79
[35] 4-way valve reversing failure, or Temperature sensor Two, Twi, Thi, Tho of Hydraulic module is wrong
installed
Reinstall the Temperature
sensor of Hydraulic module
If Temperature sensor Two,
Twi, Thi, Tho of Hydraulic
module is wronginstalled
If connection between 4-way valve
and connecting board is good
If system meets condition of
4-way valve reversing: Pd-
Ps>0.6MPa
Measure if CN49 voltage on
connecting board is 220VAC after
4-way valve reversing condition
is met
If compressor running current
is normal
Replace 4-way valve
If there is air noise after 4-way
valve reverses, and if the temp.
of connection pipes with 4-way
valve is normal
Re-connect
Check if SV1 leaks
Replace connecting board
Check compressor
Y
Y
Y
Y
N
N
Y
N
N
N
N
Содержание AU082FYCRA(HW)
Страница 1: ...ATW Service Manual SYJS 03 2019REV A Edition 2019 03 ...
Страница 11: ...9 405 410 600 174 174 450 950 965 395 6 Dimensions AU082FYCRA HW Unit mm ...
Страница 12: ...10 AU112 162FYCRA HW Unit mm 1490 950 380 187 405 410 600 174 174 450 170 ...
Страница 13: ...11 AU082FYCRA HW 7 Piping Diagram ...
Страница 14: ...12 AU112 162FYCRA HW ...
Страница 27: ...25 12 Water Pressure Drop ...
Страница 28: ...26 ...
Страница 57: ...55 15 PCB Photo BM2 BM1 PCB code 0151800423 ...