ABB Symphony Harmony Series Instructions Manual page 71

Procedure
Front Mounting Brackets
1. Align the top hole in one of the front mounting brackets
□
with the first round mounting hole from the top of the cabinet
on the frame as shown in Figure PR2-1.
2. Use the Phillips screwdriver, and four thread forming
□
screws and lockwashers to secure the front mounting bracket
to the cabinet.
3. Repeat Steps 1 and 2 for the other front mounting bracket.
□
Rear Mounting Brackets
Each cabinet can have two or four rear mounting brackets.
Two rear mounting brackets are used for single power chassis
installations and four rear mounting brackets are used for
dual power chassis installations.
Single Power Chassis
1. Install two cage nuts on the 13th and 18th holes on the left
□
(when viewed from the rear of the cabinet) vertical mounting
rail inside the cabinet as shown in Figure PR2-1.
2. Align the top hole of the left rear mounting bracket with
□
the top cage nut.
3. Use the bladed screwdriver, and two pan head screws and
□
lockwashers to secure the left rear mounting bracket to the
vertical mounting rail.
4. Repeat Steps 1 through 3 to install the right rear mounting
□
bracket, installing it on the right vertical mounting rail.
Dual Power Chassis
1. For dual power chassis installations, perform the steps
□
under
ing brackets.
2. Install two cage nuts on the 4th and 9th holes on the left
□
(when viewed from the rear of the cabinet) vertical mounting
rail inside the cabinet.
PR2 - 2
NOTE: Figure
PR2-1 shows a single power chassis installation.
Single Power Chassis Single Power Chassis
Single Power Chassis Single Power Chassis
to install the bottom rear mount-
WBPEEUI210509A0