1. introduction
Contents
1. Refrigerants 1 foot 30 cm from floor May differ in certain applications Hot NO from exhaust systems is lighter than ambient air 2 3 DETERMINATION OF THE NUMBER OF TRANSMITTERS The number of units required to protect the area is determined by the radius of cov erage of the unit This radius depends on the gas to be detected and is given by Table 2 Table 2 Radius of Surveillance Gas Detected Radius of Area Covered Surveillance Carbon Monoxid 7854 square ft Nitrogen Dioxide 15 meters 707 square meters 23 ft 1 257 square ft 7 meters 154 square meters VA301EM VA30I EMRP USER S MANUAL 5 DROO71 08 505869 May 2005 2 4 OPTIONAL REMOTE SENSORS MOUNTING VA301IRFS REMOTE SENSOR 65 8 Communication cable gauge I 24 AWG Belden 9841 m Power supply cable gauge 14 AWG Maximum lenght 200 ft 60 DIA 1 4 VASOIEM cp 0916 SONDE IRF SENSOR 2152 1 0 0916 530102 REMOTE SENSOR This box is not provided The shield must be grounded 7 Communication cable gauge 24 AWG Belden 9841 Po2. INSTALLATION INSTRUCTIONS WIRING DETAILS CALIBRATION MAINTENANCE TABLE OF CONTENTS VA301EM 1 INTRODUCTION LE DESCRIPTION uu anan 3 u au an aniaya aa 3 1 3 UNPACKING 2 INSTALLATION INSTRUCTIONS 2 1 INSTALITA NON GUIDELINES u yaaa S asa qh aan ak uba wane 4 2 2 SURFACE MOUNT INSTALLATION 00 02001 0 04 4 2 5 DETERMINING THE NUMBER OF TRANSMITTERS 0 0 20 0 5 2 4 OPTIONAL REMOTE SENSOR MOUNTING 6 3 WIRING DETAILS SALO O TEM WIRING ota 7 Sub d POWER D PAD dp DF ERU DN naya 8 3 1 2 CONNECT SENSOR TO TRANSMITTER osiin 8 3 13 COMMUNIGATION 2 44 pe dte oh oe o pd 9 OUTPUTS oto 9 VIG 10 3 2 A 20mNX CONFIGURATION ja manmade 10 3 2 1 Contact 4 20mA Input tte th estet 10 2 CON UHIDBN Sa a mamapak amam haqa 10 3 2 3 4 20 OUTPUT CONFIGURATION 5 roi eto eee 11 4 CALIBRATION PROGRAMMING d T USER INTERFACE bate abeat tnde vesper ect n 14 4 2 t dv Oen malim uka 14 ao KEY DEFINITION Qu eite 15 SPECIBICATIONS aasan a uaqta a PEE Pe 16
3. TRANSMILIERVAUIEM etuer tti rid 16 41 4 2 SENSOR VASO seti po ND RE EPA ih RC eco qhu 17 5 SENSOR VASO ID 2 a touts bea b aaa 17 4 5 RANGE ANID ALARM LEVELS b neto a eR 18 5 MAINTENANCE 5 1 PERIODIC INSPECTIONS AND 19 S REPLACEMENT PAR S anan ahus ma Ga ui tudo 19 5 2 1 LED REPLACEMENT INSTRUCTIONS 19 FI CLEANING 19 6 APPENDIX 6 1 AVAILABLE PRE PROGRAMMED CONFIGURATIONS eee 20 TABLE OF CONTENTS 25 DROO71 08 505869 May 2005 VA30IEM VA30I EMRP USER S MANUAL 1 INTRODUCTION 1 1 DESCRIPTION In continuing with its commitment towards cutting edge technology and customer sat isfaction Vulcain introduces a breakthrough innovation in Refrigerant toxic and Combustible Gas Monitoring The result of extensive research and design the VA301EM uses the latest in infrared technology The remote sensor allows for accurate monitoring of the lowest gas concentration This sensor can be placed at a distance of up to 500 feet for toxic and combustible gas monitoring and 200 feet for refrigerant gas monitoring from the transmitter The transmitter is equipped with a backlight LCD display and keypad that can be placed at eye level and in a different location from the refrigerant gas reading area Thus al
