Onicon SYSTEM-20, Installation And Operation Manual

Page 1: ...ONICON Flow and Energy Measurement SYSTEM 20 SYSTEM 20 BTU METER BTU METER INSTALLATION AND OPERATION GUIDE INSTALLATION AND OPERATION GUIDE DOC 0003557 Rev B For Software Version 0 1 15 and Higher ...

Page 2: ... 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 Incorporated a...

Page 3: ...rmowells 11 3 2 2 2 Hot Tap Thermowells 11 3 2 3 Temperature Sensor Installation 13 3 2 3 1 ONICON STANDARD TEMPERATURE SENSOR INSTALLATION 13 3 3 ELECTRICAL INSTALLATION 15 3 3 1 Power and Signal Wiring Connections 16 3 3 2 Pulse Input and Output Wiring Connections 18 3 3 3 Analog Output and Serial Communication Wiring Connections 18 3 3 4 Temperature Sensor Wiring Connections 19 3 3 5 Temperatur...

Page 4: ...DEVICE OBJECT 30 6 4 ANALOG INPUT S 31 6 5 ANALOG VALUE S 31 6 6 BINARY VALUE S 33 6 7 MULTI STATE VALUE 34 6 8 TREND LOG MULTIPLE 35 7 0 MODBUS 35 7 1 MODBUS MEMORY MAP 36 7 2 DIAGNOSTIC FUNCTION CODE 43 7 3 REPORT SLAVE ID FUNCTION CODE 45 FRENCH TRANSLATION OF ALL WARNING CAUTION AND IMPORTANT NOTES TRADUCTIONS EN FRANÇAIS DE TOUS LES AVERTISSEMENTS MISES EN GARDE ET REMARQUES IMPORTANTES 46 ...

Page 5: ...STEM 20 Made in USA BTU HR 49 50 1 3 FLOW 4 5 6 2 1 Class II Inpu Power 20 28 AC DC 50 60 Hz 2 Input and Output Signals Three 3 pulse iinputs three 3 pulse outputs one 1 analog output 3 RS485 BACnet or MODBUS 4 ONICON Water Flow Meter ordered separately 5 Return Temperature Sensor 6 Supply Temperature Sensor 1 3 STANDARD FEATURES AND SPECIFICATIONS Single mode Btu calculations in either the heatin...

Page 6: ...h 0 20 mA outputs Suitable for use with fluid temperatures up to 200 F Platinum RTD Temperature Sensors 32 F 250 F Pair of 4 wire 1000 Ω Platinum RTD temperature sensors Suitable for use with fluid temperatures up to 250 F Please refer to ONICON s System 20 product literature or contact ONICON for help in selecting the temperature sensors and thermowells that will best fit your requirements The Sy...

Page 7: ...packaging Btu meters ordered with a flow meter and temperature sensors will be delivered configured and programmed for use together as a system The System 20 and the temperature sensor serial numbers will match The flow meter serial number will be shown on the certificate of calibration and on the System 20 display Temperature Sensors If ordered temperature sensors will generally be packed in the ...

Page 8: ...ors must be properly located within the piping system in order to ensure an accurate energy measurement The System 20 Find an easily accessible location where field wiring connections can be made and meter readings can be taken from floor level Mount the enclosure on a vibration free surface Avoid locations such as the plenum of a fan coil heat exchanger or any housing that may contain electric mo...

Page 9: ... level Mount the Btu meter on a vibration free surface Avoid sites such as the plenum of a fan coil heat exchanger or other housings containing motors The meter must be installed in protected spaces away from direct sunlight rain sleet or snow 3 1 MECHANICAL INSTALLATION 7 5 8 5 1 2 5 0 875 5pl 0 200 4pl SYSTEM 20 BTU METER 7 5 8 5 1 2 5 0 875 5pl 0 200 4pl SYSTEM 20 BTU METER 7 5 8 5 1 2 0 875 5p...

