Onicon FT-4600 Operating instructions

CON

Flow and Ener

Measurement

FT-4600

INLINE ULTRASONIC FLOW METER

Installation and Operation Guide

DOC-0005361 Rev.A

FT-4600 INLINE ULTRASONIC FLOW METER

ONICON Incorporated 727.447.6140 Page 2 onicon.com

SAFETY INFORMATION

The FT-4600 meter was calibrated at the factory before shipment. To ensure correct use of the meter, please read this

manual thoroughly.

Regarding this manual:

• This manual should be passed on to the end user.

• Before use, read this manual thoroughly to comprehend its contents.

• The contents of this manual may be changed without prior notice.

permission.

• ONICON makes no warranty of any kind with regard to this material, including, but not limited to, implied warranties

of merchantability and suitability for a particular purpose.

• All reasonable eﬀort has been made to ensure the accuracy of the contents of this manual. However, if any errors are

found, please inform ONICON Incorporated.

• ONICON assumes no responsibilities for this product except as stated in the warranty.

• If the customer or any third party is harmed by the use of this product, ONICON assumes no responsibility for any

such harm owing to any defects in the product which were not predictable, or for any indirect damages.

SAFETY PRECAUTIONS:

The following general safety precautions must be observed during all phases of installation, operation, service, and repair

of this product. Failure to comply with these precautions or with speciﬁc WARNINGS given elsewhere in this manual

violates safety standards of design, manufacture, and intended use of the product. ONICON assumes no liability for the

customer’s failure to comply with these requirements. If this product is used in a manner not speciﬁed in this manual, the

protection provided by this product may be impaired.

The following messages are used in this manual:

WARNING

Messages identiﬁed as “WARNING” contain information regarding the personal safety of individuals involved in

the installation, operation or service of this product.

CAUTION

Messages identiﬁed as “CAUTION” contain information regarding potential damage to the product or other

ancillary products.

IMPORTANT NOTE

Messages identiﬁed as “IMPORTANT NOTE” contain information critical to the proper operation of the product.

FT-4600 INLINE ULTRASONIC FLOW METER

ONICON Incorporated 727.447.6140 Page 3 onicon.com

TABLE OF CONTENTS

SECTION 1.0 GENERAL INFORMATION ................................................................................................................. 4

1.1 PURPOSE OF THIS MANUAL......................................................................................................................................................4

1.2 TYPICAL FT-4600 FLOW METER................................................................................................................................................4

1.3 STANDARD FEATURES AND SPECIFICATIONS..................................................................................................................4

1.4 WORKING ENVIRONMENT.........................................................................................................................................................6

1.5 SERIAL NUMBER ..............................................................................................................................................................................6

SECTION 2.0 UNPACKING ....................................................................................................................................... 6

2.1 CHECKING THAT YOU HAVE RECEIVED EVERYTHING ..................................................................................................6

SECTION 3.0 INSTALLATION.................................................................................................................................... 7

3.1 SITE SELECTION ...............................................................................................................................................................................7

3.2 INSTALLING THE FLOW METER ................................................................................................................................................8

3.3 POWER & SIGNAL WIRING CONNECTIONS ...................................................................................................................13

SECTION 4.0 INSTALLATION.................................................................................................................................. 14

4.1 FLOW SIMULATION.....................................................................................................................................................................14

4.2 LED STATUS .....................................................................................................................................................................................14

FT-4600 INLINE ULTRASONIC FLOW METER

ONICON Incorporated 727.447.6140 Page 4 onicon.com

SECTION 1.0 GENERAL INFORMATION

1.1 PURPOSE OF THIS MANUAL

1.2 TYPICAL FT-4600 FLOW METER

We at ONICON Incorporated would like to thank you for purchasing our quality American made FT-4600 Inline Ultrasonic

Flow Meter. As our valued customer, our commitment to you is to provide fast reliable service, while continuing to oﬀer

quality products to meet your growing ﬂow measurement needs.

