Onicon SYSTEM-40 Operating instructions

Brand
Onicon
Model
SYSTEM-40
Category
Measuring, testing & control
Type
Operating instructions
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699
www.onicon.com • [email protected]
SYSTEM-40 BTU MEASUREMENT SYSTEM
Installation and Operation Guide
06-16
2018 / 35870
FLOW
AND
ENERGY
MEASUREMENT
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699 • [email protected]
System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 2
SAFETY INFORMATION
This meter was calibrated at the factory prior to 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.
• All rights reserved. No part of this manual may be reproduced in any form without
ONICON’s written 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.
• 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
specic WARNINGS given elsewhere in this manual violates safety standards of design,
manufacture, and intended use of the product. ONICON Incorporated assumes no liability for the
customer’s failure to comply with these requirements. If this product is used in a manner not
specied in this manual, the protection provided by this product may be impaired.
The following symbols are used in this manual:
!
!
WARNING
Messages identied as “Warning” contain information regarding the personal safety of individuals
involved in the installation, operation or service of this product.
CAUTION
Messages identied as “Caution” contain information regarding potential damage to the product or
other ancillary products.
IMPORTANT NOTE
Messages identied as “Important Note” contain information critical to the proper operation of the
product.
i
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System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 3
TABLE OF CONTENTS
1.0 INTRODUCTION ...................................................................................................... 5
1.1 PURPOSE OF THIS GUIDE ........................................................................... 5
1.2 TYPICAL SYSTEM-40 BTU METER ............................................................. 5
1.3 STANDARD FEATURES AND SPECIFICATIONS ........................................ 5
1.4 ADDITIONAL REQUIRED HARDWARE ....................................................... 7
1.5 WORKING ENVIRONMENT ......................................................................... 7
1.6 WARRANTY & SERIAL NUMBER ................................................................ 7
2.0 UNPACKING ... .......................................................................................................... 7
2.1 CHECKING THAT YOU HAVE RECEIVED EVERYTHING .......................... 7
3.0 INSTALLATION ........................................................................................................ 8
3.1 SITE SELECTION ........................................................................................... 8
3.2 INSTALLING THE FLOW SENSOR .............................................................. 9
3.3 INSTALLING TEMPERATURE SENSORS & THERMOWELLS .................. 13
3.3.1 Direct Insertion Temperature Sensors............................................ 13
3.3.2 Thermowells ................................................................................... 14
3.4 REMOTE MOUNTING THE CALCULATOR ENCLOSURE ........................ 14
3.5 POWER & SIGNAL WIRING CONNECTIONS ............................................ 15
4.0 SYSTEM-40 START UP & COMMISSIONING ...................................................... 16
4.1 START UP ..................................................................................................... 16
4.1.1 Single and Dual Mode Display Pages ............................................ 17
4.1.2 Additional Display Pages ............................................................... 18
4.2 COMMISSIONING ....................................................................................... 19
4.2.1 Commissioning Following Initial Power-up.................................. 19
4.3 SEALING THE METER ................................................................................ 23
5.0 DIAGNOSTIC FUNCTIONS ................................................................................... 23
6.0 BACnet® MS/TP ...................................................................................................... 24
6.1 BACnet® OBJECT TYPES ............................................................................. 24
6.2 PROTOCOL IMPLEMENTATION STATEMENT ........................................ 24
6.3 DEVICE OBJECT .......................................................................................... 25
6.4 ANALOG INPUT(S) ..................................................................................... 26
6.5 ANALOG VALUE(S) .................................................................................... 27
6.6 BINARY VALUE(S) ...................................................................................... 28
6.7 MULTI STATE VALUE .................................................................................. 29
6.8 TREND LOG MULTIPLE .............................................................................. 30
7.0 MODBUS® ........................................................................................................ 31
7.1 MODBUS® MEMORY MAP ......................................................................... 32
7.2 DIAGNOSTIC FUNCTION CODE ................................................................. 39
7.3 REPORT SLAVE ID FUNCTION CODE ........................................................ 40
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System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 4
8.0 AUXILIARY INPUTS AND OUTPUTS ................................................................... 41
8.1 DETERMINING AUXILIARY INPUT & OUTPUT CONFIGURATION ........ 41
8.2 AUXILIARY INPUTS .................................................................................... 41
8.3 AUXILIARY OUTPUTS ................................................................................ 42
8.3.1 Single Mode Operation Pulse Outputs .......................................... 42
8.3.2 Dual Mode Operation Pulse Outputs ............................................. 43
8.4 ANALOG OUTPUTS .................................................................................... 44
APPENDIX
A-1 SYSTEM-40 WIRING DIAGRAM
A-2 CHANGING RS-485 SETTINGS OR METER PROGRAMMING AFTER
COMMISSIONING
A-3 SELECTING THE RIGHT METER SIZE & CALCULATING PRESSURE LOSS
A-4 CONDITIONS OF SALE
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System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 5
SECTION 1.0: INTRODUCTION
1.1 PURPOSE OF THIS GUIDE
The purpose of this guide is to provide installation and commissioning procedures, and basic
operating and servicing instructions for the ONICON SYSTEM-40 BTU Meter.
1.3 STANDARD FEATURES AND SPECIFICATIONS
• Single mode Btu calculations, in either the heating or cooling mode, are totalized and
displayed.
