Curtis 1220 Manual, Rev. C
3
Robust Reliability
3 Intelligent thermal cutback and overvoltage/undervoltage
protection functions maintain steering while reducing traction
speed until severe over/under limits are reached.
3 Standard Mini-Fit Molex Jr. and Faston terminals provide
proven, robust wiring connections.
3
Electronics sealed to IP65.
3 Reverse polarity protection on battery connections.
3 Inputs protected against shorts to B+ and B-.
Familiarity with your Curtis controller will help you install and operate it prop-
erly. We encourage you to read this manual carefully. If you have questions,
please contact your local Curtis representative.
Working on electrical systems is potentially dangerous. Protect yourself against
uncontrolled operation, high current arcs, and outgassing from lead acid batteries:
UNCONTROLLED OPERATION — Some conditions could cause the motor 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 — Batteries can supply very high power, and arcing can occur if
they are short circuited. Always open the battery circuit before working on the motor
control circuit. 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 recom-
mendations. Wear safety glasses.
+
CAUTION
1 — OVERVIEW
e Curtis Model 1220 does not satisfy EN1175-1:1998+A1:2010 Article 5.9.6
as it is not a Category 3 device under EN ISO13849-1:2008. It should not be
used on any vehicle within the scope of Machinery Directive 2006/42/EC that
will be operated within the European Economic Area (EEA).
+
CAUTION
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