02-13
Protective Function
Detect Parts
Operating Condition
Operation
Overcurrent Break
Stop
(Compressor)
Overcurrent
Protection Circuit
COOL HEAT
Compressor stopped
Heatsink Temp
Thermistor
<Pattern starting condition>
Heat sink temperature 100°C
<Pattern reset condition>
3 minutes have elapsed and heat sink temperature 85°C
Compressor stopped
Heatsink Temp
Protection Stop
<Pattern starting condition>
Pattern generated 3 times within 60 minutes.
<Pattern reset condition>
10 minutes have elapsed and heat sink temperature 85°C
Compressor stopped
Error display
<Pattern starting condition>
Current value Cooling: 22.5A / Heating: 23.5A
<Pattern reset condition>
Current value Cooling: 22.5A / Heating: 23.5A
Frequency Maximum
Setting Protection
(Compressor)
<Pattern starting condition>
Current value Cooling: 23.0A / Heating: 24.0A
<Pattern reset condition>
Current value Cooling: 23.0A / Heating: 24.0A
Current Detector
Circuit
Compressor is stopped when the over currernt protectioncircuit in the
inverter PCBoad detects an abnormal current duringthe operation.
If it repeated 5 times, the compressor becomes permanentstop.
Compressor is stopped when the over current protection circuit in the
inverter PC Board detects an abnormal current at the time of start up.
Compressor becomes permanent stop if it repeated over the number
of set time.
<Reset condition>
Error reset (push button SW) executed after power turned on again.
Compressor speed lowered
Compressor speed rise prohibited
• Pattern and start current value changed by outside
temperature
DISPLAY
E941
E931
(permanent stop)
(permanent stop)
EAC4
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