GREE DC Inverter Multi VRF System II Service Manual
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on the main board of ODU for more than 10s, then all LEDs will blink for 5s. All settings are cleared out,
including the IP addresses and project codes of IDU and ODU. The mark for finished debugging remains
the same.
iii.When you only want to restore the default functions, hold SW3 and SW4 button for more than 10s,
then all LED will blink for 7s. All function settings are cleared out, but IDU and ODU’s project codes and
the mark for finished debugging remain the same.
2.3.10 Static Pressure Function
If ODU’s installation area is not convenient for releasing air and users do not have strict
requirements for ODU noise, this function can be set to satisfy the heat exchange of ODU.
Before power on, set codes of SA6 of main board. The relevant static pressure is:
Code setting SA6
Static pressure
(Pa)
DIP1 DIP2
0 0 0
1 0 20
Note: code of number side is “1”; default code of SA6 is “00”.
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