• Two-pipe dual mode Btu calculations in both the heating mode and the cooling modes are
totalized and displayed.
• Three 2-wire signal ports can be congured as pulse inputs or outputs. One of the ports can
be congured as an analog output.
!
WARNING
Only qualied service personnel should attempt to install or service this product. Serious injury
may result from the improper installation or use of this product.
1.2 TYPICAL SYSTEM-40 BTU METER
ONICON’S System-40 is a true heat (Btu) computer, which accepts data from several sensors,
performs a series of computations with that data, and displays and/or transmits the results as an
indication of the amount of heat (Btu’s) being transferred per unit time or as a totalized amount.
Integral mount shown
Bracket provided for remote mount within 5 ft.
CONTROL SYSTEM
BACnet® MS/TP OUTPUT
24 AC/DC POWER
FAN COIL UNIT
OR
AIR HANDLING UNIT
CHILLED WATER
RETURN
CHILLED WATER
SUPPLY
RETURN TEMP
WATER METER
GAS METER
ELECTRIC METER
ETC
UP TO THREE
PULSE INPUTS
OUTPUT / POWER
SYSTEM-40
BTU METER
Made in USA
KBTU

FLOW
AND
ENERGY
MEASUREMENT
POWER
24 V ac/dc Input Power
Input and Output
Signals and
BACnet / Modbus
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System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 6
GENERAL SPECIFICATIONS*
CALIBRATION
Flow meter and temperature sensors are individually
calibrated to N.I.S.T. and or international metrological
standards, followed by a complete system calibration. Field
commissioning is also available.
ACCURACY
FLOW
Meets EN1434 Class 1 accuracy requirements
± 1% of reading over 25:1 turndown
± 2% of reading over 100:1 turndown
Overall turndown exceeds 500:1
Repeatability: ≤ ± 0.2%
TEMPERATURE
Field serviceable MID certied matched pair of 2-wire
1000Ω
platinum RTDs
Calibrated to a differential measurement uncertainty of
± 0.18° F
Meets EN1434/C900.1 accuracy requirements for 3K sensors
CALCULATOR
Computation error: ≤ 0.09% @ 30° F ∆t
Meets EN1434 Class 1 requirements with 3K minimum ∆t
ELECTRICAL
POWER SUPPLY REQUIREMENTS
12-36 VAC, 50/60 Hz, 5 VA maximum
12-42 VDC, 5 W maximum
CLOCK /CALENDAR
Real-time clock / calendar with lithium battery back-up
Estimated battery life ≥ 10 years
PROGRAMMING
Factory programmed for specic application. Field
programming available through the user interface.
MEMORY
Nonvolatile FLASH memory retains all program parameters
and totalized values in the event of power loss.
PULSE INPUTS, OUTPUTS, and ANALOG OUTPUT
The three 2-wire signal ports can be congured as pulse inputs
or outputs. One of the ports can be congured as an analog
output.
Isolated totalizing pulse inputs for use with sinking open
collector or dry contact outputs
Input rating: 30 VDC, 10 mA maximum
Pulse duration: 50 ms minimum
Isolated totalizing solid state contact closure pulse outputs may
be programmed for energy, volume, alarm indication or coil
indication (MODBUS RTU only)
Contact ratings: 50 mA, 30 V
Contact pulse duration: 50, 100, 500 or 1000 ms
(500 ms default)
Analog 4-20 mA, 0-5 V or 0-10 V output for ow rate or
temperature or ∆T
COMMUNICATION PROTOCOLS
BACnet® MS/TP per ASHRAE Standard 135.1: 2009
MODBUS® RTU
NETWORK CONFIGURATION & ADDRESSING
Baud Rates: 4800, 9600, 19200, 38400, 76800, or
115200
Device Address Range: 1 – 255 (1 - 247 MODBUS®)
Device Instance Range: 1 – 4,194,303 (BACnet® only)
Parity: None, Even, Odd (MODBUS RTU only)
NETWORK CONNECTION
Isolated RS485 serial interface
Unit load = ¼
Recommended devices per segment = 32
MECHANICAL
FLOW SENSOR
Individually wet calibrated inline ow sensor with
direct path wetted ultrasonic ow transducers.
IP65 inline ow body with male BSPP (straight) threads
Wetted components:
Brass (Lead free, corrosion resistant)
PEEK
EPDM (FKM optional)
METER COUPLINGS
½” - 2" Meters: Brass couplings with BSPP nut and
male NPT threads
2½” Meters: ANSI class 150 - anges standard optional
PN16, ANSI class 300
Wetted components:
Brass (Lead free)
EPDM (FKM optional)
TEMPERATURE SENSOR PAIR
½” – 1” meter sizes
2-wire platinum RTDs with 1.5m (4.9 ft.) cables
Screw in direct insertion RTDs with M10 (straight)
threads
Wetted components:
RTD – Stainless steel
NPT x M10 reducer bushing – Brass (Lead free)
1¼” – 2 ½” meter sizes
2-wire platinum RTDs with 3.0m (9.8 ft) cables
Push in insertion RTDs for use with thermowells
Wetted components: None
THERMOWELLS
Brass thermowells with ½” male NPT threads
Wetted components:
Thermowells – Brass (Lead free)
NPT reducer bushings – Brass (Lead free)
Sweat x NPT reducer bushings – Brass (Lead free)
CALCULATOR
Detachable enclosure with user interface and backlit
display includes a 5 ft. extension cable and remote
mounting bracket
IP65 polycarbonate plastic enclosure
Wetted components: None
APPROVALS
FCC: Part 15, Subpart B
CE
Conforms to ANSI/NSF 61 & 372 (certication pending)
BTL Certied to ASHRAE 135:2009
*Specications subject to change without notice
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1.4 ADDITIONAL REQUIRED HARDWARE
For ½” – 1” meter sizes, a customer supplied line size threaded tee is required. The tee is used
with the line size NPT (or copper sweat) x M10 bushing ordered with the meter when installing the
remote temperature sensor.
