Quincy QGS 10 Instruction Book page 52

Modifications to the compressor cubicle:
Step
1
2
3
4
5
Motor overload relay (FM1) setting:
Rotate the adjustment screw (1) on the front of the relay to the required value.
Motor overload (FM1) settings
208 V
230 V (Standard factory setting)
460 V
Control transformer (T1):
Move the wire to the terminal marked with the desired voltage (208 V, 230 V or 460 V).
Fuses F1 – F3:
The fuses are supplied with the compressor.
Fuses Fuse rating
(V)
F1 600 V AC
Motor terminal bridge configuration:
50
Action
Adjust the motor overload (FM1) setting.
Control transformer (T1) – Move the primary connection from 230V to the desired voltage.
Replace the control fuses (F1) 10.3 x 38mm with the ones provided (see further).
Use 1A fuses for 460V or 2A for 208V
Modify the motor terminal bridge configuration in the cubicle (X2). See further for details.
Replace the voltage sticker by the appropriate voltage sticker provided.
Adjustment screw of the motor overload
208 V
2 A
7.5 kW 11 kW
10 hp 15 hp
36.3 48
34.3 45
16.9 22.5
Transformer T1
230 V 460 V Class
2 A 1 A UL class JDYX or JDYX2 10.3 x 38mm
Instruction book
15 kW
20 hp
33.2
30
15
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