LG SxS GR-P247 Service Manual page 45

EXPLATION FOR MICOM CIRCUIT
1-10. Temperature compensation and over-cool/weak-cool compensation circuit
1. Temperature compensation at freezing room, cold storage room
1) GR-P247, L247, P207, L207
2) GR-C247, B247, C207, B207
Freezing room
Resistance value
(RCF1)
180 kΩ
56 kΩ
33 kΩ
18 kΩ
12 kΩ
10 kΩ
8.2 kΩ
5.6 kΩ
3.3 kΩ
2 kΩ
470 Ω
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.
Temperature Resistance value
compensation
+5 °C
+4 °C
+3 °C
+2 °C
+1 °C
0 °C
-1 °C
-2 °C
-3 °C
-4 °C
-5 °C
Temperature compensation at R-room
Temperature compensation at F-room
Temperature compensation at R-room
Temperature compensation at F-room
Cold storage room
Temperature
(RCR1) compensation
180 kΩ +2.5 °C
56 kΩ +2.0 °C
33 kΩ +1.5 °C
18 kΩ +1.0 °C
12 kΩ +0.5 °C
10 kΩ
8.2 kΩ -0.5 °C
5.6 kΩ -1.0 °C
3.3 kΩ -1.5 °C
2 kΩ -2.0 °C
470 Ω
-2.5 °C
- 45 -
Remarks
Warmly
compensate
0 °C Reference temperature
Coolly
compensate