For 1¼” – 2½” meter sizes, two customer supplied tees are required. The tees are used with the two
½” NPT thermowells ordered with the meter.
2½” meters are provided with raised face anges. Mating anges, ange gaskets and mounting
hardware are required to complete the installation.
1.5 WORKING ENVIRONMENT
The SYSTEM-40 was designed for installation and use indoors in residential, commercial and
light industrial environments that are free of corrosive liquids and fumes, temperature extremes
and excess vibration.
The System-40 may be installed outdoors in protected spaces away from direct sunlight and rain,
sleet or snow.
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.
1.6 WARRANTY & SERIAL NUMBER
Warranty
ONICON’s 2-year “No-fault” warranty reduces start-up costs by extending coverage for
incidental damage during installation. Certain exclusions apply. Please refer to ONICON’s
Conditions of Sale for details.
Serial Number
The serial number of your SYSTEM-40 is located on the side of the enclosure. The serial number is
a unique identier for the product. Please have this number available when contacting ONICON for
assistance.
SECTION 2.0: UNPACKING
The SYSTEM-40 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.
2.1 CHECKING THAT YOU HAVE RECEIVED EVERYTHING
• The following items are normally provided with the SYSTEM-40 BTU Meter:
Two line size process connection meter couplings with male NPT threads and sealing
gaskets (shipped attached to meter)
One line size NPT (or copper sweat) x M10 bushing for the remote temperature sensor
OR two thermowells with ½” male NPT threads
One SYSTEM-40 BTU Meter Installation and Operation Guide
One SYSTEM-40 BTU Meter Certicate of Calibration
Please notify ONICON if any of these items are missing.
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SECTION 3.0: INSTALLATION
The SYSTEM-40 BTU Meter should be installed by experienced plumbers, electricians, and others
with related knowledge and experience in the heating, cooling, and uid metering elds. ONICON
technical support personnel are available via telephone or e-mail to provide technical assistance
before, during and after installation. On-site eld engineering, installation, and service are also
available at an additional cost. Installers should use good trade practices and must adhere to all
applicable state and local building codes.
Before you begin, clean the external surfaces of all pipes at the installation sites so that they are free of
debris, foreign matter, solids, leak inhibitors, and chemically aggressive substances. Flush the entire
system so that it is free of ux, solder, pipe and tube cuttings and any other free moving debris.
3.1 SITE SELECTION
Careful attention to the site selection for the system components will help the installers with
the initial installation, reduce start-up problems, and make future maintenance easier. For
example, do not install the ow sensor where it will be difcult for personnel to perform periodic
maintenance. When selecting a site for mounting the system components, consider the criteria
under Section 1.5: WORKING ENVIRONMENT, as well as the following.
The following limitations apply to the installation of the meter:
• The ow sensor body must be correctly oriented with respect to the direction of ow in the
pipe. Meters installed with reversed ow will not function.
• The System-40 is provided with xed cable lengths for the ow sensor and temperature
sensors. Do not alter the cable lengths. Doing so will void the calibration and may invalidate
the warranty.
• The maximum operating pressure for the ow sensor body, the direct insertion temperature
sensors, the temperature sensor adapter bushings and the thermowells is 400 psi.
• At uid temperatures above 212° F the calculator enclosure should be remote mounted.
• Do not install the meter in close proximity to strong sources of electromagnetic interference
(e.g. electric motors, VFD’s, etc.)
i
IMPORTANT NOTE
Proper site selection is critical to the performance of this Btu meter. Both the ow sensor and the
remote temperature sensor must be properly located within the piping system in order to ensure
an accurate energy measurement.
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3.2 INSTALLING THE FLOW SENSOR
When properly installed, the ow sensor will only measure ow associated with that portion of the
piping system for which the energy measurement is being made. The ow sensor may be installed
in either the supply or return pipe of the heat exchange circuit. Before you install the sensor, the
entire piping system should be ushed and free of debris. Please refer to the table and diagrams
below when selecting the installation location. Upstream straight unobstructed pipe requirements
vary considerably based on nature of the upstream obstructions. As a general rule, ONICON always
recommends that the sensor be located with as much straight pipe upstream as possible.
A
B
C
D
E & F
G
Flow Direction
Flow Direction
A. This is a recommended position for the ow sensor.
B. This is a recommended position for the ow sensor.
C. Avoid installation locations where air can become trapped in the piping system.
D. This is an acceptable installation location for closed loop pressurized systems.
E. Do not install the sensor downstream of modulating valves or partially open valves. Fully open
isolation valves (e.g. ball valves) are OK.
F. Do not install the ow 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
sensor. Refer to Appendix A-3 for calculating pressure the drop at different ow rates.
