32
(1) When you are going to sleep, select sleep switch and the unit controls the room to the desired temperature.
(The unit will not operate after 4 hour)
(2) For changing the temperature.
(3) To cancel sleep mode, press the SLEEP button again or press the MODE button once.: the SLEEP
indicator will disappear in the display.
Sleep Mode
0
0.5
1.0
HOUR
(COOLING CYCLE)
DT
+0.5
°
C
+0.5
°
C
+0.5
°
C
0
0.5
1.0
HOUR
(HEATING CYCLE)
DT
–0.5
°
C
–0.5
°
C
–0.5
°
C
Frost Prevention of Indoor Unit
When the unit operates at low ambient temperature, frost may appear on the Evaporator. When the indoor coil
temperature is lower than 0°C at the end of 10 minutes of continuous compressor operation from the start, the
microcomputer of the unit stops the compressor to protect the unit from the frost. The control procedure for
indoor coil freeze protection.
1) The compressor and outdoor fan turn off.
2) Indoor fan operates according to user set speed.
3) The normal operation returns when the indoor coil
temperature is higher than 7°C or equal to 7°C.
4) In case of operating only the 9K indoor unit in the
cooling mode, the outdoor fan is
controlled according to the temperature of the
condenser sensor as shown below.
-1
°
C
+7
°
C
Compressor and
Outdoor Fan
ON
ON
OFF
Indoor Fan
Set speed
OUTDOOR
FAN MOTOR
CONDENSER
SENSOR TEMP.
OFF
ON
46
°
C
53
°
C
(Indoor coil temperature)
(Condenser sensor temp.)
Содержание DMB-1812LH
Страница 36: ...36 5 WIRING DIAGRAM ...
Страница 47: ...PCBDRIVINGDESCRIPTION ...
Страница 48: ...1 PCB CIRCUIT DIAGRAM DMB 1812LH Outdoor ...
Страница 49: ......
Страница 50: ...DMB 1812LH 12K ...
Страница 51: ......
Страница 52: ...DMB 1812LH 9K ...
Страница 53: ......
Страница 77: ...74 6 U9 KIA7042P RESET IC KIA70 42P OUTLINE INPUT GROUND OUTPUT VCC 1 3 2 OUT GND ...
Страница 81: ...78 3 EXPLODED DIAGRAM Indoor Unit DMB 1812LH 9K ...
Страница 83: ...80 DMB 1812LH 12K ...
Страница 86: ...83 4 EXPLODED DIAGRAM Outdoor Unit DMB 1812LH ...
Страница 88: ...85 5 CONTROL BOX ASSEMBLY DMB 1812LH 9K ...
Страница 90: ...87 DMB 1812LH 12K ...
Страница 92: ...89 DMB 1812LH Outdoor ...