Page 10: ...crete screws 3 16 X 1 5 with maximum hex Phillips or slot heads Four mounting holes have been provided in the base of the enclosure shown below Push out the rubber seals by inserting the mounting screws Use the drilling template provided in Appendix 5 of this manual to drill the 4 holes required to mount the enclosure A DIN rail mounting hardware kit has been provided with this meter Mount the DIN...

Page 11: ...shings to ensure that tip of thermowell is inserted into flow stream 3 2 2 2 Hot Tap Thermowells Hot tap thermowells are designed for retrofit applications where it is not practical to isolate and drain the pipe section prior to installation The thermowell is installed through a 1 full port ball valve as shown in the drawing on next page A wet tap drilling machine equipped with a 7 8 drill is requ...

Page 12: ...sing gauge supplied as shown Reduce the insertion depth as necessary if strong vibrations are felt during insertion making certain that the tip of the thermowell remains fully in the flow stream Carefully tighten the position clamping nut that is located at the top of the 1 NPT hot tap adapter fitting Do not release the wiring enclosure until the position clamping nut has been tightened CAUTION 15...

Page 13: ...f the valve If resistance is felt when closing the valve open valve fully and rotate the well as you pull it further out of the pipe 3 2 3 Temperature Sensor Installation When ordered with the System 20 temperature sensors are factory matched and tagged by serial number to a specific Btu meter ONICON standard temperature sensors are also designated and labeled as the SUPPLY or RETURN sensor and mu...

Page 14: ...ERMOWELL SIGNAL RED REFERENCE BLACK SUPPLY S N 123456 PROVIDE 18 22 GA TWISTED SHIELDED PAIR COIL ONE FOOT OF EXTRA CABLE IN CONDUIT BOX 1 2 NPT WELDED BRANCH OUTLET PLACE ELECTRONICS MODULE IN BOX AFTER CONNECTING WIRES 5 8 MINIMUM HOLE SIZE 1 2 HOLE FOR CONDUIT OR STRAIN RELIEF FITTING CAUTION 18 DO NOT OVERTIGHTEN The thermowell completely seals the plumbing system Screwing in the sensor just e...

Page 15: ... 2 3 4 5 6 AUX POWER OUT A A B B A A B B 2 4 WIRE 1 TB5 TEMPERATURE 2 3 4 5 RS485 RS485 RS485COM SHIELD IN 1 IN 1 IN 2 IN 2 IN 3 IN 3 OUT 1 OUT 1 4 20mA OUT 4 20mA COM 0 10V OUT 0 10V COM 1 TB1 RS 485 2 3 4 1 2 3 4 5 1 2 3 4 5 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 1 2 3 4 5 TB6 RTD SUP TB7 RTD RET TB8 TURB TB9 FLOWMETER TB2 PULSE IN 6 6 TB 3 PULSE OUT TB4 ANA OUT SUPTEMP SUPTEMP SHIELD RETTEMP RETTEMP 24V...

Page 16: ...24V L EARTH 24V N 24V L 24V ONLY JMP1 RS485 LOAD TERMINATED UNTERMINATED TB10 2 4 WIRE 2 4 WIRE 2 4 WIRE JP3 J2 1 2 3 TB8 TURB 3 SUPPLY COMMON BLACK 2 FREQUENCY GREEN 1 24 VDC SUPPLY RED 1 2 3 TB9 FLOWMETER 5 24 VDC BLACK 4 SIGNAL COMMON 3 FREQUENCY IN 4 5 1 2 3 TB10 POWER INPUT 6 EARTH GROUND 5 N 4 L 4 5 2 4 20 mA IN 1 24 VDC RED 6 3 EARTH GROUND 2 1 L N SYS 20 AC DC POWER IN 1 2 3 4 5 1 This ter...

