MCAC-VTSM-2014-09
R410A All DC Inverter Mini VRF
Troubleshooting 69
19
The last malfunction or protection code
If there is no malfunction or protection code, it will display
“nn”.
20
Display
“--”
----
12~16 kW
SW-1 query instructions
No.
Content
Note
1
Normal display
Frequency will display when running, quantities of indoor unit
will display when standby.
2
Operating mode
0
—Standby; 2—Cooling; 3—Heating; 4—Forced cooling
3
Operating fan speed level
0
—Power off
4
The total required capacity of the indoor unit
----
5
The required capacity of the revised outdoor unit
----
6
T3 piping temperature
Actual value
7
T4 environment temperature
Actual value
8
T5 discharge temperature
Actual value(if it is more than one hundred, it will be only
display the hundreds’ digit and the tens’ digit)
9
Reserved
----
10
EXV opening degree
Actual Value=Display value*8
11
Current value
Actual value
Function setting
dial switch
LED digital
tube display
SW2: Query
button
SW1: Forced
cooling button
