Midea ATOM MDV-V56WDHN1(AtB)

Atom B Series VRF 50/60Hz
25
Part 4
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Field Settings
Table 4-1.1: 28 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
S1
S1-1
S1-1 is ON, Forced implementation of old indoor unit protocol
S1-1 is OFF, Automatically adapting to indoor unit protocol( default)
S1-2
S1-2 is ON, Clearing of indoor unit address
S1-2 is OFF, Automatic addressing ( default)
S1-3
S1-3 is ON, Automatically judging EXV control mode of ODU in cooling
mode
S1-3 is OFF, ODU EXV of forced discharge temperature control in cooling
mode ( default)
S2
S2=000
First enabled priority mode(default)
S2=100
Cooling priority mode
S2=010
Automatic selection of priority mode
S2=001
In response to cooling mode only
S2=110
In response to heating mode only
S2=011
Heating priority mode
S3
S3=000
ODU capacity: 8KW
S4
S4=0000
Network address of ODU: 0(default)
S4=1000
Network address of ODU: 1
S4=0100
Network address of ODU: 2
S4=1100
Network address of ODU: 3
S4=0010
Network address of ODU: 4
S4=1010
Network address of ODU: 5
S4=0110
Network address of ODU: 6
S4=1110
Network address of ODU: 7
Notes:
1. Black denotes the switch position.