Function Of Indoor Unit - Heat Controller B-MMC09FA-1 Service Manual

Operation

Function of Indoor Unit

Split Type Indoor Unit
Operation ON/OFF by Remote controller
Sensing the Room Temperature
• Room temperature sensor. (THERMISTOR)
Room temperature control
• Maintains the room temperature in accordance with the Setting Temp.
Starting Current Control
• Indoor fan is delayed for 5 seconds at the starting.
Time Delay Safety Control
• Restarting is delayed for approx. 3 minutes.
Indoor Fan Speed Control
• High, Med, Low, Chaos, Jet Cool
Operation indication Lamps (LED)
On/Off : Lights up during the system operation.
Sleep Mode : Lights up during Sleep Mode Auto operation.
Timer : Lights up during Timer operation.
Defrost Mode : Lights up during Defrost Mode or Hot Start operation (Heat pump model only)
Outdoor unit
: Lights up during outdoor unit operation.(Cooling model only)
operation
Desire temperature For cooling,dehumidification,heating modes it display Destired temperature
indicator
Soft Dry Operation Mode
• Intermittent operation of fan at low speed.
Sleep Mode Auto Control
• The fan is switched to low(Cooling), med(Heating) speed.
• The unit will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
Natural Air Control by CHAOS Logic
• The fan is switched to intermittent or irregular operation
• The fan speed is automatically switched from high to low speed.
* Airflow Direction Control
• The louver can be set at the desired position or swing
up and down automatically.(Model base)
"Wall Mounted Type is standard"
* Functions is dependent on model type.
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
• Cooling : 18°C~30°C(64°F~86°F)
• Dehumidification : 18°C~30°C(64°F~86°F)
• Heating : 16~30°C(60°F~86°F)
• AI : Auto Operation
• Po : Jet Cool
• Lo : Test Mode
Deice (defrost) control (Heating)
• Both the indoor and outdoor fan
stops during deicing.
• Hot start after deice ends.
Hot-start Control (Heating)
• The indoor fan stops until the
evaporator piping temperature will
be reached at 27°C(80.6°F).
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LGE Internal Use Only