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R410A DC Inverter Multi-split Technical Manual
Content
II
GD Chigo Heating & Ventilation Equipment Co., Ltd.
Part 4.
Installation .................................................... 55
1. Installation and Operation Instructions ........................................................... 55
2. Precaution on Installation ............................................................................... 57
3. Vacuum Dry and Leakage Checking .............................................................. 59
4. Refrigerant charge .......................................................................................... 61
5. Water Drainage ............................................................................................... 62
6. Insulation Work ............................................................................................... 63
7. Test Operation ................................................................................................ 65
Part 5.
Control System ............................................ 66
1. Control function ............................................................................................... 66
2. Controller ........................................................................................................ 70