Midea MV5-X252W/V2GN1 User Manual

V5 X VRF 50/60Hz
201608 45
Part 5 - Diagnosis and Troubleshooting
2.3 Components
Layout 2.3.1
Figure 5-2.2: Outdoor unit main PCB components
Function of buttons SW1 to SW4 2.3.2
Table 5-2.3: Function of buttons SW1 to SW4
Button
Function
SW1
Force cooling
SW2
System check
SW3
Check for specific errors
SW4
Reserved
SW2 system check button 2.3.3
Before pressing SW2, allow the system to operate steadily for more than an hour. On pressing SW2, the parameters listed
in Table 5-2.4 will be displayed in sequence.
Table 5-2.4: SW2 system check
DSP1
content
Parameters displayed on DSP2
Remarks
- 0
Outdoor unit address
Master unit: 0; slave units: 1, 2, 3
- 1
Outdoor unit capacity
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
Outdoor unit output metric (total of all units)
Displayed on master unit PCB only
- 5
Indoor unit demand metric (total of all units)
- 6
Outdoor unit output metric (master unit)
- 7
Operating mode
Refer to Note 2
- 8
Outdoor unit output metric (this unit)
- 9
Fan A speed index
Refer to Note 3
Table continued on next page …
ENC1 ENC3
S12
S3
S7 S1 ENC2
S4 S2 S5 S6
ENC4
S10
DSP1
DSP2
Buttons
SW1/2/3/4
Main control chip
Communication chip
LED indicators
LED1/2/3
Inverter drive chips
LED indicators
LED6/7
LED indicators
LED4/5
SW4
SW2
SW3
SW1
] Digital display
Current sensors

Midea MV5-X252W/V2GN1 Specifications

General

Brand	Midea
Model	MV5-X252W/V2GN1
Category	Air Conditioner
Language	English