There are two installation methods for the pump to secure the inlet port flange, as shown in Figure 20
(i), and to secure the inlet port flange and base, as shown in Figure 20 (ii). Make sure to secure the
inlet port flange of the pump with the recommended bolts, as described in Table 12, according to the
installation method used. When securing the base of the control unit, refer to Section 3.4.4 “Screw
holes for securing the base of the control unit”.