SOLA 4000 - Operation
5 Operating Instructions
5 OPERATING INSTRUCTIONS
5.1Switching On the UPS System / from Maintenance Bypass
Initial UPS Operating Mode:
The UPS is switched off, the load may or may not be supplied by maintenance bypass, IBY and all other power switches are open.
Operating Steps:
A: | • | Switch on the external mains supply for the UPS; both the |
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| rectifier input and the bypass input when separate supplies are |
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| provided. |
| • | Open the UPS front door or the part necessary to allow access |
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| to the switches IRP, IRE, IUG and IBY. |
IBY: |
| If the b ypass switch IBY, is not already on, close it now (for |
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| |
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| parallel systems with internal maintenance bypasses see Note |
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| 1 page11) The load is now supplied by the maintenance by- |
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| pass. |
IRP: | • | Close the IRP switch. |
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| The rectifier starts and the UPS performs a |
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| The UPS operating panel will beep 3 times and test all the |
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| LEDs. The audible alarm may continue beeping and can be |
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| muted by pressing "RESET" once. |
IUG: | • | Close the IUG switch. |
IRE: | • | Close the IRE switch. |
IB: | • | Close the battery switch IB. |
Repeat A above, for all units within the system
Parallel systems).
B: | • | Check that the LEDs for the bypass and the output are illumi- |
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| nated. |
IBY: | • | Open the IBY switch inside all units (or within the External |
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| Maintenance Bypass cabinet if installed). |
RESET: | • | Press the pushbutton "RESET" on the operating panel of any |
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| unit. |
START: | • | Press the pushbutton "START" on the operating panel of all |
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| units within the system. The inverter(s) will start and will switch |
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| over to take the load when ready (SSI closes). |
Note: The pushbuttons "START" and "RESET" must be depressed for about 1 sec.
JUE 401266 | 67 |
