Curtis 1243GEN2 Manual
5
2 — INSTALLATION & WIRING:
Controller
The mounting surface must be at least a 300×300×3 mm (12"×12"×1/8")
aluminum plate, or its equivalent, and subjected to a minimum 3 mph airflow
to meet the specified time/current ratings. Although not usually necessary, a
thermal joint compound can be used to improve heat conduction from the
controller heatsink to the mounting surface.
You will need to take steps during the design and development of your
end product to ensure that its EMC performance complies with applicable
regulations; suggestions are presented in Appendix A.
The 1243GEN2 controller contains ESD-sensitive components. Use
appropriate precautions in connecting, disconnecting, and handling the con-
troller. See installation suggestions in Appendix A for protecting the controller
from ESD damage.
Working on electric vehicles is potentially dangerous. You should
protect yourself against runaways, high current arcs, and outgassing from
lead acid batteries:
RUNAWAYS — Some conditions could cause the vehicle to run out of
control. Disconnect the motor or jack up the vehicle and get the drive
wheels off the ground before attempting any work on the motor control
circuitry.
HIGH CURRENT ARCS — Electric vehicle batteries can supply very high
power, and arcs can occur if they are short circuited. Always open the
battery circuit before working on the motor control circuitry. Wear safety
glasses, and use properly insulated tools to prevent shorts.
LEAD ACID BATTERIES — Charging or discharging generates hydrogen gas,
which can build up in and around the batteries. Follow the battery
manufacturer’s safety recommendations.
Wear safety glasses.
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