Midea ATOM B Series Service Manual page 30

Figure 4-1.3: 60 model outdoor unit main PCB
Table 4-1.2: 60 model outdoor unit main PCB switch settings
Switch Setting
SW1 Force cooling
SW2 Spot check
Network
ENC3
address
S1-1
S1-2
S1
S1-3
Switch
1
positions
Press SW1 to enter the forced cooling function;
press it again to exit the forced cooling function.
Spot check button
Outdoor unit Network Address (Valid at 0-7 ,default is 0)
S 1-1
S1-1 is ON, Forced implementation of old IDU protocol
O N
S1-1 is OFF, Automatic selection of the new or old protocol (default)
OFF
1 2 3
S 1-2
S1-2 is ON, forced clearing of IDU address
O N
S1-2 is OFF, Automatic addressing(default)
OFF
1 2 3
S1-3 is OFF, Automatically judging EXV control mode of ODU in cooling
S 1-3
O N
mode (Select cooling capacity requirement for modification)
OFF
S1-3 is ON,ODU EXV of forced discharge temperature control in cooling
1 2 3
mode，forced T2B average control for cooling capacity requirement (Default is OFF)
Atom B Series VRF 50/60Hz
Description
Table continued on next page...
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