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ESIE09-08A
Protection Control
Function
67
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 [R-410A]
Inverter overcurrent protection control [R-134a]
Not limited
Limited
Inverter current >12A
Inverter current
ⱖ
13.1A continues for 260 sec.
&
• 10 sec.
• Matching of frequency
&
•
Inverter current
standby
Status quo
Without conditions
•
Inverter current
ⱕ
12A
•
INV upper limit frequency=max Hz
INV upper limit frequency:
1-step down from current
compressor frequency
Inverter current > 12A
Inverter current
ⱕ
12A
continues for 3 min.
INV upper limit frequency:
1-step up from current
compressor frequency
When occurring 4 times within 60 min.,
the malfunction code “L8” is output.
Not limited
Limited
Inverter current > see table
Inverter current > 13.1A continues for 260 sec.
and
compressor stop
• 10 sec.
• Matching of frequency
and
or
15 sec.
Inverter current
standby
Status quo
Without conditions
• Inverter current < see table
• INV upper limit frequency = max Hz
INV upper limit frequency:
1-step down from current
compressor frequency
Inverter current > see table for 90 sec.
Inverter current < see table
continues for 3 min.
INV upper limit frequency:
1-step up from current
compressor frequency
or
current value
Table
23,8A
230V
9,5A
400V
Summary of Contents for ALTHERMA HT ERSQ 011 AA
Page 2: ......
Page 7: ...ESIE09 08A Table of Contents v 1 3 Service Tools 283 Index i Drawings Flow Charts iii...
Page 16: ...Model Names of Indoor Outdoor Units Tanks ESIE09 08A 4 General Information...
Page 28: ...Refrigerant Circuit ESIE09 08A 16 Refrigerant Circuit EKHBRD 011 014 016 AB AC V1 Y1...
Page 40: ...Functional Parts Layout ESIE09 08A 28 Refrigerant Circuit...
Page 63: ...ESIE09 08A PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 Refrigerant Circuit 51...
Page 64: ...PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 ESIE09 08A 52 Refrigerant Circuit...
Page 125: ...ESIE09 08A Field Setting Test Operation 113...
Page 232: ...Troubleshooting by Indication on the Remote Controller ESIE09 08A 222 Troubleshooting...
Page 237: ...ESIE09 08A Piping Diagrams Appendix 227 EKHBRD 011 014 016 AB AC V1 Y1...
Page 250: ...Wiring Diagrams ESIE09 08A 240 Appendix EKHBRD 011 014 016 AB AC V1...
Page 251: ...ESIE09 08A Wiring Diagrams Appendix 241...
Page 256: ...Wiring Diagrams ESIE09 08A 246 Appendix EKHBRD 011 014 016 AB AC Y1...
Page 257: ...ESIE09 08A Wiring Diagrams Appendix 247...
Page 260: ...Wiring Diagrams ESIE09 08A 250 Appendix...