multicomp PRO Pi-4 User manual

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Pi-4 Power HAT Case Assembly
and Quick Start Guide

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1. Insert the Pi (not included) main board into the casing
lower part as shown.
2. Connect the riser to the header
connector pins.
3. Clip the two support pillars into the holes provided
on the Pi main board.
4. Slide the cooling fan
mounting through the
cut out in the PCB
so it sits ush.
5. Insert the cooling fan into the
mounting feeding the connection
wire through rst.
IMPORTANT SAFETY INFORMATION
When using electronic components basic safety precautions should always be
followed.
ASSEMBLY
WARNING: This is an electrostatic sensitive device, take precautions to
ground yourself during the assembly procedure.

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INSTALLATION
6. Route the wire neatly under the lugs on the fan
support and connect the fan wiring to the two pin
header on the PCB noting the polarity as shown.
7. Clip the PCB onto the mounting pillars ensuring
the riser pins locate through the holes in the
board.
8. Lower the upper casing over the
assembly until it snaps into place.
Note: Make sure you have followed the Raspberry Pi foundation’s instruction to install
the latest OS to your SD card. Here is the latest download page from Raspberry Pi:
https://www.raspberrypi.org/downloads/noobs/
A guide is available here:
https://www.raspberrypi.org/help/videos/#noobs-setup
Once the OS is installed you should conrm it’s up to date. To do this Open terminal on
Pi and type: sudo apt update
followed by: sudo apt upgrade
This should update your OS to the latest revision. Reboot your Pi.
Once restarted again open terminal and type the following:
sudo nano /boot/cong.txt
Now add the following two lines to the bottom of the cong.txt le:
dtoverlay=gpio-poweroff,gpiopin=l8,active_low=O
dtoverlay=gpio-shutdown,gpio_pin=l7,active_low=l,gpio_pull=up
Save the le and reboot.

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INFORMATION ON WASTE DISPOSAL FOR CONSUMERS OF
ELECTRICAL & ELECTRONIC EQUIPMENT.
When this product has reached the end of its life it must be treated as Waste Electrical &
Electronics Equipment (WEEE). Any WEEE marked products must not be mixed with general
household waste, but kept separate for the treatment, recovery and recycling of the materials
used. Contact your local authority for details of recycling schemes in your area.
Made in the UK. LS12 2QQ
Man Rev 1.1
OPERATION
To start your Pi:
Press the STAND-BY button > 1 sec.
LED ring goes GREEN.
To Shut down:
Press the STAND-BY button > 3 sec.
LED ring ashes RED.
Forced Shut down:
Press the STAND-BY button > 10 sec.
LED ring ashes RED.
Note: The upper USB socket must be used to
connect the Power Supply to the Pi.
If the lower socket is used the push button
startup/shutdown will not function.