EC-Gold Dual Gas Concentration Transmitter User Manual
Contents
1. EC Gold Dual EC Gold Dual RLU Application Figure 1 1 3 Wire Discrete Voltage Output shielded connection To other sensors UU UUUUUUUU E DB ELE CL E E E T EC Gold EC Gold Dual EC Gold Dual Gas Alert Application Figure 1 2 24 VDC 2 Wires To other sensors Up to 80 2 Wires RS 485 Network Up to 128 Transmitters on the Network Sensors 4 20 mA Output 4 20 We Ww oooo e JUUUUUUUUU WOU UT EC Gold EC Gold Dual EC Gold Dual PG 2000 Network Application PG 2000 Scanner Figure 1 3 5 Rev 1 3 ECGOLDDUALUM 13 doc Model EC GOLD Dual 1 3 Specifications OPERATION PUSH TEST FEATURE LCD DISPLAY KEYPAD USER INTERFACE Calibration and setup Push Test Network INPUTS Port 1 EC1 Port 2 EC2 Port 3 Port 4 OUTPUTS mA output DC Voltage output mA Voltage output RLU DV output Alarms Alarm Indication PERFORMANCE POWER The EC Gold Dual is a multi sensor gas detector A variety of gases may be sensed when fitted with2. Gas Concentration Transmitter User Manual Technical Support Continental North America Toll Free 1 800 387 9487 Ph 1 905 829 2418 Fx 1 905 829 4701 JA A Product of Arjay Engineering Ltd Oakville Ontario Canada www ArjayEng com www EnmetGasDetection com Multi Sensor Gas Detector Stand alone gas monitoring for commercial and light industrial applications The EC Gold Dual is ideal for any size facility where one or multiple gases need to be monitored More than 30 years of gas detection experience has contributed to this highly functional detector e one or two onboard sensors ie CO and e two optional remote sensors ie toxic combustible or any analog device e LCD display buzzer 3 relays RS 485 communication 4 20 mA output and a keypad interface are standard e ideal for maintenance garages fire and ambulance stations service storage and repair bays chiller rooms factories and laboratories 4 20 mA RS 485 output gt gt relay outputs f gt LCD Display Menu Keys and audio acknowledge Optional remote sensor input Typical Configuration CO onboard main unit with a remote CO NO or propane The EC Gold Dual offers complete flexibility in meeting your gas detection needs The standard unit includes 3 relays They are factory set to High Low and fault
3. colors Low Alarm High Alarm Hi Hi Alarm Status 2 Buzzer has built in ACk Q Monox CO Sensor EC GOLD DUAL BASE NOTES 1 All dimensions are in inches mm 2 Dimensions of the Dual EC Gold are approx 9 6 x 6 3 inches 3 Dimensions of the Power Supply are approx 7 75 x 3 6 inches 00000 5 25 24 Input 100 240 0 7 50 60Hz gt lt Output 24VDC 1 1A Mounting Holes AE di 4 Places rn DRAWN F H 16 CHECKED APPROVED E90756 POWER SUPPLY REV DATE DISCRIPTION CHK D APP D REVISIONS A AY ARJAY PROJECT gt ENGINEERING LIMITED DWG BY DATE TITLE DUAL GOLD WITH SCALE N T S REF DWGS DWG NO 20070126 SHT REV MAINTENANCE AND CALIBRATION Your ARJAY ENMET gas detector is the state of the art in gas detection but like any other part of your ventilation system it requires periodic maintenance and calibration There are various sensor technologies that may be used in your Arjay gas monitor including solid state MOS Electrochemical Infrared and Pellister Pair Hot wire These have a normal operating life of 3 to 5 years under ambient conditions You
4. Out RS 485 Network 24VAC DC Input RN em 1 m e Jumper In a c gt for DC Power 0 0 e EEE 2O gora NN I I T Buzzer 1 d N Sensor g3 7 a Re Buzzer has built in m gt ms eZ 9 7 Sensor o2 TAS A SZ Figure 2 1 Sensor Remote XMTR Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 EC Gold Dual and PG 2000 or Central Access Panel Electrical Installationion 4 Wires Shielded Shielded connected at this point only GND 24VAC VDC __ D ORS D E RS 485 Communication 2 Wires Wire C STATUS D cm 0 mA Vout 0 9 24VAC DC mA Vout M 24VAC DC OOH N Buzzer has built in Buzzer has built in C E 7 C ARIAY www arjayeng com NEMOTO CO Sensor NEMOTO CO Sensor T Hi Alarm ilHi Alarm Hi Alarme 24VDC 24VDC z Sig In F GND me mc m Sensor Remote XMTR
5. E amm E 3 mw T 22 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 7 0 TROUBLESHOOTING ERROR DESCRIPTION WHAT TO DO Check the power to the unit The voltage should be 24VAC DC at the power connector with the positive and negative connected as shown on 1 No Output and all lights off the connector label Make sure 1 is in place for DC voltage If the Power checks out call Arjay Service Make sure that the EC Gold Dual output mode is set to Analog mode and not to Discrete Voltage Output mode See Controller Settings Sheet section for details Make sure the maximum range of the remote XMTR is the same as the 279 calibration point Ex 20mA 200ppm CO Calibration may be required See the calibration section for details Call Arjay Enmet Service for Help if none of the above fixes the problem In Discrete Voltage Output mode the me a ISA 66RLU or Gas Alert connected to pM the EC Gold always shows Sensor Fault Output mode and not to 420mA output does not track the gas concentration 23 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 8 0 CONTROLLER SETTINGS SHEET LLL The factory settings column below lists the typical default settings The user may change these values at any time If changed please fill in the USER SETTING column for future reference FACTORY USER ELM are2 main output modes OUTPUT MODE Analog 4 20 mA and DVO discrete V
