IndexPart 1 Installation regulation------------------------------------------3Part 2 Commissioning & Maintenance for R22 system---- 22Part 3 Debugging & Maintenance for R410A system--------85Part 4 Wiring diagram------------------------------------------------136Part 1 Installation regulation1. Installation flowchart-------------------------------------------------------42. Equipment delivery---------------------------------------------------------53. Outdoor installation--------------------------------------------------------64. Indoor installation----------------------------------------------------------85. Piping work------------------------------------------------------------------126. Water drainage pipe installation--------------------------------------147. Insulation treatment------------------------------------------------------158. Electric wiring--------------------------------------------------------------169. Pipe cleaning work--------------------------------------------------------1810. Leakage test---------------------------------------------------------------1911. Evacuation-----------------------------------------------------------------2012. Additional Refrigerant Charging------------------------------------2113. Trial operation-------------------------------------------------------------2214. Transfer to user-----------------------------------------------------------23- 3 -