42
Setting outdoor unit option switch and key function
Optional item Input unit SEG1 SEG2 SEG3 SEG4 Function of the option Remarks
Unused option Main 1 6 0 0 Unused option Unused option by this model
Unused option Main 1 7 0 0 Unused option Unused option by this model
Max. capacity
restriction
Main 1 8
0 0 Enabled (Factory default) Restrict excessive capacity
increase when operating indoor
units with small capacity
0 1 Disabled
Unused option Main 1 9 0 0 Unused option Unused option by this model
Unused option Main 2 0 0 0 Unused option Unused option by this model
Unused option Main 2 1 0 0 Unused option Unused option by this model
Emergency
operation for
indoor unit
communication
error
Main 2 2
0 0 Disabled (Factory default)
When set, emergency
operation is possible even
if an indoor communication
error occurs.
01
Indoor high humidity condition
(operating for up to 12hours)
02
Indoor low humidity condition
(operating for up to 24hours)
Setting key operation and checking the view mode with tact switch
K1(Number of press) KEY operation Display on segment
1 time Refrigerant charging in Heating mode
(Note 1)
““K” ”1” “BLANK” “BLANK”
2 times Trial operation in Heating mode
(Note 1)
“K” ”2” “BLANK” “BLANK”
3 times Pump out in Heating mode
(Note 1)
“K” ”3” “BLANK” “1”
4 times Vacuuming “K” ”4” “BLANK” “1”
5 times End Key operation —
K2(Number of press) KEY operation Display on segment
1 time Refrigerant charging in Cooling mode
“K” ”5” “BLANK” “BLANK”
2 times Trial operation in Cooling mode “K” ”6” “BLANK” “BLANK”
3 times Pump down in Cooling mode “K” ”7” “BLANK” “BLANK”
4 times
Automatic setting of operation mode
(Cooling/Heating) for trial operation
“K” ”8” “BLANK” “BLANK”
5 times Checking the amount of refrigerant
“K” “9” “X” “X”
(Display of last two digits may differ
depending on the progress)
6 times Discharge mode of DC link voltage
“K” ”A” “BLANK” “BLANK”
7 times Forced defrost operation
“K” ”B” “BLANK” “BLANK”
8 times Forced oil collection “K” ”C” “BLANK” “BLANK”
9 times Inverter compressor check “K” ”D” “BLANK” “BLANK”
10 times End Key operation —
K1 Control KEY operation Display on segment
Press and hold 1 time Auto trial operation
“K” ”K” “BLANK” “BLANK”