- 16 -
4.2.1 Turn off all loads.
4.2.2 For 2000VA model or higher, Turn off all AC power source which supplies power to the UPS .
4.2.3 Turn off INPUT, BYPASS INPUT (if available), OUTPUT (if available) and BATTERY circuit breakers.
4.2.4 Connect RS-232 signal cable (if available) from the computer serial port to RS-232-PC port of the UPS.
4.2.5 Connect Remote terminal signal cable (if available) from remote panel or modem to REMOTE TERMINAL
port of the UPS.
4.2.6 Connect interface signal cables (if available) at REMOTE STATUS INTERFACE terminal to send and receive
remote contact signal (NO, NC, COM) for control or alarm such as PLC or buzzer.
Sample
Note:
Contact rating 5A 250Vac / 5A 30Vdc
4.2.7 Connect earth cable at PE / EARTH (
) terminal.
4.2.8 Connect input cable from AC power source to the UPS.
For 1500 VA model or higher, connect the cable from AC power source at INPUT terminal of the UPS.
Connect NEUTRAL at N terminal of the UPS and connect LINE at L terminal of the UPS.
If there is single power source, jump BYPASS input terminal to INPUT terminal. If there is other power
source which is not primary power source, connect to BYPASS input terminal.
4.2.9 Connect loads to UPS.
4.2.9.1
For 1000 VA model or lower, connect loads to UPS OUTPUT outlets at the rear side of the
UPS.
4.2.9.2
For 1500 VA model or higher, connect the cable from OUTPUT terminal of the UPS to loads.
Connect NEUTRAL at N terminal of the UPS and connect LINE at L terminal of the UPS.
4.2.10In case of battery extension, remove fuse from the fuse holder or turn off circuit breaker at the battery
extension unit before connecting to the UPS. Then connect the positive (+) of the battery extension
unit to the positive (+) terminal of the UPS. And connect the negative (-) of the battery extension unit to
the negative (-) terminal of the UPS.
4.2.11 Verify all connections.
+ 12 Vdc
GND
COM
Test Sw.
Mute Sw.
12V Bazzer
12V indicator
NO
UPS contact signal
