Modifications to the compressor cubicle:
Step
Action
1
Adjust the motor overload (FM1) setting.
2
Control transformer (T1) – Move the primary connection from 230V to the desired voltage.
3
Replace the control fuses (F1) 10.3 x 38mm with the ones provided (see further).
Use 1A fuses for 460V or 2A for 208V
4
Modify the motor terminal bridge configuration in the cubicle (X2). See further for details.
5
Replace the voltage sticker by the appropriate voltage sticker provided.
Motor overload relay (FM1) setting:
Rotate the adjustment screw (1) on the front of the relay to the required value.
Adjustment screw of the motor overload
Motor overload (FM1) settings
7.5 kW
11 kW
15 kW
10 hp
15 hp
20 hp
208 V
36.3
48
33.2
230 V (Standard factory setting)
34.3
45
30
460 V
16.9
22.5
15
Control transformer (T1):
Move the wire to the terminal marked with the desired voltage (208 V, 230 V or 460 V).
Transformer T1
Fuses F1 – F3:
The fuses are supplied with the compressor.
Fuses
fuse rating
(V)
208 V
230 V
460 V
Class
F1
600 V AC
2 A
2 A
1 A
UL class JDYX or JDYX2 10.3 x 38mm
Motor terminal bridge configuration:
Instruction book
50
2920 7113 40
Summary of Contents for QGS 10
Page 1: ...Quincy Oil injected rotary screw compressors QGS 10 QGS 15 QGS 20S Instruction book ...
Page 2: ......
Page 18: ...2 3 Oil system Oil system Oil system units with dryer Instruction book 16 2920 7113 40 ...
Page 23: ...Electric cubicle UL DOL Instruction book 2920 7113 40 21 ...
Page 51: ...208 230 460V 60Hz Instruction book 2920 7113 40 49 ...
Page 68: ...The new service interval is now set Instruction book 66 2920 7113 40 ...
Page 74: ...Line filters Instruction book 72 2920 7113 40 ...
Page 84: ...8 Problem solving Control panel Air outlet valve Instruction book 82 2920 7113 40 ...
Page 85: ...Oil filler plug Condensate drain valve on air receiver Instruction book 2920 7113 40 83 ...
Page 94: ......
Page 95: ......