G. Avoid installing the sensor downstream of multiple bends out of plane with each other where
there are less than 10 diameters of straight unobstructed pipe between bends.
STRAIGHT RUN REQUIREMENTS
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.
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IMPORTANT NOTE
The ow sensor body must be correctly oriented with respect to the direction of ow in the pipe.
Meters installed with ow in the reverse direction will not function.
i
For ½” – 1” meter sizes the calculator enclosure may be rotated around the axis of the ow
sensor into three different positions. To rotate, temporarily slide the enclosure off the ow sensor
mounting brackets. Remove the two retaining screws and reposition the mounting brackets as
required. Reinstall the enclosure with the display properly oriented for viewing. Mounting tracks
on the back of the enclosure allow for mounting in any orientation.
Flow Direction The sensor port is always on
the downstream end of meter.
Retaining Nut SealCoupling
Slide calculator
enclosure to
remove from
sensor mounting
brackets
Slide Enclosure
Mounting Tracks
Retaining
Screw
Retaining
Screw
IMPORTANT NOTE
When installing the meter in a vertical pipe with upward ow you must rotate the enclosure back
plate 180° when rotating the display 90°. To accomplish this, temporarily remove the 4 cover
screws and rotate the backing plate.
i
The ow sensor is installed with threaded meter couplings and at sealing gaskets as shown
below. Orient the sensor body by aligning the ow direction arrow with the direction of ow
in the pipe.
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Orient the ½” - 1” meters as shown below. The meter may be installed with upward or downward
ow in vertical pipes in closed loop pressurized systems. Avoid any installation locations where
the pipe may not be completely full.
Back View Side View
Back View
Side View
Do not orient meter as shown above
Preferred Orientation for Horizontal Housing
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System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 12
Orient the 1¼" - 2½" meters as shown below. The meter may be installed with upward or
downward ow in vertical pipes in closed loop pressurized systems. Avoid any installation
locations where the pipe may not be completely full.
The ow sensor is installed with threaded meter couplings and at sealing gaskets as shown
below. Orient the sensor body by aligning the ow direction arrow with the direction of ow in
the pipe.
Side View
Preferred Orientation for Horizontal Housing
Side View
Do not orient meter as shown below
The sensor port is
always on the
downstream
end of meter.
Flow Direction
SealCoupling
Retaining Nut
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3.3 INSTALLING TEMPERATURE SENSORS & THERMOWELLS
When properly installed, the temperature sensors will only measure the inlet and outlet
temperatures of the heat exchange circuit where the energy measurement is being made. Before
you install thermowells or direct insertion sensors, the entire piping system should be ushed
and free of debris.
3.3.1 Direct Insertion Temperature Sensors
SYSTEM-40 BTU Meters congured with direct insertion temperature sensors are
provided with one sensor pre-installed in the ow sensor body. The second sensor must
be installed in the pipe opposite that of the ow sensor as shown below. The tapered
sensors are provided with an M10 threaded tting and a at sealing gasket. For standard
installations, an M10 x NPT (or copper sweat) bushing is provided for use with a customer
supplied line size tee. The torque required to properly install the temperature sensors is
4lb-ft.
FAN COIL UNIT
OR
AIR HANDLING UNIT
SUPPLY
RETURN TEMP
SYSTEM-40
BTU METER
Made in USA
KBTU

FLOW
AND
ENERGY
MEASUREMENT
Customer
supplied line
size tee
M10 x NPT
bushing provided
Sealing gasket
Temperature
sensor
!
CAUTION
The platinum RTD sensors provided with the System-40 are calibrated with the attached cables.
Altering these cable lengths will result in signicant measurement errors and void the meter
calibration.
Customer
supplied line
size tee
Flush bushing
provided
RTD &
Gasket
Copper Installation
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System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 14
Slot for Pipe
Clamps
0.219”
Slide Tracks
Slide Tracks
3.3.2 Thermowells
Standard versions of the 1¼” - 2½” System-40 BTU Meters are provided with two thermowells
with ½” NPT Process Connections for use with customer supplied threaded tees. The
temperature sensors are installed in the thermowells and held in place with a set screw on the
thermowell.
RETURN
SUPPLY
FAN COIL UNIT
OR
AIR HANDLING UNIT
KBTU

Thermowell &
Temperature
Sensor
Line Size x ½"
Bushing **
Customer
Supplied Line
Size Tee
1" Solder x ½"
NPT bushing**
Thermowell &
Temperature
Sensor
Customer
supplied line
size tee with
1" outlet
Copper Installation
3.4 REMOTE MOUNTING THE CALCULATOR ENCLOSURE
The System-40 is provided with a mounting bracket and the cables required for remote mounting
the calculator. The cable lengths must not be altered. The remote mounting bracket is shown
below. It has two mounting holes designed for #10 screws. It also has parallel slots that allow for
the use of pipe clamps when mounting the enclosure on a stanchion or pipe. The bracket may
be used as a template for marking hole locations. Also shown is the back of the calculator. The
mounting bracket slides on to tracks on this back plate.
3"
RED
BLUE*
* Sensor with blue tag is
always installed downstream
from the ow body.
