19XR (PIC II) Hermetic Centrifugal Liquid Chillers 50 Hz - Carrier

Factory-mounted electronic starter (optional) - see Figures
5A and 5B
NOTE: The main circuit breaker QF101* on the front of the
starter disconnects all circuits.
Circuit breaker QF66* supplies power to the control centre, the
oil heater and the compressor starter control circuit. Circuit
breaker QF4* supplies power to the oil pump. Circuit breaker
QF11* supplies power to the control circuit. All three circuit
breakers are connected downstream of QF101* so that they do
not remain energized if the QF101* disconnect is in the “off”
position.
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Fig. 5A - Starter cabinet - internal view with internal
door closed
1. ISM module
2. Circuit breaker
3. CCM module
4. CVC module
5. Electronic starter
6. Contactor
7. Door closed (Fig. 5A above) or open (Fig. 5B opposite)
8. Conductor for field connection
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The starter cabinet includes:
The electronic starter that provides on/off phase control as its
primary function, also reduces starting torque and motor inrush
current, thus reducing mechanical stress and increasing the
useful life of the motor.
The ISM module controls the motor start-up, the control
section and the PIC II control.
* For more details refer to the wiring diagram supplied with
the unit.
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Fig. 5B - Starter cabinet - internal view with internal
door open
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