User Manual
Page 3
...service port's cap of charge hose (Iow) 3 Pipe Diameter(ǿ) Fastening torque Liquid side6.35mm(1/4") 18N.m Liquid/Gas side9.52mm(3/8") 42 N.m Gas side 12.7mm(1/2") 55N.m Spanner Torque wrench Gas side 15.88mm(5/8") 60 N.m Be careful that matters, such as possible not to crush the pipe , and the bending...adding additional refrigerant, perform air purging from the refrigerant pipes and indoor unit using a vacuum pump,then charge additional refrigerant. Indoor unit HSU-09RR103/R2(SDB) HSU-12RR103/R2(SDB) Power cable 3G1.5mm2 Connecting wiring : 4 G1.5mm2 Outdoor unit 1.
...service port's cap of charge hose (Iow) 3 Pipe Diameter(ǿ) Fastening torque Liquid side6.35mm(1/4") 18N.m Liquid/Gas side9.52mm(3/8") 42 N.m Gas side 12.7mm(1/2") 55N.m Spanner Torque wrench Gas side 15.88mm(5/8") 60 N.m Be careful that matters, such as possible not to crush the pipe , and the bending...adding additional refrigerant, perform air purging from the refrigerant pipes and indoor unit using a vacuum pump,then charge additional refrigerant. Indoor unit HSU-09RR103/R2(SDB) HSU-12RR103/R2(SDB) Power cable 3G1.5mm2 Connecting wiring : 4 G1.5mm2 Outdoor unit 1.