Standard NPT Installation Optional NPT Installation
Thermowell &
Temperature
Sensor
Customer
supplied line
size tee with
½" outlet
** Bushings provided by customer or ordered from ONICON
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System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 15
3.5 POWER AND SIGNAL WIRING CONNECTIONS
The System-40 is provided with 4 glands on the right hand side of the enclosure for power and
signal cables. Each includes a strain relief for securing the cabling and a sealing cap. The power
cable should enter the enclosure through the bottom gland. Do not remove the sealing caps from
unused cable glands. To access the wiring connections, remove the 4 cover screws shown below.
Cover Screws
Install power
cable here
Cover Screws
1 2 3 4 5 6 7 8 1 2 3
10
9
H5 SERIAL
TB3 TB2
H3
4321 4321
1 2 1 2 1 2 1 2
TB8 TB7 TB6 TB5 SW6 SW7 SW2 SW1
C34
C33
R6
DS3
R8 H2 SERIAL
2
1
GRD
DS2
R60
3
JMP5
1
CAUTION
INSTALL + SIDE UP
CR2032 BATTERY
BAT1
Internal RTD
(Flow)
External RTD
24V AC/DC (+)
24V COMMON (-)
AUX 1 (+)
AUX 1 (-)
AUX 2 (+)
AUX 2 (-)
AUX 3 (+)
AUX 3 (-)
RS485 (+)
RS485 (-)
RS485 COMMON
TB1 TB4
COMMISSIONING MICROPROCESSOR
RESET
RS485 Termination
1 - 2 = 120 Ω
2 - 3 = None
System-40-BAC Enclosure Label
1048 / 33354 02-15
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Actual Size - 4.125” x 2.875”
Cutline
Remote (external) Temperature Sensor
Name Terminal # Description
1000 ohm TB2-1 RTD signal wire
Not used TB2-2 No Connection
Not used TB2-3 No Connection
1000 ohm RTD TB2-4 RTD signal wire
Flow (internal) Temperature Sensor*
Name Terminal # Description
1000 ohm TB3-1 RTD signal wire
Not used TB3-2 No Connection
Not used TB3-3 No Connection
1000 ohm RTD TB3-4 RTD signal wire
Power and Signal Inputs (18 - 22 AWG wire)
Name Terminal # Description
24V ac/dc (+) TB1-1 12 - 36Vac, 50/60Hz, 5 VA max.
12-42Vdc, 5W max.
24V ac/dc Common (-) TB1-2
Aux I/O # 1 (+) TB1-3 Congured as either input or output at factory.
Output rating
Pulse Output:
Pulse duration: Selectable 50, 100, 500, or 1,000 ms
Contact ratings: 50mA, 30VDC max.
*Analog Output (AUX I/O # 3 only):
Selectable: 4-20mA, 0-10VDC, 0-5VDC
Input rating
For use with open collector sinking and dry contact
outputs only.
Pulse duration: 50ms min.
Sinking Current: 1mA max.
Aux I/O # 1 (-) TB1-4
Aux I/O # 2 (+) TB1-5
Aux I/O # 2 (-) TB1-6
Aux I/O # 3 (+) TB1-7
Aux I/O # 3 (-) TB1-8
RS485 (20 - 24 AWG wire)
Name TB4 Description
RS485 B (+) TB4-1
RS485 Unit Load = 1/4
Recommended Devices
per Segment = 32
RS485 A (-) TB4-2
RS485 Common TB4-3
RS485 Termination Resistor
Name JMP5 Description
120 ohm Position 1 Jumper Position 1 & 2
= 120 ohms
120 ohm Position 2
None Position 3 Jumper Position 2 & 3
= No Termination
* This sensor must be in the same
pipe as the ow sensor.
i
IMPORTANT NOTE
Open isolation valves, leak test and purge the piping system of air prior to wiring the meter.
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699 • [email protected]
System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 16
SECTION 4.0: SYSTEM-40 START-UP AND COMMISSIONING
4.1 START-UP
When power is rst applied to the meter the display will be illuminated and the following start
screen will appear. Momentarily press SEL (select) to access the operating mode (User Screens)
display pages.
Verify that the meter is functional by stepping through the display pages and conrming the ow
rate and temperature data is within expected norms. Momentarily press NEXT or BACK to change
the displayed page. A complete list of the display pages is provided on the following page.
Alarm Indication
Unit of Measure
When reviewing the displayed data, note the factory programmed engineering units on each
display page (e.g. kBtu, gallons, kBtu/h, gpm, ° F, etc.). Note any changes that may be necessary.
These will need to be made during commissioning.
When reviewing the Supply and Return temperature display pages, note which one has the word
“FLOW” in the lower left corner of the page. This is an indication of the ow sensor location in the
piping system. Verify the actual location of the ow sensor in the piping system. It is critical that
the correct location (supply or return) be programmed into the meter.
!
CAUTION
During start-up and commissioning, the FLOW location must be properly identied as being
in the supply or return pipe of the heat exchange circuit. The sensor’s position must then be
programmed into the meter. Failure to do so will result in signicant errors in both the ow
and energy measurements.
To return to the commissioning mode from the user screens, momentarily press MENU. The
following page will appear. Momentarily press EXIT to return to the start screen.
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699 • [email protected]
System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 17
4.1.1 Single and Dual Mode Display Pages
*
*
*
*
*
*
* Will only appear if Aux I/O was congured at factory for pulse input.
