User`s manual
Safety Information
We use note, caution and warning symbols through-
out this book to draw your attention to important
operational and safety information.
A “NOTE” marks a short message to alert you to
an important detail.
A “CAUTION” safety alert appears with informa-
tion that is important for protecting your equip-
ment and performance. Be especially careful to
read and follow all cautions that apply to your
application.
A “WARNING” safety alert appears with infor-
mation that is important for protecting you, oth-
ers and equipment from damage. Pay very close
attention to all warnings that apply to your
application.
The safety alert symbol,
ç
(an exclamation
point in a triangle) precedes a general CAUTION
or WARNING statement.
The electrical hazard symbol,
Ó
(a lightning bolt
in a triangle) precedes an electric shock hazard
CAUTION or WARNING safety statement.
ç CAUTION or WARNING
Ó Electrical Shock Hazard
CAUTION or WARNING
Warranty
The EZ-ZONE™ PM is manufactured by ISO 9001-
registered processes and is backed by a three-year
warranty to the first purchaser for use, providing
that the units have not been misapplied. Since Wat-
low has no control over their use, and sometimes
misuse, we cannot guarantee against failure. Wat-
low’s obligations hereunder, 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 warranty period specified. This
warranty does not apply to damage resulting from
transportation, alteration, misuse or abuse. The pur-
chaser must use Watlow parts to maintain all listed
ratings.
Technical Assistance
If you encounter a problem with your Watlow control-
ler, review your configuration information to verify
that your selections are consistent with your applica-
tion: inputs, outputs, alarms, limits, etc. If the prob-
lem persists, you can get technical assistance from
your local Watlow representative (see back cover), by
e-mailing your questions to wintechsupport@watlow.
com or by dialing +1 (507) 494-5656 between 7 a.m.
and 5 p.m., Central Standard Time (CST). Ask for for
an Applications Engineer. Please have the following
information available when calling:
• Complete model number
• All configuration information
• User’s Manual
• Factory Page
Return Material Authorization (RMA)
1. Call Watlow Customer Service, (507) 454-5300,
for a Return Material Authorization (RMA) num-
ber before returning any item for repair. If you
do not know why the product failed, contact an
Application Engineer or Product Manager. All
RMA’s require:
• Ship-to address
• Bill-to address
• Contact name
• Phone number
• Method of return shipment
• Your P.O. number
• Detailed description of the problem
• Any special instructions
• Name and phone number of person returning
the product.
2. Prior approval and an RMA number from the
Customer Service Department is required when
returning any product for credit, repair or evalu-
ation. Make sure the RMA number is on the out-
side of the carton and on all paperwork returned.
Ship on a Freight Prepaid basis.
3. After we receive your return, we will examine it
and try to verify the reason for returning it.
4. In cases of manufacturing defect, we will enter a
repair order, replacement order or issue credit for
material returned. In cases of customer mis-use,
we will provide repair costs and request a pur-
chase order to proceed with the repair work.
5. To return products that are not defective, goods
must be be in new condition, in the original boxes
and they must be returned within 120 days of
receipt. A 20 percent restocking charge is applied
for all returned stock controls and accessories.
6. If the unit is unrepairable, you will receive a
letter of explanation. and be given the option to
have the unit returned to you at your expense or
to have us scrap the unit.
7. Watlow reserves the right to charge for no trou-
ble found (NTF) returns.
The EZ-ZONE™ PM User’s Manual is copyrighted by
Watlow Winona, Inc., © March 2007 with all rights
reserved.
EZ-ZONE™ PM is covered by U.S. Patent No.
6,005,577 and Patents Pending










