Daewoo ERF-366A, Service Manual

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15.
FUNCTION
OF
LOW ROOM
TEMPERATURE
1) Condition of LOW RT TEMP :
1.1- LOW RT A : RT SENSOR <14ºC
1.2- LOW RT B : 15
º
C > RT-S < 19
º
C
2) Control
2.1- When Comp. is on, R-SENSOR HTR is off.
When it passes 6 min after COMP. is off, R-SENSOR HTR is on until COMP is on.
2.2- COMP. can’t be on within 40 min. after COMP. is off.
2.3- When it is not the Mode of LOW ROOM TEMP. or RT-SENSOR is on
ERROR(open or short), R-SENSOR HTR is off.
- LOW RT TEMP A Condition
R-SENSOR Operating Temperature 1ºC up
- LOW RT TEMP B Condition
R-SENSOR Operating Temperature
16.
R-SENSOR
OFF POINT
ADJUSTING
OPTION
1) R-Sensor OFF Point can be adjusted by changing the input voltage of Micom 26 pin.
2) The default of input voltage is 0V.
3) The changed OFF Point is base OFF POINT + OFF POINT of input voltage.
4) The change of R-SENSOR OFF POINT depend on the input voltage of MICOM
MICOM
Input (V)
0 1.0 1.5 2.0 2.5 3.7 5.0
OFF
POINT
Variation
(ºC)
-0.15ºC
(DEF)
1.0
Down
2.0
Down
3.0
Down
1.0
Up
2.0
Up
3.0
Up
R26, R27
Resistan
ce
(KOhms)
Jumper
adoption
R27 : 40
R26 : 10
R27:23.3
R26:10
R27:15
R26:10
R27:10
R26:10
R27:3.5
R26:10
R27:10
R26:DEL
35