KEHUA TECH MR33 Series, User Manual, Page: 25 / 123

2 Overview
MR33 Series (75K-600K) Modular UPS
User Manual
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NO. Name Illustration
○
2
AC/DC indicator
On (green): the rectifier work normally.
On (red): the rectifier work abnormally.
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3
DC/AC indicator
On (green): the inverter work normally.
On (red): the inverter work abnormally.
○
4
BYP. indicator
On (green): bypass output
On (red): bypass abnormal
○
5
BATT. LOW indicator On (green): battery low-voltage
○
6
OVERLOAD indicator On (red): overload
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7
ON combination button Press the two buttons for 3s, the system will power on.
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8
OFF combination button Press the two buttons for 3s, the system will power off.
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9
EPO emergency power off button
Press the button, the system will power outage
immediately.
2.5 Sturcture Layout
The system layout diagram takes the power module full allocation as an example, please refer to the
real product.
2.5.1 MR3375, MR33125, MR33200, MR33300 (Bottom wiring)
MR3375, MR33125 compatible with top and bottom incoming wiring mode.