4. 2 RESET T ac ilgs 8 z zum n o o at Elle su LI Ll ms Em aH wel Ie 9 D FAULT eH E Hl se 9l RED 9 15 9 E 24 P np Abo o O O O O 0000000 B m 1 00000 2 em i zw o o o U Bm We 5255 8299922 NLD NC NH NC os j o 3700 WARNING 110090 mike A dedicated power supply must be used rjLILI amp with each VA301EM Considerable damage Sens I H Q i O 5 may occur if this condition is not strictly fol lowed a oleo Current Sourcing Output Configuration DDC SYSTEM MORE THAN ONE TRANSMITTERS CONNECTED VA301EM VA301EMRP USER S MANUAL E DROO71 08 505869 May 2005 4 20 mA OUTPUT LOOP POWERED OPERATION Factory Setting The 4 20 mA output is factory set for loop powered operation and requires a power source of 12 Vdc to 30 Vdc The overall impedance depends on the voltage supplied at the 4 20 mA loop Set jumpers on JP4 at 2 3 4 5 and 6 for this type of configuration 4 20 PCB Ne L B VA301EM PCB AL
5. and will show the gas name amp gas concentration The Tx LED will blink when data is send on the communication channel if con nected to a controller Alarm Mode The corresponding red alarm LED A B or C will lit in case of a gas leak for a given sensor The Silence key can be used to turn off the relays buzzer if programmed accordingly The Reset key is used to acknowledge an alarm when the VA301EM is programmed to comply with the B 52 ASHRAE 15 mechan ical code Fault Mode If a communication problem occurs with one of the sensors the yellow fault LED will be on The servicing alarm will also turn on the fault LED Programming Mode The programming mode is password protected and should only be accessed by a certified technician Pressing the Enter Key will put the VA301EM in programming mode The Scroll keys are used to move around the menus and input program ming values ESC key will cancel an input or exit the pro gramming menu DR0071 08 505869 May 2005 14 VA301EM VA301EMRP USER S MANUAL 4 3 KEY DEFINITION ESC Key Use the ESC Key to exit the menus or cancel an input Use it also to stop the alternating reading between the connected sensors Scroll Keys Up Down Use the Scroll Keys to scroll the menus or to select a specific value Enter Key Use the Enter Key to enter a programming field or to validate a specific value Fan Start Key Control relay 1 Fan For B 52 or ASHRAE 15 programmation See Eve
6. Buzzer Event 6 SD All Relay 2 Event 7 SD All Relay 4 Event 8 SD All Relay 3 Event 9 SD All Relay 3 Event 10 ManSw 1 Relay 1 Event 11 ManSw 1 Relay 4 Event 12 ManSw 1 Out 1 Event 13 ManSw 1 Out 2 Event 14 ManSw 1 Out 3 Event 15 ManSw 1 Buzzer Event 16 ManSw 1 Relay 2 Event 17 ManSw 1 Relay 3 Event 18 SD All Relay 1 Event 19 ManSw 2 Relay 1 Mansw 1 Trigger off an electrical shut down ManSw 2 Trigger off relay 1 DROO71 08 505869 May 2005 22 VA30IEM VA30I EMRP USER S MANUAL
7. of the VA30LEM programma tion including accessories activa tion See APPENDIX section for more details about B 52 and ASHRAE standard configuration VA301EM VA301EMRP USER S MANUAL 9 DROO71 08 505869 May 2005 3 1 5 Output 24 Vdc J8 The three 24 Vdc 250 mA outputs are provided to activate DC horn strobe etc Factory setting IMPORTANT NOTICE T HE OUT 2 MUST BE DEDICATED TO RFS IF APPLICABLE FACTORY SETTING THE OUT 1 AND OUT 2 MUST BE DEDICATED TO RFSA IF APPLICABLE FACTORY SETTING RFS Optional built in stobe RFSA Optional built in stobe and horn 3 2 4 20 mA CONFIGURATION 3 2 1 Output 4 20 J9 The 4 20 mA output option will provide a real time analog readout of the gas con centration read by the VA301EM for each of its sensors It can be connected to a third party controller DDC BMS etc Polarity must be observed Do not apply electrical power to the VA301EM until all connections are made 3 2 2 Contact Input J16 The contact input is mainly used to connect a manual break glass switch to comply with the mechanical code It is also possible to connect a third break galss switch in series if needed Contact 1 Electrical shut down ASHRAE 15 config Contact 2 Fan activation ASHRAE 15 config Contact 1 Contact 2 DROO71 0
