Panasonic CU-4KS31NBU service manual Table of Contents, Applicable Indoor Units, Specifications

Models: CU-4KS31NBU

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Table of Contents

 

 

 

 

Table of Contents

Page

 

 

 

 

 

 

 

 

SAFETY PRECAUTIONS

2

TABLE OF CONTENTS

4

 

 

 

APPLICABLE INDOOR UNITS

6

 

 

 

 

 

 

1.

OPERATING RANGE

7

2.

SPECIFICATIONS

 

 

 

 

2-1.

Unit Specifications

8

 

 

 

2-2.

Major Component Specifications

17

 

 

 

2-3.

Other Component Specifications

20

3.

DIMENSIONAL DATA

21

4.

REFRIGERANT FLOW DIAGRAM

 

 

 

 

4-1.

Refrigerant Flow Diagram

24

5.

PERFORMANCE DATA

 

 

 

 

5-1.

Temperature Charts

27

 

 

 

5-2.

Cooling Capacity

50

 

 

 

5-3. Cooling Capacity (Low Ambient)

56

6.

ELECTRICAL DATA

62

 

 

 

6-1.

Electric Wiring Diagrams

 

7.

FUNCTIONS

65

 

 

 

7-1.

Explanation of Functions

69

 

 

 

7-2.

Protective Functions

 

8.

TROUBLESHOOTING (BEFORE CALLING FOR SERVICE)

71

 

 

 

8-1. Precautions before Performing Inspection or .......................................................................Repair

72

 

 

 

8-2. Trouble Diagnosis by Error Monitop...........................................................................................Lamps

73

 

 

 

8-3. Checking the Outdoor System

74

 

 

 

8-4. Trouble Diagnosis of Each Part

78

 

 

 

8-5.

Trouble Diagnosis of Fan Motor

 

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Panasonic CU-4KS31NBU service manual Table of Contents, Applicable Indoor Units, Specifications, Refrigerant Flow Diagram