Page 17: ...ency Input Green TB10 4 24 VAC DC Signal Common Yellow TB10 5 24 VAC DC Direction bi directional Orange Black TB10 6 Earth Ground Direction bi directional White Black Note Wiring colors are ONLY applicable for F 3500 Series Flow Meters with Active Analog Output Models System 20 Terminal Signal Input to System 20 System 20 Terminal Power Output to Flow Meters F 4300 Series F 4600 Series F 1500 Seri...

Page 18: ... PULSE IN 2 2 PULSE IN 1 1 PULSE IN 1 1 2 AC DC POWER IN 1 2 3 4 5 6 AUX POWER OUT A A B B A A B B 2 4 WIRE 1 TB5 TEMPERATURE 2 3 4 5 RS485 RS485 RS485COM SHIELD IN 1 IN 1 IN 2 IN 2 IN 3 IN 3 OUT 1 OUT 1 4 20mA OUT 4 20mA COM 0 10V OUT 0 10V COM 1 TB1 RS 485 2 3 4 1 2 3 4 5 1 2 3 4 5 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 1 2 3 4 5 TB6 RTD SUP TB7 RTD RET TB8 TURB TB9 FLOWMETER TB2 PULSE IN 6 6 TB3 PULSE O...

Page 19: ... JP3 J2 1 2 3 TB7 RTDs RETURN 4 1 2 3 TB5 ONICON FIXED RANGE OR SCALED INPUT ANALOG TEMPERATURE SENSORS 4 RETURN TEMP 4 3 SHIELD 2 SUPPLY TEMP 1 SUPPLY TEMP 5 5 RETURN TEMP RTD SELECTION JUMPERS 1 2 3 TB6 RTDs SUPPLY 4 4 B COMPENSATION LEAD not used w 2 wire RTD 3 B RTD SIGNAL LEAD 2 A COMPENSATION LEAD not used w 2 wire RTD 1 A RTD SIGNAL LEAD 1 2 2 WIRE RTD 2 3 4 WIRE RTD 1 2 2 3 4 B COMPENSATIO...

Page 20: ...Temperature Sensor 1000 OHMS 4 WIRE PLATINUM RTD TEMPERATURE INPUTS w ATTACHED PIGTAILS CABLE TERMINAL BLOCK TB6 SUP TB7 RET 4 B COMPENSATION LEAD 3 B RTD SIGNAL LEAD 2 A COMPENSATION LEAD 1 A RTD SIGNAL LEAD Brown Yellow White Green 1000 OHMS 4 WIRE PLATINUM TEMPERATURE INPUTS w INTEGRAL CONDUIT READY JUNCTION BOX 1 2 3 4 TERMINAL BLOCK TB6 SUP TB7 RET Cable color coding to DIN 47100 4 B COMPENSA...

Page 21: ...ed 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 flow sensor location in the piping system Verify the actual location of the flow sensor in the piping system It is critical that the correct location supply or return be programmed into the meter CAUTION...

Page 22: ...U 0 Counts Auxiliary Input 3 BACK NEXT MENU 0 hours Run hours BACK Mode 1 NEXT MENU 0 kBtu Energy Total BACK Mode 2 Mode 1 NEXT MENU 0 gallons x 1 Volume Total BACK Mode 2 NEXT MENU Mode 2 Mode Status BACK NEXT MENU 0 gallons x 1 Volume Total BACK NEXT MENU 0 kBtu h x 1 Energy Rate BACK NEXT MENU 0 gpm x 1 Volume Rate BACK NEXT MENU 0 0 Deg F Supply Temperature BACK NEXT MENU 0 0 Deg F Return Temp...

Page 23: ...EXIT BACK EXIT BACK EXIT BACK EXIT BACK EXIT BACK EXIT BACK EXIT BACK EXIT BACK EXIT BACK EXIT NEXT MENU 0 gallons Prev Yr Volume NEXT MENU 0 kBtu Prev Yr Energy Mode 1 BACK EXIT BACK EXIT Mode 2 Mode 1 Mode 2 User Energy Total Mode 1 Mode 2 NEXT MENU Low Flow Alarm NEXT MENU 0 Reset Count NEXT MENU 0 Max 200 Flow Count BACK EXIT BACK EXIT BACK EXIT Diagnostics NEXT MENU Flow Meter Serial Number N...

