Setra Systems 526 User manual

Installation Guide

MODELS 522 / 526

Pressure Transducers

560550-0087

Rev A

1-800-257-3872 TOLL FREE

1-978-264-0292 FAX

www.Setra.com Web Site

Setra offers a complete line of

products for these industries:

Industrial

HVAC

Test & Measurement

Barometric

Ultra High Purity / Sanitary

Please Note:Series 522 / 526 are designed and manufactured in accordance with sound engineering

practice as defined by the Pressure Equipment Directive 97/23/EC. This product must not be used as a

“safety accessory” as defined by the Pressure Equipment Directive, Article 1, Paragraph 2.1.3. The CE

Mark on the unit does not relate to the Pressure Equipment Directive.

INTRODUCTION

The Series 522 / 526 pressure transducers use molecularly bonded high output strain gauges to provide

100mV output for full range pressure, when used with a 10V d.c. power supply.

Series 522 / 526 high output pressure transducers and transmitters are fitted with an ASIC providing

various optional (at time of order) voltage outputs, and a 4-20mA current output capable of being used

in control and indicating loops without further amplification.

Series 522 / 526 with the CE Mark conform with the essential protection requirements of the EMC

Directive 89/33/EEC amended by certified type testing to EN 50082-2 and EN 50081-1.

HAZARDOUS PRODUCTS

The Consumer Protection Act of 1987, Section 6 of the Heath and Safety at Work Act 1974 and the

Control of Substances Hazardous to Health Regulations 1988 require that we advise recipients and

users of our products of any potential hazards associated with their storage, handling or use.

The products which our Company supplies may be classified as Electrical, Electro-Mechanical and

Electronic equipment.

These products are tested and supplied in accordance with our published specifications or individual

special requirements that are agreed in writing at time of order. They are constructed so as not to affect

adversely the safety of persons and property when properly installed, maintained and used by qualified

personnel, in the applications for which they were designed and manufactured.

Conformity with the requirements of the CE mark only applies when the installation

conditions described in these instructions have been met. For units supplied without

a cable assembly connection to the transducer must be accomplished using Setra

Systems approved cable. See APPROVED CABLE section.

GENERAL

*Transducer should not be subjected to greater than the maximum allowable pressure

listed on label and the following operating temperature specifications:

Compensated Temperature Range: -5°F to +180°F (-20°C to +80°C)

Operable Temperature Range:

Electrical Connection Code E1 -40° to +260°F (-40°C to +125°C)

Electrical Connection Code N1 -5°F to +180°F (-20°C to +80°C)

Electrical Connection Code NA -5°F to +125°F (-20°C to +50°C)

*Transducer should not be subjected to mechanical impact.

*In the event of fire the end user must ensure that the system pressure is vented to a safe

area.

*The effects of decomposition of unstable fluids should be considered by the user when

placing this device in service.

*The pressure transducer has no means of draining or venting, this must be performed by

another component in the end users system.

*Pressure range must be compatible with the maximum pressure being measured.

*Pressure media must be compatible with the transducer/transmitter wetted parts listed in

these instructions.

*Liquid must not be allowed to freeze in the pressure port.

*The gasket must be fitted under the electrical connector.

MECHANICAL INSTALLATION

Mounting: Pressure Transducer is designed to be attached by the coupling thread only. Omni-

directional, self supported directly into the pipework. Use a 19mm AF (3/4") wrench on the hexagon

provided to apply a maximum torque of 11.6 lb.ft (15.8Nm). The Customer must ensure that the

pressure seal is suitable for the application. If in doubt contact Setra Systems.

ELECTRICAL INSTALLATION

All types with the CE Mark include suppression devices providing transient protection to EN 61000-4-2

and EN 61000-4-4. Conformity with the requirements of the CE mark only applies when connection is

made with Setra Systems approved cable, see APPROVED CABLE section, and is connected as

shown below:-

Millivolt Output Transducers: Four wire shielded cable should be used with the cable shield

connected to the instrumentation ground. The cable shield should not be connected to the transducer

body.

High Output Transducers: The shield of the cable must be grounded at the instrumentation end. If

a ‘ground loop’ problem is encountered when the body of the unit is grounded by the piping it is

permissible to remove the cable shield from the instrumentation ground.

APPROVED CABLE

Setra Systems uses cables comprising 2, 3 or 4 color-coded wires, enclosed by an aluminised polyester

shield where the shield is in contact with a separate drain wire. The outer shield is chrome PVC and

overall diameter is approximately 0.20in.

