Honeywell Fusion4 MSC-L User Manual

Installation - Removing/Replacing the PCBs
Fusion4 MSC-L Part No.: 4418309_Rev09
4 - 12 Installation & Operation Manual
Honeywell
4.5 Removing/Replacing the PCBs
CAUTION! Wear an ESD wrist strap while handling a printed
circuit board from the MSC-L, to prevent damage by
Electrostatic Discharge (ESD).
1. Perform step 1 through step 3 in section 4.3 - Opening the MSC-L,
before removing/replacing the CAN-HMI-MSC, CAN-IN-OUT-MSC,
CAN-ARM-MSC, and MSC-SHORTCUT-BOARD.
2. Ensure that the thermal conductive pads on all the boards are in
place.
3. Before placing the boards, remove the protection film, if present.
To remove the CAN-HMI-MSC board
1. Remove the PCB protector plate MSC lid.
2. Remove the subD 15 (2x) cables.
3. Remove the contra connector with the blue color cable (CN2).
4. Remove the display cables (CN9 and CN10).
5. Loosen and remove the screws that hold the CAN-HMI-MSC board
to the MSC-L lid.
NOTE: To replace the CAN-HMI-MSC board, perform the
previous steps in reverse order.
To remove the CAN-IN-OUT-MSC or CAN-ARM-MSC boards
1. Remove the screw that holds the CAN-IN-OUT-MSC or CAN-ARM-
MSC boards to the enclosure.
The screws for both the grounding and the protection cable are M4
Socket Cap screws which need a 3 mm hex key (or Allen key).
NOTE: To replace the CAN-IN-OUT-MSC and CAN-
ARM-MSC boards,
perform the previous steps in
reverse order.
To remove the MSC-SHORTCUT-BOARD
1. Remove the MSC-SHORTCUT-BOARD from the backplanes by
pulling the MSC-L fuse board cover.
NOTE: To replace the MSC-SHORTCUT-BOARD perform
the previous steps in reverse order.
NOTE: Do not remove the CAN-PSF-MSC board.

Honeywell Fusion4 MSC-L Specifications

General

Brand	Honeywell
Model	Fusion4 MSC-L
Category	Desktop
Language	English