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Setting outdoor unit option switch and key function
Setting key operation and checking the view mode with tact switch
K1 K2 K3 K4
< A type > < B type >
K1 control KEY operation Display on segment
Press and hold 1
time
Auto trial operation “K” “K” “BLANK” “BLANK”
K1 (Number of
press)
KEY operation Display on segment
1 time Refrigerant charging in Heating mode “K” “1” “BLANK” “BLANK”
2 times Trial operation in Heating mode “K” “2” “BLANK” “BLANK”
3 times Pump out in Heating mode (Outdoor unit address 1) “K” “3” “BLANK” “1”
4 times Pump out in Heating mode (Outdoor unit address 2) “K” “3” “BLANK” “2”
5 times Pump out in Heating mode (Outdoor unit address 3) “K” “3” “BLANK” “3”
6 times Pump out in Heating mode (Outdoor unit address 4) “K” “3” “BLANK” “4”
7 times Vaccuming (Outdoor unit address 1) “K” “4” “BLANK” “1”
8 times Vaccuming (Outdoor unit address 2) “K” “4” “BLANK” “2”
9 times Vaccuming (Outdoor unit address 3) “K” “4” “BLANK “ “3”
10 times Vaccuming (Outdoor unit address 4) “K” “4” “BLANK” “4”
11 times Vaccuming (All outdoor units) “K” “4” “BLANK” “A”
12 times End Key operation -
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