SiAF332111E Control for 4/5/10/12 HP Outdoor Unit
Part 4 Functions and Control 65
1.4.4 Inverter Protection Control
Inverter current protection control and inverter fin temperature control are performed to prevent
tripping due to abnormality, transient inverter overcurrent, and fin temperature increase.
Inverter overcurrent protection control
Model A (A) B (A)
4HP 13.7 14.8
5HP 23.0 24.1
10/12HP 22.0 22.0
Not limited
Limited
Inverter current > A (A)
Inverter current > A (A)
Inverter current ≥ B (A) × 10% continues for 260 seconds
•
Inverter current ≤ A (A)
•
Compressor upper limit: Maximum frequency
&
•
10 seconds
•
Matching of frequency
&
Compressor upper limit
frequency: 1-step down from
current compressor frequency
Compressor upper limit
frequency: 1-step up from
current compressor frequency
Inverter current
standby
Inverter current ≤ A (A)
continues for 3 minutes
Current step maintained
Without conditions
When occurring 4 times
within 60 minutes,
the error code L8 is output.
To Next Page
Loading...
