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IV. OPERATING INSTRUCTIONS
4.1 Introduction
WARNING !!!
SD1 and SD2 circuit breakers are used as the input fuses of the 1st and 2nd rectifiers
respectively. These circuit breakers should be kept in “1” position during all of the operation
modes and turning off procedures.
NOTE1:
All the user controls and indicators mentioned in these procedures are identified in chapter 1. For to
make easier to understand some of the procedures there are repetitions.
NOTE2:
The audible alarm may annunciate at various points in these procedures.
4.2 Procedure For Switching The UPS To Power The Load From a Power-Off Condition
TURN ON THE UPS
By applying this procedure UPS returns to normal operation, during its completely shutdown.
ATTENTION!!!
The following action will apply power to the load equipment.
1.
Open the UPS doors to gain access to the main power switches.
2.
Make sure that S3 switch (maintenance bypass) is into “0” (OFF) position.
3.
Turn on the S2 (static by-pass) switch (into “1” (ON) position).
4.
Turn on the S4 (UPS output) switch (into “1” (ON) position).
5.
Turn on the S1 switch (inverter input), into ”1” (ON) position.
After these procedures, these messages appear on the front panel:
All leds on the front panel is lit 4 sec. (lamp test)
RECTIFIER START! :
Rectifier is working and static bypass continues to feed the load.
INVERTER START! :
Inverter is working and static bypass continues to feed the load.
STATUS NORMAL! : The UPS is operating normally its inverter supplying the outlet.
6.
Turn on the battery circuit breaker into “1” (ON) position. By this way it is ensured to connect the battery
group to the UPS.
7.
Your UPS system is ready to use. You can start up your PC., printer etc.
4.3 Procedure For Switching The UPS Into a Maintenance Bypass From Normal Operation
This procedure should be followed when turning from normal operation to maintenance bypass. This procedure
can be used in giving temporary mains voltage to the system during the maintenance of the UPS or in case of
failure.
1.
Press on the UP or DOWN button when there is “COMMAND MENU” message on the front panel of the
UPS. Then press “ENTER” button.
2.
Press on the UP or DOWN button when there is “ENTER <BYPASS>” message on the front panel of the
UPS. Then press “ENTER” button for 3 seconds. L4 static by-pass led lit and L6 inverter led off.
Now your load is feeding from the Static By-pass.
3.
Take out the lock from the
S3
(maintenance bypass) switch.
4.
Turn on (into “1” position) the
S3
(maintenance bypass) switch.
5.
S1
(inverter input)
S2
(static bypass)
S4
(UPS output) open this switches and the battery circuit breaker. Into “0” position.
Summary of Contents for T-3100P
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