Section 40 00-02-0716
2013-06-03 - 33 -
General Information
LCD CONTRAST ADJUSTMENT ON STARTUP
If the front display is not viewable upon power up its possible the contrast setting may be incorrectly
adjusted. In order to correct this, take the following steps:
1. Remove power on the unit.
2. Hold in the “Hare” button and apply power.
3. Continue to hold the “Hare” button for at least 2 seconds after power up.
4. Look for a counting number in the mid to lower portion of the display.
5. When the number becomes visible to an acceptable contrast level press the “Hare” button again
to store the new setting.
General Wiring Precautions
There are several precautions during initial installation that can reduce chances of failure over time.
Many of these steps may take a few extra minutes to do at the time of installation; however, they can
also save many headaches in the future. Enovation Controls strongly recommends that these
precautionary steps are followed.
Diodes
Place suppression diodes across all inductive loads. These loads typically include pilot relays, solenoid
valves, starter solenoids, etc. This helps increase contact life and eliminates a source of electrical
interference.
Wire power leads directly to battery Post.
This helps minimize noise generated from battery chargers and alternators, and voltage drop during
cranking.
Pilot excessive loads
Many of the outputs on the EMS PRO Controller are rated for low current, control type loads. Do not
run high current loads directly to the controller.
Use stranded wire for hookup
Solid wire transmits vibration and is more likely to crystallize and break when it is subjected to
movement.
Separate AC and DC wiring.
Never run AC and DC handling wiring together. AC signals may get coupled into the control circuits
leading to erratic operation.
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