Page 24: ... EXIT Protocol NEXT BACK EDIT NEXT BACK EDIT EXIT Max Master 2 NEXT BACK EDIT 2 127 Baud Rate 19200 NEXT BACK EDIT Odd Even None NEXT BACK EDIT NEXT BACK EDIT EXIT Set Time HH MM SS NEXT BACK EDIT 1 2 NEXT BACK EDIT EXIT Set Meter NEXT edits units of measure SAVE completes install with current settings EXIT Meter Location Return NEXT BACK EDIT EXIT Set Date YYYY MM DD NEXT Set Meter Next to comple...

Page 25: ...BACK EDIT EDIT Select Units gpm x 1 NEXT Medium Water EXIT BACK EDIT EXIT Flow Rate Units gpm x 1 Select Units NEXT BACK EDIT NEXT Flow 20mA XXXX EXIT BACK EXIT Low Flow Cutoff X X NEXT BACK EDIT EDIT of maximum flow EXIT Flow Damping 1 1 32 NEXT BACK EDIT 0 9999999 EXIT Meter Volume Units gallons Select Units NEXT BACK EDIT EXIT Low Flow Cutoff EXIT Volume Units gallons Select Units NEXT BACK EDI...

Page 26: ...IT Analog Output Max 2000 NEXT BACK EDIT NEXT BACK EDIT EDIT Analog Output Energy Rate Analog Output Min 0 Set Meter Press NEXT edit units of measure SAVE completes install with current settings Select Type Select Signal Energy Rate kBtu h Energy Rate kBtu h NEXT BACK EDIT NEXT BACK EDIT Pulse EXIT EXIT NEXT BACK EDIT NEXT BACK EDIT EXIT NEXT EXIT BACK NEXT BACK EDIT EXIT Pulse Duration 500 ms NEX...

Page 27: ... open the enclosure Refer to section 3 3 Once the cover is open locate the reset and commissioning push button shown in the drawing below Procedure for Entering the Commissioning Mode Once the cover is open locate the commissioning button shown in the diagram below It is immediately to the left of the button marked R You will need a small diameter probe 1 16 to break the seal and press the button ...

Page 28: ...e flow body is reading open The meter will not calculate energy in this state Flow RTD Short The SUPPLY temperature sensor in the flow body is reading as a short circuit The meter will not calculate energy in this state Remote RTD Open The remote RETURN temperature sensor is reading open The meter will not calculate energy in this state Remote RTD Short The remote RETURN temperature sensor is read...

Page 29: ... Clause 9 baud rate s 9600 19200 38400 76800 Device Address Binding No BBMD support registration by Foreign Devices No Character Set Supported ANSI X3 4 BACnet Interoperability Building Blocks Supported Annex K Data Sharing ReadProperty B DS RP B Data Sharing ReadProperty Multiple B DS RPM B Data Sharing WriteProperty B DS WP B Data Sharing WriteProperty Multiple B DS WPM B Device Management Dynam...

Page 30: ... Read property Read property multiple Write property Write property multiple Read range Who has I have Who is I am Device communications control Time synchronization UTC time synchronization Read only Object Types Supported Analog input Analog value Binary input Device Multi state value Trend log multiple Read only Object List Device 57017 analog input 1 10 analog value 1 24 binary value 1 10 tren...

Page 31: ...rgy rate Analog input 2 Volume rate Analog input 3 Supply temperature Analog input 4 Return temperature Analog input 5 Delta temperature Analog input 6 Peak energy rate Analog input 7 Average delta temp ACnet Engineering Units for Analog Inputs Defaults Energy rate kBtu h tons kW or MW Volume rate gpm l s ft3 m or m3 h Temperature F or C Property Default Value Read only or Writable Object Identifi...

