24
No. Point check content Example Remark
0 Outdoor unit capacity C3 Model+RT
1 Outdoor unit mode 2
0 standby,
2 cooling,
3 heating
2 Outdoor unit set compressor speed
3 opening of EXV Actual value
4 T3(outdoor coil temp.)
5 T4 (outdoor ambient temp.)
6 T5(compressor discharge temp.)
7 Reserved
8 Te (evaporating temp.)
9 Tc (condensing temp.)
10 Tf (module temp.)
Actual value
MPa x10
Actual value
MPa x10
13 Compressor discharge superheat
14 Reserved
15 Reserved
16 compressor current
17 Reserved
18 Fan speed
19 Reserved
20 Reserved
21 Reserved
Reserved
23 The last time Fault code
24 Software version
25 Remark“--”
22
Pc (evaporating pressure) 12
Pe (evaporating 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). During 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 Fault
code table )
9. Parameter point check table
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