OPERATION

Having installed the transducer as instructed, it is ready for use. The transducer should not be removed

while the system is at pressure. Before applying power, check that the correct polarity and excitation

levels are being applied. See Table 1 for electrical connections.

CALIBRATION

Transducers are calibrated at time of order:

Code A Absolute datum

Code G Gauge datum vented to atmosphere via the electrical connector or cable

Code C Compound datum

LOAD CHARACTERISTICS (4-20mA Current Output)

The total resistive load in the loop (to include all the cable resistance) can be from 'zero to 50 x (supply

volts -7) ohms' e.g. with a 24V d.c. supply the permissible load is from zero up to 850 ohms.

OPERATIONAL LIFE

Limited to 100M cycles to maximum allowable pressure.

WARRANTY

We guarantee this instrument against faulty workmanship and material for a period of two years from

date of delivery. The Company undertake to repair, free of charge, ex-works any instrument found to

be defective within the specified period providing the instrument has been used within the specification in

accordance with these instructions and has not been misused in any way.

Detailed notice of such defects and satisfactory proof thereof must be given to the Company immediately

after the discovery and the goods are to be returned free of charge to the Company, carefully packed

and accompanied by a detailed failure report. See "RETURN TO FACTORY".

WETTED PARTS

316 and 17-4 PH stainless steel plus Nickel Braze to BS1845 : NK3/HTN2.

SERVICING

The transducer cannot be repaired locally and if damaged should be returned to Setra Systems with the

following:-

1. Name and phone number of person to contact

2. Shipping and billing information

3. Full description of malfunction

4. Remove any pressure fittings and plumbing that you may have installed and enclose any required

mating electrical connectors and wiring diagrams.

Please ship prepaid to Setra Systems at the address shown below to to your local Setra Distributor

when a replacement/repair is required:

United States Outside The United States

Setra Systems Inc contact your local Setra Distributor

159 Swanson Road

Boxborough, MA 01719

Attn: Repair Department

RETURN TO FACTORY

PLEASE NOTE: To comply with Health and Safety requirements, the instrument must be clean and

safe to handle and accompanied by a formal statement to that effect duly signed by an authorised officer

of the Company.

Any instrument returned without certification will be quarantined and no action will occur until cleared. It

may ultimately be returned to you and subject to a transportation charge.

MAINTENANCE

Routine Inspection: Not required except for periodic inspection of the cable and connector to

ensure that these are neither damaged nor softened by incompatible liquid.

TABLE 1

CONNECTIONS 522 / 526 SERIES

TYPE

NUMBER CE CONNECTOR mV 4-20mA VOLTAGE

IN+ OUT+ OUT- IN- EARTH IN+ IN- EARTH IN+ COM OUT+ EARTH

522BP-E1 YES MINI DIN STYLE 12 3E

522BP-NA YES CABLE WEATHER PROOF RYBL G

S22BP-N1 YES CABLE USA RWGBK

522BP-E1 YES MINI DIN STYLE 1 2 E1 2 3 E

522XX-NA YES CABLE WEATHER PROOF RBK DRAIN RBK WDRAIN

522XX-N1 YES CABLE USA RBK DRAIN RBK WDRAIN

526BP-B1 YES 8-4P AB C D

526BP-C2 YES 10-6P AB C D

526BP-E2 YES LARGE DIN 12 3E

526BP-UA YES MOLDED IMMERSIBLE RYBWDRAIN

526BP-A2 YES CONDUIT LEADS RWGBK

526XX-B1 YES 8-4P ABD A C B D

526XX-B3 YES 10-6P ABEAC B E

526XX-C2 YES LARGE DIN 1 2 E1 2 3 E

526XX-UA YES MOLDED IMMERSIBLE RBL DRAIN RWYDRAIN

526XX-A1 YES CONDUIT LEADS RBK GRBK WG

OUTPUT SUPPLY VOLTAGE OUTPUT SUPPLY VOLTAGE

BP 0 to100mV 10V d.c. 27 1 to 5V 6.5 to 35V d.c.

11 4 to20mA 7 to 35V d.c 24 0.5 to 5.5V 7 to 35V d.c.

28 1 to 6V 7.5 to 35V d.c 2B 0 to 5V 6.5 to 35V d.c.

2R 1 to 11V 12.5 to 35V d.c 2C 0 to 10V 11.5 to 35V d.c.

159 Swanson Road, Boxborough, MA 01719-1304

Tel: 800-257-3872 / 978-263-1400

OP522/526 Rev A 11/03

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