Precision Control Systems ExtrudeIR 4069E - Manual (Page 8)

Model 4069E ExtrudeIR TM Instruction Manual Introduction
Research, Inc. Page 4 of 26
CAUTION! Observe all
applicable local and national
electrical codes and ensure
that a safe electrical ground
system is installed before
attempting to operate the
heater. Refer to the Section 5
for proper installation
procedures.
WARNING!
ALWAYS disconnect the
external power lines prior to
servicing the heater.
ALWAYS disconnect the
power lines AND any
optional interlock circuits
before installing or changing
lamps.
NEVER operate the heater
with end covers removed.