What is the purpose of a timer wired into the compressor contactor control circuit on a refrigeration system?

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A defrost control typically.
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What is a compressor contactor?

Answer . it is the switch turns the compressor on and off if you look in your unit follow the power wires from disconnect the should go straight to the contactor

How do you wire a contactor?

A three pole contactor is wired with the line voltage connected to the top terminals L1,L2,L3 and the load connected to the bottom terminals T1,T2 and T3.

How do you wire a single phase contactor controlled by a pir in a lighting circuit?

It is relatively easy to wire a single phase contactor that is controlled by a pir in a lighting circuit. Take the two wires for the line that is to be interrupted or connecte

What is the purpose of the resistor in the timer circuit?

This depends on the circuit. A resistor may be connected in series with a capacitor and will control the rate at which the capacitor charges or discharges (known as an RC timi

How wire contactors?

A contactor is wired with the line voltage connected to the top terminals and the load connected to the bottom terminals. A second circuit is used to energize the contactor co

How many wires to control a contactor?

A contactor is a type of switch. However this switch uses electricity to power an electromagnetic coil to switch on or off power. Hence a contactor needs 2 wires - A live/ho