User Manual | Chapter 1 - General Description |
Network Power Switch
1.5 Manual Bypass Switch Operation
BYPASS ON S1 SOURCE
YELLOW LED (LOAD ON S1)
OUTPUT
YELLOW LED (LOAD ON S2)
BYPASS ON S2 SOURCE
Fig 1.5 – Manual Bypass Switch Operation
Manual Bypass switch is used only when a fault occurs in the Network Power Switch and the control circuitry of the Network Power Switch is to be checked. For doing this operation the load is connected to the bypass. For Normal Operation, the position of the switch should be at Network Power Switch output position (i.e. horizontal)
If the load is to be fed through the source 1 Bypass, first it is to be unlocked and the knob should be rotated upwards. To feed through source 2 bypass the knob is to be rotated downward.
A mechanical interlocking arrangement is provided on this Bypass switch, by which the Hot swappable unit can be removed only when load is connected to bypass. In normal operation when the load is connected to Network Power Switch, the Hot swappable unit cannot be removed.
Operating Network Power Switch in Normal Mode (load connected to Network Power Switch output)
•Unlock the Manual Bypass Switch with the key provided.
•Depending upon the available healthy source (i.e. either
•Unlock the sliding module
•Pull out the Hot swappable sliding module out of the Network Power Switch, which contains (SCR assembly, control circuitry).
Operating Network Power Switch in Bypass mode
•Insert the Hot swappable module into the Network Power Switch unit
•Lock the sliding module for preventing its accidental opening.
•Unlock the Manual Bypass Switch with the key provided
•Connect the Load output to Network Power Switch by changing the switch position to Network Power Switch output.
•Depending on the priority switch, Load will get transferred to
•The Static Switch output position LED will glow
