GE LP33 Series 80, Руководство пользователя

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OPM_LPS_3UO_80K_M10_1US_V010.doc User Manual LP33 Series 80 & 100 UL S1
7.1.3 From Manual Bypass Q2 to normal function VFI
This procedure presupposes that the
load is powered by the manual bypass switch, and:
•
The inverter is switched OFF;
•
The manual bypass switch Q2 is closed (Pos. I);
•
The output switch Q1 is open (Pos. 0);
•
The “Battery Breaker” of the battery cabinet is OFF (Pos. 0).
•
LED Alarm blinks.
NOTE !
This procedure must not be performed if the UPS is used as frequency converter .
1. Close the output switch Q1 (Pos. I).
Load is now supplied parallel through automatic bypass
and manual bypass Q2 .
The synoptic diagram must display the status “ LOAD
SUPPLIED BY AUTOMATIC BYPASS AND MANUAL BYPASS
Q2 ” .
2. Switch ON (Pos. I) the “Battery Breaker” from battery cabinet.
` Home\Commands
COMMANDS
RESET TOTAL OFF
REQUEST TOTAL OFF
3. Only in case it has been previously activated, restore
the command
“Load Off” by entering the screen:
COMMANDS/ RESET TOTAL OFF
V
` Home\Meter
BOOSTER
f : 60.0 Hz
L1 : 120 V
L2 : 120 V
L3 : 120 V
Vp : 210 V
Vn : 210 V
4. Open the manual bypass switch Q2 (Pos. 0).
The load is supplied by the utility through the automatic
bypass .
Verify, selecting the screen METERING/BOOSTER/ Vp and
Vn , that the booster voltage has reached about 210 Vdc .
5. Insert the inverter by pressing “ Inverter ON ” ( I ) key.
Some seconds later the load will be transferred on
inverter .
LED Alarm turns OFF and the LED Operation must be lit.
The synoptic diagram must display the status “ LOAD
SUPPLIED BY INVERTER ” .
END OF PROCEDURE