6. 11 3 2 12 3 3 Menu 12 3 3 1 Normal Operating Menu Flow 13 3 3 2 Sensors Setup Menu Flow 14 4 0 CALIBRATION Mc 15 4 1 ANID FAT OMINOUS a a E a 15 4 2 Calibration Procedures Full Feature Mode with LCD KEYPAD 15 4 3 Calibration Procedures Standard Feature Mode Without LCD KEYPAD 18 4 3 1 CALIBRATION NOW ES 2 18 432 SINGLE POINT CALIBRATION 18 5 0 PUSH TO TEST FEATURE c Ue 19 6 0 EG GOED DUAL MODBUS 20 6 1 1 1 dios oe ded 20 6 2 Ec Gold Dual Modbus Register Mapping 21 7 0 TROUBLESHOOTING 225 dota ode ___ nds 23 8 0 CONTROLLER SETTINGS SHEET Lire hune bedeutete iie ducatus 24 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 1 0 INSTRUMENT OVERVIEW 1 1 Features e Gas monitor for a large variety of gas types e Can monitor up to 4 different sensor inputs at one time Port 1 on board CO Carbon Monoxide Electrochemical Port 2 on board electrochemical for NO2 Nitrogen Dioxide CL2 Chlorine H2S Hydrogen Sulfide NH3 Ammonia and others Port 3 integral or re
7. 2 RW ame _______ RW ______ RW ______ 2 RW awe RW 8 RW umo ______ 8 RW Laws aew RW axe 8 RW Luxe axe 2 RW 2 Aw 21 m R W Hun Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 axe E ame E RW A axe ame 2 RW sope 2 40078 ouput ofset Factory use ony 2 Laws High High larvae cht RW ____ ____ xs 2 RW amm RW am ionam RW aw Mamas RW amm RW ax RW amm 2 RW um waens RW RW amm mm 2 RW RW amo edo _ amos Electrochemical Sensor 2 edo _ amor mvtrMOSSemo edo _ amo O 2 edo _ an PV tor Monox Sensor _ PVfrEeomehemkaSemo 2 Redon _ PvirMOSSesr 2 edo _ am FWatm E amm
8. NEMOTO CO Sensor gt mum E MOS Sensor Remote XMTR Calibration Push Test 24VDC z Sig In GND Pushbutton Pushbutton LED Status Color Meaning Green Instrument ok no faults Will remain green for Low Hi and Hi Hi alarm Push Test Pushbutton Red Instrument failure Sensor Fault condition Calibration Pushbutton Yellow Low Alarm Red High Alarm Red Hi Hi Alarm Buzzer on Figure 3 0 3 1 Notes On The User Interface The EC Gold Dual can monitor up to 4 different Sensor inputs at one time Port 1 on board CO carbon monoxide sensor Port 2 on board electrochemical sensor Port 3 remote MOS sensor Port 4 remote 4 20 mA Input Transmitter The standard model provides 3 relays a 4 20mA output and an RS 485 interface The full feature model provides the addition of an LCD display of concentration buzzer with silence and keypad interface The EC Gold Dual may be configured and calibrated using the following methods 1 Using the calibration pushbutton basic model without keypad The pushbutton is accessible without removing the front cover 11 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 2 Using the keypad and display full feature model The user follows the menus on the display 3 Using Arjay s optional 2000 CAL hand held calibrator The calibrator communicates with the EC Gold Dual via the
9. SGND connection on Gas Alert NOT made to ED Gold Dual DVO Connector 25 858 lt lt lt FTI CQ Buzzer uzzer has built in Hi Hi Al Hi Al Low Al Hi Hi Al Hi Al Low Al Figure 2 4 All user connections are via mating plug receptacle connectors to make installation and service easier CAUTION THE UNIT HOUSES SENSITIVE ELECTRONIC COMPONENTS AND SHOULD BE HANDLED WITH CARE IF PUNCHING OR DRILLING THROUGH THE ENCLOSURE WALLS 15 NECESSARY MAKE SURE THAT THE INTERNAL ELECTRONIC MODULES ARE SHIELDED FROM DEBRIS ESPECIALLY METAL PARTICLES PLEASE MAKE SURE THAT THE CONNECTIONS HAVE THE POLARITY AS INDICATED OR THE CONTROLLER MAY BE DAMAGED USE GOOD INSTALLATION PRACTICE DO NOT RUN HIGH VOLTAGE CABLE IN THE SAME CONDUIT AS SIGNAL WIRES 10 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 3 0 STARTUP AND CONFIGURATION User Interface Overview With Cover E E mA Vout B Gnd c M 24VAC DC OO e Jo zc 8 Buzzer Low Alarm Hi Alarm Hi Hi Alarm Buzzer has built in
10. d dt Figure 2 0 Locate the EC Gold Dual on a vertical surface away from drafts open doors or windows condensation or dripping moisture The vertical placement above the floor depends on the gas being monitored For CO the unit ECGOLDDUALUM 13 doc 2 Dual 3 4 amp 1 2 Knock Outs for top 6 25 S059 2 CANADA LTD LCD www arjayeng com K AS SELECT 9 61 With Cover should be located within the breathing zone about 4 5 feet above the finished floor For other gases refer to an Arjay Engineering representative Check local building codes i e Ontario Building code requires mounting 2711 to 3711 Model EC GOLD Dual 2 2 Electrical Installation ECGOLDDUALUM 13 doc Rev 1 3 EC Gold Dual Stand Alone Electrical Installationion Use good installation practice Do not run High Voltage cables in the same conduit as signal wires For Network applications the 2 wires RS 485 network connects to the PG 2000 Scanner or Central Access Panel For RLU Loop alarm only applications the output is configured for Loop output and connects to the corresponding Zone connection on the ISA 66 RLU board a Z Z 2 2 Hi Hi Alarm Hi Alarm Low Alarm 06500650520
