A
B
SNMP AGENT
NORMAL
PRECHARGE
MANUAL BYPASS
INPUT
220 VAC
1Ø 50Hz
OUTPUT
220 VAC
1Ø 50Hz
INPUT
CIRCUIT BREAKER
BATTERY
CIRCUIT BREAKER
BYPASS
RS-232
REMOTE TERMINAL
REMOTE STATUS INTERFACE
DI 2
DI 1
GROUND
2
1
3
4
5
6
7
8
9
10
11
12
13
14
K1
K2
K4
K3
K5 K6
NO NC
COMMON
NO NC NO NO NO
NO
IT'S IMPORTANT TO OBSERVE THE CORRECT POLARITY WHEN
MAKING CONNECTION. REVERSE POLARITY CONNECTIONS
WILL DAMAGE THIS PRODUCT.
DO NOT TURN THE BATTERY CIRCUIT BREAKER ON BEFORE
PRE-CHARGE UPS, AS IT MAY CAUSE DAMAGE TO THE UPS.
PRESS AND HOLD "PRECHARGE" BUTTON FOR 15 SECONDS AND
THEN TURN ON THE BATTERY CIRCUIT BREAKER.
DO NOT CONNECT OR DISCONNECT THE CABLE TO THE BATTERY
EXTENSION MODULE BEFORE YOU HAVE TURNED THE BATTERY
CIRCUIT BREAKER OFF.
DO NOT TURN THE BATTERY BREAKER ON WHEN THE BATTERY
EXTENSION MODULE IS DISCONNECTED FROM THE UPS.
L
N
L
N
15
16
K7
NO NC
CAUTION
CAUTION FOR BATTERY EXTENSION
RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER.
NO USER SERVICEABLE PARTS INSIDE, REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
WARNING
OUTPUT FUSE
15A 250VAC
OUTPUT
220 VAC 1Ø 50Hz
BATTERY EXTENSION
OFF
OFF
OFF
OFF
Main
Power Supply
Computer
Battery
Extension
Modules
(option)
Load Panel
AC Loads
L
N
PE
L
N
PE
Remote Panel
or Monitoring
SNMP/HTTP
Network
Installation diagram of NB-2KS UPS
4.2 Installation
- 13 -
