7-7. Current Limit Control *Heat pump model
only
The microcontroller detects the input current so as to
prevent it exceeds a specified value by means of
controlling the outdoor fan control as described in (1)
and (2).
(1) Current limit control (Cooling operation)
Control is performed as shown below by detecting
the compressor operating current with a current
sensor (C.T).
13NKH Series
Fig. 7-7-1
(2) Current limit control (Heating operation)
Control is performed as shown in Fig. 7-7-2
Fig. 7-7-2
Remark :
Input current
13.5A I4
12.5A I3
10A I2
9A I1
Compressor Outdoor fan
More than I4 continues for 3 seconds
OFF
More than I3 continues for 5 minutes
OFF
ON
ON OFF
Input current
13.5A I4
12.5A I3
Compressor Outdoor fan
More than I4 continues for 3 seconds
OFF
More than I3 continues for 5 minutes
OFF
ON
FILE NO. SVM-06001
13NKH Series
29
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-
This function is available only for heat pump model (Cooling models have not a current sensor (C.T.)).
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