VersaPro Temperature Controller
Page 7
Copyright © 2013, United Process Controls Inc.
All rights to copy, reproduce and transmit are reserved
1.
Safety and Environment Information
Please read this section carefully before installing the controller
This instrument is intended for industrial applications used in conjunction with Marathon Monitors zirconia
oxygen sensors and standard thermocouple types. It is assumed that any installation meets either CE
standards for industrial safety or NEC standard wiring practices. Failure to observe these standards or the
installation instructions in this manual may degrade the safety or electrical noise protection provided by this
instrument. It is the installer’s responsibility to ensure the safety and electrical noise compatibility of any
installation.
1.1
Service and repair
This controller has user replaceable fuses but no other user serviceable parts. Contact your Marathon
Monitors Service (800-547-1055) for repair.
Caution
: Charged capacitors
Before removing an instrument from its case, disconnect the supply and wait at least two minutes to allow
capacitors to discharge. Failure to observe this precaution will expose capacitors that may be charged with
hazardous voltages. In any case, avoid touching the exposed electronics of an instrument when withdrawing it
from the case.
Electrostatic Discharge (ESD) Precautions
When the controller is removed from its case, some of the exposed electronic components are vulnerable to
damage by electrostatic discharge. Anyone who is not probably ground using an ESD wrist strap or in contact
with a ground while handling the controller may damage exposed electronic components.
2.
Installation Safety Requirements
2.1 Safety
Symbol
Various symbols are used on the instrument, they have the following meaning:
Caution, (refer to the
accompanying documents)
Functional earth
(ground) terminal
!
The functional earth connection is required for safety ground add to ground RFI filters.
2.2 Personnel
Installation must be carried out by qualified personnel.