11. First Cal point Enter ppm and corresp Second Cal point Enter ppm and corresponding mV e g 100ppm 400mV Type or Port Sensor serial number Low alarm value SENSOR 4 High alarm value Hi Hi alarm value Span Value First Cal point Enter ppm and corresponding mV e g Oppm 150mV Second Cal point Enter ppm and corresponding mV e g 100ppm 400mV 25 2 2 3 lt e lt TOP VIEW 6 254 CANADA LTD LCD www arjayeng com V MENU n ELE 4 FRONT VIEW with COVER BOTTOM VIEW 4 0 875 x 1 0125 Double Knock Outs for 9 61 conduit or cable D D BM 7 M 24VACIDC M z I 2 colors Low Alarm High Alarm Hi Hi Alarm 00000 Status 7 86 Buzzer Low Alarm rm 2 Buzzer has built in Calibration Gas Ports High A m 2 Hi Hi Ala z i pH n 88 PUSH MOS Toxic CALIBRATION Sensor BUTTON FRONT VIEW without COVER RELAY K3 IS FACTORY SET AS FAULT RELAY WHEN USING MOS SENSORS 02 SENSORS 4 REMOTE TRANSMITTERS JP1 IN FOR DC POWER INPUT JP2 IN FOR DVO OUTPUT KEYPAD CONNECTOR REMOTE XMTR CONNEC
12. MOS Sensor Remote XMTR Figure 2 2 EC Gold Dual and ISA 66 RLU Electrical Installationion For clarity only Zone 5 is shown connected sensors pr zone Typically around 20 depending on wires sizes and lengths SGND connection on ISA 66 RLU NOT made to EC Gold Dual 4321 4321 2 4321 4321 ZONE4 4321 5 G m D p m Gnd M D S D p 24VAC DC mA Vout IN D Gnd 24AVACIDC 1 mA Vout 6 IN To other gt Zones QQ QQ Hi Alarme Status 2 5 Low Alarm gt Status 2 colors Low Hi Alarme Buzzer has built in ACk Buzzer has built in NEMOTO CO Sensor NEMOTO CO Sensor 24VDC z Sig In GND 24VDC z Sig In GND MOS Sensor Remote XMTR Sensor Remote XMTR Figure 2 3 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 EC Gold Dual and Gas Alert Electrical Installationion Gas Alert The Gas Alert only accommodates a single zone Sensors per zone Typically around 20 depending on wires sizes and lengths
13. RS 485 connection using the modbus protocol The calibrators LCD and keypad offer a more convenient method of setting up and calibrating the EC Gold Dual unit 3 2 Startup Power up the unit The status LED should be green The High and Low alarm LED s should off in less than a minute The unit is normally pre configured and calibrated at the factory so field setup is not required on startup To re calibrate see section 4 0 Calibration To re enter or modify settings follow the procedures described below Only the full feature model interface procedure is described here 3 3 Menu Configuration After powering up the unit and under normal operating conditions the LCD displays the Normal Operating Menu See the next page for detail Menu configuration gt The Default Password 2000 Alrm Del Alarm and Buzzer Delay Setup Alarm Delay On and Off Time in seconds setup Buzzer Delay On time in seconds Ki Relay 1 Alarm Delay On Off time K2 Relay 2 Alarm Delay On Off time K3 Relay 3 Alarm Delay On Off time Buzzer Delay On time Sel Snsr Select Sensor A1 Relay 1 Alarm Setting Value normally Low alarm value A2 Relay 2 Alarm Setting Value normally High alarm value A3 Relay 3 Alarm Setting Value normally Hi Hi alarm value 212 Model EC GOLD Dual ECGOLDDUALUM 13 doc 3 3 1 Normal Operating Menu Flow Chart Normal Operating Menu Press and hold MENU key Default Password
14. should consider a preventive maintenance schedule whereby you test your system on a periodic basis to ensure its proper calibration and operation For solid state MOS sensors we recommend calibration every 3 to 4 months for a typical garage application For Electrochemical sensors we recommend calibration every 6 months for a typical garage application Pellister Pair we recommend every 3 to 4 months and Infrared we recommend every 6 months For applications that are more sensitive or where internal policies exist a higher frequency of calibration may be required This is a simple procedure which will indicate any problems with your system A test and calibration kit may be purchased from ARJAY ENGINEERING for this purpose Parts are also readily available from our facility MAINTENANCE CONTRACT Alternatively you may wish to consider a Maintenance Contract with ARJAY ENGINEERING whereby one of our service technicians comes to your site and checks out the unit for proper calibration and operation on a regularly scheduled basis This is done on a flat per annum fee All parts are extra Typical target gases are included however exotic or specialty gases may have a surcharge If you wish us to quote a Maintenance Contract fill in the section below and return to our office COMPANY ADDRESS CONTACT PERSON EMAIL MODEL AND SERIAL __________________ Fax to address below or e mail to arjay arjayeng com Telephone 1 905
