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Setting outdoor unit option switch and key function
K9, K10: Night’s quiet option. This reduces FAM RPM to operate the outdoor unit quietly during night operation.
Switch
Function (Night’s quiet)
K9 K10
ON ON Disuse Night’s quiet mode
ON OFF STEP - 1
OFF ON STEP - 2
OFF OFF STEP - 3
K11, K12: Changing heating capacity correction table
Switch
Function
K11 K12
ON ON Default
ON OFF Default - 28.4 psi
OFF ON Default - 14.2 psi
OFF OFF Default + 14.2 psi
Heating operation increases frequency when current high pressure is higher than target high pressure; vice versa,
decreases frequency. When target high pressure is high, the discharge air temperature of an indoor unit will increase but
energy consumption will increase as well.
Maintaining factory default status is recommended. However, if you want to reduce energy consumption or you are not
satisfied with heating performance, control the operation according to the surrounding environment. As you decrease
the target high pressure, energy consumption and noise may decrease but indoor air discharge temperature decreases
as well.
AM0@@FXMDCH_IM_EN_03408A(1).indd 40 2013-03-04 오후 4:28:27
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