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699 • [email protected]
System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 18
4.1.2 Additional Display Pages
EXIT
NEXT
MENU
Manufacturing Date
EXIT
NEXT
MENU
Calibration Date
EXIT
NEXT
MENU
Firmware Rev
EXIT
NEXT
MENU
MeterConfig
0000/00
Boot: 0.0.0
App: 0.0.0
DA: 0.0.0
DB: 0.0.0
0
EXIT
NEXT
MENU
Serial Number
0
Year/Month
0000/00
Year/Month
Pre: 0.0.0
YTD Energy & Volume Totals reset at
12:01 AM on January 1st
Prev. Yr. Energy & Volume Totals update at
12:01 AM on January 1st
User Energy Totals reset via MODBUS
EXIT
NEXT
MENU
Signal Strength
0
EXIT
NEXT
MENU
Speed of Sound
0 = Empty Pipe
0
ft/s
EXIT
NEXT
MENU
EXIT
NEXT
MENU
00.00000 Up
00.00000 Dn
Transit Time
EXIT
NEXT
MENU
Modbus Diagnostics 1
Modbus Diagnostics 2
00000 Event Counter
00000 Message Count
00000 Comm Errors
00000 Exceptions
00000 Serv. Messages
00000 Serv. No Respond
00000 Serv. Busy
00000 Char. Overrun
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699 • [email protected]
System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 19
4.2 COMMISSIONING
The last step in the installation process is commissioning the meter. Commissioning is a 2 step
process. The rst step is to review the mechanical installation to conrm that the ow sensor and
temperature sensor(s) are properly located in the piping system. The second step is a review of
the meter program settings. Both steps must be completed in order to nish the installation. A
simple commissioning checklist is shown below. A copy of this may be found online at
www.onicon.com/system40.html.
Commissioning Checklist
Part 1 Mechanical installation
Conrm that the ow sensor is properly located in the piping system (Sec. 3.1 & 3.2).
Conrm that the ow sensor is properly oriented with respect to ow direction (Sec. 3.2).
Conrm that the temperature sensor(s) is properly located in the piping system (Sec. 3.3).
Part 2 Programming
Conrm that the ow sensor location in the piping system (supply or return) is programmed into the
meter (Sec. 4.1 & 4.2.1).
Verify that the Units of Measure Settings in the meter are correct (Sec. 4.1 & 4.2.1).
Conrm that there are no alarm indications and the meter is functional (Sec. 4.1.2 & 5.0).
4.2.1 Commissioning following initial power-up
During initial power-up, the following display pages will appear the commissioning
option is selected. The settings shown below allow the installer to set MODBUS® or
BACnet® parameters, the ow sensor location (supply or return pipe) and the date and
time. If the factory pre-programmed engineering units for ow, energy and temperature are
correct, press SAVE to exit commissioning once the correct date has been set. Momentarily
press NEXT if you wish access the remaining commissioning mode display pages shown
on the next page.
Initial Power-up
NEXT
Set Meter
Next to complete Install
or adjust
settings.
EXIT
DONE
NEXT
EDIT
Protocol
Modbus
DONE
NEXT
EDIT
Protocol
BACnet
EXIT
NEXT
EDIT
BACnet Address
1
0 - 255
DONE
NEXT
EDIT
Modbus Address
017
0 - 247
DONE
NEXT
EDIT
Baud Rate
9600
EXIT
NEXT
EDIT
Instance Number
57017
0 - 4194303
EXIT
NEXT
EDIT
Baud Rate
38400
Parity
DONE
NEXT
EDIT
None
Odd Even None
EXIT
NEXT
EDIT
Meter Location
EXIT
NEXT
EDIT
Set Time
EXIT
NEXT
EDIT
Set Date
BACK
NEXT
SAVE
Set Meter
Supply
YYYY:MM:DD
HH:MM:SS
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Medium
EXIT
NEXT
EDIT
Flow
EXIT
NEXT
EDIT
Volume
Water
gpm
gallons
EXIT
NEXT
EDIT
Energy
EXIT
NEXT
EDIT
Energy Rate
EXIT
NEXT
EDIT
Temperature
kBtu
F
Btu/hr
Select Units
Select Units
Select Units