15. the appropriate sensors On demand using the Push to Test pushbutton 2 8 LCD display showing ppm concentrations and calibration menus Keypad LCD pushbutton and LED status lights Pushbutton RS 485 modbus protocol Used either with the ARJAY ENMET CAP unit or via third party modbus compatible systems on board CO Carbon Monoxide Electrochemical on board electrochemical for NO2 Nitrogen Dioxide CL2 Chlorine H2S Hydrogen Sulfide NH3 Ammonia and others integral or remote MOS broad range toxic combustibles and catalytic combustibles remote 4 20 mA input transmitters When configured for Analog output 4 20mA into 700 ohms max When configured for Voltage output 2 10V proportional to calibrated range 0 196 resolution non isolated When configured for RLU Discrete Voltage Output mode OV No Alarm 1 8V Low Alarm 2 8V High Alarm 10V Sensor Fault Sensor Fault only detected with CO sensor 3 alarms High High High Low and Optional System Fault May be factory selected High Red Low Yellow and a 2 color LED for Sensor Fault Red and No Alarms Green The 2 color LED is also used to flash calibration errors Red for 2 seconds after an unsuccessful calibration Accuracy 2 of Full Scale Range the accuracy is limited by the sensors the electronic accuracy is better than 196 12VDC 24VDC 200mA max OR 24VAC INPUT See JP1 Jumper in Fig 2 1 Requires extra current if wiring exte
16. where a control panel is desirable at each fan location or in central location Figure 1 3 EC Gold Dual can be combined with other EC Gold Dual or EC Gold sensors to the PG 2000 panel using the RS 485 communication to address each sensor Ideal for applications that require more complex zone control or analog outputs for VFD fan control ON Y 3 4 amp 1 2 Knock Outs for rear entry cabling V CA CN D 9 E D 7 Gnd c M 24VAC DC mA NVout M OO o LCD www arjayeng com Low Alarm 4 Hi Hi Alarm af 58 Buzzer Sensor Buzzer has built in CO Sensor 24VDC z Sig In GND nsor Remote XMTR WITHOUT COVER FRONT COVER EC Gold Dual Stand Alone Application Figure 1 0 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 3 Wire Discrete Voltage Output shielded connection To other sensors ZONE 1 2 BUZZER
17. 2000 Press SELECT Press lt A gt Key twice and press SELECT four times to go to the Sensors Setup Menu Press A Key SETUP Press V Key SETUP Exit Press lt A gt Key LS Nsors Press lt v gt Key LAltm Del press lt v gt Key Press A Key Press SELECT Press V Key Press SELECT Next Page Notes 1 Set Relays and Buzzer Delay On Time second Press SELECT to move cursor Press A V to increase decrease the value 2 Set Relay Delay Off Time second Press SELECT to move cursor Press A V to increase decrease the value Alarm Delay Setup Menu SETUP ull Bess K1 Press lt K2 Press v Press V Buzzer Press SELECT K1 Delay See 0 Note1 Press lt SELECT gt K1 Delay See Off 0 Note2 Press lt SELECT gt Press lt A gt Key Press lt SELECT gt K2 Delay See On 0 1 Press lt SELECT gt K2 Delay See Off 0 Note2 Press lt SELECT gt 1 CO SETUP Press lt 5 gt Press SELECT Press SELECT K3 Delay See On 0 Note1 Press lt SELECT gt K3 Delay See Off 0 Note2 Press lt SELECT gt NET ID XX Press lt A gt Press lt V gt Relay Press lt SELECT gt Buzzer See On 0 Note1 Press lt SELECT gt Press lt A gt Press lt v gt LExit Rev 1 3 Model EC GOLD Dual ECGOLDDUALUM13 doc 3 3 2 Sensors
18. 829 2418 ARJAY ENGINEERING LTD fe Telefax 1 905 829 4701 2851 Brighton Rd Quality Management Systems IN America Toll 800 387 9487 Systeme Qualit www ca sgs com Internet www arjayEng com Oakville Ontario Canada L6H 6C9 SS E Mail arjay arjayEng com ARJAY ARJAY ENGINEERING LTD GUARANTEE We hereby guarantee this instrument to be free from defects in workmanship and materials and if found defective in workmanship or materials upon being returned to our factory prepaid within one year from date of purchase it will be repaired or replaced at factory without charge However if upon being returned and after inspection there is evidence that the instrument has been subjected to tampering careless handling improper or faulty application or installation the above guarantee shall not be applicable and we Shall have the right in any such case to make a charge to cover the cost of repairs servicing and transportation expense The undersigned assumes and shall have no liability for consequential damages resulting from the use or misuse of the instrument The foregoing guarantee is in lieu of all other guarantees or warranties expressed or implied and all other obligations or liabilities contractual or otherwise either to the original purchaser of said instrument or to any other person whomever BY ARJAY ENGINEERING LTD For service call ARJAY Engineering Ltd direct
