Daikin RZQ100B8V3B Service Manual page 136

Outdoor Unit Functional Concept
3.3.7 Inverter Current Protection Control
1
Outline
2
Flow chart
3
Parameters
4
5
2–52
The compressor operating frequency will be restricted in order to prevent an over-current to the
compressor.
Inverter current
> step down current
Compressor frequency
–1 step/6 sec
Outdoor unit heat exchanger temperature ≥ Indoor unit heat exchanger temperature
&
Outdoor unit heat exchanger temperature ≥ 25°C
QA
Outdoor unit heat exchanger temperature < Indoor unit heat exchanger temperature
OR
Outdoor unit heat exchanger temperature < 25°C
RZQ71B8V3B
P(A) 11.7 A
Q(A) 12.9 A
Normal operation
Compressor frequency
+1 step/2 min
The condition of Inverter current < step down
current continues for 2 minutes
RZQ100~125B8V3B
19.0 A
19.0 A
ESIE05-03
Inverter upper limit frequency
= Maximum frequency
PA
RZQ100~140B7W1B
11.0 A
13.0 A
Part 2 – Functional Description