Automatic Wiring/Piping Correction Function
Function of Automatic Wiring/Piping Correction
Function of
Automatic Wiring/
Piping Correction
More recent models now feature automatic correction of wiring/piping errors.
To activate this
feature, look for the check switch as shown in the picture below and follow the instructions below.
How To Activate This Function
1.
Check that outside temperature is above 5
℃
.
(This function does not work when outside temperature is not above 5
℃
)
2.
Check that the stop valves of the liquid pipe and gas pipe are open.
3.
Turn on the breaker and wait at least 2 minutes.
4.
Press the check switch on the outdoor PCB board unit LED display
"CE"
.
5. After 5-10 minutes,
"CE"
will disappear indicating the wiring/piping error is corrected.
Correct
Terminal
block
Liquid/
Gas pipe
Outdoor unit
Indoor unit B
Indoor unit A
B
A
B
A
Incorrect wiring
Terminal
block
Liquid/
Gas pipe
Outdoor unit
Indoor unit B
Indoor unit A
B
A
B
A
Incorrect wiring
Terminal
block
Liquid/
Gas pipe
Outdoor unit
Indoor unit B
Indoor unit A
B
A
B
A
Check switch
LED display