8. 000 feet 600 m from controller T tap 65 ft 20 m maximum per t tap 130 ft 40 m total Output 24 Vdc J8 From controller or previous unit Three 24 Vdc outputs can be use to To next unit if applicable activate horn strobe etc VA3OIEM VA301EMRP USER S MANUAL DROO71 08 505869 May 2005 3 1 1 Power TERMINAL DESCRIPTION SCHEMATIIC RED The power requirement range is 22 27 Vac 29 38 Vdc 2 0 A max In both AC or DC mode the polar isation is not important The system must be grounded on the transformer A dedicated cir cuit breaker should be used TRANSMITTER S POWER SUPPLY SENSOR S PowER SUPPLY SENSOR S 3 1 2 Connect sensor to transmitter i Connect the sensor to the transmitter usine the diaeram below maximum distance between sensor and transmitter is 200 ft 60 m for refrigerant and 500 ft 160 m for toxic and combustible gases Use twisted and shielded cable 24 2 AWG Belden 9841 for the Sensor s Communication green and white Use standard wires 18 AWG for Toxic and combustible Sensor s Power Supply black and red and wires 14 AWG for refrigerant Sensor s power supply black and red Color code black red green white has to be respected z Each sensor needs to be supplied TERMINAL DESCRIPTION SCHEMATIC M with separate wires and needs to be u connected directly on the VA301EM u However same commun
9. 20 3 x 28 x 7 cm 2 26 lbs 1 02 kg 105dBA 4 28V 2800Hz Min Voltage 80 dB A min 2 FT and 6 Vdc Max Voltage 90 dB A min 2 FT and 28 Vdc STAS flashing LED 24VAC VDC 16 VA30IEM VA30I EMRP USER S MANUAL 4 4 2 SENSOR VA301IRES Gases Detected Sensing Technology Measurement Range Resolution Response Time T90 Cold to Start Operating Environnement Distance between VA301EM and Sensor Operating Temperature Range Operating Humidity Range Operating Altitude Enclosure Size Weight R 11 R 12 R 22 R 123 R 125 and R 134a other mixes also available Vulcain infrared sensor 0 1000 PPM 1 PPM 60 seconds 4 hours Indoor Use Up to 200 feet 60 m 32 F to 100 F 0 to 40 C 0 to 95 RH non condensing Up to 9843 feet 3 000 m ABS Polycarbonate 4 02 H 11 02 W x 2 48 D 10 2 x 28 x 6 3 cm 2 33 lbs 0 603 kg The VA301EM sensor LED has 2 functionalities If the sensor is working prop CN erly the LED will blink according to the sensor addresses on the VA301EM In that case the LED will blink as shown below Address 1 The LED blink 2 times during 2 8 seconds Address 2 The LED blink 3 times during 2 8 seconds Address 3 The LED blink 4 times during 2 8 seconds Address 4 The LED blink 5 times during 2 8 seconds If the sensor is connected to a VA3OTIRF the LED will be on during 0 2 sec onds and off during 2 6 seconds blinking If the sen
10. 8 505869 May 2005 10 VA301EM USER S MANUAL 3 2 3 4 20 OUTPUT CONFIGURATION 4 20 mA CURRENT SOURCING OUTPUT CONFIGURATION The transmitter supplies the loop current The maximum impedance supported by the loop is 400 ohms Set jumpers on JP4 at 1 2 3 4 5 6 VA301EM VA301IRF and VA301D2 4Q20 PCB VA301EM PCB N ol J E j g B OHIO 9 ro Ele ND Q a SRELAY 8 12 a 8 emo SRELAY 4 iG t 2 NG 2 2 ORO 2 12 ri 4020 cd ert je Os gi oool 9 INO O a 208 3 8 22 8 Ee 5 608 rs 2 4 ALARM B 8 ouk 2000 E 5 7 CI
