Protection Control
SiUS342004EB
95
Part 4 Functions and Control
Heating
Pc
<
3.17 MPa
(460 psi)
Pc
<
3.22 MPa
(467 psi)
Pc
>
3.39 MPa
(492 psi)
Pc
>
3.31 MPa
(4
8
0 psi)
Pc
>
3.72 MPa
(540 psi)
N
ormal control
9-step do
w
n
All units
Compressor step: 1
3-step up
Current step
maintained
High pressure standby
(2 times
w
ithin 40 minutes)
Pc: High pressure sensor
detection value for master
unit
Abnormal stop
(
E3
is displayed)
Pc
>
3.31 MPa
(4
8
0 psi)
After 10
seconds
After 10
seconds
After 15
seconds
High pressure s
w
itch (4.0 MPa
(5
8
0 psi)
) is activated
Summary of Contents for VRV RXYQ72-384XAYCA
Page 1: ...Service Manual RXYQ72 384XAYCA RXYQ72 384XBYCA Heat Pump 60 Hz SiUS342004EB...
Page 395: ...SiUS342004EB Wiring Diagrams Part 7 Appendix 388 FXFQ07 09 12 15 18 24 30 36 48TVJU 3D086460B...
Page 397: ...SiUS342004EB Wiring Diagrams Part 7 Appendix 390 FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 401: ...SiUS342004EB Wiring Diagrams Part 7 Appendix 394 FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 402: ...Wiring Diagrams SiUS342004EB 395 Part 7 Appendix FXDQ07 09 12 18 24MVJU C 3D050501C...
Page 409: ...SiUS342004EB Wiring Diagrams Part 7 Appendix 402 FXHQ12 24 36MVJU 3D048116C...
Page 410: ...Wiring Diagrams SiUS342004EB 403 Part 7 Appendix FXAQ07 09 12 18 24PVJU 3D075354F...
Page 418: ...Wiring Diagrams SiUS342004EB 411 Part 7 Appendix VAM1200GVJU 3D073270D...
