11
SunLight Series UPS User Manual
IV. OPERATING PROCEDURE
4.1 6 - 7,5 - 10 kVA
4.1.1 Turn On procedure
1 .
Turn on the Main Switch on the rear panel to "
1
" position.
(There is line voltage at the output.)
2 .
Turn on the On-Off Switch PK1 on the rear panel to the "
1
" position. Turn on the power switches on
your critical load after the "Inverter" indicator (green light) is turned on.
(There is inverter voltage at the
output.)
4.1.2 Turn Off procedure
1 .
Turn off all the power switches on your critical equipments that are connected to the UPS.
2 .
Turn off the On-Off switch PK1 and the Main Switch to "
0
" position.
CAUTION
A-
For daily TURN ON / TURN OFF operation, it is recommended to keep the Main switch at "
1
"
position to ensure proper battery operation.
B-
If the Main switch is in "
1
" position the line power will be supplied to output receptacles
directly. DO NOT insert objects other than equipment power cords into outlets.
4.2 15-20-30 kVA
4.2.1 Turn On Procedure
1 .
Turn On Main Switch PK1 on the front panel from position "
0
" to "
3
" step by step as in the instructions
given in chapter 3.4.2
2 .
Turn on the power switches on your critical load after the "Inverter" indicator (green light) is turned on.
You will have an uninterrupted AC supply voltage at the UPS outputs only if this green light is "
ON
"
and if you have a by-pass supply connected to your unit.
4.2.2 Turn Off Procedure
1 .
Turn off all the power switches on your critical equipments that are connected to the UPS .
2 .
Turn off the Main switch PK1 "
0
" position step by step.
CAUTION
A .
Regardless of the position of PK1 , the battery charger is active as long as the battery fuse and AC
circuit breakers are closed.
B .
For daily TURN ON / TURN OFF operation , it is recommended to keep the Main switch PK1
in "
0
" position.
4.3 When Utility Power Is Interrupted
In case the utility power is interrupted, the UPS converts the built-in battery source to output terminals
immediately to protect your critical loads from loss of data or damage.
