Tripp Lite SU80K owner manual Manual Bypass Procedure Single UPS, Shutdown Procedure Single UPS

8 – Start-Up, Shutdown and Bypass (continued)

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8-5 Manual Bypass Procedure (Single UPS)

Warning: Placing the UPS system in manual bypass will disable the inverter and power all loads from the manual bypass source, but

2 the UPS system will still be energized. Before performing maintenance or repair on the UPS system, shut down and de-energize the UPS system completely by following the steps in Section 8-6. Although connected equipment loads will be powered by the bypass power source, they will not receive battery backup in the event of a utility power failure.

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•1 When the UPS system is in online (normal) mode, press the OFF

button A for 3 seconds (until you hear a beep), then release the button. The inverter will automatically switch to bypass mode and the “BYPASS” LED will illuminate.

A

1

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•2 Switch on the manual bypass circuit breaker switch A , then switch off the output circuit breaker switch B .

ON

I

Main

Input

2 Front Panel

		O
ON	ON	OFF
I	I

AB

Back Panel

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8-6 Shutdown Procedure (Single UPS)

Warning: The UPS system shutdown procedure will eliminate the AC power output for all loads. Before shutdown, confirm that all loads are turned off or place the UPS system in manual bypass mode to keep loads powered by the bypass power source.

•1 Press the OFF button A for 3 seconds (until you hear a beep), then release the button. If the UPS system is in online (normal) mode, it

8 will switch to bypass mode. If the UPS system is in battery backup mode, the inverter will shut down and AC output power will be interrupted.

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•2 Switch off the main input circuit breaker switch A .

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•3 Switch off the bypass input circuit breaker switch A .

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1 A

			O
	O	ON	OFF	ON
		I		I
	OFF
	Main
	Input
	A
2	Front Panel		Back Panel

	O	O
	OFF	OFF	ON
O			I
OFF

Main
Input
	A
3 Front Panel	Back Panel

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200803004 93-2793 SU80k manual 4C.indd E22 6/16/2008 1:43:34 PM