Protection Control
SiUS34-801A_b
68
VRVIII R-410A Heat Pump 60Hz
8.4
Inverter Protection Control
Inverter current protection control and inverter fin temperature control are performed to prevent
tripping due to a malfunction, or transient inverter overcurrent, and fin temperature increase.
In the case of multi-outdoor-unit system, each INV compressor performs these controls in the
following sequence.
[Inverter overcurrent protection control]
Perform the following control of integrated for each INV compressor.
N
ormal operation
D
u
ring the control of
in
v
erter protection
In
v
erter c
u
rrent
v
al
u
e<14.7A (460
V
)
26.5A (230
V
)
I
NV
u
pper limit fre
qu
ency=max (210Hz)
&
In
v
erter c
u
rrent
v
al
u
e
>14.7A (460
V
)
26.5A (230A)
I
NV
Comp.
u
pper limit
step: 1-step
u
p
In
v
erter c
u
rrent
v
al
u
e
<14.7A (460
V
)
26.5A (230
V
)
contin
u
es for 20 seconds
C
u
rrent stat
u
s
maintained
10 seconds
I
NV
Comp.
u
pper limit
step: 1-step do
w
n
In
v
erter c
u
rrent
v
al
u
e
>14.7A (460
V
)
26.5A (230
V
)
In
v
erter c
u
rrent>16.1 (460
V
) contin
u
es for 260 seconds.
In
v
erter c
u
rrent stand
b
y
W
hen occ
u
ring 4 times
w
ithin 60 min.,
the malf
u
nction code [
L
8
] is displayed.
31 (230
V
)
Summary of Contents for RXYQ96PYDN
Page 15: ...SiUS34 801A_b xiv...
Page 23: ...Model Selection SiUS34 801A_b 8 General Information...
Page 133: ...Field Settings SiUS34 801A_b 118 VRVIII R 410A Heat Pump 60Hz...
Page 254: ...SiUS34 801A_b Test Operation VRVIII R 410A Heat Recovery 60Hz 239 R 410A Label R 410A Label...
Page 329: ...Field Setting SiUS34 801A_b 314 Indoor Unit...
Page 340: ...SiUS34 801A_b Troubleshooting by Remote Controller Troubleshooting 325...
Page 490: ...SiUS34 801A_b Piping Diagrams Appendix 475 Heat Pump 230V RXYQ72 96 120PTJU 3D058636A...
Page 491: ...Piping Diagrams SiUS34 801A_b 476 Appendix Heat Pump 230V RXYQ144PTJU 3D058640...
Page 492: ...SiUS34 801A_b Piping Diagrams Appendix 477 Heat Recovery 460V REYQ72 96 120PYDN 3D058639A...
Page 493: ...Piping Diagrams SiUS34 801A_b 478 Appendix Heat Recovery 460V REMQ72PYDN 3D058637A...
Page 494: ...SiUS34 801A_b Piping Diagrams Appendix 479 Heat Recovery 460V REMQ96 120PYDN 3D058638A...
Page 495: ...Piping Diagrams SiUS34 801A_b 480 Appendix Heat Recovery 230V REYQ72 96 120PTJU 3D058639A...
Page 496: ...SiUS34 801A_b Piping Diagrams Appendix 481 Heat Recovery 230V REYQ144PTJU 3D058640...
Page 497: ...Piping Diagrams SiUS34 801A_b 482 Appendix Heat Recovery 230V REMQ72PTJU 3D058637A...
Page 498: ...SiUS34 801A_b Piping Diagrams Appendix 483 Heat Recovery 230V REMQ96 120PTJU 3D058638A...
Page 501: ...Piping Diagrams SiUS34 801A_b 486 Appendix 1 3 BS Unit 4D057985A...
Page 537: ...Piping Installation Point SiUS34 801A_b 522 Appendix...
Page 543: ...Pressure Sensor SiUS34 801A_b 528 Appendix...
Page 563: ...SiUS34 801A_b iv Index...
