Atlas Copco SF 2+ - Temperature Protection and Safety Valve Settings

SF 4
+
SF 4
+
SF 6
+
SF 6
+
Frequency Voltage
Overload
relay
Maximum
fuse
Overload
relay
Maximum
fuse
IEC
50 Hz 200 V 3~ 17.3 A 20 A 25.7 A 25 A
50 Hz 230 V 3~ 15.7 A 20 A 23.3 A 20 A
50 Hz 400 V 3~ 9.1 A 10/16 A
*
13.4 A 16 A
50 Hz 400 V + N 3~ 9.1 A 10/16 A
*
13.4 A 16 A
60 Hz 380 V 3~ 9.1 A 10 A 13.3 A 16 A
UL/CUL
60 Hz 200 V 3~ 17.3 A 20 A 25.2 A 30 A
60 Hz 208 V -- -- 25 A 25/30 A
**
60 Hz 230 V 3~ 15.9 A 20 A 24 A 25/30 A
**
60 Hz 460 V 3~ 8 A 10 A 12 A 15 A
60 Hz 575 V 3~ 6.2 A 10 A 9.6 A 10 A
Table 4:
*
Maximum fuses according to IEC class gL/gG for Pack and Full-Feature units, respectively.
**
Maximum fuses according to HRCII-C and according to Class CC for Pack and Full-Feature units,
respectively.
9.4 Temperature protection and safety valve settings
Temperature sensor settings (TSHH)
Compressor element outlet temperature Shutdown
temperature
SF 2+ (8 bar / 116 psi) 165 °C (329 °F)
SF 2+ (10 bar / 145 psi) 170 °C (338 °F)
SF 4+ (8 bar / 116 psi) 195 °C (383 °F)
SF 4+ (10 bar / 145 psi) 200 °C (392 °F)
SF 6+ (8 bar / 116 psi) 200 °C (392 °F)
SF 6+ (10 bar / 145 psi) 200 °C (392 °F)
Safety valve (SV)
Pressure version
Set pressure Unit
8 bar compressors 8.8 bar(e)
116 psi compressors 135 psi(g)
10 bar compressors 11 bar(e)
145 psi compressors 160 psi(g)
Instruction book
2920 7219 10 79