Fire-Lite MS-9050UDC Addressable Fire Alarm Control Panel - Manual (Page 25)

MS-9050 Series Manual — P/N 52413:G 4/14/2014 25
Mounting the Chassis/Transformer/Main Circuit Board Installation
2.2 Mounting the Chassis/Transformer/Main Circuit Board
One transformer is supplied standard with the control panel. Install the transformer and chassis in
the location indicated in the following illustration.
1. When the location is dry and free of construction dust, install the chassis/transformer/circuit
board assembly.
2. Mount the chassis to the backbox by aligning the two mounting tabs with the slots in the
backbox, then position the two mounting hole tabs over the studs with nuts located in the upper
portion of the backbox.
3. Slide the tabs located on the bottom of the chassis into the mounting slots in the backbox by
pressing the chassis down.
4. Secure the chassis to the backbox by tightening the two mounting nuts (#10-32) at the top, and
to ensure proper grounding, use a 3/8” nut driver or socket.
5. If the main circuit board is not already attached to the chassis, install it by positioning the ten
mounting holes over the studs on the chassis and secure with the supplied screws.
6. Ensure the transformer plug is connected to Connector J2 on the FACP main circuit board
7. Complete the installation as detailed in the following sections.
Figure 2.2 Main Circuit Board/Chassis Installation
Backbox
FACP Main Circuit Board on Chassis
mounting studs
9
050
ud
bd
mn
.cdr
mounting slots
mounting tabs
mounting tab holes
Ground Stud
Transformer is mounted to the back
of the chassis in the lower left corner.