Page 32: ...NULL NULL NULL NULL NULL Read only Relinquish Default 0 Read only Binary Value Objects Object Identifier Description Notes Binary value 1 Mode indication 0 mode 1 1 mode 2 Binary value 2 Location 0 supply 1 return Binary value 3 Single mode user energy total reset 1 reset total Binary value 4 Mode 1 user energy total reset 1 reset total Binary value 5 Mode 2 user energy total reset 1 reset total B...

Page 33: ... Out of Service FALSE Writable Number of States 11 Read only State Text Normal Low Supply Temperature High Supply Temperature Low Return Temperature Delta T Minimum High Energy Rate Low Signal Quality Comm Error Low Supply Voltage System Fault Read only Relinquish Default 0 Read only Multi state Object Object Identifier Description Notes Multi state value 1 Reports the operating status of the mete...

Page 34: ...POLLED Read only Log Interval 90000 Writable Stop When Full FALSE Read only Buffer Size 480 Read only Log Buffer Read only Record Count 0 Writable Total Record Count 0 Read only Trend log Multiple Object Object Identifier Description Notes Trendlog Multiple 1 Logs the following BACnet objects Peak energy rate Average delta temp Incremental energy total mode 1 Incremental energy total mode 2 Increm...

Page 35: ...per hour x 1 000 kBtu hr Btu x 1 000 kBtu Tons Tons Btu x 1 000 000 MBtu Watts x 1 000 kW Ton hour TonHr Watts x 1 000 x 1 000 000 MW Joules x 1 000 000 MJ Volume Rate FLow Watt hours x 1 000 kWHr Gallons per minute GPM Volume Total Liters per second L s Gallons Gal Cubic feet per minute fT3 min Liters Liters Cubic meters per hour m3 hr Cubic Feet ft3 Temperature Cubic Meters m3 Degrees Fahrenheit...

Page 36: ...e reset is complete 11 Aux Output 1 Coil NA NA Read Write Turn coil ON 1 to latch Aux I O 1 closed Turn coil to OFF 0 to latch I O 1 open Aux I O 1 must have been configured as an output at the factory and programmed for MODBUS Coil in the commissioning menu 12 Aux Output 2 Coil NA NA Read Write Turn coil ON 1 to latch Aux I O 2 closed Turn coil to OFF 0 to latch I O 2 open Aux I O 2 must have bee...

Page 37: ...loating Point Register 2 of 2 30029 Signal Strength No Units Input Register Floating Point Register 1 of 2 Range 1 31 1 is highest signal strength 31 is lowest signal strength 30030 Signal Strength No Units Input Register Floating Point Register 2 of 2 Range 1 31 1 is highest signal strength 31 is lowest signal strength 30031 Signal Quality No Units Input Register Floating Point Register 1 of 2 30...

Page 38: ...Date Energy Total Single Mode kWHr Input Register Floating Point Register 1 of 2 30076 Year to Date Energy Total Single Mode kWHr Input Register Floating Point Register 2 of 2 30077 Year to Date Energy Total Mode 1 kBtu Input Register Floating Point Register 1 of 2 30078 Year to Date Energy Total Mode 1 kBtu Input Register Floating Point Register 2 of 2 30079 Year to Date Energy Total Mode 1 MBtu ...

Page 39: ...MJ Input Register Floating Point Register 2 of 2 30125 Previous Year Energy Total Mode 2 kWHr Input Register Floating Point Register 1 of 2 30126 Previous Year Energy Total Mode 2 kWHr Input Register Floating Point Register 2 of 2 30127 User Defined Energy Total Single Mode kBtu Input Register Floating Point Register 1 of 2 30128 User Defined Energy Total Single Mode kBtu Input Register Floating P...

