Mitsubishi Electric Mr.Slim MSZ12UN Manuals

Manuals and User Guides for Mitsubishi Electric Mr.Slim MSZ12UN. We have 1 Mitsubishi Electric Mr.Slim MSZ12UN manual available for free PDF download: Service Manual

Mitsubishi Electric Mr.Slim MSZ12UN Service Manual

Mitsubishi Electric Mr.Slim MSZ12UN Service Manual (78 pages)

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS, wireless type

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 2.28 MB

Table of Contents

Table of Contents
1
Service Manual
1
Features
2
Part Names and Functions
4
- Accessories
  5
- Remote Controller
  5
- Specifications
  6
- Max. Height Difference
  7
- Max. Refrigerant Piping Length
  7
- Test Condition
  7
- Cooling Capacity Corrections
  8
- How to Operate with Fixed Operational Frequency of the Compressor
  8
- Performance Data
  8
- Performance Curve
  9
- Condensing Pressure
  11
- Power Supply
  13
- Standard Operation Data
  13
- Additional Refrigerant Charge R22 (Oz.)
  14
- Operating Range
  14
- Outlet Air Speed and Coverage Range
  14
- Air Flow
  15
- Guaranteed Voltage
  15
- How to Measure the Indoor Air Wet-Bulb/Dry-Bulb Temperature Difference
  15
- Main Readings
  15
- Cooling Capacity
  16
- Heating Capacity
  17
Outlines and Dimensions
18
- Msz09Un
  20
- Msz12Un
  20
Wiring Diagram
20
Muz09Un, Muz12Un
21
Refrigerant System Diagram
22
Indoor Unit Display Section
23
Microprocessor Control
23
- Wireless Remote Controller
  23
- “I Feel Control” Operation
  24
- Coil Frost Prevention
  25
- Cool Mode of “I Feel Control”
  25
- Indoor Fan Speed Control
  25
- Temperature Control
  25
- Dry Mode of “I Feel Control”
  26
- The Operation of the Compressor and Indoor/ Outdoor Fan
  26
- Heat Mode of “I Feel Control”
  27
- Operation Time Chart
  27
- Defrosting
  28
- Flow Soft Control
  28
- High Pressure Protection
  28
- Warm Air Control
  28
- R.V. Coil Control
  29
- Time Chart of Defrosting in Heat Mode (Reverse Type)
  29
- Cool Operation
  30
- Dry Operation
  30
- Heat Operation
  30
- Outdoor Fan Motor Control
  30
- Auto Vane Operation
  31
- Fan Motor Control (MSZ09UN)
  31
- Program Timer
  32
- Timer Operation
  32
- Emergency-Test Operation
  33
- Outline Drawing of Main Power Supply
  33
- At Normal Operation
  34
- Elimination of Electrical Noise
  34
- Ipm
  34
- Power Factor Improvement of Power Supply
  34
- Operational Frequency Control of Outdoor Unit
  35
- Outline
  35
- How to Determine the Optimal Voltage
  36
- Optimal Voltage Control
  36
- Expansion Valve Control (LEV Control)
  37
- Outline of LEV Control
  37
- Control Data
  38
- Time Chart
  38
- Change in Defrost Setting
  39
- P.C. Board Modification for Individual Operation
  39
Service Functions
39
Disassembly Instructions
61
Parts List
68
Optional Parts
74
Refrigerant Pipes
74

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