System Operation
Protection
f High pressure protection :
X
- When high pressure is > 44 . 9 kg/cm
- When high pressure is < 32 . 6 kg/cm
f Low pressure protection :
X
- When low pressure is < 1 . 4 7 kg/cm
- When low pressure is > 3 . 0 9 kg/cm
Thermostat signals
<Table 9>
Signal
G
G & Y
f For proper performance, run the unit under the following temperature conditions:
X
Cooling operation
Rooftop_ODM_IBIM_EN_2020001B8001.indd 33
2
, the compressor and the outdoor fan motor will stop running .
2
, the compressor and the outdoor fan motor will start running .
2
, the compressor and the outdoor fan motor will stop running .
2
, the compressor and the outdoor fan motor will start running .
State
ON
• Fan instant ON
OFF
• Fan 90 sec . delay OFF
• Fan instant ON
ON
• Compressor and outdoor fan instant ON
• Compressor and outdoor fan instant OFF
OFF
• Fan delay 90 sec . OFF
• Outdoor temperature: 19 to 46 °C
• Room temperature: 17 to 30 °C
• Room relative humidity less than 80 % . If the unit operates
in excess of this figure, the surface of the unit may attract
CAUTION
condensation .
ENGLISH-33
Board Function
2014-06-11 오후 8:07:25