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Taizhou Mingjia Electrical Co., Ltd


Add: No.95-97, hENGJIE town, Luqiao Borough,
 Taizhou City, Zhejiang Province, China


Tel:86-576-88521132

Fax:86-576-88521132

msn: dara.xu@hotmail.com
email:

sales@thermal-sensor.com

Refrigerator Defrost Timer DHK-4
Refrigerator Defrost Timer » DHK-4

Pictures available of Refrigerator Defrost Timer:

DHK-4

Refrigerator Defrost Timer

A defrost timer is a cycling device typically found in refrigerators and freezers. It times the frequency and duration that the defrost heater coils melt the ice that builds up around the evaporator coils. If ice is allowed to build up, air will not be able to freely flow past them - resulting in reduced efficiency and sometimes a drastic warming of the cooling unit. Most of the time, the defrost timer is in the cooling mode, allowing the compressor to activate when the thermostat signals it to. The remaining part of the cycle (usually less than 30 minutes)the timer is in defrost mode. In this mode, it signals the defrost heaters to melt the ice build up on the coils. This defrost action is limited by the defrost thermostat.
This device can be located in a number of different locations inside the fridge, including behind the control panel or grille in the freezer. It is a crude clock which switches back and forth between a defrost mode and a regular cooling mode. When the refrigerator timer turns into defrost mode, the cooling functions of the refrigerator are turned off and the defrost heater is activated to melt frost which has built up in the freezer. When the timer returns to cooling mode, the refrigerator is allowed to cool again and the defrost heater is turned off. The overall internal temperature of the fridge is kept in a safe range.

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Refrigerator Defrost Timer Details

Feature:
Corrosion-resistant surface
Novel structural design
Working low noise.
Imported raw material.
 
Specification:
Rated Voltage
Frequency
Input Current
Input Power
Switch Rating
Resistance
Capacitance
1-2(Connect
defrost Circuit)
1-4(Connect
compress)
AC208-240V
50/60Hz
<15mA
<2W
<0.6W
250V 5A
1/3hp
AC100-120V
50/60Hz
<25mA
<2W
<0.4W
135V 10A
1/2hp
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