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8. System configuration
Installer reference guide / Mono tank integrated type
168
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AE050RXYDEG, AE080RXYD**, AE120RXYD**, AE160RXYD**
1
Check the power supply between the outdoor unit and the auxiliary circuit breaker.
– 1 phase power supply : L, N
– 3 phases power supply : R,S,T,N
2
Check the control panel
– Check that you have connected the power and communication cables correctly. (If the power cable and
communication cables one mixed up or connected incorrectly, the PCB will be damaged.)
– Check the temp. sensor, drain pump/hose, and display are connected correctly.
3
Press K1 or K2 on the outdoor unit PCB to run the test mode and stop.
KEY
KEY operation
7-segment display
K1
Press once : Heating test run
" " " " "BLANK" "BLANK"
Press twice : Defrost test run
" " " " "BLANK" "BLANK"
Press 3times : Finishing test mode
-
K2
Press once : Cooling test run (Heating Only : skip)
" " " " "BLANK" "BLANK"
Press twice : Output signal test run
" " " " "BLANK" "BLANK"
Press 3 times : Finishing test mode
-
K3
Reset
-
K4
View mode
Refer to View mode display
7-segment display
KEY (K1~K4)
4
View Mode: When the K4 switch is pressed, you can see information about our system state as below.
Number of press
Display contents
Display
Units
Segment 1
Segment 2
Segment 3
Segment 4
0 time
Communication State 10s digit of Tx
1s digit of Tx
10s digit of Rx
1s digit of Rx
-
1 time
Order frequency
1
100s digit
10s digit
1s digit
Hz
2 times
Current frequency
2
100s digit
10s digit
1s digit
Hz
3 times
Pump output
3
100s digit
10s digit
1s digit
%