Midea MV6-252WV2GN1 - 2.2.4 UP; DOWN system check button

V6 VRF 50/60Hz
63
Part 5 - Electrical Components and Wiring Diagrams
How to exit specified menu mode:
Table 5-2.4: Exit specified menu mode method:
Menu mode Manual exit method Automatic exit method System restart
Debug mode 1 (2)
Long press SW6 “OK” button when the digital
display is not in menu selection state
After running 120 minutes Invalid
Maintenance mode / After running 60 minutes Invalid
Backup run /
After running 4 days or both
two compressors are failed
Invalid
Vacuum mode
Long press SW6 “OK” button when the digital
display is not in menu selection state
After running 8 hours Invalid
Power limitation mode Select power limitation mode 1 “n41” / Valid
Auto power save mode Select “nb3” / Valid
Auto snow-blowing mode 1 (2) Select “nb7” / Valid
VIP address setting / / Valid
o
F /
o
C setting / / Valid
UP / DOWN system check button
Before pressing UP or DOWN button, allow the system to operate steadily for more than an hour. On pressing UP or DOWN
button, the parameters listed in Table 5-2.5 will be displayed in sequence.
Table 5-2.5: System check
DSP1
content
Parameters displayed on DSP2 Remarks
0.--
Unit address
Master unit: 0; slave units: 1, 2
1.--
Unit capacity (HP)
Refer to Note 1
2.--
Number of outdoor units
Displayed on master unit PCB only
3.--
Number of indoor units as set on PCB
Displayed on master unit PCB only
4.-- Total capacity of outdoor unit (HP)
Only available for master unit, displayed on slave
units has no sense
5.--
Total capacity requirement of indoor units(HP)
Displayed on master unit PCB only
6.--
Total corrected capacity requirement of indoor units
Displayed on master unit PCB only
7.--
Operating mode
Refer to Note 2
8.--
Outdoor unit actual operating capacity
9.--
Fan A speed index
Refer to Note 3
10.--
Fan B speed index
Refer to Note 3
11.--
Indoor heat exchanger pipe (T2/T2B) temperature (°C)
Actual value = value displayed
12.--
Main heat exchanger pipe (T3) temperature (°C)
Actual value = value displayed
13.--
Outdoor ambient (T4) temperature (°C)
Actual value = value displayed
14.--
Plate heat exchanger cooling refrigerant inlet (T6A) temperature (°C)
Actual value = value displayed
15.--
Plate heat exchanger cooling refrigerant outlet (T6B) temperature (°C)
Actual value = value displayed
16.--
Inverter compressor A discharge temperature (°C)
Actual value = value displayed
17.--
Inverter compressor B discharge temperature (°C)
Actual value = value displayed
18.--
Inverter module A heatsink temperature (°C)
Actual value = value displayed
19.--
Inverter module B heatsink temperature (°C)
Actual value = value displayed
20.--
Plate heat exchanger cooling refrigerant outlet temperature minus inlet temperature (°C)
Actual value = value displayed
21.--
Discharge superheat degree (°C)
Actual value = value displayed
22.--
Inverter compressor A current (A)
Actual value = value displayed
23.--
Inverter compressor B current (A)
Actual value = value displayed
24.--
EXVA position
Refer to Note 4
25.--
EXVB position
Refer to Note 4
26.--
EXVC position
Refer to Note 4
27.--
Compressor discharge pressure (MPa)
Actual value = value displayed × 0.1
28.--
Reserved
29.--
Number of indoor units currently in communication with master unit
Actual value = value displayed
30.--
Number of indoor units currently operating
Displayed on master unit PCB only
31.--
Priority mode
Refer to Note 5
32.--
Silent mode
Refer to Note 6
33.--
Static pressure mode
Refer to Note 7
Table continued on next page …