19. CSA UL 1 IP40 Surface mount 24 vac or 24 vdc 0 2 amp 325 with MOS 3xSPDT 10 amp 240 vac 4 20 mA 700 ohms 24 vdc units only RS 485 Modbus Typical Gases CO carbon monoxide 0 500 ppm factory shipped 0 200 ppm nitrogen dioxide 0 20 ppm NH3 ammonia 0 100 ppm H S hydrogen sulphide 0 100 ppm factory shipped 0 10 ppm Cl chlorine 0 10 ppm oxygen 0 30 combustibles refrigerants ISO 9001 2008 Ouality Management Systems Syst me de Qualit Www ca sgs com CANADA LTD Enmet Canada Ltd is the gas detection division of Arjay Engineering Ltd 2851 Brighton Road Oakville Ontario Canada L6H 6C9 www SkitterNet com telephone 1 905 829 2418 N America toll free 1 800 387 9487 fax 1 905 829 4701 ECD11b Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 TABLE OF CONTENTS 1 0 INSTRUMEBNTAOVERVIENW tait 3 1 1 gib e 3 1 2 DSSCHONOM Re E 3 1 3 e 6 2 0 INSTALEA MON ee Seta RS 7 2 1 Mechanical Installation d ped 7 2 2 55 e Uta diaeta doi 8 3 0 STARTUP AND CONFIGURATION 0ssseccccceeeeeeeeeeeeeeeeseeeceeeeeeeeseeseseseuaeaaaaeeess 11 3 1 Notes On The User
20. O or 10 ppm NO2 f either setting is in doubt then see section 7 controller setting sheet 18 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 1 Determine what Calibration gas concentration the EC Gold Dual is expecting This value is listed on the packing slip and may be recorded in the back of the user manual in the CONTROLLER SETTINGS sheet for future reference 2 The gas sensor is mounted directly behind the Calibration Port in the middle of the front plate of the EC Gold Dual housing See Fig 4 1 Insert the Quick Disconnect tube into the EC Gold s Dual Calibration Port 3 Start gassing the sensor by opening the valve the canister The flow rate is preset to 0 5 Lom or 1 SCFH Standard Cubic Foot per Hour Wait about 90 seconds 4 Press and hold the calibration pushbutton via the access hole see Fig 4 1 until the Status LED glows orange acknowledging the calibration request Release the pushbutton 5 Ifthe Status LED remains green after the Calibration pushbutton is released then the Calibration has been successfully completed If the calibration was successful the Status LED remains green If there was a calibration error such as not enough change for the gas concentration used then the Status LED shows red for about 2 3 seconds before reverting back to green THIS COMPLETES THE CALIBRATION PROCEDURE FOR STANDARD FEATURE CONTROLLER 5 0 PUSH TO TEST FEATURE The Push to Test feature allows the customer
21. PLETES THE CALIBRATION PROCEDURE FOR FULL FEATURE CONTROLLER 17 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 4 3 Calibration Procedures Standard Feature Mode Without LCD KEYPAD 4 3 1 CALIBRATION NOTES The EC Gold Dual may be calibrated using a Single Point calibration procedure by using calibration push button The Calibration pushbutton may be accessed using a screwdriver or other fine tool See Figure 4 1 for the location of the access hole A full Dual Point calibration is always performed at the factory and involves zeroing the sensor in clean air then calibrating at a preset gas concentration The Single Point calibration is typically used in the field since it is more convenient Also it does not require clean air as one of the calibration points since clean air cannot be guaranteed in all installations A Single Point calibration assumes the unit has already been zeroed This is always true for new units from the factory Calibration EC2 EC1 Calibration Ports Flowrate Regulator preset for 0 5 Lpm Male Quick Disconnect tube inserted into EC Gold _ Dual Calibration Ports n access hole EC1 amp EC2 6 feet of 5 16 O D x 3 16 I D flexible clear tubing D Flow On Off Knob Cal Gas Canister Figure 4 1 4 3 2 SINGLE POINT CALIBRATION The calibration gas concentration value must be known The unit comes factory set for Single Point Calibration 100 ppm C
22. Setup Menu Flow Chart Sensors Setup Menu SETUP Sensors Press lt A gt Press lt SELECT gt Press lt V gt Press lt SELECT gt See Note 1 amp 2 Press lt SELECT gt Go to 4 0 CALIBRATION Press lt MENU gt Press lt SELECT gt Go to 4 0 CALIBRATION Press lt MENU gt See Note 3 See Note 4 1 Press lt SELECT gt Ala XX Press SELECT See Note 3 See Note 4 1 CO Press SELECT A2 XX Press SELECT Press MENU Press SELECT Press MENU Press SELECT See Note 3 See Note 4 Press SELECT CO Press lt SELECT gt 1 CO Press MENU Press SELECT 14 Rev 1 3 Press SELECT 1 Press Vb 2 NO2 Press V 3 XX Press V H4 XX Press lt A gt Press lt V gt Exit Note 1 These screens only show up when sensors are chosen For example if only choose one sensor all the three screens inside the dot line will not show up If choose 2 sensors the first 2 screens 1 amp 2 will show up and the the last two screens 3 amp 4 will not show up All the sensors have the same menu chart as Sensor 1 set Relay Action Mode Press lt A gt and lt V gt key to toggle between A and v Relay on if higher then the setting value v Relay on if lower then the setting value I Set Relay Alarm Values XX Relay setting values P
