Troubleshooting
Page 49
19
Evaporator pipe temp. T2 of 1# indoor
unit
If the temp. is lower than 0
o
C, the digital display tube will show “0”.If the
temp. is higher than 70 degree, the digital display tube will show “70”. If the
indoor unit is not connected, the digital display tube will show: “--”
Current loop communication models display “--”
20
Evaporator pipe temp. T2 of 2# indoor
unit
21
Evaporator pipe temp. T2 of 3# indoor
unit
22 1# Indoor unit capacity demand code Actual data*HP*10
If capacity demand code is higher than 99, the digital display tube will show
single digit and tens digit. (For example, the digital display tube show “5.0”,it
means the capacity demand is 15. the digital display tube show “60”,it means
the capacity demand is 6.0). If the indoor unit is not connected, the digital
display tube will show: “--”
Current loop communication models display “--”
23 2# Indoor unit capacity demand code
24 3# Indoor unit capacity demand code
25 Room temp. T1 of 1# indoor unit
If the temp. is lower than -9 degree, the digital display tube will show “-9”.If
the temp. is higher than 70 degree, the digital display tube will show “70”. If
the indoor unit is not connected, the digital display tube will show: “--”
Current loop communication models display “--”
26 Room temp. T1 of 2# indoor unit
If the temp. is lower than 0 degree, the digital display tube will show “0”.If the
temp. is higher than 70 degree, the digital display tube will show “70”. If the
indoor unit is not connected, the digital display tube will show: “--”
Current loop communication models display “--”
27 Average room temp. T1
If the temp. is lower than 0 degree, the digital display tube will show “0”.If the
temp. is higher than 70 degree, the digital display tube will show “70”. If the
indoor unit is not connected, the digital display tube will show: “--”
28 Reason of stop
29
Evaporator pipe temp. T2B of 1#
indoor unit
If the temp. is lower than -9 degree, the digital display tube will show “-9”.If
the temp. is higher than 70 degree, the digital display tube will show “70”. If
the indoor unit is not connected, the digital display tube will show: “--”
Current loop communication models display “--”
30
Evaporator pipe temp. T2B of 2#
indoor unit
If the temp. is lower than 0 degree, the digital display tube will show “0”.If the
temp. is higher than 70 degree, the digital display tube will show “70”. If the
indoor unit is not connected, the digital display tube will show: “--”
Current loop communication models display “--”
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