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_TROUBLE SHOOTING GUIDE BOOK __
■ ITR Result Report
3.5 All IDU operation (Cooling / Heating)
It is a function to continuously operate in cooling / heating for one hour.
■ Setting the function
Function
All IDU operation (Cooling) Fd 8
All IDU operation (Heating) Fd 9
■ Detailed information
• This function is used with heat pump and heat recovery.
• It is used for the purpose of checking the drain or heating cycle (EEV etc. parts inspection) when
cooling / heating continuous operation is not possible due to themo off.
· Ask an authorized technician to setting a function.
· This function enables additional charging of the refrigerant and installation inspection before ITR.
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