Viatran 553 Manuale di installazione e d'uso
1
98MANAL553 Rev. D
INSTALLATION DATA MANUAL
MODEL 553
PRESSURE TRANSMITTER
199 Fire Tower Drive
Tonawanda, NY 14150
Int’l: 1-716-629-3800
Toll Free: 1-800-688-0030
Fax: 1-716-693-9162
www.viatran.com
2
98MANAL553 Rev. D
COMPANY BACKGROUND
Viatran is an ISO 9001:2008 certified company committed to providing high quality pressure transducers and transmitters.
Established more than 40 years ago, Viatran has built its reputation on providing durable, and accurate pressure sensing
devices. Our products are often specifically specified by integrators and engineering firms for applications ranging from
the offshore oil rigs to pump control to tank and well level measurement. Viatran is often called on for custom
modifications for applications where standard products are not available.
TECHNICAL SUPPORT
Technical assistance is available Monday-Friday 8:00 AM to 5:00 PM (Eastern) from our knowledgeable factory personnel
to answer any of your application or installation questions. Our toll free number is
1-800-688-0030. Questions or additional documentation can also be requested via e-mail at solutions@viatran.com.
CUSTOMER SERVICE
Orders for additional units or accessories can be placed by calling customer service at 1-800-688-0030 or by fax at 1-
716-693-9162. Orders can also be placed by contacting a local representative in your area. To find the nearest
representative visit our web site at www.viatran.com and click on rep search.
PRODUCT OVERVIEW
MANUAL SCOPE: Information contained in this document is representative of a standard Model 553. If the product has
special requirements or modifications, refer to the permanently marked information on the product and your purchase
order for possible alteration to the product's configuration. Failure to verify product configuration before installation may
cause permanent product damage and in most cases, void the manufacturer's product warranty. If you are unsure or
have questions about your product, please contact your Application Engineer (1-800-688-0030) for assistance.
Remove and retain all enclosed instruction manuals and performance certificates. These documents provide important
information on the product's calibration, operation, safety precautions, recommended maintenance, re-calibration
requirements, repair service instructions and warranty information. These documents are updated from time to time as
changes to the product occur and should be reviewed at receipt so that proper and safe installation can occur.
PRODUCT DESCRIPTION AND GENERAL USE: Viatran's model 553 uses a 17-4 pH stainless steel strain gage
diaphragm sensor (Inconel X750 optional). The 553 is designed to measure process pressures in applications compatible
with 17-4 pH stainless steel. The 553 has a standard output of 4-20 mA. The standard electrical connection are 3' pigtail
leads potted in a ½" NPT male conduit connection which can be easily connected inside a conduit connection box. Model
553 is approved by FM as non-incendive and intrinsically safe. Viatran provides many standard options including
alternate connectors to custom fit your unit. The 553 is specially designed for the pulp and paper industry.
BASIC OPERATION
The Model 553 is pre-set at the factory for the required output and is referenced to local atmospheric pressure for sealed
gage units. Once factory set, the product should perform as indicated by the performance certificate and product labeling.
Any deviation from the factory settings could indicate damage to the sensor, electronics or both. All units are sent with a
calibration card that contains the unique calibration for your Viatran unit. Please retain this sheet; should the zero or span
reading vary greatly from the calibration card it may indicate damage to the sensor.
HANDLING REQUIREMENTS AND CAUTIONS
1. All electrical & pressure connections should be compatible with the model specifications as outlined.
2. The product's internal electrical circuitry is DC isolated from case ground. It is recommended that the case ground
wire be connected to earth ground at the cable termination, as this is an integral part of the internal surge protection
and noise immunity features.
3. At no time should an object be pressed against the sensing area to deflect the sensor (to test or simulate pressure),
as on some models permanent damage to the sensing diaphragm may occur.
4. When shipped in quantities, units should be packaged individually to eliminate possible damage.
3
98MANAL553 Rev. D
4
98MANAL553 Rev. D
MECHANICAL INSTALLATION
The model 553 is mounted in a 1 inch PMC process connection. The unit may be mounted directly to the process fitting in
any orientation with negligible positioning error. To mount the unit, first lubricate the o-ring with light oil or other
acceptable lubricant. The medium to be measured may also be used. Align the mounting hole with the hole in the nipple
adapter. Insert the 5/16-24 bolt into the hole and tighten to 120 - 140in./lb.
ELECTRICAL CONNECTIONS
The standard wiring of your Viatran pressure transmitter is outlined on page 3. If your unit was ordered with an alternate
connector or special wiring refer to the wiring information permanently marked on your unit. The 553 transmitter can be
powered by a dc power supply ranging from 12 to 30 volts. With a 4-20 mA device please refer to the load/voltage chart
(below) to identify the required input voltage for your specific system load.
MAINTENANCE AND REPAIR
All Viatran transmitters have been designed to function free from routine or scheduled maintenance. Simple cleaning of
the pressure sensor on an as needed basis will provide many years of satisfactory performance. Protecting the product
from continued exposure to moisture or fluids at the electrical connection will eliminate premature internal failure of the
product. Generally any time the product is removed from service, the pressure sensor should be flushed with a stainless
steel compatible cleaner to prevent media buildup. During the cleaning process only a soft, lint-free cloth is recommend-
ed. Never use a coarse or stiff bristle brush to clean media from the diaphragm surface.
