Automatic Wiring/Piping Correction Function; How To Activate This Function - Bosch Climate 5000 Series Installation Manual

Installation Manual

12 Automatic Wiring/Piping Correction Function

Climate 5000 models now feature automatic correction of wiring/piping errors.
Press the "check switch" on the outdoor unit PCB board for 5 seconds until the LED
displays "CE", indicating that this function is working. Approximately 5-10 minutes
after the switch is pressed, the "CE" disappears, meaning that the wiring/piping
error is corrected and all wiring/piping is properly connected.
Figure 27 Figure 26

12.1 How To Activate This Function

1. Check that outside temperature is above 41°F (5℃).
(This function does not work when outside temperature is not above
41°F (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 until the LED displays
"CE".
Bosch Thermotechnology Corp. | 05.2019
Bosch Climate 5000 Series Multi Zone Ductless Air Conditioner / Heat Pump | 25
Correct wiring
B
Terminal
A
block
Liquid/
B
A
Gas pipe
Outdoor unit
Incorrect wiring
B
Terminal
A
block
Liquid/
B
A
Gas pipe
Outdoor unit
Incorrect wiring
B
Terminal
A
block
Liquid/
B
A
Gas pipe
Outdoor unit
Check switch
LED display
Indoor unit B
Indoor unit A
Indoor unit B
Indoor unit A
Indoor unit B
Indoor unit A
Data subject to change