23. TOR PUSH TO TEST BUTTON 2 12 06 13 ADDED SPECIAL NOTE FOR RELAY HI HI K3 1 24 06 10 CHANGED MONOX TO NEMOTO CO SENSOR amp ADDED PUSH TO TEST BUTTONS REV DATE DISCRIPTION REVISIONS ARJAY PROJECT RJAY ENGINEERING LIMITED DWG DATE STATUS BY ILE DRAWN P S 01 03 07 CHECKED WITH KEYPAD APPROVED DUAL EC GOLD INSTALLATION REF DWGS DWG NO WEE 20060392 SHT REV 79 196 9 2 COND 16G CABLE PUWER SUPPLY 90756 Dual 3 4 amp 1 2 diam knock outs for SUPPLIED BY conduit cable CUSTOMER gt w _ m JD B4 OD _ SELECT ers GOLD DUAL O O O O O POWER SUPPLY BASE GROUND noon DO Hi Hi Alarm High Alarm Low Alarm 16010106106 RO QOO OD oGOGO0696 VU RN 190 ed 24VDC D m D m mA V out c Gnd W1 2AVACIDC
24. and activated by all of the sensors The standard 4 20 mA output can be designated to one sensor or scan all sensor inputs simultaneously to represent the highest concentration The RS 485 Modbus communication is always available The Full Feature package includes a LCD display of the gas concentration a buzzer with silence and a keypad interface for user set up and calibration 24 vac vdc input 4 20 mA RS 485 Modbus output High low and fault relays audio alarm eOe ENOT onboard toxics inputs from NO CL2 EC GOLD NH3 H55 oreo tps CO sensor Plug in connectors and easy access sensors for fast maintenance Optional Power Transformer Fan Interlock Example Available with remote sensor capability JARJAY ENGINEERING Features and Benefits analog and relay outputs for control interface metal sensor guard e top bottom and rear conduit entry 3 year sensor guarantee CO sensor on board diagnostics up to four sensor inputs remote sensor input capability LCD display of concentration LED Alarm Status indication Buzzer with silence Keypad menu driven set up Single analog output representing highest sensor concentration for easy fan speed control or logging Push to Test button to confirm interlocks Technical Specifications Control Unit Operating Temperature Approvals to Enclosure Mounting Power Input Relays Analog Output Communication 20 C to 40 C indoor use
25. d calibration XXX mv XXX Apply the Gas in the sensor hole EC1 EC1 is for Carbon Monoxide EC2 is for other types of gas such as NO2 Start gassing the sensor by opening the valve on the canister The flow rate is set to 0 5 Lom or 1 SCFH Standard Cubic Foot per Hour Wait about 90 seconds After this if the mv value is changing within 5 mv for a minimum of 10 seconds the instrument will automatically accept the second point Or press SELECT key to manually accept the second point If the calibration was successful the LCD displays the following Otherwise the LCD displays the calibration error message 1 CO Cal OK The Cal OK or Error Message only displays a couple of seconds then the LCD displays the following alarm 1 setting value 1 CO 35 Press lt MENU gt key to bypass the Alarm value setting menu until the following Sensor Selection Menu shows up 16 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 Sel Snsr 1 CO 12 Press lt A gt or lt V gt key to select the 2 Sensor or Exit If choose the 2 Sensor the LCD displays the following Sel Snsr 2 NO2 13 Press lt SELECT gt Key to the second sensor calibration menu If the sensor is mA input sensor then go to step 14 2 NO2 Zero The calibration procedure for second sensor is the same as the first sensor except for applying gas to sensor hole EC2 Follow the steps 3 12 then press MENU key to go to the normal w
26. iguration Parameter settings 9600 Baud Rate Even Parity 8 Data Bits and 1 Stop Bit Wiring connection RS485 connect to D RS485 connect to D 20 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 6 2 Ec Gold Dual Modbus Register Mapping REG DESCRIPTION No of Reg Readiwrite uxo Serial umber _ Lame Wave Fev Sofware Rev be 1 a aoo Instrument taus Mode byte axo mA Output Link Node 1 RW aos ____ 1 RW aos Precison cra Precison 1 RW 40007 GasNocha GasNocmt 1 RW xo Gas NoCha GasNochs w 40009 Sensor Link ona Sensoren w 40010 Sensor Link Cha Sensoren a Alarm Mode Mode cnt 1 mw asa Alarm Mode Cha Alarm Mode cna 1 mw Cum balay Gn Rett m 1 uw DewOnRey 1 RW aw DewOnReys _____ t RW more RW ______ 3 m Sope or Monox Sensor wa 2 RW aes Slope for Electrochemical an 2 mw SepetrMOSsemo 2 RW aos 2 RW Sensor 2 RW aoo Offset tor Electrochemical Get 2 w 0085 OWerMOSsemo RW Laos Offset for420mAinputsensor
27. ly Canada 905 829 2418 North American Toll Free 1 800 387 9487 Fax 905 829 4701 Internet www arjayeng com E mail arjay arjayeng com Telephone 1 905 829 2418 ARJAY ENGINEERING LTD 7 80 90012008 Telefax 1 905 829 4701 2851 Brighton Rd E Management systems America Toll 800 387 9487 www ca sgs com Internet www arjayEng com Oakville Ontario Canada L6H 6C9 E Mail arjay arjayEng com
