Mitsubishi MXZ-2A52VA manuals

Owner’s manuals and user’s guides for Split-system air conditioners Mitsubishi MXZ-2A52VA.
We providing 4 pdf manuals Mitsubishi MXZ-2A52VA for download free by document types: Installation Manual, Service Manual, User Manual


Table of contents

SERVICE MANUAL

1

TECHNICAL CHANGES

2

Description

6

3. Refrigeration oil

7

4. Air purge

7

5. Additional charge

7

2. Refrigerant piping

7

PART NAMES AND FUNCTIONS

8

Indoor units

10

Indoor units combination

11

INDOOR UNITS COMBINATION4

14

MXZ-2A40VA

15

MXZ-2A52VA

16

MXZ-3A54VA

17

MXZ-4A71VA

21

MXZ-5A100VA

39

SPECIFICATION

61

Compressor

62

NOISE CRITERIA CURVES

66

OUTDOOR UNIT

67

MICROPHONE

67

OUTLINES AND DIMENSIONS

68

REQUIRED SPACE

69

1.Installation space

70

2.Service space

70

MXZ-4A71VA

72

WIRING DIAGRAM

75

MXZ-3A54VA

76

REFRIGERANT SYSTEM DIAGRAM

87

R.V. coil

88

OFF

88

ON

88

Refrigerant flow in cooling

88

Refrigerant flow in heating

88

OFF

90

ON

90

R.V. coil

91

MXZ-4A80VA

94

MAX REFRIGERANT PIPING LENGTH

94

PERFORMANCE CURVES

97

, MXZ-2A52VA)

101

(MPa[Gauge])

109

ACTUATOR CONTROL

115

SERVICE FUNCTIONS

116

12-4. AUTO LINE CORRECTING

117

<MXZ-2A>

117

<MXZ-4A80VA

118

, MXZ-5A100VA>

118

TROUBLESHOOTING

120

Lighting

126

MXZ-3A/4A/5A

127

(MXZ-3A54VA, MXZ-4A71VA)/

128

MXZ-3A54VA

129

MXZ-4A71VA

129

MXZ-3A54/4A71/4A80/5A100

130

MXZ-2A30/2A40/2A52

130

LED3 LED2

131

LED1 LED2

131

Check of R.V. coil

132

Check of LEV

133

EMERGENCY OPERATION

134

E4 E5E5 E6 E7 E6 E7E4 E2

135

Check of outdoor fan motor

136

Check of HPS

137

The other cases

137

Check of bus-bar voltage

137

1. Inverter P.C. board

138

Resistance (kΩ)

139

Temperature (°C)

139

MXZ-4A80VA

140

MXZ-5A100VA

140

MXZ-5A100VA

142

5. Outdoor Power board

143

6. Display P.C. board

144

7. Interface P.C. board

144

DISASSEMBLY INSTRUCTIONS

145

OPERATING PROCEDURE

146

1. Removing the compressor

148

OPERATING PROCEDURE PHOTOS

150

14-4. MXZ-4A80VA

154

14-5. MXZ-4A80VA

157

MXZ-2A40VA

160

MXZ-2A52VA

160

15-3. DRAIN SOCKET

163

Indoor unit connecting

167

15-9. ACCESSORY

170

3.0 1.4 600

173

3.0 2.0 200

173

Outdoor unit 42 drain hole

175

Soft vinyl chloride hose of

175

25 mm inside diameter

175

16-12. ACCESSORY

186

MXZ-5A100VA

188

16-15. ACCESSORY

190

OPTIONAL PARTS

192





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