Gree A Series Service Manual page 35

A Series Modular-type Air-cooled (Heat Pump) Chiller
2) Select the unit in need of defrosting. Once "□" turns green, it indicates this unit has
been selected. Two or more units cannot be selected at the same time.
3) Enable the defrosting function of the selected unit. When "□"turns to √", it indicates
manual defrosting function for this unit has started as shown in the figure below.
4) When disable the defrosting function for this unit, there will be a pop-up window, saying,
"Unit XX defrosting has not finished, are you sure to stop it manually?" as shown
in the figure below.
5) By pressing "OK", manual defrosting will be deactivated, with "√"changed to "□"
[Notes]
1) Before activating this function, "Mode" should be firstly set to "Manual-defrost".
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