28. mote MOS broad range toxic and combustibles Port 4 remote 4 20 mA input transmitters e Carbon Monoxide sensor has expected life of 5 years min 3 year guarantee e Other sensors have expected life of 2 years 1 year guarantee e Output may be user selectable for analog 4 20mA 2 10V or Arjay s Discrete Voltage Output DVO e Convenient pushbutton calibration e User selectable for Single or Dual Point calibration e High High High Low and optional System Fault Indication in place of High High alarm e User selectable High and Low Alarm levels e Modbus protocol RS 485 for access by Arjay Enmet Central Access Panel compatible system e be used as a stand alone gas detector or be used with other EC Gold sensors for interfacing with an Arjay Central control panel or customer system e User specified custom features might be added by contacting Arjay Engineering Ltd 1 2 Description The EC Gold Dual can be used a Stand Alone gas detector with relays and outputs available to communicate with remote devices such as alarms fans and building automation systems The standard model provides 3 relays a 4 20 mA output and an RS 485 interface The full feature model provides the addition of an LCD display of concentration buzzer with silence and keypad interface The 4 20 mA output will represent the peak value determined from all sensor inputs based on the percentage concentration of their range For example assume the detect
29. n only needs to be done when installing a new sensor Press lt MENU gt key to bypass Zero Calibration and go to step 6 to start second point calibration If a Zero Calibration is required follow the steps 4 5 Press lt SELECT gt key the LCD display Z XX mv XX Make sure the ambient air around the sensor is clean ie it has no traces of the gas being monitored In applications where the ambient air is not guaranteed to be clean use a compressed air calibration canister and apply the air to the sensor hole EC1 For the Zero point the mv values should be less then 100 mv If the mv value is changing within 5 mv for a minimum of 10 seconds the instrument will automatically accept the Zero calibration Or press SELECT key and finish the first point Zero calibration The LCD now displays the following and the instrument is ready for the second point calibration 1 CO 2nd Pt Press SELECT key to start the second point calibration and the LCD displays the following Press SELECT key to move the cursor and accept the second point calibration If want to change gas concentration value press SELECT key to move the cursor to proper position and press MENU key to increase up to the right value Press SELECT key to accept the gas concentration value o stands for second point us 5 S 100 After selecting gas concentration value the LCD displays the following and the instrument is ready for the secon
30. oltage e BUZZERTYPE TYPE Enable or disable the buzzer The minimum time in seconds a Low Alarm must exist before the corresponding relay and indicator are activated The minimum time in seconds the Ec Gold Dual must be out of Low Alarm before the Low Alarm relay and indicator are de activated The minimum time in seconds a High Alarm must exist before the High Alarm relay and indicator are TO ON activated The minimum time in seconds the Ec Gold Dual TOOT must be out of High Alarm before the High Alarm relay and indicator are de activated o The minimum time in seconds a Low Alarm must Hi Hi ALARM DELAY uw exist before the corresponding relay and indicator To ON are activated HPHPALAHMOBEDAV The minimum time in seconds the Ec Gold Dual M must be out of Low Alarm before the Low Alarm i UU RN RN and indicator are de activated Type or Port or Port 24 LOW ALARM DELAY TO ON LOW ALARM DELAY TO OFF Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 FACTORY USER PARAMETER DESCRIPTION SETTING SETTING First Cal point Enter ppm and corresponding mV e g Oppm 150mV Second Cal point Enter ppm and corresponding mV e g 100ppm 400mV Gmmme First Cal point Enter ppm and corresponding mV e g Oppm 150mV Second Cal point Enter ppm and corresponding mV e g 100ppm 400mV Type or Port Low alarm value High alarm value Hi Hi alarm value Span Value
31. or has a CO sensor calibrated for 0 200 ppm and an NO2 sensor with a calibrated range of 0 20 ppm If the CO sensor reads a 20ppm and the NO2 sensor reads 10ppm the 4 20 mA output will be 12 mA This will represent that the NO2 is at 50 of its range while the CO is only at 10 of its range An analog output cannot be averaged among sensors This would provide outputs not representative of actual conditions and could result in unsafe conditions The relays are common to all sensors and are set to ppm or LEL values specific and proper for each sensor type The LCD display will provide a real time reading of the ppm or LEL concentrations of all sensors The EC Gold Dual can be used with multiple sensors connected to any Arjay Enmet Control panel The following are examples of typical methods of installing the EC Gold Dual Figure 1 0 The EC Gold Dual can be a Stand Alone detector to interface with fans or alarms using the relays or analog outputs Figure 1 1 EC Gold Dual can be combined with other EC Gold Dual or EC Gold sensors to the ISA 66 RLU panel using the cost effective Arjay Enment DVO signal Ideal for multi zone installations where a central control panel is desirable sm Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 Figure 1 2 EC Gold Dual can be combined with other EC Gold Dual or EC Gold sensors to the ISA Gas Alert Max panel using the cost effective Arjay Enmet DVO signal Ideal for single or multi zone installations
