
KC 550-2 4.0 — —
KC 750-2 5.5 1500 1800
KC 1000-2 7.5 1500 1800
Tab. 13 Power and speeds
Permissible starting frequency
➤ Read-off the permissible starting frequency of the motor from the table below.
Rated power [kW] Permissible starting frequency [1/h]
1.7 —
3.0 —
4.0 —
5.5 15
2 Technical Specification
2.9 Sound pressure level
6
Service Manual 2-stage piston compressor
EPC No.: 9_9431_02 E

KAESER EPC Series Specifications

General

Type	Rotary Screw Compressor
Drive Type	Direct Drive
Cooling System	Air-cooled
Control System	Sigma Control 2.0
Weight	Varies depending on model
Noise Level	62 - 75 dB(A) (depending on model)