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Setting outdoor unit option switch and key function
4) After selecting the function for options, press and hold the K2 switch for 2 seconds . Edited value of the option will be
saved when entire segments blinks and tracking mode begins .
• Edited option will not be saved if you do not end the option setting as explained in above instruction .
CAUTION
❋ ❋ While you are setting the option, you may press and hold the K1 button to reset the value to previous setting .
❋ ❋ If you want to restore the setting to factory default, press and hold the K4 button while you are in the option setting
mode .
- If you press and hold the K4 button, setting will be restored to factory default but it doesn't mean that restored setting
is saved . Press and hold the K2 button . When the segments shows that tracking mode is in progress, setting will be
saved .
Option Item
Input Unit SEG1 SEG2 SEG3 SEG4
Channel address
Main
Pump Down
The object of pump down
X You can reduce as much refrigerant leakage as possible during product movement or repair by collecting the refrigerant
X
to the outdoor unit .
Caution for pump down procedure
X The amount of refrigerant that can be put into an outdoor unit is limited due to the slim shape of the outdoor unit .
X
X Before performing pump down, most of the refrigerant should be put into an empty container at first . The maximum
X
amount of refrigerant that can be put into the outdoor unit is 5kg(176 . 4 oz) .
X When the amount of system refrigerant exceeds the amount of maximum receptive capacity, compressor trip or damage
X
by fire might be caused .
Pump down procedure
X Before performing pump down, collect the refrigerant into the empty container .
X
X Turn off the manifold gage .
X
X Turn off the service valve of liquid pipe side .
X
X Press K2 button on the outdoor unit PCB three times . ('
X
X When the compressor starts operating, observe low pressure using manifold gage .
X
X When the low pressure goes below 0 MPa(gauge pressure), turn off the service valve at gas side and finish the pump
X
down operation . (To finish pump down operation, press K2 button one more time or press K3 button one time to be
initiated . )
• When putting refrigerant into the refrigerant container, you must use the exclusive container that can be
recharged . When remodeling normal refrigerant container illegally, explosion might occur .
CAUTION
42
A
U
0
0
0 ~ 15
Function of the option
Automatic setting
(Factory default)
Manual setting for channel
(0~15)
' is displayed on outdoor PCB LED . )
Remarks
Address for classifying the
product from upper level 0 ~ 15
controller (DMS, S-Net 3, etc . )
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