11. ARM PCB301EMRD a s o o 9909980 NC NI Bol R2 JL 517 Cice R14 Do Do Table 3 Permitted Impedance in the 4 20 mA Loop Voltage Source Applied Total Impedance 400 Ohms 600 Ohms 800 Ohms 1 000 Ohms 1 300 Ohms DROO71 08 505869 May 2005 P VA301EM USER S MANUAL 3 wires configuration TRANSMITTER 1 TRANSMITTER X LEGEND ONE TRANSMITTER CONNECTED MORE THAN ONE TRANSMITTERS CONNECTED T DDC SYSTEM TRANSMITTER 1 TRANSMITTER X LEGEND s ONE TRANSMITTER CONNECTED as MORE THAN ONE TRANSMITTERS CONNECTED T DDC SYSTEM VA301EM VA301EMRP USER S MANUAL 13 DROO71 08 505869 May 2005 4 CALIBRATION PROGRAMMING 4 1 USER INTERFACE When power is initially applied the unit will display the product s name and firmware s revision D 4 2 OPERATING MODE Normal Mode In normal mode no input from the end user is required The display will scroll between the sensors up to 4
12. M 250 PPM 500 PPM 900 PPM Combustibles O 100 LEL 25 LEL 50 LEL 90 LEL A different alarm level may have been programmed in order to satisfy the DROO71 08 505869 May 2005 i constraint of a particular application VA30IEM VA30I EMRP USER S MANUAL 5 MAINTENANCE The VA301EM is a maintenance free controller Only the sensors need periodic inspection and calibration 5 1 PERIODIC INSPECTIONS AND CALIBRATION Vulcain provides its customers with specialized gas detection equipment Beyond the warranty period the systems must be maintained and calibrated on a regular basis normally two times a year Only Vulcain s certified personnel are authorized to accomplish this work Vulcain will not assume responsibility for the interruption of service or malfunctioning of its equipment as a result of the discontinuance of maintenance and calibration services An up to date list of authorized technical centers is available from Vulcain s Technical Support z If unit span or zero cannot be adjusted the sensor may be approaching its end of life and must be replaced Keep an operation log of all maintenance calibrations and alarm events 5 2 REPLACEMENT PARTS 5 2 1 LED replacement instructions for RFS or RFSA option Turn the diamond on the cap until it is align on the black diamonds Pull off the cap Use the insertion tool to remove the LED Use the insertion tool to
13. e units could be subject to vibrations e Avoid any location close to any electromagnetic interference e Avoid any location where there are large temperature swings e Verify local requirements and existing regulations witch may affect the choice of location 2 2 SURFACE MOUNT INSTALLATION 101416 DROO71 08 505869 May 2005 4 VA30IEM USER S MANUAL Table 1 Recommended Height Detected Gas Relative Density Installation Height air 1 Carbon Monoxide 0 968 3 5 ft 1 1 5 m from floor Nitrogen Dioxide 1 58 cold 3 ft 30 cm to 1 m from ceiling Hydrogen 0 07 ft 30 cm from ceiling Chlorine 2 50 ft 30 cm from floor Hydrogen Sulfide 1 19 1 foot 30 cm from floor Oxygen L43 3 5ft 1 1 5 from floor Hydrogen Chloride 1 30 1 foot 30 cm from floor Hydrogen Cyanide 0 932 I ft 30 cm from ceiling Ethylene Oxide 1 50 1 foot 30 cm from floor Sulfur Dioxide 2 25 foot 30 cm from floor 5 04 4 20 3 11 5 27 4 14 3 92 Most combustibles heavier than air with the exception of methane hydro gen ethylene and acetylene For gases that are heavier than air sensors should be installed approximately 30 cm 1 foot from the floor For combustibles that are lighter than air sensors should be installed 30 cm 1 foot from the ceiling close to the potential leak source
