Elba R410A Guía para resolver problemas Pagina 122

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Outdoor Units
- 126 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Outdoor Units
1.Basic control
1.1 Normal operation
PID : Proportional Integrate Derivative
1.2 Compressor control
Frequency Control:Frequency that corresponds to a room capacity will be determined according to the room
temperature, outdoor temperature and the difference in the temperature of a room and the temperature set by
the remote controller.
Cooling mode Heating mode Stop state
Compressor Step Control Step Control stop
Fan Step Control Step Control After 30sec, Off
EEV PID Control PID Control After 60sec, Full Open
4 way valve Off On After 30sec, Off
Step_base Standard frequency step by Qj (Summation of capacity code)
Long piping Comp. Step compensation by setting long piping
Step_TAO step compensation by TAO (Outdoor temp.)
Step_TAI step compensation by TAI (Indoor temp.)
Step_DTAI Step Compensation of temperature difference Indoor Temp. and Setting Temp.
Comp_Step = (Step_base+Long piping compensation) x Step_TAO x Step_TAI x Step_DTAI
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