Daikin LRLEQ15AY1(E) manuals

Daikin LRLEQ15AY1(E) Service Manual (156 pages)

Brand: Daikin | Category: Split-system air conditioners | Size: 2.58 MB |

English

Table of contents

Air Cooled Refrigeration

1

Condensing Unit

1

Safety Precautions

3

SiENBE28-901 Introduction

4

Introduction SiENBE28-901

5

Nomenclature

7

2. Standard Specification

8

4D064913

15

4D064914

15

2.4 Wiring Diagram

16

LRLEQ8A, 10A, 12AY1(E)

17

LRMEQ8A, 10A, 12AY1(E)

17

LRLEQ15A, 20AY1(E)

18

LRMEQ15A, 20AY1(E)

18

2.5 Piping Diagram

19

LRMEQ5, 6AY1

22

LRLEQ5, 6AY1

22

LRMEQ8, 10, 12AY1

25

LRLEQ8, 10, 12AY1

25

LRMEQ15, 20AY1

28

LRLEQ15, 20AY1

28

3. Field Settings

31

the position of switches)

33

H2P lights for abnormality

36

: ON h: OFF l: BLINK

36

4.1 Operating Mode

41

1) Operation Mode 1

42

2) Operation Mode 2

44

3) Operation Mode 3

45

4) Operation Mode 4

45

4.2 Outline of Functions

48

(3) Compressor control

51

(3)-1. Compressor steps table

52

5. Test Operation

58

Test Operation SiENBE28-901

59

SiENBE28-901 Test Operation

60

Service port

61

Valve cover

61

Hexagon hole

61

Sealing part

61

5.1.5 Precautions for Piping

63

5.2 Field Wiring

64

Mount insulation sleeves

65

Fix the wiring with the

65

Max. wiring length 130m

66

Position of instruction label

67

5.3.2 Thermal Insulation Work

68

Control box

71

Label of instructions on

71

Label pasting position

71

5.6 Test Run

72

6. Troubleshooting

74

6.2 List of Malfunction Codes

77

[Sensor]

82

[Actuator]

82

[Amp/Fin]

83

[Irregular stop]

83

ΔTsp+ΔTsn=f(Lpm1)+f(ΔTm)+ΔTsn

83

[Abnormal_code]

84

” Earth Leakage

87

SiENBE28-901 Troubleshooting

100

Troubleshooting

101

” Three-sensor Malfunction

102

Troubleshooting SiENBE28-901

103

6.6.10 “

104

6.6.11 “

105

6.6.12 “

107

6.6.13 “

108

” Current Sensor Malfunction

108

J3,J5,J8,J9

109

6.6.15 “

111

6.6.16 “

113

6.6.17 “

115

” Faulty Inverter PCB

115

6.6.18 “

116

6.6.19 “

117

6.6.20 “

119

” INV Compressor Overload

119

L8" recurs

120

6.6.21 “

121

6.6.22 “

123

LC"

124

6.6.23 “

125

6.6.24 “

126

6.6.25 “

127

” Reverse Phase / Open Phase

127

6.6.26 “

128

 Outdoor unit

139

6.7 Maintenance

142

(Supplementary Information)

150

3P251593-1A

151

[Case example]

152

Installation of alarm

154

7.4 Option List

155

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