Mitsubishi Electric MXZ-4A71V Manuals

Manuals and User Guides for Mitsubishi Electric MXZ-4A71V. We have 1 Mitsubishi Electric MXZ-4A71V manual available for free PDF download: Service Manual

Mitsubishi Electric MXZ-4A71V Service Manual

Mitsubishi Electric MXZ-4A71V Service Manual (99 pages)

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS OUTDOOR UNIT

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 3.95 MB

Table of Contents

Table of Contents
1
Outdoor Unit
1
Service Manual
1
Revision : a
2
Technical Changes
2
Part Names and Functions
7
Indoor/ Outdoor Correspondence Table
8
Indoor Units Combination
10
Specification
24
Noise Criteria Curves
27
Outlines and Dimensions
28
- Required Space
  28
- Installation Space
  30
Wiring Diagram
31
- Mxz-3A54Va
  32
- Mxz-4A71Va
  33
- Mxz-4A80Va
  34
Cooling
35
- Max Refrigerant Piping Length
  35
- Mxz-2A40Va Mxz-2A52Va
  35
Refrigerant System Diagram
35
Heating
36
Cooling
37
Heating
38
- Mxz-2A40Va Mxz-4A71Va
  39
- Mxz-2A52Va Mxz-4A80Va
  39
Performance Curves
39
Actuator Control
50
- Locking the Operation Mode of the Conditioner
  50
- Relation between Main Sensor and Actuator
  50
Service Functions
50
- AUTO LINE CORRECTING Function
  51
- Correct Line
  51
- Incorrect Wiring
  51
- Cautions on Troubleshooting
  53
- Failure Mode Recall Function
  53
- Lead Wiring
  53
Troubleshooting
53
- Outdoor Unit Failure Mode Table
  54
- Instruction of Troubleshooting
  57
- Operation Start
  57
- Troubleshooting Check Table
  58
- Compressor
  62
- Defrost Thermistor
  62
- R.V. Coil
  62
- Trouble Criterion of Main Parts
  62
- A a Check of Power Supply
  63
- Troubleshooting Flow
  63
- How to Check Mis-Wiring and Serial Signal Error
  64
- C C Check of R.V. Coil
  65
- D D Check of LEV
  66
- E E How to Check Inverter/ Compressor
  67
- F F Check of Outdoor Thermistors
  68
- G G Check of Outdoor Fan Motor
  69
- H H Check of HPS
  70
- I I the Other Cases
  70
- Back Side of Unit
  71
- Front Side of Unit
  71
- Inverter P.C. Board
  71
- Test Point Diagram and Voltage
  71
- Defrost Thermistor (RT61)
  72
- Discharge Temperature Thermistor (RT62)
  72
- Fin Temperature Thermistor (RT64)
  72
- Outdoor Electronic Control P.C. Board
  72
- Noise Filter P.C. Board
  73
- Power P.C. Board
  74
- Outdoor Power Board
  75
- Display P.C. Board
  76
- Interface P.C. Board
  76
Disassembly Instructions
77
Parts List
86
Optional Parts
98
Outlet Guide
98

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