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2. Compressor 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
is not based on a calculated increase/decrease in compressor capacity.
Compressor
Stop
Hz Down
Hz Not_up
Follows normal operation
2-4. Roadmap Control After Trip
When restarting after 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.
1
(2)
If trip counter = 2, the horsepower increases at a speed that is 1/3 of ordinary roadmap control.
The trip counter is cleared if no trip occurs within 10 minutes after operation starts.
2
3
4
5
6
Primary current
Control
4 / 5 HP
More than 25.0 A
23.5 A – Less than 25.0 A
28.0 A – Less than 29.5 A
22.5 A – Less than 23.5 A
27.0 A – Less than 28.0 A
Less than 22.5 A
1 - 6
Secondary current
6 HP
Secondary current
More than 29.5 A
25.0 A – Less than 32.5 A
24.0 A – Less than 25.0 A
Less than 27.0 A
Mini ECO-i SYSTEM
Control Functions
Control
More than 32.5 A
Less than 24.0 A
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