Protection Control
Si18-525B
124
Function
4.4
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.
Inverter overcurrent protection control
Inverter fin temperature control
Not limited
Limited
Inverter current >23.8A
Inverter current
Inverter current
≥
24.9A
>23.8A
•
Inverter current
≤
23.8A
•
INV upper limit frequency
&
•
10 sec.
•
Matching of frequency
&
• When occurring 3 times within 60 min.,
the malfunction code "L8 " is output.
• When occurring 3 times within 30 min.,
the malfunction code "L9" is output
INV upper limit frequency:
1-step down from current
compressor frequency
INV upper limit frequency:
1-step up from current
compressor frequency
Inverter current
standby
Inverter current
≤
23.8A
continues for 3 min.
Status quo
Without conditions
(V3178)
Not limited
Limited
Tfin
≥
93˚C
Tfin
≥
93˚C
Tfin
≥
99˚C
Fin temp. standby
•Tfin
≤
90 ˚C
•INV upper limit frequency
&
• When occurring 3 times within 60 min.,
the malfunction code "L4" is output.
INV upper limit frequency:
1-step down from current
compressor frequency
•10 sec.
•Macthing of frequency
&
Tfin
≤
90˚C
continues for 3 min.
INV upper limit frequency:
1-step up from current
compressor frequency
Status quo
Without conditions
(Q0377)
Содержание D-Series
Страница 1: ...Si18 525B Applied Models Super Multi Plus Cooling only Super Multi Plus Heat Pump D Series ...
Страница 33: ...List of Functions Si18 525B 20 List of Functions ...
Страница 34: ...Si18 525B Specifications 21 Part 2 Specifications 1 Specifications 22 1 1 Cooling Only 22 1 2 Heat Pump 42 ...
Страница 71: ...Specifications Si18 525B 58 Specifications ...
Страница 107: ...Printed Circuit Board Connector Wiring Diagram Si18 525B 94 Printed Circuit Board Connector Wiring Diagram ...
Страница 117: ...Refrigerant Flow for Each Operation Mode Si18 525B 104 Refrigerant Circuit ...
Страница 171: ...Indoor Unit SkyAir Models Si18 525B 158 Function ...
Страница 207: ...Test Operation and Field Setting for RA Indoor Unit Si18 525B 194 Test Operation ...
Страница 336: ...Si18 525B Service Check Function Troubleshooting 323 ...
Страница 443: ...BP Unit Si18 525B 430 Removal Procedure The clamps are to be kept in stock Step Procedure Points Clamps Q0529 ...
Страница 469: ...Wiring Diagrams Si18 525B 456 Appendix ...
Страница 475: ...Si18 525B vi Index ...