LG DH65EL Service Manual - Page 7

1.6.5 HUMIDITY CONTROLLER 1.6.5.1 Mechanical Type The humidity control can be set anywhere between Off and Max for normal operation. If you need more dehumidification, turn the Humidity Control toward Max. If you need less dehumidification, turn the Humidity Control toward Off. The relative humidity range is from 20% to 80%. (See Figure 6) Turn the Humidity Control to Off to stop the unit manually. 1.6.5.2 Electronic Type The humidity control can be set 'on' or 35%-70% RH(Relative Humidity) for normal operation. (See Figure 7) If you need drier air, press the v Humidity Control button. If you need moister air, press the A Humidity Control button. Press the Power button to stop the unit manually. 1.6.6 DRYER (DH30, DHR-3030, DHE-3031) Dryer is used to prevent capillary blockage from moisture in the refrigerant system and HIE, condenser and evaporator. Also, dryer is used to remove corrosion of the components. NOTE: When dryer is replaced, proper injection to capillary is needed. On opening the dryer, it should be welded instantly. The oxidization of dryer inside and all tubes inside after welding can be prevented. 42% R.H 4(50% 5(42%) 40% 6(35%) 3(60%) 7(30%) 2(70%) 8(25%) 1(80%) Off 9(20%) DEAD DIAL Max. Figure 6 C_I Cl % Auto Restart HUMIDITY CONTROL V Figure 7 Dryer Figure 8