Supply voltage
(V)
Recommended overload setting F21
(A)
380 312
440 269
460 272
575 217
ZR/ZT 250 compressors designed for a maximum inlet temperature of 50 ˚C/122 ˚F with IE3 motor
or equipped with oversized IE3 motor
Supply voltage
(V)
Recommended overload setting F21
(A)
380 321
440 277
460 249
575 196
ZR/ZT 275 designed for a maximum inlet temperature of 40 ˚C/104 ˚F with IE2 motor
Supply voltage
(V)
Recommended overload setting F21
(A)
380 312
440 269
460 272
575 217
ZR/ZT 275 designed for a maximum inlet temperature of 40 ˚C/104 ˚F with IE3 motor
Supply voltage
(V)
Recommended overload setting F21
(A)
380 349
440 302
460 266
575 212
Compressors with medium-voltage and high-voltage motors
For compressors with a medium-voltage or high-voltage motor, apply the local regulations.
12.4 Reference conditions
Absolute inlet pressure 1 bar(a)
14.5 psi(a)
Ambient temperature 20 °C
68 °F
Instruction book
310 2920 1815 04