MAKELSAN 1K, User Manual, Page: 13 / 35

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MAKELSAN UPS
INSTALLATION
13. Please follow the electrician law when installation.
14. Avoid using the same switch with other equipment when connect to switchboard,
try to connect cable to utility terminal. Figure 14.
15. In 3 4W system, please respectively
measure the voltage between R/N, S/
N, T/N with ammeter firstly and see if
they are close to 220V, then connect
L cable of UPS to the cable whose
voltage measured is the highest
(means supply power of this phase
is lighter than that of other two
phase), the N cable of UPS is con-
nected to utility neutral cable N, the
UPS-GND is connected to grounding
club.
16. If the model of the unit you purchase
is input voltage of 110V, please con-
nect UPS-L cable into live, connect N
cable into neutral cable, and connect
UPS-GND cable to grounding club.
Please note that this equipment is a system of 220V or 110V, do not connect 380V,
and avoid causing any fault.