Protection Control
SiUS331604E
45
Functions and Control
Heating operation
High pressure drop
Pc > 3.04 MPa (441 psi)
After 10 sec.
Pc > 3.04 MPa (441 psi)
Pc < 2.94 MPa (426 psi)
Pc > 3.64 MPa (528 psi)
Current step maintained
After 60 sec.
High pressure not limited
High pressure limited
Compressor upper limit
frequency: 1-step up from
current compressor frequency
Pc: High pressure sensor detection value
Compressor upper limit
frequency: 1-step down from
current compressor frequency
When occurring 10 times within 60
minutes, high pressure switch is activated
without high pressure standby, thus
outputting the error code
E3
.
Pc < 2.89 MPa (419 psi)
High pressure
standby
Summary of Contents for VRV IV-S RXTQ-TAVJU Series
Page 1: ...Service Manual SiUS331604E RXTQ36 48 60TAVJU Heat Pump 60 Hz...
Page 254: ...Wiring Diagrams SiUS331604E 241 Appendix RXTQ48TAVJU 3D100496A...
Page 255: ...SiUS331604E Wiring Diagrams Appendix 242 RXTQ60TAVJU 3D100497A...
Page 260: ...Wiring Diagrams SiUS331604E 247 Appendix FXEQ07 09 12 15 18 24PVJU C 3D098557...
Page 267: ...SiUS331604E Wiring Diagrams Appendix 254 FXTQ12 18 24 30 36 42 48 54PAVJU 3D065036G...
Page 270: ...Wiring Diagrams SiUS331604E 257 Appendix VAM1200GVJU 3D073270C...
Page 271: ...Revision History Month Year Version Revised contents 06 2016 SiUS331604E First edition...
