ABB Symphony Harmony Series Instructions Manual page 81

Safety Considerations
Safety Considerations
1. Disconnect power before attempting these procedures. Fail-
WARNING ure to do so could result in severe or fatal shock, or equipment
damage.
1. Do not use the same power level from two power chassis.
Doing so will disrupt the active power sharing scheme and
damage the power system.
2. Turn off the circuit breaker on the power entry panel (PEP)
CAUTION
corresponding to the line (LINE 1 or LINE 2) that powers the
power supply tray to be removed or installed. Process upset
may occur if a power supply tray is removed or installed with
power applied.
Procedure
This procedure can be used for an initial installation or as part
of power chassis replacement with no power applied to the
cabinet (refer to
supply tray replacement procedures with power applied to the
cabinet (refer to
Initial Installation
1. Be sure power is removed at the source before starting this
□
procedure.
W1
2. Open the front door of the cabinet.
□
3. Keeping in mind the component arrangement discussed at
□
the beginning of this installation sequence, slide the appropri-
ate power supply tray into the appropriate power chassis and
push until it firmly connects with the power chassis.
4. Turn the two thumbscrews (Figure PR5-1) clockwise to
□
secure the power supply tray to the power chassis.
PR5 - 2
Initial Initial Installation Initial Installation Initial Installation
Field Field Installation Field Installation Field Installation
NOTE: Figure
PR5-1 shows a single power chassis configuration. In dual
power chassis configurations the top power chassis takes the place of the large
filler panel.
Installation), or as part of the power
Installation).
WBPEEUI210509A1