Page 40: ...s Input Register Floating Point Register 1 of 2 30176 Volume Total Mode 2 Liters Input Register Floating Point Register 2 of 2 30177 Volume Total Mode 2 ft3 Input Register Floating Point Register 1 of 2 30178 Volume Total Mode 2 ft3 Input Register Floating Point Register 2 of 2 30179 Volume Total Mode 2 m3 Input Register Floating Point Register 1 of 2 30180 Volume Total Mode 2 m3 Input Register Fl...

Page 41: ...de 2 Liters Input Register Floating Point Register 2 of 2 30225 Previous Year Volume Total Mode 2 ft3 Input Register Floating Point Register 1 of 2 30226 Previous Year Volume Total Mode 2 ft3 Input Register Floating Point Register 2 of 2 30227 Previous Year Volume Total Mode 2 m3 Input Register Floating Point Register 1 of 2 30228 Previous Year Volume Total Mode 2 m3 Input Register Floating Point ...

Page 42: ...f pulses received on input 30256 Auxiliary Pulse Input Count Input 2 Input Register Floating Point Register 2 of 2 Unitless count Value is representative of the total number of pulses received on input 30257 Auxiliary Pulse Input Count Input 3 Input Register Floating Point Register 1 of 2 Unitless count Value is representative of the total number of pulses received on input 30258 Auxiliary Pulse I...

Page 43: ...entire response message should be identical to the request 01 Restart Communications Option The System 40 serial line port will be initialized and restarted and all of its communications event counters are cleared If the port is currently in Listen Only Mode no response is returned This function is the only one that brings the port out of Listen Only Mode If the port is not currently in Listen Onl...

Page 44: ...d since its last restart restart communications option or power up This count is also available in the System 40 s diagnostic menu page 15 0F Hex Return Server No Response Count The response data field returns the quantity of messages addressed to the System 40 for which it has returned no response neither a normal response nor an exception response since its last restart restart communications op...

Page 45: ...en a message is sent to the System 40 requesting to report the slave ID the following information is returned System 40 XXXXXX where XXXXXX serial number of the System 40 The System 40 will report data in decimal or HEX depending on the control system settings The data must be converted from decimal HEX to ASCII in order to form the string 7 3 REPORT SLAVE ID FUNCTION CODE ...

Page 46: ... Risque d explosion d incendie et de brûlures NE PAS recharger désassembler écraser chauffer à une température supérieure à 212 F 100 C ou incinérer Veuillez vérifier vos ordonnances locales pour des informations concernant la mise au rebut de la batterie 5 REMARQUE IMPORTANTE Le System 20 peut être installé à l extérieur dans des espaces protégés à l abri de la lumière directe du soleil de la plu...

Page 47: ...n laissera la pression expulser soudainement et rapidement le puits thermométrique du tuyau ce qui pourrait entraîner des blessures graves Le puits thermométrique pourrait également être endommagé ou brisé provoquant ainsi une rupture dans le joint hydraulique et par conséquent la perte de grandes quantités d eau 13 MISE EN GARDE Des vibrations excessives risquent d endommager le puits thermométri...

Page 48: ... avec le fond du puits thermométrique 18 MISE EN GARDE Lors du démarrage et de la mise en service l emplacement associé au DÉBIT doit être correctement identifié dans le tuyau d alimentation ou de retour du circuit d échange thermique L emplacement du capteur doit être ensuite programmé dans le compteur Le non respect de cette instruction provoquera d importantes erreurs de mesures du flux et de l...

Page 49: ...nicon com sales onicon com 2066 1 03 18 ONICON System 20 Drilling Template Use this drilling template to drill the 4 holes required to mount the enclosure The mounting surface must be structurally sound and capable of withstanding a minimum weight of 40lbs 18kg Use the following screws for mounting 4 Machine screws 10 24 X 1 5 4 Wood screws No 10 X 1 5 4 Concrete screws 3 16 X 1 5 with maximum hex...