The purpose of this guide is to provide installation and commissioning procedures and basic operating and servicing

instructions for the blink version of the ONICON FT-4600 Flow Meter.

CAUTION

Only qualiﬁed service personnel should attempt to install or service this product. The improper installation or use

of this product may result in a loss of integrity in the piping system.

The FT-4600 Inline Flow Meter utilizes direct path wetted ultrasonic tranducers for measuring the volumetric ﬂow of

liquids in a wide variety of applications.

1.3 STANDARD FEATURES AND SPECIFICATIONS

• 4-20 mA output for ﬂow rate

• Scaled pulse output for totalization

• All weather NEMA4 enclosure

• ANSI/NSF 61 & 372 compliant

• LED alarm for meter diagnostics

• FCC: Part 15, Subpart B compliant

• EN 61326-1:203, EN 55011:2009 compliant

FT-4600 INLINE ULTRASONIC FLOW METER

ONICON Incorporated 727.447.6140 Page 5 onicon.com

*SPECIFICATIONS subject to change without notice.

1.3 STANDARD FEATURES AND SPECIFICATIONS (CONTINUTED)*

Meter Size Process

Connection Type

Typical Design

Flow

1% of Rate

Flow Range

2% of Rate

Flow Range

Minimum

Flow Cv

(Nominal) (Nominal) (gpm) (gpm) (gpm) (gpm) (gpm)

½” Male NPT 6.6 0.6 – 15 0.15 – 0.6 0.03 6.08

¾” Male NPT 6.6 0.6 – 15 0.15 – 0.6 0.03 6.08

¾” (high ﬂow) Male NPT 11 1 – 25 0.25 – 1 0.05 8.81

1” Male NPT 11 1 – 25 0.25 – 1 0.05 8.81

1” (high ﬂow) Male NPT 15.4 1.4 – 35 0.35 – 1.4 0.07 12.17

1¼" Male NPT 26.4 3 – 60 0.6 – 3 0.12 36.95

1½” Male NPT 44 5 – 100 1 – 5 0.2 51.20

2” Male NPT 66 8 – 150 1.5 – 8 0.3 101.2

2½” Class 150 Flange 110 12 - 225 2.5 - 12 0.5 156.2

ACCURACY ±1% of reading over 25:1 turndown

±2% of reading over 100:1 turndown

Repeatability: ≤± 0.2%

OVERALL FLOW RANGE 500:1 turndown

SENSING METHOD Direct beam path wetted ultrasonic sensors utilizing diﬀerential transit time velocity

measurement

METER SIZES ½ - 2½” nominal diameter

ELECTRONIC ENCLOSURE Polycarbonate NEMA4

FLOW BODY AND SENSOR MATERIAL Lead-free brass ﬂow body, (PPS) with 40% glass-reinforced transducer

PIPING SYSTEM CONNECTIONS Male NPT threads

2½” meter provided with ANSI Class 150 raised face ﬂanges

TEMPERATURE SENSORS 2-wire 1000Ωplatinum RTD

FLUID TEMPERATURE RANGE 0°F to 250°F

AMBIENT TEMPERATURE RANGE -13°F to 131°F

MAXIMUM OPERATING PRESSURE 400 psi

PRESSURE DROP Less than 1 psi at 4 ft/s, decreasing at lower velocities

POWER SUPPLY REQUIREMENTS 20-28V AC/DC; 50/60 Hz, 5 VA maximum

ANALOG OUTPUT Conﬁgurable as 4-20mA (non-isolated)

Optional 0-5 V or 0-10 V output

ISOLATED TOTALIZING SOLID STATE

CONTACT CLOSURE PULSE OUTPUTS

Contact ratings: 50mA, 30 VDC maximum

Contact Pulse duration: 1000 ms

FT-4600 INLINE ULTRASONIC FLOW METER

ONICON Incorporated 727.447.6140 Page 6 onicon.com

1.4 WORKING ENVIRONMENT

The on-display version of the FT-4600 was designed for indoor or outdoor installation and use in residential, commercial

and light industrial environments that are free of corrosive liquids and fumes, temperature extremes and excess vibration.

