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1. According to section 2.8.3, first step is to change system into 3 in 1 out system
2. As shown in Figure 2-19, short-circuit bA, bB and bC with No.5 copper bar; short-circuit oN, bN
and mN with No.7 copper bar; short-circuit oA, oB and oC with No.4 copper bar.
Fig. 2-19 3-phase in and 1 phase out, dual input
3. Fix the insulating film (accessory) to the No.5 copper bar as shown in Figure 2-20, and fixed in
the corresponding position with the plastic rivet, as shown in figure 2-21.
Fig. 2-20 Fix insulation film
Fig. 2-21 Graphic of insulation film fixed
4. Connect bypass input to No.5 copper bar, and then connect input A, B and C cables to UPS's mA,
mB and mC.
5. Connect output cable to No.4 copper bar.
6. Connect bypass input N, output N, Main input N to No.7 copper bar.