LG Electronics GR-P257/L257 Temperature compensation and temperature compensation circuit

EXPLATION FOR MICOM CIRCUIT

1-12. Temperature compensation and temperature compensation circuit

1.Temperature compensation in freezer and refrigerator

(1) GR-P227/L227/P257/L257

Temperature compensation at refrigerator

Temperature compensation at freezer

Freezer			Refrigerator
Resistance value	Temperature		Resistance value	Temperature		Remarks
(RCF1)	compensation		(RCR1)	compensation
180 kΩ	+5 °C [+9°F]		180 kΩ	+2.5	°C [+4.5°F]	Warmer
56 kΩ	+4	°C [+7.2°F]	56 kΩ	+2.0	°C [+3.6°F]
33 kΩ	+3	°C [+5.4°F]	33 kΩ	+1.5	°C [+2.7°F]
18 kΩ	+2	°C [+3.6°F]	18 kΩ	+1.0	°C [+1.8°F]
12 kΩ	+1	°C [+1.8°F]	12 kΩ	+0.5	°C [+0.9°F]
10 kΩ	0 °C [0°F]		10 kΩ	0	°C [0°F]	Reference temperature
8.2 kΩ	-1	°C [-1.8°F]	8.2 kΩ	-0.5	°C [-0.9°F]
5.6 kΩ	-2	°C [-3.6°F]	5.6 kΩ	-1.0	°C [-1.8°F]
3.3 kΩ	-3	°C [-5.4°F]	3.3 kΩ	-1.5	°C [-2.7°F]
2 kΩ	-4	°C [-7.2°F]	2 kΩ	-2.0	°C [-3.6°F]
470 Ω	-5 °C [-9°F]		470 Ω	-2.5	°C [-4.5°F]	Cooler

uTemperature compensation table by adjustment value (difference value against current temperature)

Ex) If you change compensation resistance at a refrigerator (RCR1) from 10 kΩ (current resistance) to 18 kΩ (modified resistance), the temperature at the refrigerator will increase by +1°C[+1.8°F].

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