3 Basic Principle and Structure
KR-RM Series(1~3kVA) UPS
User Manual
All rights reserved ©Xiamen Kehua Hengsheng Co., Ltd.
− Short press" " button, it will transfer the display information among output voltage, output
frequency, input voltage, input frequency, battery voltage, inner temperature, output load
percentage, fault prompting(when UPS failure), etc.
− Long press " " button for more than 5s, it will enter the setting page. Transfer the setting
options by the selection button and then long press " " button to confirm the setting. It can
set the display ways, rack-mounting or tower-mounting: " TWR " is tower-mounting, " RCK
" is rack-mounting, the default setting is "RCK". It can also set ECO mode, output
208/220/230/240V mode.
3.2.2 Structure of the Front Panel and Rear Panel of KR1000-RM
Communication
interface
USB port
EPO
Output socket
Input
Over-current
rotector
Fan
LCD Panel
Buttons
RS232 USB EPO
CIRCUIT PROTECTOR
250V,10A
AC INPUT
AC OUTPUT
10A Max.
DC INPUT
+
PRODUCED BY: ZHANGZHOU KEHUA TECHNOLOGY
CO.,LTD. (CHINA)
NAME:UPS
MODEL:
INPUT:
OUTPUT:
DC INPUT:
1W+N+PE,AC220V,50Hz,4.8A
1W+N+PE,AC220V,50Hz,4.5A
1000VA/900W
KR1000-RM
36V,29.1A
Extended battery
port (Optional)
Figure3-3 Structure of the Front Panel and Rear Panel of KR1000-RM
3.2.3 Structure of the Front Panel and Rear Panel of KR2000-RM
LCD
panel
Buttons
Communication
interface
Fan
Output
socket
Over-current
protector
Input
USB port
EPO
AC INPUT
CIRCUIT PROTECTOR
250V,16A
DC INPUT
RS232 USB EPO
AC OUTPUT
220V 9.1A TOTAL
PRODUCED BY: ZHANGZHOU KEHUA TECHNOLOGY
CO.,LTD. (CHINA)
NAME:UPS
MODEL:
INPUT:
OUTPUT:
DC INPUT:
1W+N+PE,AC220V,50Hz,9.2A
1W+N+PE,AC220V,50Hz,9.1A
2000VA/1800W
KR2000-RM
48V,42.6A
+
Extended battery
port (Optional)
Figure3-4 Structure of the Front Panel and Rear Panel of KR2000-RM
3.2.4 Structure of the Front Panel and Rear Panel of KR3000-RM
LCD
panel
Buttons
Communiction
interface
Fan
Output
socket
Over-current
protector
Input
USB port
EPO
PRODUCED BY: ZHANGZHOU KEHUA TECHNOLOGY
CO.,LTD. (CHINA)
NAME:UPS
MODEL:
INPUT:
OUTPUT:
DC INPUT:
1W+N+PE,AC220V,50Hz,13.6A
1W+N+PE,AC220V,50Hz,13.6A
3000VA/2700W
KR3000-RM
72V,42.6A
EACH OUTLET
10A MAX.
AC OUTPUT
220V 13.6A TOTAL
AC INPUT
CIRCUIT PROTECTOR
250V,20A
DC INPUT
RS232 USB EPO
+
Extended battery
port (Optional)
Figure3-5 Structure of the Front Panel and Rear Panel of KR3000-RM