Design, Installation & Testing Instruction R-410A Heat Pump 60Hz RXYQ96MTJU ; RXYQ192MTJU

This Installation Manual is for
Design, Installation & Testing Instruction R-410A Heat Pump 60Hz

MODELS: RXYQ96MTJU ; RXYQ192MTJU
 

CONTENTS:

    Part 1 General Information Page…1

  • 1. Product Outline Page…2
  • 1.1 Model Names of Indoor/Outdoor Units Page… 2
  • 1.2 External Appearance Page… 3
  • 1.3 Model Selection Page… 4
  • 2. Points to Bear in Mind at the System Design Page…5
  • 2.1 Points Relating to the Performance of
    the Air Conditioning Units Page… 5
  • 2.2 The Installation is of Vital Importance Page… 7
  • 2.3 Striking a Balance between System Installation and
    General Construction Work
    (Comprehensive Flow Chart) Page… 8
  • 2.4 Points to Bear in Mind when Preparing
    the Contract Drawings Page… 9
  • 3. Installation Page…12
  • 3.1 Step by Step Installation Procedure Page… 12
  • 3.2 Work Involved in Individual Operations and
    Points to be Borne in Mind Page… 13
  • 4. Test Operation Page…66
  • 4.1 Procedure and Outline Page… 66
  • 4.2 Operation When Power is Turned On Page… 69
  • 4.3 Outdoor Unit PC Board Layout Page… 70
  • 4.4 Field Setting Page… 71
  • 5. Caution for Refrigerant Leaks Page…105
  • 5.1 Caution for Refrigerant Leaks Page… 105
  • 6. Hand Over to Customer Page…107
  • 6.1 Operational Steps Page… 107
  • 7. Appendix Page…108
  • 7.1 Operating Noise of Indoor Units Page… 108
  • 7.2 Allowable Piping Length Page… 110
  • 7.3 Refrigerant Branch Kit Selection Page… 113
  • 7.4 Pipe Size Selection Page… 115
  • 7.5 How to Calculate the Additional
    Refrigerant to be Charged Page… 116
  • 7.6 REFNET Pipe Connections for
    VRVII R-410A Series Page… 118
  • 7.7 VRV Inspection Sheet Page … 121
  • 7.8 Piping System Diagrams Page… 125
  • 7.9 Wiring Diagrams Page… 127
  • 7.10 Bad Examples and Good Examples in
    Installation Page… 130
  • Part 2 Installation Manual Outdoor Unit Page…139

  • 1. Introduction Page…144
  • 1.1 Combination Page… 144
  • 1.2 Standard Operation Limit Page… 144
  • 1.3 Standard Supplied Accessories Page… 145
  • 1.4 Option Accessory Page… 145
  • 1.5 Technical Specifications Page… 146
  • 1.6 Electrical Specifications Page… 146
  • 2. Main Components Page…147
  • 3. Selection of Location Page…148
  • 4. Inspecting and Handling the Unit Page…150
  • 5. Unpacking and Placing the Unit Page…151
  • 6. Refrigerant Piping Page…152
  • 6.1 Selection of Piping Material Page…. 152
  • 6.2 Connecting the Refrigerant Piping Page… 152
  • 6.3 Example of Connection Page… 157
  • 6.4 Leak Test and Vacuum Drying Page.. 159
  • 6.5 Pipe Insulation Page… 161
  • 6.6 Additional Refrigerant Charge Page… 162
  • 7. Field Wiring Page…164
  • 7.1 Optional Parts Cool/Heat Selector Page… 164
  • 7.2 Power Circuit and Cable Requirements Page… 164
  • 7.3 General Page… 165
  • 7.4 Examples Page… 165
  • 8. Before Operation Page…171
  • 8.1 Checks before Initial Start-up Page… 171
  • 8.2 Test Run Page… 171
  • 9. Caution for Refrigerant Leaks Page…174
  • Part 3 Operation Manual Outdoor Unit Page…177

  • 1. Safety Considerations Page…179
  • 2. What to do before Operation Page…182
  • 3. Remote Controller and Changeover Switch: Name and
    Function of Each Switch and Display Page…183
  • 4. Operation Range Page…185
  • 5. Operation Procedure Page…186
  • 5.1 Cooling, Heating, and Fan Only Operation Page… 186
  • 5.2 Program Dry Operation Page… 188
  • 5.3 Adjusting the Air Flow Direction Page… 189
  • 5.4 Programming Start and Stop of the
    System with Timer Page… 191
  • 5.5 Setting the Master Remote Controller Page… 192
  • 5.6 Precautions for Group Control System or
    Two Remote Controller Control System Page… 193
  • 6. Optimum Operation Page…194
  • 7. Following Symptoms are not Air
    Conditioner Troubles Page…195
  • 7.1 The System does not Operate Page… 195
  • 7.2 Cool/Heat Cannot be Changed Over Page… 195
  • 7.3 Fan Operation is Possible, but Cooling and
    Heating do not Work Page… 195
  • 7.4 The Fan Strength does not Correspond to
    the Setting Page… 195
  • 7.5 The Fan Direction does not Correspond to
    the Setting Page… 195
  • 7.6 White Mist comes out of a Unit Page… 196
  • 7.7 Noise of Air Conditioners Page… 196
  • 7.8 Dust comes out of the Unit Page… 196
  • 7.9 The Units can Give off Odours Page… 196
  • 7.10 The Outdoor Unit Fan does not Spin Page… 196
  • 7.11 The Display Shows “88” Page… 197
  • 7.12 The Compressor in the Outdoor Unit does
    not Stop after a Short Heating Operation Page… 197
  • 7.13 The Inside of an Outdoor Unit is Warm Even
    When the Unit has Stopped Page… 197
  • 8. Trouble Shooting Page…198
  • Part 4 Precautions for New Refrigerant (R-410A) Page…201

  • 1. Precautions for New Refrigerant (R-410A) Page…202
  • 1.1 Outline Page… 202
  • 1.2 Service Tools Page… 203
  • Index Page… i
    Drawings & Flow Charts Page… iii