I verified power to through the defrost heater, and was preparing to replace the termination thermostat. Then I noticed a wire in parallel with the termination thermostat which disappears. No diagrams available.
Should I. Refrigeration System.
Temperature. Control. Pressure Control Boiler operating control (used as a thermostat). • Condenser fan cycling or Typical line voltage wiring diagram.
3. Setpoints control initiation and termination. Figure 2 Typical defrost/pumpdown wiring diagram Once again, the defrost cycle will terminate on time or temperature.
Fan delay can be accomplished by either a temperature control (thermostat or klixon), or a time delay. 1. DESCRIPTION.
The F25 Control terminates defrost and delays evaporator fan operation safety thermostat or timer override, if used, would function only if the F25 Figure 1. 3. Wire control is recommended by the evaporator manufacturer. If so, you may want to check into installing a defrost termination/fan delay control.
Schematic showing defrost termination/fan delay switch.DEFROST TERMINATION In order to see its importance, let’s assume that the system does not have a defrost termination/fan delay control, or that it is not functioning. Once the normally open (NO) contacts of the defrost time control have closed and the unit is in defrost mode, the defrost heaters will emit heat and frost will melt off the evaporator coil.
Oct 05, · It used to have seperate fan and termination switches. But now it has one of those three-wire universal switches.
I got there and found no diagram on the unit, and no stat like that in the truck, the evap solid ice, and no common to the defrost heaters. Somebody 'fixed' it .
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Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". • Defrost control will determine when to stop the cooling to allow the frost and ice build-up to thaw • Decision is based either on a time schedule (defrost timer) or a precise reading of the temperature or pressure of your equipment (defrost control) ©.True GDM 12f Wiring diagramdefrost termination thermostat | eBay