28
SW2 Query Instructions
No**. Parameter description Parameter value*
0 Normal display
If all indoor units off, it will show the quantity of all indoor units; if the outdoor
unit is in time delay, it will show 0; if the outdoor unit is running, it will show
compressor speed.
1 Operating mode (0 - off, 2 - cooling, 3 - heating, 4 - forced cooling)
2 Operating fan speed 1 through 7, 0 - stop
3
The total capacity requirements of the
indoor unit
This number is related to indoor capacity (Horsepower) and indoor room
temperature and setpoint.
4
The capacity requirement of the revised
external unit
This is a number revised by outdoor ambient temperature based on the previous
number No. 3
5 T3 (Condenser temperature) Actual value in C
6 T4 (Outdoor ambient temperature) Actual value in C
7
T5 (Compressor discharge
temperature)
If T5>99, it will only show the front two digits of the actual temperature. For
example, it will show "10." when T5 is 105.
8 Reserved Reserved
9 Opening of EEV Actual value*8P
10 Unit current Amps
11 1/10 of DC bus voltage
12
T2/T2B average temperature
T2 - Heat/T2B Cooling
(When system operates cooling, it shows T2B; when system operates heating, it
shows T2.)
T2 and T2B Average Operating IDU Coil Temp sensor In degrees C
13 Total number of the indoor units
14 Number of the operating indoor unit Number of IDUs calling for certain mode
15 Model code 10 - 3 Ton; 14 - 4 Ton; 17 - 5 Ton
16 Priority mode
0 - Heating priority; 1 - Cooling priority; 2 - First running priority ; 3 - Heating only;
4 - Cooling only
17
Version of the fi rmware
18
The last fault or protection code
19 --
End
* Units of temperature are shown as °C, units of pressure are shown as MPa.
** No refers to number of presses of SW2 button.
Figure 30. SW2 Spot Check Query
To Previous Page
Loading...
Need help?
General
