Maximum Current Value Change Function

The maximum current value is changed to 14A (for CU-KE30NKU) or 17A (for CU-KE36NKU) to prevent power breaker tripping. (It is set to 24A (in cooling) or 22A (in heating) when the unit is delivered from the factory.)

NOTE 1. When the high load is given (Outside temperature is high in the cooling operation, or outdoor temperature is low in the heating operation), the capacity is reduced.

When the maximum current value change function is to be enabled, make sure to receive the approval of the client.

2.The maximum capacity for cooling or heating operation is about as much as the rated capacity.

<CU-KE30NKU >

Description of function

 

 

Example of operation for heating

 

Current

 

Power Point C

 

Point A

 

 

Point B

 

Target

 

frequency

 

Frequency

Frequency

 

 

Stops operation

 

 

Approx.3 minutes

 

Operates at the target frequency at Point A and below.

Stops increases to the frequency between Points A and B.

Reduces the frequency by 1 Hz per 0.5 seconds when Point B is exceeded.

Stops operation, and restarts it appoximately 5 minutes later, if Point C is exceeded.

(May operate when sudden voltage fluctuations occur. Indicates trouble.)

 

In cooling

In heating

 

operation

operation

 

 

 

Current Value on

(25.0)

(25.0)

the Point C

 

 

 

 

 

Current Value

22.0

22.0

on the Point B

 

 

 

 

 

Current Value

21.6

21.6

on the Point A

 

 

 

 

 

< CU-KE36NKU >

 

In cooling

In heating

 

operation

operation

 

 

 

Current Value on

(25.0)

(25.0)

the Point C

 

 

 

 

 

Current Value

24.0

23.5

on the Point B

 

 

 

 

 

Current Value

23.6

23.1

on the Point A

 

 

 

 

 

<Maximum Current Value Change Procedure>

(1)Remove the inspection panel.

Refer to Fig. 2 in " Noise Reducing Control" for details.

(2)When the switch No.2 of the dip switch (SW01) on the control P.C.Board is turned ON, the maximum current value change. (Fig. 4)

Power lamp

Dip Switch (SW01)

Max. Current Value

Switch No.2

CU-KE30NKU

CU-KE36NKU

 

 

 

 

 

 

ON

14.0A

17.0A

 

 

 

OFF

22.0A

24.0A

 

 

 

ON

1 2

Dip switch (SW01)

SW01

Fig.4 Control P.C.Board

38

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Panasonic CS-KE36NKU, CU-KE30NKU, CS-KE30NKU Maximum Current Value Change Function, Description of function, CU-KE36NKU

CS-KE30NKU, CS-KE36NKU, CU-KE30NKU, CU-KE36NKU specifications

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