LG GR-B197GVQ Service Manual page 40

1-10.
Temperature compensation
and
temperature
compensation
circuit
1.
Temperature compensation
in freezer and refrigerator
1) GR-L207ERA,
GR-L247ERA
2) GR-B207ERA, GR-B247ERA
u
Temperature compensation table by adjustment value (difference value against current temperature)
Ex)
If
changing compensation
resistance
at
a
cold
storage
room
(RCR1)
from 10 kΩ
(current resistance) to
18 kΩ
(modified resistance), temperature at
the cold
storage
will increase
by
+1°C
(+1.8 °F).
EXPLANATION FOR MICOM CIRCUIT
-40-
refrigerator
refrigerator
refrigerator
refrigerator
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]
56 kΩ
+4
°C
[+7.2 °F]
56 kΩ +2.0 °C
[+3.6 °F]
Warmer
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]
2kΩ -4 °C
[-7.2 °F]
2kΩ -2.0 °C
[-3.6 °F]
Cooler
470 Ω
-5 °C
[-9 °F] 470 Ω
-2.5 °C
[-4.5 °F]