Avoid installing the meter in direct sunlight.

The operating ambient air temperature range is -13°F to 131°F. Electrical power should be relatively clean, free of excess

high frequency noise and large voltage transients.

1.5 SERIAL NUMBER

The serial number of your FT-4600 is located on the side of the enclosure. The serial number is a unique identiﬁer for the

product. Please have this number available when contacting ONICON for assistance.

SECTION 2.0 UNPACKING

2.1 CHECKING THAT YOU HAVE RECEIVED EVERYTHING

The FT-4600 is generally shipped in one package unless optional hardware or equipment is ordered. Notify the freight

carrier and ONICON if any items are damaged in transit.

The following items have been provided with your FT-4600 Flow Meter:

(2) Line size process connection meter couplings* with male NPT threads and sealing

gaskets (shipped attached to meter)

(1) FT-4600 Meter Certiﬁcate of Calibration

(1) FT-4600 Meter Quick Start Guide

Please notify ONICON if any of these items are missing.

* NOTE: The 2½” version of the meter is provided with ﬂanges.

FT-4600 INLINE ULTRASONIC FLOW METER

ONICON Incorporated 727.447.6140 Page 7 onicon.com

SECTION 3.0 INSTALLATION

3.1 SITE SELECTION

The FT-4600 Flow Meter should be installed by experienced plumbers, electricians, and others with related knowledge

and experience in the heating, cooling, and ﬂuid metering ﬁelds. ONICON technical support personnel are available via

telephone or e-mail to provide technical assistance before, during and after installation. The installer should use good

trade practices and must adhere to all applicable state and local building or other codes.

Careful attention to the site selection for the meter will help the installers with the initial installation, reduce start-up

problems, and make future maintenance easier. For example, do not install the meter where it will be diﬃcult for personnel

to perform periodic maintenance. When selecting a site, consider the criteria under Section 1.4: WORKING ENVIRONMENT,

as well as the information below.

The following limitations apply to the installation of the meter:

• The ﬂow meter must be correctly oriented with respect to the direction of ﬂow in the pipe. Meters installed with

reversed ﬂow will not function.

• The maximum operating pressure for the ﬂow meter is 400 psi.

• Do not install the meter in close proximity to strong sources of electromagnetic interference

(e.g. electric motors, VFD’s, ﬂuorescent light ﬁxtures, etc.)

Ubody Overall Dimensions

Size L Total L W H

½” 11.2” 7.48” 5.55” 4.50”

¾” 11.7” 7.48” 5.55” 4.50”

¾” high ﬂow 11.7” 7.48” 5.55” 4.50”

1” 12.3” 7.48” 5.55” 4.50”

1” high ﬂow 15” 10.23” 5.55” 4.65”

Crossﬁre Overall Dimensions

Size L Total L W H

1 ¼” 15.25” 10.20” 6.42” 4.92”

1 ½” 17.00” 11.80” 6.68” 5.00”

2” 17.60” 11.80” 7.09” 5.14”

2 ½” 11.81” 10.23” 9.25” 7.00”

TOP VIEW

SIDE VIEW

TOP VIEW

SIDE VIEW

FT-4600 INLINE ULTRASONIC FLOW METER

ONICON Incorporated 727.447.6140 Page 8 onicon.com

3.2 INSTALLING THE FLOW METER

A. This is a recommended position for the ﬂow meter.

B. This is a recommended position for the ﬂow meter.

C. Avoid installation locations where air can become trapped in the piping system, for example, meters

installed between two vertical runs, at a high elevation.

D. This is an acceptable installation location for closed loop pressurized systems.

E. Do not install the meter downstream of modulating valves or partially open valves. Fully open isolation

valves (e.g. ball valves) are OK.

