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_TROUBLE SHOOTING GUIDE BOOK __
It is a function to limit the maximum RPM of ODU.
■ Setting the function
Function Option
ODU Fan Max. RPM Limit Fn 13 oFF, op1~op7
■ Option Selection
Setting
Max ODU Fan Speed
Normal Operation / Low Ambient or Overheat Operation (RPM)
UXA UXB
oFF 880 / 1000 1000 / 1150
op1 860 / 980 950 / 1100
op2 840 / 960 900 / 1050
op3 820 / 940 850 / 1000
op4 800 / 920 800 / 950
op5 780 / 900 750 / 900
op6 760 / 880 700 / 850
op7 740 / 860 650 / 800
■ Detailed information
•
This function is used to limit the maximum speed of the outdoor unit fans in applications where the
building owner desires to reduce the noise generated by the fans. The maximum fan speed limit set
by this function is ignored for defrost operation.
•
This function is used with heat pump and heat recovery.
•
Heating, Cooling and Dry modes is a change in the setting impact.
•
The operating symptoms that might be corrected using this function
No adverse operating conditions are solved using this function. The function is for convenience to
provide a method to address any possible noise complaints.
4.13 ODU Fan Max. RPM Limit
· Ask an authorized technician to setting a function.
· This option does not limit the speed of the fans during defrost operation.
· The 'ODU Fan Max. RPM Limit' and 'Night Low Noise Function' functions can be set simultaneously.
MAX RPM is set to a smaller value among the set values.
· Efficiency or capacity can be changed according to option.
Smart Load Control function enables comprehensive understanding of environmental conditions in order to
optimize energy efficiency. This technology allows active control of discharge refrigerant temperature which
eventually increases the efficiency for average outdoor unit in comparison to the previous models.
■ Setting the function
Function Option
Smart Load Control Fn 14 oFF, op1~op3
■ Option Selection
Setting Start-up Detail of function
oFF Basic operation SLC not selected
op1 Smooth Slowly controlled to become target pressure
op2 Normal Normally controlled to become target pressure
op3 Peak Quickly controlled to become target pressure
※
※ Outdoor temperature Range : (Cooling) 35 ~ 20℃ / (Heating) -10 ~ 5℃
• Smooth Mode (Op1) : Maximize energy savings, rate of temperature change less important.
• Normal Mode (Op2) : Balance the rate of temperature change with energy consumed.
• Peak Mode (Op3) : Quickly cool/heat the building, energy consumption less important
4.14 Smart Load Control
※ Outdoor temperature Range : (Cooling) 35 ~ 20℃ / (Heating) -10 ~ 5℃
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