14. ication ter minals can De shared VA301EM PCB TERMINAL J17 I SENSOR S POWER SUPPLY SENSOR S COMMUNICATION C REFRIGERANT SENSOR E AND COMBUSTIBLE SENSOR DROO71 08 505869 May 2005 8 VA301EM USER S MANUAL 3 1 3 Communication if connected on a controller network J10 The communication cables have to be grounded using the shield terminal Use twisted and shielded cable 24 2 AWG Belden 9841 for the connection The network can be up to 2000 ft 600 m per channel The lenght of a T tap can be a maximum of 65 feet 20 m A maximum of 130 ft 40 m for all the T tap must be respected To next unit if applicable From previous unit if applicable 3 1 4 Relay Outputs Relay 3 The relays outputs will withstand up STROBE to 5 amps at 30 Vdc or 250 Vac resis tive load only They can be used to Relay 4 activate horns strobes etc Refer to BoILER CHILLER drawing below for proper wiring E E Z T FailSafe Relay FailSafe relays are activated with the unit That way electrical failures can be detected putting the system on alarm The default setting for VA301EM is normal mode No FailSafe The VA301EMRP setting is a copy
15. low ing the monitoring from a safe and remote location Furthermore it offers 4 20mA outputs relay outputs Modbus communication audi ble alarm options and it is compatible with our VA301C controller 1 2 INTENDED USE Refrigerant availability and increasing refrigerant cost makes refrigerant surveillance a necessity for people managing equipment rooms Having a Vulcain refrigerant monitor provides early warning of refrigerant loss enhancing a refrigerant conser vation strategy while indicating mechanical equipment room refrigerant concentra tions Moreover toxic and combustible sensors can be tied in the VA301EM to meet the broadest range of customer requirements Available in a special configuration the VA301EM Expansion Module has been carefully designed to meet and even exceed the B 52 and ASHRAE 15 2001 standards 1 3 UNPACKING After opening the package remove the equipment and components Please make sure that all the items described on the order form or packing slip are actually in the box and are undamaged VA301EM USER S MANUAL E 0071 08 505869 May 2005 2 INSTALLATION INSTRUCTIONS 2 1 INSTALLATION GUIDELINES These guide lines must be strictly observed to assure that the equipment will work properly If they are not applied Vulcain will not recognize any liability in case of improper operation Make sure to locate all units easily accessible for proper service e Avoid any location wher
16. nts Tables Fan Stop Reset Key The Reset Key enable the user to reset the alarm or the relay 1 For B 52 or ASHRAE 15 programmation See Event Tables Silence Key Turns off the buzzer and horns VA301I EM VA30I EMRP USER S MANUAL 15 DROO71 08 505869 May 2005 4 4 SPECIFICATIONS 4 4 1 TRANSMITTER VA301EM Standard Outputs Optional Outputs Audible Alarm Display Visual Indicators Maximum distance between VA301EM and Controller Relay Output Rating Circuit Protection Overvoltage Category Power Requirement Operating Environnement Operating Temperature Range Operating Humidity Range Operating Altitude Enclosure Pollution Degree Transmitter Size Transmitter Weight Optional Horn Optional Strobe DROO71 08 505869 May 2005 4 DPDT relays 3 Outputs at 24 Vdc 250 mA each 4 0020 mA for each sensor RS 485 Modbus or Vulbus 65 dBA 3 foot 1 m Backlit LCD Green LED Normal operation Red LEDs Alarm A B and C Yellow LED Fault service alarm Amber LED Tx Activated in network mode Up to 2000 feet 600 m T tap 65 ft 20 m maximum per t tap 130 ft 40 m total 5A 30Vdc or 250Vac resistive load Long Time Lag Polyswitch Type TT 22 27 Vac 50 or 60 Hz 29 38Vdc 2 0 A max 29 Vdc Indoor Use 32 F to 100 F 0 to 40 C to 95 RH non condensing Up to 9843 feet 3 000 m ABS Polycarbonate 2 7 99 H x 11 02 W x 2 76 D
