Protection Control
SiUS331604E
49
Functions and Control
According to the current limit of direct current
According to the set value of direct current confirmed inverter second current limit
Set value of inverter secondary current drop
When the outdoor air temperature is
38°C (100.4°F) or more, inverter secondary current is limited to values
falling below the curve shown in the graph below.
Inverter secondary current (A)
When the outdoor air temperature is lower than 38°C (100.4°F), the inverter secondary current value is limited to
a maximum of 9.5 A.
Not limited
Existing DC power limit
requirement.
OR
OR
Compressor stopped
•
No DC power limit requirement.
•
Compressor upper limit: Maximum frequency
•
10 seconds
•
Matching
frequency
Limited
15 seconds
No DC power limit
requirement continuously
for 3 minutes.
Inverter upper limit frequency:
1-step down from current
compressor frequency
Inverter upper limit frequency:
1-step up from current
compressor frequency
Current step maintained
Existing DC power
limit requirement.
Without conditions
9.50
9.00
4.60
4.90
5.20
5.50
5.80
6.10
(kW)
Range of DC power limit
DC power
Inverter secondary current
= – × (DC power – 4.9) + 9.5
5
9
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...
