25
No. Point
check
content
Example
Remark
0 Outdoor
unit
capacity
C3
Model+RT
1 Outdoor
unit
mode
2
0 standby,2
cooling
，
3heating
2
Outdoor unit set frequency
3
EXV opening degree
Actual value
4 T3
tube
temp.
5 T4
ambient
temp.
6
T5 air discharge temp.
7 Reserved
8
Te low pressure temp.(air return saturation)
9
Tc high pressure temp.(Air dischage saturation)
10 Tf module temp.
Actual value
*10
Actual value
*10
13 Air discharge superheat
14 Reserved
15 Reserved
16 Frequency conversion current
17 Voltage
value
18 Air
speed
19 Reserved
20 Reserved
21 Reserved
Spit oil quantity
Actual value
/10
23 The last time error code
24 Softw are
version
25 Remark“--”
22
Pc high pressure (air discharge pressure)
12
Pe low pressure (air return pressure)
11
1
、
Shift to display content of data code pipe when pressing point check key shortly(check key).
Display the next set of data when press the key once. The display content is accordance with the
sequence.
2
、
There’re 3 digits for LED. The first digit is sequence(only display units digit, recycling display), the
second and third digits are values. For example, the 8th item is operating low pressure saturation
temperature. The 11th item is operating low pressure. For detailed meanings, please refer to the point
check table.3. After staying for 20s, it will recover to the normal status display
4
、
For normal status display, the last 2 digits of nixie tube will display ambient temp when the unit is in
standby status(the first nixie tube has no display). When operating, last 2 digits of nixie tube will display
operating frequency.(If there’s system protection, the first digit of nixie tube will display status code,
details for code meaning, please refer to the error code table )
8.6 Parameter point check table
