AUX-DC inverter ARV outdoor unit individual series technical manual
89
Part3 Installation
1. Preparation on installation ................................................................ 90
1.1 Installation procedure ....................................................................................................................90
1.2 Preparation and Tools before Installation .........................................................................................90
2. Installation of Outdoor Unit ............................................................... 92
2.1 Installation Location and Foundation ................................................................................................92
2.2 Maintenance and Ventilation Space for outdoor unit ........................................................................92
2.3 Installation of outdoor unit .................................................................................................................94
3. Installation of refrigerant pipe ........................................................... 96
3.1 Installation notice ..............................................................................................................................96
3.2 Connection Ratio of Capacity ...........................................................................................................96
3.3 Connection schematic diagram of pipe ............................................................................................97
3.5 Type and physical dimension of branch pipe................................................................................. 101
3.6 Connection and Welding of pipe .................................................................................................... 104
3.7 Gas Tightness Test ........................................................................................................................ 104
3.8 Vacuum Drying ............................................................................................................................... 105
4. Additional refrigerant........................................................................ 108
4.1 Operation procedure ...................................................................................................................... 108
4.2 Steps for recharging refrigerant ..................................................................................................... 108
4.3 Recharging R410A refrigerant ....................................................................................................... 108
5. Insulation ........................................................................................... 109
6. Electrical connection ......................................................................... 111
6.1 Caution and notice .......................................................................................................................... 111
6.2 Wiring Diagram of Indoor Unit and Outdoor Unit ............................................................................ 112
6.3 Communication Line Connection .................................................................................................... 113
6.4 ............................................................................................................................................................... W
iring ................................................................................................................................................. 114