32. orking display 14 If the sensor is mA input sensor the calibration of the sensor is done at the remote sensor see Remote Sensor Manual The mA scale is normally factory set but may be changed if change needed Press SELECT to change mA settings or press lt MENU gt key to bypass the calibration and go back to the Sensor Selection Menu 2 CO mA Scale 15 Press lt SELECT gt key to set 4 mA and the LCD displays the following Press lt SELECT gt key to move the cursor and accept the value Normally set 4 mA equals 0 ppm To change the value press lt SELECT gt key to move the cursor to proper position and press MENU key to increase up to the right value Press lt SELECT gt key to accept the setting value 2 4 0 16 Press lt SELECT gt key to set 20 mA and LCD displays the following Press lt SELECT gt key to move the cursor and accept the value 20 mA is normally set for maximum range of remote XMTR To change the value press lt SELECT gt key to move the cursor to proper position and press lt MENU gt key to increase up to the right value Press lt SELECT gt key to accept the setting value 2 CO 20 200 17 Then the display goes to the Alarm setting Menu Press MENU key to bypass the calibration and go back to the Sensor Selection Menu Repeat Step 12 to Step 16 if calibrate more sensors 18 Go back to the normal operating Menu by following the Normal Operating Menu Flow Chart THIS COM
33. ress SELECT key to move the cursor Press V Key to increase decrease the digital value Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 4 0 CALIBRATION 4 1 Calibration Notes The instrument was calibrated and tested prior to leaving the factory Therefore it is possible to use the instrument directly out of the box Under normal conditions recalibration is recommended once every 6 months For a two point calibration the first point is typically Zero clear air the second point also called span is a determined gas concentration value If the preset EC Gold Dual calibration span value is known and you have the same calibration gas concentration the entire calibration procedure can be completed without removing the front 4 2 Calibration Procedures Full Feature Mode with LCD KEYPAD Calibration 2 TRENT Calibration Ports Flowrate Regulator preset 0 51 X Male Quick Disconnect Dual Calibration Ports EC1 amp EC2 5 EJ ey tube inserted into EC Gold 6 feet of 5 16 x 3 16 I D flexible clear tubing Flow On Off Knob Cal Gas Canister Figure 4 0 1 Under normal operating conditions the LCD displays the following depending on sensors order CO 0 2 2 Follow the Manu Flow Chart until the following screen display 1 CO Zero 15 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 10 11 Zero Calibratio
34. rnal transmitter MECHANICAL SPECIFICATIONS Enclosure Dimensions Weight Nema 1 wall mount 9 61 244mm H x 6 25 159mm W x 2 50mm D 0 3 kg ENVIRONMENTAL SPECIFICATIONS Operating Temp Relative Humidity 20 C to 55 C 90 max with no condensation vB Model EC GOLD Dual 2 0 INSTALLATION 2 1 Mechanical Installation entry cabling 5 66 m a 5 16 d s A Y pe p X N Dual 3 4 amp 1 2 Knock Outs for rear d entry cabling 0T AAS ee 255 HE CO 0 0 mE o9 E EE 9 E Ya 73 meg Sensor SNC 7 PEU NM NO 4 Sa Sc Buzzer has built in ps x INC ENO r B NC 3 NEMOTO Sensor 425 IN a m ee p W2 _ MOS Sensor Remote Mounting Holes 4 Places Without Cover Dual 3 4 amp 1 2 Knock Outs for external sensor
35. to verifty if the controller is receiving a LOW HIGH HIGH HIGH and Total span alarm signals and that ventilation fans audio alarms etc are working Press the Push to Test pushbutton to activate this feature See Figure 3 0 for the pushbutton location When the button is pressed and released the Status LED starts blinking green on and off every 2 seconds to indicate a test is underway This feature forces the sensor to Low alarm plus 1ppm Press Button again to force High alarm plus Press Button again to force HIGH HIGH alarm HIGH HIGH alarm plus 1ppm Press Button again to force span value alarm Press Button again to get out of Push to Test feature If Push to Test feature is left ON it will time out after 30 minutes 19 Model EC GOLD Dual ECGOLDDUALUM13 doc Rev 1 3 6 0 EC GOLD DUAL MODBUS SETTING The EC GOLD Dual may be monitored via RS 485 protocol compatible digital communications Typical features are 1 Ease of wiring in multiple level point monitoring Up to 254 may be connected together in a daisy chain 2 wire communication plus power wiring connection to an Arjay Remote Access monitor or customer control system which allows viewing data and setup of any of the transmitters on the network The relay and analog outputs may still be used if necessary 2 Setup for the EC Gold Dual for network operation Each EC Gold Dual transmitter must have a unique ID number to connect in a network system 61 Modbus Conf
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