Protection Control By Overall Current - Daikin SkyAir Service Manual

SiBE28-804
4.9

Protection Control by Overall Current

Monitors the overall current and restricts the upper limit compressor operating frequency to
prevent circuit breakers from exceeding the rated capacity.
Upper limit current (A)
Takes the following values depending on the outside temperature.
Also varies depending on model.
Functional Description
Outdoor unit current
>upper limit current value
Upper limit compressor operating frequency
–1 step/E sec.
Overall current
(A)
Current A
Current B
Current C
Current D
RZQ71C7,
RZQS71
A 16.5 A
B 16.5 A
C 13.4 A
D 10.0 A
E 10 (sec.)
Normal operation
Outdoor unit current ≤ upper
limit current value
Outdoor unit current>upper
limit current value
25 28
Outdoor air temp. (˚C)
RZQS100C7V1B
18.0 A
18.0 A
19.0 A
13.3 A
10 (sec.)
Frequency Regulating Functions
Outdoor unit current ≤ upper limit
current value
&
Upper limit compressor operating
frequency = Maximum frequency
Upper limit compressor operating frequency
+1 step/2 min
43 50
Ta
RZQ100~140C7,
RZQS125·140C7V1B
24.0 A
24.0 A
23.0 A
16.0 A
10 (sec.)
73