Select Units
Select Units
EXIT
NEXT
EDIT
Mode
Single
Single or Dual
Short Commissioning Units of Measure & Aux I/O
Configuration Settings
EXIT
NEXT
EDIT
Aux Input 1
BACK
NEXT
SAVE
Set Meter
Counts
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Num Aux Inputs
3
EXIT
NEXT
EDIT
Aux Input 2
Counts
EXIT
NEXT
EDIT
Aux Input 3
Counts
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Pulse Timing
Pulse 500 ms
EXIT
NEXT
EDIT
Pulsed Output 1
Energy Total
Select Type
EXIT
NEXT
EDIT
Pulsed Output 2
Volume Total
Select Type
EXIT
NEXT
EDIT
Pulsed Output 3
Alarm
Select Type
EXIT
NEXT
EDIT
Pulse 1 Scaling
x1
Select Multiplier
EXIT
NEXT
EDIT
Pulse 2 Scaling
x1
Select Multiplier
EXIT
NEXT
EDIT
Pulse 3 Scaling
x1
Select Multiplier
EXIT
NEXT
EDIT
Aux Input 1
Counts
EXIT
NEXT
EDIT
Num Aux Inputs
2
EXIT
NEXT
EDIT
Aux Input 2
Counts
EXIT
NEXT
EDIT
Pulse Timing
Pulse 500 ms
EXIT
NEXT
EDIT
Pulsed Output 1
Energy Total
Select Type
EXIT
NEXT
EDIT
Pulse 1 Scaling
x1
Select Multiplier
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Aux Input 1
Counts
EXIT
NEXT
EDIT
Num Aux Inputs
1
EXIT
NEXT
EDIT
Pulsed Output 1
Energy Total
Select Type
EXIT
NEXT
EDIT
Pulsed Output 2
Volume Total
Select Type
EXIT
NEXT
EDIT
Pulse Timing
Pulse 500 ms
EXIT
NEXT
EDIT
Pulse 1 Scaling
x1
Select Multiplier
EXIT
NEXT
EDIT
Pulse 2 Scaling
x1
Select Multiplier
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Aux Input 1
Counts
EXIT
NEXT
EDIT
Num Aux Inputs
2
EXIT
NEXT
EDIT
Aux Input 2
Counts
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Analog Signal
4-20 mA
EXIT
NEXT
EDIT
Analog Output
Energy Rate
EXIT
NEXT
EDIT
Analog Output Max
500.000
Analog Output Units
Select Signal
Select Type
EXIT
NEXT
EDIT
Analog Output Min
000.000
Analog Output Units
EXIT
NEXT
EDIT
Pulsed Output 1
Energy Total
Select Type
EXIT
NEXT
EDIT
Pulsed Output 2
Volume Total
Select Type
EXIT
NEXT
EDIT
Pulse Timing
Pulse 500 ms
EXIT
NEXT
EDIT
Pulse 1 Scaling
x1
Select Multiplier
EXIT
NEXT
EDIT
Pulse 2 Scaling
x1
Select Multiplier
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Analog Signal
4-20 mA
EXIT
NEXT
EDIT
Analog Output
Energy Rate
EXIT
NEXT
EDIT
Analog Output Max
500.000
Analog Output Units
Select Signal
Select Type
EXIT
NEXT
EDIT
Analog Output Min
000.000
Analog Output Units
EXIT
NEXT
EDIT
Aux Input 1
Counts
EXIT
NEXT
EDIT
Num Aux Inputs
1
EXIT
NEXT
EDIT
Pulsed Output 1
Energy Total
Select Type
EXIT
NEXT
EDIT
Pulse Timing
Pulse 500 ms
EXIT
NEXT
EDIT
Pulse 1 Scaling
x1
Select Multiplier
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Analog Signal
4-20 mA
EXIT
NEXT
EDIT
Analog Output
Energy Rate
EXIT
NEXT
EDIT
Analog Output Max
500.000
Analog Output Units
Select Signal
Select Type
EXIT
NEXT
EDIT
Analog Output Min
000.000
Analog Output Units
NEXT
Set Meter
Next to complete Install
or adjust
settings.
EXIT
DONE
NEXT
EDIT
Protocol
Modbus
DONE
NEXT
EDIT
Protocol
BACnet
EXIT
NEXT
EDIT
BACnet Address
1
0 - 255
DONE
NEXT
EDIT
Modbus Address
017
0 - 247
DONE
NEXT
EDIT
Baud Rate
9600
EXIT
NEXT
EDIT
Instance Number
57017
0 - 4194303
EXIT
NEXT
EDIT
Baud Rate
38400
Parity
DONE
NEXT
EDIT
None
Odd Even None
EXIT
NEXT
EDIT
Meter Location
EXIT
NEXT
EDIT
Set Time
EXIT
NEXT
EDIT
Set Date
BACK
NEXT
SAVE
Set Meter
Supply
YYYY:MM:DD
HH:MM:SS
NEXT edits units of
measure
SAVE completes install
with current settings
Short Commissioning
Short Commissioning
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699 • [email protected]
System-40-BTU Meter Installation and Operation Guide 06/16 - 2018 / 35870 Page 20
Commissioning
NEXT
Set Meter
Next to complete Install
or adjust
settings.
