Instruction book
9829 3199 74 73
QOFT 30 max AWG
00
Model 460 V
QOFT 20 max AWG 4
QOFT 25 max AWG
00
QOFT 40 max AWG
00
QOFT 50 max AWG
00
QOFT 60
busbar for
M6 cable lug
9.3 Settings of safety valves
Settings
Reference Set pressure 60 Hz
Intercooler safety valve 54 psig
160 psig
High-pressure safety valve, compressors with maximal
working pressure of 8.6 bar (125 psi)
9.4 Overload relay and fuse settings
The table below gives the values for the setting of the motor overload relay (F21) and the main
cooling fan (Q15).
UL/cUL approval
Type Supply
voltage (V)
Frequency
(Hz)
Setting
F21 (A)
Setting Q15
(A)
QOFT 20 460 60 1
8
.
5 1.4
QOFT 25 460 60 22
.6 1.4
QOFT 30 460 60 2
6.6 1.4
QOFT 40 460 60 34
.
5 2
.
6
QOFT 50 460 60 41
.
8 2
.
6
QOFT 60 460 60 50
.6 6
.
2