Midea MDV-900W/DRN1-i(C) Manuals

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Midea MDV-900W/DRN1-i(C) Manual

Midea MDV-900W/DRN1-i(C) Manual (115 pages)

R410A DC Inverter

Brand: Midea | Category: Air Conditioner | Size: 8.69 MB

Table of Contents

General Information
1
Outdoor Units Basic Information
2
External Appearance
2
Product Lineup
2
Nomenclature
3
Features
4
Indoor Units Lineup
9
- Floor-Standing/Ceiling & Floor/Console
  10
- Wall Mounted/Fresh Air Processing Unit
  10
- Table of Contents
  11
- Specifications & Performances
  11
- Specifications
  12
- Dimensions
  14
- Installation and Maintenance Surface
  15
- Service Space
  15
- Top View of the Outdoor Unit
  15
- Piping Diagrams
  17
  - Four-Way Valve
    18
  - Gas-Liquid Separator
    18
  - Key Components
    18
  - Oil Separator
    18
- Wiring Diagrams and Field Wiring
  19
- Electric Wiring of Outdoor/Indoor Units
  20
- Field Wiring
  20
  - Indoor Unit Power Supply
    20
  - Outdoor Unit Power Supply
    20
  - Power(380-415V, 50Hz)
    21
- Electric Characteristics
  22
- Capacity Tables
  23
  - Cooling Capacity
    23
  - MDV-730W/DRN1-I(C)
    24
  - Octave Band Center Frequency （ Hz ）
    55
- Sound Levels
  55
- Sound Pressure Spectrum
  55
- Accessories
  56
  - Branch Joint of Outdoor & Indoor Unit
    56
  - Optional Accessories
    56
  - Standard Accessories
    56
  - Selection Procedure
    57
  - Design of the Control System
    58
  - Introduction
    58
  - Model Selection Procedure
    58
  - Selection of an Air Conditioning System
    58
  - Actual Performance Date
    59
  - Capacity Modification in Accordance with Length of Refrigerant Pipe
    59
  - Indoor Unit Capacity Index
    59
  - Indoor Unit Combination Total Capacity Index Table
    59
  - Heating Capacity Modification
    60
  - Refrigerant Pipe Equivalent Length
    60
  - Cooling Load
    61
  - Given Condition
    61
  - Indoor Unit Selection
    61
  - Unit Selection (Based on Cooling Load)
    61
  - Conclusion
    62
  - Installation
    63
- Foundation for Installation
  64
- Select Installation Position
  64
- Installation Space
  65
- Lifting Method
  67
- Air Ventilation Assembly Installation
  68
- Installation in a Snowfall Area
  68
- Set the Snow-Proof Facility
  68
- Curve Diagram of Static Pressure & Air Flow Volume
  69
- Refrigerant Piping Installation
  70
  - Valve Instructions
    70
  - Piping Length
    71
  - Refrigerant Piping Length Permitted Value
    71
  - Indoor Unit Branch Pipe Selection
    72
  - Indoor Unit Main Pipe Selection
    72
  - Pipe Name
    72
  - Refrigerant Piping Selection
    72
  - Example
    73
  - Main Pipe Selection
    73
- Airtight Test
  75
- Branch Pipe Installation
  75
- Remove Dirt or Water in the Piping
  75
- Vacuum with Vacuum Pump
  75
- Additional Refrigerant Charge
  76
- Auto Judging System Refrigerant Volume
  76
- Connect with Vacuum Pump
  76
- Electric Wiring Installation
  77
- Running Test
  80
- Outdoor Electric Control Box Assembly Instructions
  83
- Main Board Ports Instructions
  85
- Constraint Cooling
  87
- Main Board Parts Instructions
  87
  - Sw1
    87
  - SW2 Query Instructions
    87
  - S1 Definition
    89
  - S2 Definition
    89
  - System Setting Dial Switches Instructions
    89
  - S4 Definition
    90
  - S5 Definition
    90
  - S6 Definition
    90
  - ENC1 Definition
    91
  - ENC3 &S12 Definition
    91
  - S10 Definition
    91
  - S8 Definition
    91
- Error/Protection Code Table
  92
  - Function Setting Dial Switches Instructions
    92
  - E0: Communication Error between Outdoor Units
    94
- Troubleshooting
  94
- E1: Phase Sequence Error
  95
- E2: Indoor Units and Master Unit Communication Error
  96
- Pressing the Manual Button Continued for 5 Seconds
  97
- Pressing the Manual Button Continued for 10 Seconds
  97
- If the Signal Is Weak
  98
- Pipe Temperature T3/Ambient Temperature Sensor (T4) Error
  99
- How to Check Whether the Compressor Is Short Circuit
  99
- How to Check Whether the Fan Motor Is Short Circuit
  99
- How to Check Whether the Inverter Module Is Output Error
  99
- H0/H1
  100
- H6
  101
- How to Check Whether the Transformer of IDU Is Disabled
  101
- H7: Quantity of Indoor Units Decrease Error
  101
- H8: High Pressure Sensor Error
  102
- P0/P4/H6: High Temperature Protection
  103
- P1: High Pressure Protection
  104
- P2/H5: Low Pressure Protection
  105
- P3/XP7/P8: Compressor Current Protection
  106
- P5: Condenser Temperature T3 Protection
  107
- P6/H4: Inverter Module Protection
  108
- DC Generatrix Check
  109
- Module Check
  109
- L0/L8/L9 Troubleshooting
  110
- Check the Compressor
  110
- L1/L4 Troubleshooting
  111
- L2 Troubleshooting
  111
- Resistance Value of Ambient Temperature and Pipe Temperature Sensor
  112
- Commissioning and Operating Parameters of Refrigerant System
  114
- Outdoor Unit Cooling Parameters Table
  114
- Outdoor Unit Heating Parameters Table
  114

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