EXIT
DONE
NEXT
EDIT
Protocol
Modbus
DONE
NEXT
EDIT
Protocol
BACnet
EXIT
NEXT
EDIT
BACnet Address
1
0 - 255
DONE
NEXT
EDIT
Modbus Address
017
0 - 247
DONE
NEXT
EDIT
Baud Rate
9600
EXIT
NEXT
EDIT
Instance Number
57017
0 - 4194303
EXIT
NEXT
EDIT
Baud Rate
38400
Parity
DONE
NEXT
EDIT
None
Odd Even None
EXIT
NEXT
EDIT
Meter Location
EXIT
NEXT
EDIT
Set Time
EXIT
NEXT
EDIT
Set Date
BACK
NEXT
SAVE
Set Meter
Supply
YYYY:MM:DD
HH:MM:SS
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Medium
EXIT
NEXT
EDIT
Flow
EXIT
NEXT
EDIT
Volume
Water
gpm
gallons
EXIT
NEXT
EDIT
Energy
EXIT
NEXT
EDIT
Energy Rate
EXIT
NEXT
EDIT
Temperature
kBtu
F
Btu/hr
Select Units
Select Units
Select Units
Select Units
Select Units
EXIT
NEXT
EDIT
Mode
Single
Single or Dual
Short Commissioning Units of Measure & Aux I/O
Configuration Settings
EXIT
NEXT
EDIT
Aux Input 1
BACK
NEXT
SAVE
Set Meter
Counts
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Num Aux Inputs
3
EXIT
NEXT
EDIT
Aux Input 2
Counts
EXIT
NEXT
EDIT
Aux Input 3
Counts
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Pulse Timing
Pulse 500 ms
EXIT
NEXT
EDIT
Pulsed Output 1
Energy Total
Select Type
EXIT
NEXT
EDIT
Pulsed Output 2
Volume Total
Select Type
EXIT
NEXT
EDIT
Pulsed Output 3
Alarm
Select Type
EXIT
NEXT
EDIT
Pulse 1 Scaling
x1
Select Multiplier
EXIT
NEXT
EDIT
Pulse 2 Scaling
x1
Select Multiplier
EXIT
NEXT
EDIT
Pulse 3 Scaling
x1
Select Multiplier
EXIT
NEXT
EDIT
Aux Input 1
Counts
EXIT
NEXT
EDIT
Num Aux Inputs
2
EXIT
NEXT
EDIT
Aux Input 2
Counts
EXIT
NEXT
EDIT
Pulse Timing
Pulse 500 ms
EXIT
NEXT
EDIT
Pulsed Output 1
Energy Total
Select Type
EXIT
NEXT
EDIT
Pulse 1 Scaling
x1
Select Multiplier
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Aux Input 1
Counts
EXIT
NEXT
EDIT
Num Aux Inputs
1
EXIT
NEXT
EDIT
Pulsed Output 1
Energy Total
Select Type
EXIT
NEXT
EDIT
Pulsed Output 2
Volume Total
Select Type
EXIT
NEXT
EDIT
Pulse Timing
Pulse 500 ms
EXIT
NEXT
EDIT
Pulse 1 Scaling
x1
Select Multiplier
EXIT
NEXT
EDIT
Pulse 2 Scaling
x1
Select Multiplier
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Aux Input 1
Counts
EXIT
NEXT
EDIT
Num Aux Inputs
2
EXIT
NEXT
EDIT
Aux Input 2
Counts
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Analog Signal
4-20 mA
EXIT
NEXT
EDIT
Analog Output
Energy Rate
EXIT
NEXT
EDIT
Analog Output Max
500.000
Analog Output Units
Select Signal
Select Type
EXIT
NEXT
EDIT
Analog Output Min
000.000
Analog Output Units
EXIT
NEXT
EDIT
Pulsed Output 1
Energy Total
Select Type
EXIT
NEXT
EDIT
Pulsed Output 2
Volume Total
Select Type
EXIT
NEXT
EDIT
Pulse Timing
Pulse 500 ms
EXIT
NEXT
EDIT
Pulse 1 Scaling
x1
Select Multiplier
EXIT
NEXT
EDIT
Pulse 2 Scaling
x1
Select Multiplier
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Analog Signal
4-20 mA
EXIT
NEXT
EDIT
Analog Output
Energy Rate
EXIT
NEXT
EDIT
Analog Output Max
500.000
Analog Output Units
Select Signal
Select Type
EXIT
NEXT
EDIT
Analog Output Min
000.000
Analog Output Units
EXIT
NEXT
EDIT
Aux Input 1
Counts
EXIT
NEXT
EDIT
Num Aux Inputs
1
EXIT
NEXT
EDIT
Pulsed Output 1
Energy Total
Select Type
EXIT
NEXT
EDIT
Pulse Timing
Pulse 500 ms
EXIT
NEXT
EDIT
Pulse 1 Scaling
x1
Select Multiplier
BACK
NEXT
SAVE
Set Meter
NEXT edits units of
measure
SAVE completes install
with current settings
EXIT
NEXT
EDIT
Analog Signal
4-20 mA
EXIT
NEXT
EDIT
Analog Output
Energy Rate
EXIT
NEXT
EDIT
Analog Output Max
500.000
Analog Output Units
Select Signal
Select Type
EXIT
NEXT
EDIT
Analog Output Min
000.000
Analog Output Units
NEXT
Set Meter
Next to complete Install
or adjust
settings.
EXIT
DONE
NEXT
EDIT
Protocol
Modbus
DONE
NEXT
EDIT
Protocol
BACnet
EXIT
NEXT
EDIT
BACnet Address
1
0 - 255
DONE
NEXT
EDIT
Modbus Address
017
0 - 247
DONE
NEXT
EDIT
Baud Rate
9600
EXIT
NEXT
EDIT
Instance Number
57017
0 - 4194303
EXIT
NEXT
EDIT
Baud Rate
38400
Parity
DONE
NEXT
EDIT
None
Odd Even None
EXIT
NEXT
EDIT
Meter Location
EXIT
NEXT
EDIT
Set Time
EXIT
NEXT
EDIT
Set Date
BACK
NEXT
SAVE
Set Meter
Supply
YYYY:MM:DD
HH:MM:SS
NEXT edits units of
measure
SAVE completes install
with current settings
Short Commissioning
Remaining parameters
branch depending on
model number. See
following pages.
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Onicon SYSTEM-40 Operating instructions

Brand
Onicon
Model
SYSTEM-40
Category
Measuring, testing & control
Type
Operating instructions
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