Lcd Messages And Led Status After Starting The Ups; Normal Shutdown To Manual Bypass - Powertronix Quasar Service Manual

Chapter 3 - Commissioning
Validating the Installation

3.6.1 - LCD Messages and LED status after starting the UPS.

During the Normal Operation of the UPS LCD panel will show the following messages:
D MAINS WITHIN LIMITS.
D BYPASS LINE WITHIN LIMITS.
D BATTERY VOLTAGE WITHIN LIMITS.
D INVERTER OPERATING.
D INVERTER-BYPASS LINE SYNCHRONIZED.
D LOAD ON INVERTER.
D The `NORMAL' green LED ( 1 )and the `LOAD on INV' green LED ( 3 ) are illuminate. The buzzer alarm is off.
Note:Note: for a full explanation of the control panel LCD and LED function refere to
chapter 4.
3.7 -

Normal Shutdown to Manual Bypass

After calibration the following procedure can be used to shutdown the UPS to a Manual bypass condition, and then
to normal operation:
1. Press the `MENU' push button (a) on the FRONT PANEL.
a) Select the `COMMAND' screen by pressing either the `BACK' (c) or `NEXT' (b) push button.
b) Confirm the `COMMAND' menu selection by pressing `BACK' and `NEXT' at the same time (i.e. ENTER).
c) Select the `SWITCH LOAD'function by pressing either `BACK' or `NEXT'.
d) Confirm `SWITCH LOAD' function by pressing `BACK' and `NEXT' at the same time.
D A *CONFIRMED* message will be displayed
2. Press `CLEAR' (d) twice to return to the main menu.
The following change-over sequence should occur, indicating that the load has been transfer to the bypass line:
D The yellow `BYPASS ON' LED ( 4 ) is illuminated
D The green`LOAD on INV' LED is extinguished.
3. To turn off the Inverter follow the procedure below:
a) Press the `MENU' push button (a) on the FRONT PANEL.
b) Select the `COMMAND' screen by pressing either the `BACK' (c) or `NEXT' (b) push button.
c) Confirm the `COMMAND' menu selection by pressing `BACK' and `NEXT' at the same time (i.e. ENTER).
d) Select the `INVERTER ON-OFF' screen by pressing either the `BACK' (c) or `NEXT' (b) push button.
e) Confirm `INVERTER OFF' function by pressing `BACK' and `NEXT' at the same time.
D A **CONFIRMED** message will be displayed
f) Press `CLEAR' twice to return at the main screen.
4. The follow sequence should occur:
a) The Alarm buzzeris activated.
b) the Red general `ALARM' red LED ( 2 ) will illuminate.
c) the Yellow `BYPASS ON' LED ( 4 ) will illuminate.
d) the Green `NORMAL' LED will extingaquish.
e) The LCD will display the following messages:
`LOAD ON BYPASS' and `INVERTER OFF'.
5. Remove the Mechanical Lock from the MANUAL BYPASS MCB ( I3 )
6. Close the. MANUAL BYPASS MCB ( I3 )
7. Open the `UPS OUTPUT' MCB ( I4 ).
8. Open the `MAINS INPUT' MCB ( I1 ).
9. Open the `RESERVE INPUT' MCB ( I2 ).
10. Open the `INTERNAL BATTERY' fused switch ( I5 ).
11. Check that the load continues to be powered from the Maintenance Bypass Mains supply while the UPS is
off.
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Service Manual
3x3 UPS Commissioning
Issue 2 - November 2001