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EXPLATION FOR MICOM CIRCUIT
2, Compensation
circuit for weak-cold,
over*cold
at freezing
room
1) GR-L20TERA, GR-L247ERA
2) GR-B207ERA, GR-B247ERA
t
iRIl_4 : I
i
RI0
18K
[
,.&,
RI9
IC1
(MICOM:
JCR1
JCR2
i JCR3
JCR4
Temperature compensationin CUT
+1 °C
+2 °C
+1 °C
-1 °C
.2°C
-1 °C
Compensation
for weak-cold
JCR3
5--5
CUT
5--6
5-%
5--5
CUT
5--6
CUT
CUT
6--6
5--6
CUT
5---6
CUT
JCR4
5--b
CUT
5"6
CUT
5--6
5--6
5---6
CUT
CUT
CUT
CUT
CUT
Compensation
for over-cold
JCRI
JCR2
5---6
6--6
5---6
5--6
5--'b
5--6
CUT
6----6
6----6
CUT
CUT
CUT
CUT
6--_
CUT
CUT
CUT
CUT
CUT
CUT
CUT
CUT
Temperature
compensation value
at cold storage room
0 °C (In shipment
from factory)
-1 °C
-1 °C
+1 °C
+1 °C
-2 °C
+2 °C
0°C
O °C
0 °C
0 °C
-1 °C
+1 °C
O°C
Remarks
I_ The above option circuit is a circuit to compensate
for temperature at the cold storage room by simply cutting in service.
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