KAESER EPC Series, Service Manual

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Model Inlet aperture (Z) [m
2
] Exhaust fan (A)* [m
3
/h]
EPC 420–2–250 — —
EPC 550–2–250 — —
EPC 550–2–350 — —
EPC 750–2–500 0.5 1650
EPC 1000–2–500 0.75 2250
*Forced ventilation: required airflow for static ventilator thrust at maximum duty cycle [ΔT 10 K]
Tab. 7 Ventilation
2.7 Pressure switch setting
Factory setting
Cut-in pressure [bar]
11.5
Cut-out pressure [bar] 14.5
Pressure differential Δp
[bar]
3
Customer-specific settings may differ.
Minimum adjustment range: 4 bar cut-in pressure, 6 bar cut-out pressure
Tab. 8 Pressure switch setting
2.8 Pressure
Air receiver relief valve activating pressure
Maximum working pres‐
sure [bar]
15
Activating pressure [bar] 16
Tab. 9 Air receiver relief valve activating pressure
Cylinder or collecting pipe relief valve activating pressure*
Maximum working pres‐
sure [bar]
15
Activating pressure [bar] 11
*EPC 420–2 to EPC 1000–2
Tab. 10 Cylinder or collecting pipe relief valve activating pressure
Air cooler relief valve activating pressure*
Maximum working pres‐
sure [bar]
15
Activating pressure [bar] 17.5
*EPC 420–2 to EPC 1000–2
Tab. 11 Air cooler relief valve activating pressure
2 Technical Specification
2.7 Pressure switch setting
No.: 9_9431_02 E
Service Manual 2-stage piston compressor
EPC
5