Midea MV5-X400W/V2GN1-AU - System Check (SW2)

R410A All DC Inverter V5 X Series 50Hz MCAC-VTSM-2015-10
128 Installation
System check (SW2)
SW2: (CHECK)――Used to query outdoor unit data. Check point sequence and corresponding actuality is as
follows:
No.
Content (present frequency)
Note
1
Outdoor unit address
Master unit: 0; slave unit: 1, 2, 3.
2
Outdoor unit capacity
Refer to note 1
3
Outdoor unit quantity
Available for master unit
4
Setting quantity of indoor unit
Available for master unit
5
Total capacity of outdoor units
Available for master unit
6
Total capacity requirement of indoor units
Capacity requirements
7
Total correct capacity requirement of master unit
Capacity requirements
8
Running mode
Refer to note 2
9
Actual running capacity of this outdoor unit
Capacity requirement
10
Fan A speed
Refer to note 3
11
Fan B speed
Refer to note 3
12
Temperature of evaporator pipe (T2B/T2)
Actual value=display value
13
Temperature of condenser pipe (T3)
Actual value=display value
14
Temperature of outdoor ambient (T4)
Actual value=display value
15
Discharge temperature of inverter compressor A
Actual value=display value
16
Discharge temperature of inverter compressor B
Actual value=display value
17
Main inverter module temperature
Actual value=display value
18
Saturation temperature corresponding to the discharge pressure
Actual value=display value+30
19
Current of inverter compressor A
Actual value=display value
20
Current of inverter compressor B
Actual value=display value
21
Opening degree of EXVA
Pulse value=display value×8
22
Opening degree of EXVB
Pulse value=display value×8
23
High pressure
Actual value=display value×0.1MPa
24
Low pressure (Reserved)
/
25
Quantity of indoor units which are communicated with master unit
Actual value=display value
26
Quantity of working indoor units
Actual value=display value
27
Priority mode
Refer to note 4
28
Silent mode
Refer to note 5
29
Static pressure mode
Refer to note 6
30
DC voltage A
Actual value=display value×10
31
DC voltage B
Actual value=display value×10
32
Reserved
/
33
The last error or protection code
Display 000 if it has no error or protection
34
Error clearance time
Actual value=display value
35
----
End
Note:
1. Outdoor unit capacity setting: 0—8HP; 1—10HP; 2—12HP; 3—14HP; 4—16HP; 5—18HP.
2. Running mode: 0—OFF; 2—cooling mode; 3—heating mode; 4—forced cooling mode.
3. Fan speed: 0—stop; 1~15—fan speed sequentially increased.
4. Priority mode: 0—heating priority mode; 1—cooling priority mode; 2—VIP (address no. 63) priority mode or voting priority
mode; 3—heating only priority mode; 4—cooling only priority mode.
5. Silent mode: 0—night silent mode; 1—silent mode; 2—super silent mode; 3—no silent mode.
6. Static pressure mode: 0—none static pressure; 1—low static pressure; 2—medium static pressure; 3—high static pressure.
Normal display: When the outdoor unit is on standby, the first two numbers on LED digital tube will display the address of the
outdoor unit, and the last two numbers display the indoor unit’s quantity which can communicate with outdoor unit. When the
outdoor unit is operating, it will display the rotation frequency of the compressor.
System check steps:
1. Ensure the system operates steadily for more than 1 hour;
2. Press the check button (SW2) on main PCB of outdoor master unit;
3. Check the parameters one by one and fill out the commissioning tables.