Watlow PPC-2000 - Manual (Page 34)

Chapter 1: Overview PPC-2000 User’s Guide
10 Watlow Anafaze Doc.# 30002-00 Rev 2.3
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WARNING! Power, input or output circuits with hazardous
voltage levels should not have any live accessible
parts.
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WARNING! In any application, failures can occur. These failures
can result in full control output (100% power), or the
occurrence of other output failures which can cause
damage to the controller, or to the equipment or
process connected to the controller. Therefore,
always follow good engineering practices, electrical
codes, and insurance regulations when installing and
operating this equipment.
External Safety Devices
External safety devices should be used to prevent potentially
dangerous and unsafe conditions upon equipment failure.
Always assume that this device can fail with outputs full-on, or
full-off, by the occurrence of an unexpected external condition.
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WARNING! Always install high or low temperature protection in
installations where an over-temperature or under-
temperature fault will present a potential hazard.
Failure to install external protection devices where
hazards exist can result in damage to equipment and
property as well as loss of human life.
Contact Watlow Anafaze immediately if you have any
questions about system safety or system operation.
CAUTION: This product is intended for indoor use only.