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SYSTEM-30 BTU MEASUREMENT SYSTEM BACnet MS/TP Version Installation and Operation Guide For Software Version FB5.20 or higher. 1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727)442-5699 www.onicon.com • sales@onicon.com 01-09 0691...
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Messages identified as “Important Note” contain information critical to the proper operation of the product. 1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699 • sales@onicon.com System-30 BTU Measurement System BACnet MS/TP 01/09 - 0691...
For example, do not install the System-30 or its temperature sensor where it will be difficult for personnel to perform periodic maintenance and calibration. When selecting a site for mounting the system components, consider the criteria under Section 1.4, WORKING ENVIRONMENT, as well as the...
Altering the cable length will affect calibration. Do not change the cable length without consulting ONICON. 1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699 • sales@onicon.com System-30 BTU Measurement System BACnet MS/TP 01/09 - 0691...
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THERMOWELL INSTALLATION IN THREADED PIPE TEES THERMOWELL INSTALLATION IN COPPER TEE 1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699 • sales@onicon.com System-30 BTU Measurement System BACnet MS/TP 01/09 - 0691 Page 12...
In dual mode (2 pipes) applications the polarity of the temperature differential (Delta t) reverses; often on a seasonal basis. 1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699 • sales@onicon.com System-30 BTU Measurement System BACnet MS/TP 01/09 - 0691...
Meter and the user’s external equipment. ONICON assumes no responsibility for damaged caused tot he external equipment as a result of an improper installation. 1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699 • sales@onicon.com System-30 BTU Measurement System BACnet MS/TP 01/09 - 0691...
Successively pressing the SCROLL button will cycle the display through the run mode pages summarized in the tables on the next page. 1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699 • sales@onicon.com System-30 BTU Measurement System BACnet MS/TP 01/09 - 0691...
The units and multipliers are programmed prior to delivery. Contact ONICON’s technical support personnel for assistance in changing units or multipliers. 1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699 • sales@onicon.com System-30 BTU Measurement System BACnet MS/TP 01/09 - 0691...
Btu meter and re-discover the device on the network. NETWORK ADDRESS DIP SWITCH VALUES SWITCH VALUE 1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699 • sales@onicon.com System-30 BTU Measurement System BACnet MS/TP 01/09 - 0691 Page 19...
The standard Baud rate settings are 9600, 19200, 38400 and 76800 Baud. If the Baud rate setting was not provided to ONICON, the Btu meter will be configured to “auto” detect the Baud rate of the network. In this configuration, the meter should detect and automatically adjust to the proper rate when the meter is connected to the network.
4.6 BACnet OBJECTS The System-30 BTU Meter operates in one of two operating modes, SINGLE or DUAL. The table below contains point information for each of the operating modes. In SINGLE mode operation only one register accumulates energy and one register accumulates volume.
This LED will flash at a rate that is proportional to the liquid flow rate. An unlit LED indicates no flow signal. 1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699 • sales@onicon.com System-30 BTU Measurement System BACnet MS/TP 01/09 - 0691...
ONICON’s technical support department to discuss specifics of your application In order to proceed with the following steps, the System-30 must be operating and connected to the control sys- tem. There must also be flow in pipes. Flow signal readings should be taken while holding the flow rate constant...
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