APC SY20K40H Datasheet download pdf (Page 4)

Maintenance Bypass Panel 60kW /

Symmetra

PX 10 - 40 kW, 400V

990-1277

Maintenance Bypass Panel 60kW /

Symmetra

PX 10 - 40 kW, 400V

990-1277

Maintenance Bypass Panel60kW /

Symmetra

PX 10 - 40 kW, 400V

990-1277

How to return to On-Line from

Maintenance Bypass Operation

1) Close (turn ON) the

breaker on the Maintenance Bypass Panel.

2) Set the Symmetra PX UPS

DC Disconnect

breaker and

System Enable

switch to the ON

position.

As soon as you set the

DC Disconnect

breaker and the

System Enable

switch to the

ON position, the UPS transfers to Static Bypass (with the load supported).

3) If applicable, set the XR Battery Enclosure

DC Disconnect

breaker to ON.

The

LED above the

breaker will illuminate, indicating that it is safe to

operate the

breaker.

4) Close (turn ON) the Q2 breaker on the Service Bypass Panel.

The

LED above the

breaker will illuminate, indicating that it is safe to

operate the

breaker.

5) Open (turn OFF) the Q3 breaker on the Maintenance Bypass Panel.

As soon as you open the

breaker, the UPS will automatically return from Static

Bypass.

Service Bypass

Switch

UPS

Service Bypass

Switch

UPS

Service Bypass

Switch

UPS

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APC SY20K40H Datasheet Page 4

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