Midea MDV-450(16)W/D2DN1(B) Manuals

Manuals and User Guides for Midea MDV-450(16)W/D2DN1(B). We have 1 Midea MDV-450(16)W/D2DN1(B) manual available for free PDF download: Service Manual

Midea MDV-450(16)W/D2DN1(B) Service Manual

Midea MDV-450(16)W/D2DN1(B) Service Manual (165 pages)

Commercial

Brand: Midea | Category: Air Conditioner | Size: 11.7 MB

Table of Contents

Table of Contents
2
Part 1 General Information
3
Features

4
- Flexible Piping Design
  5
- Outdoor Unit Lineup
  9
- Combination Table
  10
Indoor Units Lineup

11
Nomenclature

12
- Part 2 Selection Procedure
  13
- Part 3 Specifications & Performances
  19
  - Outdoor Unit Specifications
    20
  - Independent Unit Specifications
    22
  - Combination Unit Specifications
    24
  - Dimensions
    33
  - Service Space
    35
  - Piping Diagrams
    37
  - Wiring Diagram and Field Wiring
    39
    
    Example Wiring Connection
    41
    
    Signal Wire between Outdoor Unit and Indoor Unit
    41
  - Electric Characteristics
    42
    
    Cooling Capacity Tables
    43
    
    Heating Capacity Tables
    61
  - Operation Limits
    79
  - Sound Levels
    80
  - Accessories
    81
- Part 4 Installation
  82
  - Hoisting Outdoor Unit
    83
  - Installation of Indoor Unit
    83
  - Installation of Outdoor Unit
    83
  - Foundation for Installation
    84
  - Select Installation Position
    84
  - Installation Space
    85
  - Master and Slave Unit Setting
    85
  - Snow-Proofing
    87
  - Air Ventilation Assembly Installation
    88
    
    Outdoor Fan Performance
    91
    
    Refrigerant Piping Length Permitted Value
    92
  - Refrigerant Piping Selection
    92
    
    Indoor Branch Joint Dimension
    96
    
    Outdoor Branch Joint Dimension
    98
    
    Fixing Horizontal Pipe
    99
  - Refrigerant Pipe Installation
    99
    
    Support for Refrigerant Pipe
    99
    
    Three Principles for Refrigerant Piping
    99
    
    Requirements for Installing Branch Pipe Subassembly
    100
    
    Correct to Seal the Opening
    101
    
    Processing of Copper Pipe
    101
    
    Rectify Opening of Copper Pipe
    101
    
    Storage and Maintenance of Copper Pipe
    101
    
    Bell-Mouthed Opening
    102
    
    Pipe Bending
    103
    
    Brazing
    104
    
    Cautions for Welding Pipe Fittings
    104
    
    Nitrogen Filling to Protect Copper Pipe During Brazing
    104
    
    Selecting Refrigerant Pipe
    104
    
    Standard Brazing Operation
    105
    
    Flushing Copper Pipe
    106
    
    Pipe Cleaning
    106
    
    Branch Pipe Installation
    107
    
    Piping Connection between Outdoor Units
    107
  - Drainage Pipe Engineering
    108
    
    Concentrated Drainage Pipe
    110
    
    Water Storing Elbow of Drainage Pipe
    110
    
    Lifting of Drainage Pipe (for the Unit with Lift Pump)
    111
  - Duct Engineering
    112
    
    Duct Selection
    112
    
    Overflow Water Test and Water Pass Test
    112
    
    Duct Connection
    113
    
    Specification to Flange and Bolt of Circular Metal Duct
    113
  - Heat Insulation Engineering
    114
    
    Insulation of Refrigerant Piping
    114
    
    Selection of Insulation Materials for Refrigerant Piping
    114
    
    Thickness of Insulation Layer
    114
    
    Duct Insulation
    115
    
    Insulation of Condensation Pipe
    115
  - Caution for Brazing
    116
  - Gas Tightness Test
    116
  - Remove Dirt or Water in the Piping
    116
  - Pressure Observation
    117
  - Vacuum Drying
    118
  - Additional Refrigerant Charge
    119
    
    Steps for Recharging Refrigerant
    119
    
    Calculating the Refrigerant Recharge Volume
    120
    
    Electrical Wiring Installation
    120
    
    Wiring Terminal Instruction
    120
    
    Outdoor Unit Power Supply Wiring
    121
    
    Control System Installation
    122
    
    Indoor Unit Power Supply Wiring
    122
    
    Signal Wire of Centralized Control
    123
  - Running Test
    124
  - Inspection and Confirmation before Commissioning
    124
  - Preparation before Debugging
    124
  - Commissioning of Trial Run
    124
  - Inspection List of Trial Run
    125
  - Commissioning for the Trial Run of Multiple Outdoor Units
    125
  - Refrigerant Leakage Caution
    125
  - System Check (SW2)
    129
- Part 5 Troubleshooting
  130

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