User Manuals: Mitsubishi Electric MSH17TN Control

Manuals and User Guides for Mitsubishi Electric MSH17TN Control. We have 1 Mitsubishi Electric MSH17TN Control manual available for free PDF download: Service Manual

Mitsubishi Electric MSH17TN Service Manual

Mitsubishi Electric MSH17TN Service Manual (130 pages)

Wireless type

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 3.04 MB

Table of Contents

Table of Contents
1
Service Manual
1
Different Points
2
Features
2
Msh12Tn Msh12Tn
2
Muh15Tn
2
- Auto-Restart Function
  3
- High Performance Rotary Compressor
  3
- Extra Energy Savings
  4
- High-Speed Heating and Cooling
  4
- Inverter Technology
  4
- Optimum Comfort Year-Round
  4
- Technical Changes
  5
  - Accessories
    7
  - Indoor Unit
    7
- Part Names and Functions
  7
  - Outdoor Unit
    8
  - Remote Controller
    9
  - Indoor Units Combination
    10
  - Operating Range
    11
  - Specifications
    11
  - Max. Height Difference
    14
  - Max. Refrigerant Piping Length
    14
  - Max. Refrigerant Piping Length & Pipe Size Selection
    16
  - Performance Data
    17
  - Cooling Capacity Corrections
    18
  - Heating Capacity
    18
  - Performance Curve
    19
  - Condensing Pressure
    23
  - Power Supply
    27
  - Standard Operation Data
    27
  - Operating Range
    31
  - Additional Refrigerant Charge
    32
  - Outlet Air Speed and Coverage Range
    32
  - Air Flow
    33
  - Capacity and the Input Curves
    33
  - How to Measure the Indoor Air Wet-Bulb/Dry-Bulb Temperature Difference
    33
  - Main Readings
    33
  - Capacity and Input Correction by Means of Inverter Output Frequency
    34
  - Outdoor Low Pressure and Outdoor Unit Current
    35
  - 12-Class Unit in Single Operation
    36
  - 15-Class Unit in Single Operation
    37
  - 17-Class Unit in Single Operation
    38
- Outlines and Dimensions
  39
- Outdoor Unit
  40
- Wiring Diagram
  43
- Refrigerant System Diagram
  51
Indoor Unit Display Section
54
Microprocessor Control
54
- Wireless Remote Controller
  54
- “I Feel Control” Operation
  55
- Coil Frost Prevention
  56
- COOL Mode of “I FEEL CONTROL”
  56
- Indoor Fan Speed Control
  56
- TEMPERATURE Buttons
  56
- DRY Mode of “I FEEL CONTROL”
  57
- HEAT Mode of “I FEEL CONTROL”
  57
- Operation Time Chart
  57
- Flow Soft Control
  58
- High Pressure Protection
  58
- Warm Air Control
  58
- Defrosting
  59
- Cool Operation
  60
- Dry Operation
  60
- Outdoor Temperature Control
  60
- R.V. Coil Control
  60
- Auto Vane Operation
  61
- Fan Motor Control
  61
- Fan Motor Lock-Up Protection
  61
- Rotational Frequency Feedback Control
  61
- Cold Air Prevention in HEAT Operation
  62
- Program Timer
  62
- Swing Mode
  62
- Timer Operation
  62
- Emergency-Test Operation
  63
- Inverter Multi System Control
  64
- At Normal Operation
  65
- At the Start of Operation
  65
- Inverter Main Power Supply Circuit
  65
- Outline of Main Power Supply Circuit
  65
- Elimination of Electrical Noise
  66
- Function of Main Parts
  66
- Ipm
  66
- Optimal Voltage Control
  66
- Determination of LEV Standard Opening in each Indoor Unit
  67
- LEV Control
  67
- Simultaneous Correction of LEV Openings by Suction Super Heat
  68
- LEV Opening Correction by Discharge Temperature
  69
- Separate Correction
  69
- Conditions to Enter Defrosting Mode
  70
- Heat Defrosting Control
  70
- High Pressure Protection Control on Heat Mode
  70
- Operational Frequency Range
  70
- Compressor Operation Frequency
  71
- Discharge Temperature Protection Control
  71
- Outdoor Fan Control
  71
- Refrigerant Recovery Control on Heating
  71
- Change in Defrost Setting
  72
- Compulsory Defrosting Mode for Service
  72
- Relation between Main Sensor and Actuator
  72
Service Functions
72
Troubleshooting
75
- Instruction of Troubleshooting
  76
- Troubleshooting Check Table
  78
- Trouble Criterion of Main Parts
  80
- Check of Indoor Fan Motor
  83
- Indoor Fan Does Not Operate
  83
- Check of Remote Controller and Receiver P.C. Board
  84
- Check of Indoor Electronic Control P.C. Board
  85
- Check of Outdoor Unit
  86
- How to Check Mis-Wiring and Serial Signal Error
  87
- Check of Outdoor Thermistor
  88
- Check of Power Supply
  89
- Check of Serial Signal
  89
- Check of R. V. Coil
  90
- Check of Inverter/Compressor
  91
- Check of LEV
  91
- Check of Fan Motor
  92
- Check of Thermistor
  92
- Check of HPS
  93
- The Other Cases
  93
- Test Point Diagram and Voltage
  94
- Outdoor Deicer P.C. Board
  96
- Electronic Control P.C. Board
  97
- Noise Filter P.C. Board
  98
- I.P.M P.C. Board
  99
- Relay P.C. Board
  99
- Compressor Contactor
  100
- Relay Operation
  100
- Solid State Relay
  100
Disassembly Instructions
101
- Removing the Electrical Box
  102
- Removing the Vane Motor
  102
- Removing the Line Flow Fan and the Indoor Fan Motor
  103
- Removing the Electronic Control P.C. Board
  104
- Removing the Front Panel
  104
- Removing the Indoor Fan Motor and the Line Flow Fan
  105
- Removing the Cabinet
  106
- Removing the Deicer P.C. Board
  106
- Removing the Compressor
  107
- Removing the Propeller Fan and the Outdoor Fan Motor
  107
- Removing the Heat Exchanger and Compressor
  111
- Removing the 4-Way Valve
  113
- Removing the Linear Expansion Valve
  113
- Removing the Reactor
  113
- Indoor Unit Structural Parts
  114
Parts List
114
Optional Parts
126
Refrigerant Pipes
126

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