Table Of Contents; Introduction; Contents - Merlin PowerGuard PRO User's Installation Manual

Introduction

Thank you for purchasing a PowerGuard
PRO
PowerGuard is a remote battery switching system. This allows you to mount battery master
switches in convenient locations such as dashboards or helm panels without needing to run heavy
duty cables throughout the vehicle/boat.
PRO
PowerGuard is also a Flat Battery Protection System. Using sophisticated battery monitoring
techniques, PowerGuard
below a certain level for a pre-set period of time, the battery will be disconnected. Note: on the
primary battery circuit, this is inhibited from happening when the engine ignition is switched on.
PRO
PowerGuard may be used on 1 or 2 battery bank installations at either 12 or 24VDC. Those
battery banks may also be of mixed voltage (e.g. a 12 and a 24V battery bank).
Please take the time to read and understand this manual before installation and use.
Please note that this manual refers to the PowerGuard
in an OEM version. The OEM version differs slightly to the retail product. However, the main printed
circuit board within PowerGuard
OEM version.

Contents

Precautions ............................................................................................................................................. 3
Certificate of Conformity ........................................................................................................................ 4
Introduction ............................................................................................................................................ 5
Contents .................................................................................................................................................. 5
Package Contents .................................................................................................................................... 6
Installation .............................................................................................................................................. 7
Positioning of Parts ............................................................................................................................. 7
Wiring Layouts .................................................................................................................................... 8
Contactor Rating ................................................................................................................................. 9
Installation and Set Up .......................................................................................................................... 10
Location and Connections ..................................................................................................................... 11
Settings.................................................................................................................................................. 13
Notes ................................................................................................................................................. 14
After Installation - Testing .................................................................................................................... 15
Product Specifications........................................................................................................................... 16
Warranty ............................................................................................................................................... 17
PRO
PowerGuard User & Installation Guide Rev A
PRO
.
PRO
detects when batteries start to run low. When the batteries have run
PRO
is identical so this manual may also be used for setting up the
PRO
retail product. PowerGuard
PRO
is available
Page 5