It is suggested that the calibration be verified on a usage dependent schedule. If the product is in continuous service 7
days a week, then calibration verification may be necessary every 6 to 8 months. If the product is in a lab test environ-
ment, a more lenient verification schedule would be appropriate. In all instances the performance of the product will
depend on the individual application or process in which it is installed. More continuous usage would require a shorter
period between calibration verification and product maintenance.
If a product is perceived to be exhibiting problems, it can be returned to Viatran for analysis and/or repair. It is suggested
that only Viatran personnel attempt repair of the product. Any damage resulting from customer disassembly would result
in a loss of coverage under the warranty policy. Older products returned for repair are updated to current specifications
unless the repair cost would outweigh the cost of a new replacement model. Products returned for repair should include
information on the person to contact for repair quote approval, the individual to contact if Viatran's technical staff requires
additional information during analysis, and a brief description of the problem associated with the product's failure.
REPAIR INSTRUCTIONS
Viatran's Transmitters are designed to be easily repaired and recalibrated if necessary. If a failure occurs, the transmitter
should be returned to the factory for inspection and testing. Please contact the Customer Support Department at 1-800-
688-0030, for a return authorization number and/or a repair cost estimate. A nominal inspection fee is charged on all units
returned to the factory which are not subsequently repaired.
WARRANTY
Viatran Corporation warrants that its products shall be free from defective workmanship and/or material for a period of
twelve (12) months from the date of shipment, provided that Viatran's obligation hereunder shall be limited to correcting
any defective workmanship and/or replacing any defective material f.o.b. factory. No allowance will be made for any
expense incurred for correcting any defective workmanship and/or material without written consent by Viatran. This war-
ranty is in lieu of all other warranties expressed or implied.
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98MANAL553 Rev. D
T5, Ta=40°C NEMA/TYPE 4X, HAZ. LOC.
CLASS I, ZONE 0, AEx ia IIC T4, Ta=80°C,
CLASS I,II,III, DIV. 1, GROUPS A,B,C,D,E,F,G
INTRINSICALLY SAFE FOR USE IN
DUAL SEAL for Process Temps -40°F to 300°F
INSTALL PER CD0667
T5, Ta=40°C NEMA/TYPE 4X, HAZ. LOC.
CLASS I, ZONE 0, AEx ia IIC T4, Ta=80°C,
CLASS I,II,III, DIV. 1, GROUPS A,B,C,D,E,F,G
INTRINSICALLY SAFE FOR USE IN
INSTALL PER CD0667
INTRINSICALLY SAFE FOR USE IN
CLASS I, DIV. 1, GROUPS A,B,C,D,
CLASS I, ZONE 0, AEx ia IIC T4, Ta=80°C,
T5, Ta=40°C HAZARDOUS LOCATIONS
INSTALL PER CD0667
[All product >300 PSIS]
553TF(A)
[All product <299 PSIS]
553TF(B)
[All alternate
electrical connections]
553TF(C)
Ex ia IIC T4 Ga
(-20°C < Ta < 40°C)
Ui=28V, Ii=100mA, Pi<1W
Ci=6,0nF, Li=1,2uH
LCIE 03 ATEX 6373 X
0575
II 1 G
553NK(A)
NONINCENDIVE FOR USE IN
[All product >300 PSIS]
GRPS A,B,C,D,F,G
NEMA/TYPE 4X, HAZ LOC
T4, Ta=80°C, T5, Ta=40°C
CLASS I, II & III, DIV. 2,
CL I, ZN 2, GRP IIC
for Process Temps -40°F to 300°F
DUAL SEAL
553NZ(A)
NONINCENDIVE FOR USE IN
CL I, ZN 2, GRP IIC
GRPS A,B,C,D,F,G
CLASS I, II & III, DIV. 2,
NEMA/TYPE 4X, HAZ LOC
T4, Ta=80°C, T5, Ta=40°C
[All product <299 PSIS]
553NZ(B)
NONINCENDIVE FOR USE IN
T4, Ta=80°C, T5, Ta=40°C HAZ LOC
CL I, ZN 2, GRP IIC
CLASS I, DIV. 2, GRPS A,B,C,D
[ZU option only]
553NZ(C)
APPROVED APPROVED APPROVED
APPROVED APPROVED APPROVED
[WITH WIRE]
Ex ia IIC T4 Ga
(-20°C < Ta < 40°C)
Ui=28V, Ii=100mA, Pi<1W
Ci=0,1uF, Li=0,1mH
LCIE 03 ATEX 6373 X
0575
II 1 G
553NK(B)
[WITH CABLE]
OPTIONAL CERTIFICATIONS
SPECIAL CONDITIONS FOR USE
Certificate Type Special Instruction
LCIE03ATEX6373X‐03 ATEXIntrinsicallySafe
Theequipmentmustonlybeconnectedtocertified
intrinsicallysafeequipment.Thiscombinationmustbe
compatibleasregardsintrinsicsafetyuse
199FireTowerDrive
Tonawanda,NY14150
TollFree:1‐800‐688‐0030
International:716‐629‐3800
Fax:716‐693‐9162
www.viatran.com
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