Gree FGR50Pd/DNa-M Owner's Manual page 19

Ducted Type Split Air-Conditioner Units(Inverter Series)
debugging for each step is finished, "oC" will be displayed; once all engineering debugging are
finished, "oF" will be displayed, which indicates the unit is under standby status.
Buttons and digital display tube on the motherboard location:
Instruction:
① Indicator of main board (digital display tube) "LED1" and four button: "SW1", "SW2",
"SW3" and "SW4".
Key No.
Function
② Jumper cap of the unit "JUPM1", jumper cap No. varies from different type.
③ DIP switch "SAI", DIP switch varies from different cooling capcity, before leaving the
factory, DIP switch is set for different models and fixed with glue.
④ The main control function DIP switch "SA6" is used to set master module and
subsidiary module, the defaulted factory setting is the main module. As the fig is
shown, dialing to "ON" side represents "0" and dialing to the figure side represents
"1", the defaulted setting for the unit is "00". For the system with two outdoor units,
one of them shall be set as the main module, namely, dial "SA6" to "00", then set the
other unit as subsidiary module, namely, dial the "SA6" to "10".
Function
Master module
Subsidiary module
Fig.20
SW1 SW2
Up Down
SA6
1
0
1
15
SW3
OK
2
0
0
SW4
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