Midea ATOM B Series - Page 30

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