Daikin VRV-WII FXYCP30MY1 Installation Procedure

• Installation procedure• VRV ® Systems • Installation procedure221 Installation of outdoor1 - 8 Refrigerant piping1 - 8 - 1 Selection of piping materialRestriction for the installation of the outside unit multi connection piping kit• Install the joint horizontally within a lean of ±15° with caution nameplate on top. Refer to figure 23 (Fig. A)Do not connect it vertically. Refer to figure below (Fig. B)• Reserve the straight part of 500mm or more to the branch pipe and do not bend the local pipe in that area.Straight part of 500mm or more can bereserved if a local pipe (straight pipe) of 120mm or more is connected to the joint.Refer to figure below(Fig. C)• Incorrect installation may cause breakage of outside unit. Caution nameplate Horizontal line Ground Straight part of 500mm or more Local pipe(120mm length or more)Precautions when selecting branch piping.• If the equivalent length of piping between the outside units and indoor units is 80m or longer, be sure to enlarge the main pipe in the liquid-sidebranch piping.Depending on the length of the refrigerant piping, the cooling/ heating capacity may drop, but even in such cases it is ok to enlarge the main pipe. Outside unit Main pipe Enlarge The first refrigerant branching kit. Indoor unit[Liquid side]RWEYQ10MY1 type: .............f9.5. f12.7 (Minimum thickness f0.80mm)RWEYQ20MY1 type: .............f15.9. f19.1 (Minimum thickness f1.00mm)RWEYQ30MY1 type: .............f19.1. f22.2 (Minimum thickness f1.00mm)(Unit: mm)TEMPER GRADE O Type 1/2 H TypeOuter diameter ø9.5 ø12.7 ø15.9 ø19.1 ø22.2 ø25.4 ø28.6 ø31.8 ø34.9Minimum Wall Thickness 0.80 0.80 0.99 0.80 0.80 0.88 0.99 1.10 1.21[C-arrow view] [D-arrow view](Fig. A) (Fig. B) (Fig. C)