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When restarting after the trip stop occurs, the horsepower may increase slowly depending on the trip counter value.
(1) If trip counter =1, the horsepower increases at a speed that is 1/2 of ordinary roadmap control.
(2) If trip counter =2, the horsepower increases at a speed that is 1/3 of ordinary roadmap control.
(2) Current Protection
Inverter compressor current control is composed of primary current control and secondary current control.
Current protection control for the inverter compressor is performed by self-protection in the inverter circuit, and
does not increase or decrease the compressor capacity.
16.5A
13.5A
13.0A
12.5A
12.0A
90H
z
80H
z
-
Primary current
Secondary current
Inverter compressors stop (HIC auto. protection)
Inverter compressors stop (When 100ms is detected,
current protection works.)
Control
Hz decrease in the inverter compressor
Prohibit Hz increase in the inverter compressor
Permit Hz increase in the inverter compressor
75.0A or (302°F)
16.0A~
14.5A~
13.5A~
3-6-4. Roadmap Control after Trip
The trip counter will be cleared if no trip occurs within 10 minutes after operation starts.
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3. Compressor Control
W-2WAY ECO-i SYSTEM
Control Functions