Apc 60-80kW User Manual download pdf (Page 53)

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990-4051

Installation Guide APC Silcon 60-80kW 400V UPS 53

Step 1-4 can be carried out with any of the parallel systems, however this will switch

all systems into bypass operation.

1. Press on the keyboard

2. Press or on the keyboard until

3. Press on the keyboard

4. Press on the keyboard

All systems will transfer to bypass operation

Do not switch off any of the UPS systems

until step 5-8 has been completed.

5. Check lamp indication on the Service Bypass Panel

6. Turn the external bypass switch (Q003)

to position ”1“

7. Turn the output isolator (Q004) to position ”0“

8. Turn the output switches (Q002) to position ”0“

9. Open the front door and press both the green

”ON“ and the red ”OFF“ keys simultaneously in

any of the systems

The acoustic alarm sounds for 30 sec.*

Repeat for (all) other system(s).

10. Turn all input switches (Q001) to position ”0“

The red alarm LED below the display lights

and the acoustic alarm sounds for 30 sec.

* The acoustic alarm can be reset by the key

Bypass operation

:NO

Bypass operation

:YES

Display shows

Lamp indication

on bypass panel

The green lamp (H003)

above the bypass switch

handle (Q003) lights

The green lamp (H004)

above the output isolator

(Q004 and the green lamps

(H002) above the output

switch handles (Q002) lights

The green lamps (H002)

above the output switch

(Q002) light and the green

lamp (H004) above the output

switch (Q004) lights

Now the lamps (H002)

above the output switch

handles (Q002) light and the

green lamp (H004) above the

output switch (Q004) lights

** System OFF **

Display shows

Action

Bypass operation

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Apc 60-80kW User Manual Page 53

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