17. put in the new LED Put on the cap Turn the diamond until it is align on the white diamonds a Due to continuous evolution of our products please contact our service department for ordering parts or for more details 5 3 CLEANING Clean the exterior with a soft damp cloth Do not use solvents soaps or polishers VA301EM VA30I EMRP USER S MANUAL 19 DROO71 08 505869 May 2005 6 APPENDIX AVAILABLE PRE PROGRAMMED CONFIGURATIONS Table 5 Type1 CND B 52 Canadian Standard for R123 SetEvent Status Output Silence Event 1 Relay Event 2 Relay 4 Event 3 Out Event 4 Out 2 Event 5 Out 3 Event 6 Buzzer Event 7 Relay 2 Event 8 Relay 3 Event 9 Relay 3 Event 10 Relay Event 11 Relay DROO71 08 505869 May 2005 20 VA30IEM VA30I EMRP USER S MANUAL Event 1 Status Table 6 Type2 CND B 52 Canadian Standard for other Refrigerants Relay 1 Silence Event 2 Out Event 3 Out 2 Event 4 Out 3 Event 5 Buzzer Event 6 Relay 2 Event 7 Relay 4 Event 8 Relay 3 Event 9 Relay 3 Event 10 VA301EM VA30I EMRP USER S MANUAL Relay 1 DROO71 08 505869 May 2005 Table 7 Type3 US ASHRAE 15 Standard for Refrigerants Status Silence Event 1 SD All Relay 1 Event 2 SD All Out Event 3 SD All Out 2 Event 4 SD All Out 3 Event 5 SD All
18. sor has a problem failsense the LED will go on steady 4 4 3 SENSOR VA301D2 Sensing technology Distance between VA301EM and Sensor Operating Temperature Range Operating Humidity Range Operating Altitude Enclosure VA3OIEM VA301EMRP USER S MANUAL Electrochemical toxic Catalytic combustion combustible Diffusion fuel cell oxygen Up to 500 feet 160 m toxic and combustible Toxic 40 F to 100 F 40 to 40 C Combustible 40 F to 112 F 40 to 50 C 096 to 95 RH Non Condensed Up to 9843 feet 3 000 m Class 1 Division 1 Groups B C D 17 DROO71 08 505869 May 2005 4 5 RANGE AND ALARM LEVELS Table 4 Range and Alarm Level Gas Detected Carbon Monoxide 0 250 PPM Alarm A 25 PPM Alarm B 200 PPM AlarmC 220 PPM Nitrogen Dioxide 0 10 PPM 0 72 PPM 2 PPM 9 PPM Hydrogen 100 LEL 25 LEL 50 LEL 90 LEL Chlorine 0 15 PPM 0 5 PPM 1 PPM 13 5 PPM Sulfur Dioxide 0 10 PPM 2 PPM 5 PPM 9 PPM Hydrogen Sulfide 0 50 PPM 10 PPM 15 PPM 45 PPM Hydrogen Chloride 0 25 PPM 3 PPM 4 PPM 22 5 PPM Hydrogen Cyanide 0 50 PPM 5 PPM 9 PPM 45 PPM Ethylene Oxide 0 20 PPM 1 PPM 5 PPM 18 PPM Oxygen 0 25 Vol 19 596 Vol 22 Vol 22 5 Vol Refrigerant 0 1 000 PPM 50 PPM 500 PPM 900 PPM Refrigerant O 0 1 000 PP
19. wer supply cable gauge 18 AWG Maximum lenght 500 ft 160 m O 4 with D2RS PC option Monitor Calibration T tubing The monitor and calibration tubing must be accessible to maintenance services DROO71 08 505869 May 2005 6 VA301EM USER S MANUAL 3 WIRING DETAILS 9L S301D2 SENSOR with D2RS PC option 1 Power End of line Relay Output JA7 JP1 To determine a transmitter J13 J14 Jl J6 22 to 27 Vac to be the last in the network 5 A 30 Vde 29to 38 Vdc place the jumper in an upright or 250 Vac 2 0 A max aligned with the top 4 20 mA J9 resistive load 4 20 E 1 CC s SRELAY 8 re 4 nya Y sRELA Gis O O O 7 4920 TPAe boe JPR A O O O CNN SILENCE ALARM A ALARM_B D3 Mo 4 0 3 4820 4 4820 22 07811 ANADA PCB301EMRD OYAN PD8 PD9 oc RESET ul UP SW o 212 VDC RED A 9 ENTER J TA 30 PI 4 Ok 2222220 22222222222222 Communication Shield Input Contact J16 Input for manual switch Communication J10 Length of line Up to 2
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