INSTALLATION INSTRUCTIONS:
1. MOUNTING CONSIDERATIONS: - The MARK/(15,20) is designed to be mounted
flush against a wall. It can be mounted onto a wall by adding the optional knockout
box (4x7 BOX). Flush mounting or wall mounting require different installation and
mounting considerations.
FLUSH MOUNT: The flush mounted unit requires a rectangular cutout in the
mounting surface with sufficient space (2-3 inches) immediately behind to
accommodate the controller.
WALL MOUNT: The wall-mounted unit (MARK/(15,20) with the 4x7 BOX) is installed
onto a wall surface using four mounting screws. Electrical connections are made
through knockouts in the box to the back of the controller. Wiring can be run down
the wall or through a hole in the wall directly below the controller.
2. ACQUIRE TOOLS AND MATERIALS
TOOLS AND MATERIALS NEEDED:
Slotted screwdriver
Wire cutter/strippers
Keyhole saw or saber saw
Pencil, scratch awl or other marker
Wire of proper gauge to run from the panels, to the MARK/(15,20), and to the
battery (See INSTALLATION INSTRUCTIONS #6: WIRE TYPE / SIZE)
Mounting fasteners of appropriate type for wall material
Included are four 3/4 - #6 screws and a spare fuse (20 amp AGC for the
MARK/15). (25 amp AGC for the MARK/20).
Also for Flush Mounting:
Drill with 3/32" and 3/8" bits
Also for wall mounting: (MARK/(15,20) with 4X7 BOX):
1/2 inch Romex strain relief clamps
3. LOCATION: - The MARK/(15,20) should be mounted where it can be easily seen and
reached as needed. Carefully consider how the wires are to be run from the solar panel to
the controller and from the controller to the battery. The MARK/(15,20) should be
mounted as close to the battery as possible, and should be mounted on a vertical surface
to aid in cooling.
4. PROTECTION REQUIREMENTS: - The unit should be mounted indoors, out of the
weather, unless a weatherproof enclosure is used. Avoid mounting in direct sunlight or in
a hot environment or where exposed to excessive moisture. Locations near refrigerators
may pose a moisture problem.
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