10. NOTE WIRE POLARITY: - Make sure to correctly mark the polarity of the wires using
colored wires or tags. Incorrect polarity may blow a controller fuse or damage the
MARK/(15,20).
Be Careful… Some vehicles or solar kits use black and white wires for connection to
the battery. These kits will label the white wire as battery negative and the black wire
as battery positive. Black and red wiring systems will label the black wire as
negative and the red wire as positive. When these systems interconnect, the black
wire does not connect to the black wire. CAREFULLY NOTE BATTERY POLARITY
AND WIRE COLORS!
11. PREPARE WIRES- Using a wire stripper, carefully remove approximately ½” of
insulation from the controller end of each wire, being careful not to nick or break any
wire strands.
12. MARK/(15,20) CONNECTION: - Wire the MARK/(15,20) according to Figure 1. The
wires should be connected directly to the MARK/(15,20) screw terminals (no spade or
ring lugs). Tighten securely.
Any wiring variation can affect the performance and operation of the system.
CAUTION: The two negative connections (ARRAY(-) & BATTERY(-)) must be
separated. Do not install a jumper across the terminal block.
CAUTION: The battery negative connection should not come from a frame or
chassis. This wire needs to originate directly from the battery.
CAUTION: Do not connect any loads to the MARK/(15,20) terminals.
13. INSTALL FUSING AS NEEDED: - Add circuit protection where needed. A 20 amp
fuse (MARK/15) or a 25 amp fuse (MARK/20) and disconnect switch should be
installed on the Battery (+) run of the MARK/(15,20).
WARNING: A good system design calls for circuit protection to be added to all
wire runs from the battery. This will provide protection from fire and damage
due to over-current from the battery. Also, disconnect switches in-line between
the components allows you to isolate power during installation and
maintenance. Recommended: Install properly DC rated, high interrupt, current
limiting, over-current protection and disconnect equipment between the
MARK/(15,20) and the battery. Refer to the National Electrical Code or your
local alternative energy vendor for recommendations.
14. MARK/(15,20) MOUNTING: - Mount the MARK/(15,20) to the wall or box front using
the four screws provided or other suitable fasteners. Do not remove the four rubber
spacers, they provide a gap for added cooling.
15. RECONNECT BATTERY AND ARRAY POWER
7
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