To test the operation of the timer, simply energize it by supplying the terminals 1 and 2 with the voltage indicated on the timer itself, turn the potentiometers to the minimum time of the scale, approximately 2 minutes, and verify the switching of contacts. through continuity testing. When cooling, the “NC” contact (4) remains closed, in contact with terminal “C” (3), and the green LED is lit, when defrosting the “NC” contact will open and the “NO” will be closed with terminal “C” (3) and the red led will light up. Under this condition the timer will be able to be applied to the system.
There is also on the front face of the cyclomat timer a button for manual activation of the defrost cycle, when pressed the cooling time programming is disregarded and it activates the defrost for the programmed time. Delay Delay Timers; Cyclic timers.