F. Do not install the ﬂow sensor at the inlet of a pump. To prevent cavitation, the minimum operating

pressure at the inlet of the meter must always exceed the pressure drop across the meter. Refer to

Appendix A-1 for calculating pressure the drop at diﬀerent ﬂow rates.

G. Avoid installing the meter downstream of multiple bends out of plane with each other where there are

less than 10 diameters of straight unobstructed pipe between bends.

Before you install the meter, the entire piping system should be ﬂushed and free of debris. Please refer to the diagrams

below when selecting the installation location. Upstream straight unobstructed pipe requirements vary considerably

based on the nature of the upstream obstructions. As a general rule, ONICON recommends a minimum of 10 diameters of

straight unobstructed pipe whenever possible; keeping in mind that it is always recommended that the meter be located

with as much straight pipe upstream as possible.

STRAIGHT RUN REQUIREMENTS

1.UPDATE WITH OTHER METER TYPES? STEAM/GAS/ETC

Upstream Obstruction

Minimum Upstream Straight Run Required

(Pipe Diameters)

Meter Size

0.5 - 1.0" 1.25 - 2.5"

Single Elbow 0 0

Expander / Reducer 0 0

Coil, Upstream 3 3

Isolation Valve, 2 Position 3 5

Control Valve 10 15

Notes:

1 Straight run is based on use of manufacturer provided couplings

2 Avoid the following obstructions where possible: Modulating valves, pump

discharge, multiple elbows out of plane.

E & F

Flow Direction

FT-4600 INLINE ULTRASONIC FLOW METER

ONICON Incorporated 727.447.6140 Page 9 onicon.com

The ﬂow meter is installed with threaded meter couplings and ﬂat sealing gaskets as shown below. Orient the sensor body

by aligning the ﬂow direction arrow with the direction of ﬂow in the pipe.

Flow Direction

Retaining Nut SealCoupling

Model Meter Size Min.

Compression

Min. Turn Past

Initial Contact

Degrees of

Rotation

FT-4600-050 ½” 30% 1/2 180°

FT-4600-340 ¾” 30% 1/3 120°

FT-4600-341 ¾” 30% 1/3 120°

FT-4600-010 1” 30% 2/5 140°

FT-4600-011 1” 30% 2/5 140°

FT-4600-130 1¼” 30% 2/5 140°

FT-4600-150 1½” 30% 4/9 160°

FT-4600-200 2” 30% 1/2 180°

INSTALLING METER COUPLINGS

• Inspect seating surfaces on the meter’s body and tail piece prior to assembly. Surfaces should be clean and free of

any burs or markings.

• Inﬆall the gasket in tail piece. Thread union onto meter’s body, by hand, until gasket and mating surfaces make ﬁrﬆ

contact. Mark coupling nut and tail piece.

• Place a corresponding mark on the coupling nut, # of degrees (based on table above) counter clockwise. Hold

meter body while rotating coupling nut clockwise until marks line up. DO NOT over-tighten.

• Repeat process on opposite side of ﬂow meter body.

NOTE: Torque setting is not an accurate means of gaging compression on gasket due to the lack of resilience in the

gasket material.

Pressurize system and check for leaks. If any leak is present, DO NOT over-tighten. Relieve pressure and loosen coupling

nuts. Remove and inspect the gasket for damage. Repeat installation process.

FT-4600 INLINE ULTRASONIC FLOW METER

ONICON Incorporated 727.447.6140 Page 10 onicon.com

Orient the meter as shown below. The meter may be installed with upward or downward ﬂow in vertical pipes

in closed loop pressurized systems. Avoid any installation locations where the pipe may not be completely full.

Preferred Orientation for Horizontal Pipes

Caps should be horizontal to ensure that no

air is trapped in the body.

Do not orient meter as shown below

Meter Sizes ½ - 1”

Caps that are pointed up or down can trap

air in the body.

Table of contents

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