0600-0066-0000 Rev. E
Made in the U.S.A.
April 2013
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EZ-ZONE
®
PM Express
User's Guide
Registered Company
Winona, Minnesota USA
ISO 9001
TOTAL
3 Year Warranty
CUSTOMER
SATISFACTION
Limit Controller
1241 Bundy Boulevard., Winona, Minnesota USA 55987
Phone: +1 (507) 454-5300, Fax: +1 (507) 452-4507 http://www.watlow.com
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RESET
RESET
RESET
Safety Information
We use note, caution and warning symbols throughout
this book to draw your attention to important opera-
tional and safety information.
A “NOTE” marks a short message to alert you to an
important detail.
A “CAUTION” safety alert appears with information
that is important for protecting your equipment and
performance. Be especially careful to read and follow
all cautions that apply to your application.
A “WARNING” safety alert appears with informa-
tion that is important for protecting you, others and
equipment from damage. Pay very close attention to
all warnings that apply to your application.
The electrical hazard symbol,
(a lightning bolt in a
triangle) precedes an electric shock hazard CAUTION
or WARNING safety statement. Further explanations
follow:
Symbol
Explanation
CAUTION – Warning or Hazard
that needs further explanation
than label on unit can provide.
Consult users manual for further
information.
ESD Sensitive product, use proper
grounding and handling techniques
when installing or servicing
product.
Unit protected by double/rein-
forced insulation for shock hazard
prevention.
Do not throw in trash, use proper
recycling techniques or consult
manufacturer for proper disposal.
Unit can be powered with either
alternating current (ac) voltage or
direct current (dc) voltage.
Unit is a Listed device per Un-
derwriters Laboratories®. It has
been evaluated to United States
and Canadian requirements for
Process Control Equipment. UL
61010 and CSA C22.2 No. 61010.
File E185611 QUYX, QUYX7. See:
www.ul.com
Unit is compliant with European
Union directives. See Declaration
of Conformity for further details on
Directives and Standards used for
Compliance.
Unit has been reviewed and
approved by Factory Mutual as a
Temperature Limit Device per FM
Class 3545 standard. See:
www.
fmglobal.com
Unit has been reviewed and
approved by CSA International for
use as Temperature Indicating-
Regulating Equipment per CSA
C22.2 No. 24. See:
www.csa-
international.org
Warranty
This EZ-ZONE
®
PM is manufactured by ISO 9001 regis-
tered processes and is backed by a three year warranty
to the first purchaser for use, providing that the units
have not been misapplied. Watlow's obligations here-
under, at Watlow's option, are limited to replacement,
repair or refund of purchase price, and parts which
upon examination prove to be defective within the war-
ranty period specified. This warranty does not apply
to damage resulting from transportation, alteration,
misuse or abuse. The purchaser must use Watlow parts
to maintain all listed ratings.
Technical Assistance
You can get assistance from your local Watlow rep-
resentative (see back cover), send an email with your
questions to: [email protected] or dial +1
(507) 494-5656 between 7 a.m. and 5 p.m. Central
Standard Time (CST) and ask for an Applications En-
gineer. Please have the following information available
when calling:
• Complete model number
• All configuration information
• User's Manual
• Factory Page
The EZ-ZONE PM Controller User’s Guide is copyrighted
by Watlow Electric, Inc., © April 2013 with all rights
reserved. The EZ-ZONE PM is covered by U.S. Patent
No. 6,005,577 and Patents Pending
Product Overview
The EZ-ZONE PM Express single loop Limit controller is
available in 1/4, 8
th
, 16
th
or 32
nd
DIN panel-mount pack-
ages. Ordering options include high or low voltage units
with up to two outputs.
Installation and Wiring
Dimensions 1/16 DIN (PM6)
1/16 DIN (PM6) Recommended Panel Spacing
1/32 DIN (PM3) Recommended Panel Spacing
21.6 mm
(0.85 in)
minimum
21.6 mm
(0.85 in)
21.5 mm
(0.85 in)
21.6 mm
(0.85 in)
minimum
panel thickness 1.53 to 9.52 mm
(0.060 to 0.375 in)
Side
Front
Top
Dimensions 1/32 DIN (PM3)
15.9 mm
(0.63 in)
101.6 mm
(4.00 in)
31.2 mm
(1.23 in)
53.3 mm
(2.10 in)
30.9 mm
(1.22 in)
Side
Front
Top
15.8 mm
(0.62 in) 101.6 mm
(4.00 in)
51.2 mm
(2.02 in)
53.3 mm
(2.10 in)
53.3 mm
(2.10 in)
22.2 to 22.5 mm
(0.87 to 0.89 in)
44.96 to 45.47 mm
(1.77 to 1.79 in)
44.96 to 45.47 mm
(1.77 to 1.79 in)
44.96 to 45.47 mm
(1.77 to 1.79 in)