Back Up Running; Indoor Unit; Outdoor Unit - Haier AU96NFTAHA Service Manual

17. Back up running

a. Indoor unit
When the sensor of indoor unit have fault as shown in Table 1, it will automatically enter into back up runningwhile displayi
Table 1
Sensor with fault
TC1
TC2
Pressure
TA
TC1 x 2
TC2 +TA
Pressure + TA
TC1 x 2 + TA
b. Outdoor unit
The sensor used by outdoor unit can be classified as automatic back up running and manual setting back uprunning. (refer
Sensor
Pd (discharge pressure)
Ps ( intake pressure)
TS ( intake temperature)
TE (Heat exchanger
temperature)
Treatment
Conduct normal control by using another TC sensor
Automatic back up running
Automatic back up running
Automatic back up running
Automatic back up running
Automatic back up running
Automatic back up running
Automatic back up running
Manual back up running (Fixed on Pd =1.96 Mpa (20kgf/cm
Manual back up running (Fixed on Ps =0.392 Mpa (4kgf/cm
Manual back up running (TS = 10*)
Manual back up running (Fixed on TE = 20 *)
Treatment
115
: http://splitoff.ru/tehn-doc.html
Inspection code
94
B9
0C
93
94, 0C
B9, 0C
93, 0C
Inspection code
)
2
)
2
A2
18