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SiUS042113E
Check
Part 6 Service Diagnosis
137
5.5 Four Way Valve Performance Check
Check No.13
Start heating operation.
(R25254)
NO
YES
YES
Four way valve
coil resistance at
440 - 750
?
NO
Turn off the power and turn it on
again.
Replace the outdoor unit
PCB.
Replace the outdoor unit
PCB.
Replace the four way valve
coil.
Replace the four way valve.
NO
YES
S80 voltage at
0 VDC with compressor on?
S80
voltage at 120 -
380 VDC for 3 sec. after
compressor starts, and then at
about 10 - 24 VDC?
(Fig. 1)
Disconnect the four way valve coil
from the connector and check the
continuity.
(Fig. 1)
Voltage at S80
120 - 380 VDC
10 - 24 VDC
Time
Compressor
ON
3 sec.
< Caution on resetting the power supply >
Be sure to wait for 30 sec. or more after turning off the power.
Four way valve coil
Cooling / Dry : No continuity
Heating : Continuity
Содержание FTXM-V Series
Страница 13: ...SiUS042113E Part 1 General Information 9 1 Applicable Models 10 2 Functions 11 Part 1 General Information...
Страница 16: ...SiUS042113E 12 Part 2 Specifications 1 Specifications 13 Part 2 Specifications...
Страница 96: ...Troubleshooting SiUS042113E 92 Part 6 Service Diagnosis Reference Check No 01 Refer to P 134...
Страница 147: ...SiUS042113E Check Part 6 Service Diagnosis 143 09 12 class 18 24 class 1 2 3 4 Multimeter R24538 1 2 3 4 Multimeter...
Страница 150: ...Check SiUS042113E 146 Part 6 Service Diagnosis 18 24 class R24539 DC DC W V U...
Страница 165: ...SiUS042113E Piping Diagrams Part 8 Appendix 161 1 2 Outdoor Unit RXM09 12VVJU RXM18VVJU 3D131979 3D132216...
Страница 166: ...Piping Diagrams SiUS042113E 162 Part 8 Appendix RXM24VVJU 3D132217...
Страница 171: ...SiUS042113E Operation Limit Part 8 Appendix 167 3 Operation Limit RXM09 12 18 24VVJU 3D133582A...