MCAC-VTSM-2013-12 R410a Full DC Inverter Mini VRF
Troubleshooting 93
2. PCB parts instructions
80/105 model
SW2 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
The surface temperature of the cooling fin
----
10
EXV opening degree
Actual Value=Display value*8
11
Current value
Actual value
12
Voltage AD value
Actual value
13
T2 average temperature
Actual value
14
Total quantities of the indoor units
Actual value
15
The quantities of the operating indoor units
Actual value
16
Model Type
8KW: 8; 10KW: 10
17
Priority mode
Reserved
18
Version of the program
----
19
The last malfunction or protection code
If there is no malfunction or protection code, it will display
“nn”.
20
Display “--”
----
SW1: Forced
cooling
button
SW2: Query
button
Function setting
dial switch
LED digital
tube display
