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ELECTRONIC CONTROLLER INSTRUCTION
5-2-2. FUNCTION TABLE
No Function
Controlled
Description
Part
1 Initial Buzzer, Fan
Operation or Door Lamp
Bar LED
88 LED
2 Temperature Compressor
Control F-fan
C-fan
LED
3 Turbo Compressor
Cooling F-fan
C-fan
LED
1. Buzzer will ring 2 sec. after Plug-In.
2. 88 LED displays micom version initially and does inside temperature in 2 sec.
3.
Compressor runs, if evaporator temperature is higher than 41.0˚F(5.0˚C). Compressor
will run 3 minutes after plug-in, if eva. temperature is lower than 41.0˚F(5.0˚C).
1. The temperature can be changed by pushing up/down buttons.
2. 88 LED displays inside temperature.
3. Buzzer buzzes 1 time whenever a button is pressed.
4. Compressor automatically turns on and off by D-sensor (Except error mode)
5. After Comp. is off, comp. will not start for 3 min. even though the D-sensor is at
on point.
6. F-fan runs continuously except when door is opened.
7. F-fan will start 3 sec. after door is closed.
8. Comp. on/off temperature ˚F (˚C)
FD-1900R
No. 1 2 3 4
Comp Off 30.2(-1.0) 27.7(-2.4) 25.3(-3.7) 22.8(-5.1)
Comp On 42.8(6.0) 41.0(5.0) 39.1(4.3) 38.3(3.5)
No. 5 6 7 8 9
Comp Off 21.2(-6) 20.3(-6.5) 19.4(-7) 18.5(-7.5) 17.6(-8)
Comp On 37.4(3) 37.4(3) 37.4(3) 37.4(3) 37.4(3)
1. If Turbo Cooling button is pressed, Turbo Cooling mode will start.
2. If the Turbo Cooling button is pressed during Turbo Cooling mode, Turbo
Cooling mode can be canceled.
3. During Turbo Cooling mode, the temperature control button will not affect the
temperature control.
4. All bar LEDs are fully lighted during Turbo Cooling mode.
5. The comp., E-fan and C-fan operate continuously for 120min.
If D-sensor temperature comes to 14˚F(-10˚C), they stop regardless of 120min.
6. Turbo Cooling mode will start after defrost is completed. If you press the Turbo
Cooling button during defrost function.
7. Defrost function starts after Turbo
Cooling mode if defrost function
occurs during Turbo Cooling mode.
*NOTE*
D-sensor : Thermistor (Electrical resistance varyes with temperature changing)
Act like thermostat. Detect eva. coil’s temp. Wire color is blue.
R-sensor : Thermistor
Act like thermometer. Detect inside air temp. Wire color is white.
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