Flooded Type Water Cooled Screw Chiller Technical M
anual
26
4 Electrical Wiring
Electrical wiring must comply with low-voltage distribution device and circuit design specification.
Low-voltage circuit breaker for short circuit protection should be installed for power supply circuit.
Rated current of circuit breaker should be at least one class higher than max operating current of
unit.Setting current of transient overcurrent release shouldn’t be more than 1/1.3 of short circuit
current if unit.
4.1 Requirements for Power Supply
1
.
Power supply of unit should use dedicated power supply system. Total power supply capacity
must be more than the power corresponding to max operating current of unit.
2
.
Power supply system of unit: three-phase five-wire system: 380V 3N~/50Hz.