User Manual
Contents
1. Assigned alarm lt gt alarm relay Assig MP sig lt gt analog output MP 01 On Board Sensor MP 02 external Transmitter 3 3 1 Configuration and Parameter Card Commission J L roee No Customer is i o Commissioning Company pp Commissioning Date Service Technician 1 Configuration Card of System Parameters Service Software Mainten Service AV Overlay Time Costumer Power Fault Version ance Phone ppm Time AV System Pass ON Relay Date Time Time GC 03 06 06 08 0853190040 1800 EU 1234 30s o0 Calibration Mode 4 20 et ne eee 3 2 Configuration Card of Alarm Relays 3 3 Relay Static Latching Horn Delay Time No Flash Mode Function T ser OE Tv pcd ROT R02 R03 R04 Configuration Card of Measuring Parameters MP MP Gas Meas MP Thresholds No Status Type Jd Signal Range A1 a2 a3 am rex oss eee ooo pres sn o mv 3 fault active 01 Delay Time Assigned MP Assigned Alarm sec AV Fault lt gt Alarm lt gt Alarm Rela LON OFF at a2 a3 A4 A1 A2 A3 A4 Es Ee Jpssqpe n cs Tor eee 4 Specifications REF Electrical Power supply 18 28 VDC AC reverse polarity protected Power consumption without options 120 mA max 2 9 VA Analog output signal Selectable Current Voltage S2. Define threshold 4 See 3 6 5 Hysteresis See 3 6 5 Set delay time ON See 3 6 6 Set delay time OFF See 3 6 6 Define control mode See 3 6 7 Assign MP fault to alarm See 3 6 8 Assign alarm to alarm relay See 3 6 9 and 3 6 10 Assign MP signal to analog output See 3 6 10 3 6 1 Activate Deactivate MP Symbol MP 017 Measuring point activated at the controller Active Description Measuring point MP Status Setting Status Not active Function Selection MP No Active Not active Measuring point not activated at the controller MP01 On board sensor MP02 External transmitter optional 3 6 2 Assign gas type to attached gas transmitters Selection Gas Type Symbol Description M Gas type Unit map MP 01 Measuring point CO Carbon monoxide ppm 0 300 Ex Combustible gases LEL 0 100 NO Nitrogen oxide ppm 0 50 NO Nitrogen dioxide ppm 0 25 NH3 Ammonia ppm 0 300 O Oxygen VIV 0 25 CO Carbon dioxide ppm 0 2000 SO Sulphur dioxide ppm 0 100 H2S Hydrogen sulphide ppm 0 200 CL Chlorine ppm 0 100 ETC Ethylene oxide ppm 0 20 VOC Air quality 96 0 100 R401 Refrigerant gas ppm 0 2000 R402 Refrigerant gas ppm 0 2000 R134 Gas type R134 R408 Refrigerant gas ppm 0 2000 R409 Refrigerant gas ppm 0 2000 R404 Refrigerant gas ppm 0 300 R416 Refrigerant gas ppm 0 300 R502 Refrigerant gas ppm 0 300 R410 Re
3. 3 5 4 Horn Function The internal horn is connected to alarm relay R3 open collector This alarm output is defined as horn relay by this parameter with the following possibilities to reset e By pressing any of the 4 push buttons only possible in the starting menu e Automatic reset at the end of the fixed time e By an external push button assignment of the appropriate digital input The horn function is only activated if at least one of the two parameters time or digital input is set Special function Response After acknowledging the output by push button or externally time starts When this time has run out and the alarm is still acting the relay is set again c Setting i Symbol Description Status Function R 03 Relay No Selection of relay 0 Reset of the relay after time having run out or by push button Quitt Mode 0 1 Reset of the relay by push button after time having run out and when alarm is still acting relay is set again Response function Time for automatic reset function or response function Time 120 S 0 no reset function DI 0 Assignment which digital input resets the output Acknowledge the horn output On Alarm 3 Gas concentration higher lower than threshold Time E BE On Relay 3 I Off Acknowledging On signal DE Special function Response Return of the horn rela On Alarm 3 e Gas concentration higher lower than threshold Time T
4. Single Point Controller REx Single Point Gas Controller for Refrigerant Gases User Manual November 2010 1 2 3 Description LES LEES EEG ENES 4 Operating INStrUctiOn m 5 2 1 Description Keypad User Interface 5 2 2 Setting Changing Parameters or Set poimts eene nenne 5 2 9 GodelLevelss diee et bete nme eui EE 6 Menu Overview e akten 6 3 T Fault Ee EE 7 3 1 1 Acknowledge a Fault erect c tot E ved ree eet te e neta egeta eet EN 7 3 1 2 Error MOMON rns 5 2 o rd ee dence eau re sels diecast dote ER Oben RESEN FEER xp RER 7 3 1 3 EEN TC 8 dl te US ler ee IL 8 er NEE EE 9 3 3 1 Manual Operation of the Relays i i elelr e a AEA 9 3 4 Menu Measuring Values it e Ht ede dim bte a ditt sage east 10 3 9 Menu Relay EE CEET 10 3 5 1 Relay MOG st M 11 3 5 2 Relay Bunction Static Flash tp et t ig eeneg 11 3 5 3 Eatchinig le EE 11 3 5 4 Horn Function EE 12 3 5 5 External Relay Operation eddie dece dd eee inatin Leere dva ed sedan era ep a e 13 3 5 6 Delay Mode of the Relay sse nennen nennen nennen nennen nennen nennen 13 3 6 Menu MP Pararmneters or i eee Eee eoe aue erae i eee pu ide 13 3 6 1 Activate Deactivate MP 15 3 6 2 Selection Gas Type spinn m Inde ot p dE de cr ee P edem et ree ed doce rs 15 3 6 3 Measuring Ranger Lusignan 16 3 6 4 MP SIGNA e
5. 3 5 3 Definition of horn function See 3 5 4 Definition of external relay operation See 3 5 5 Set delay time ON See 3 5 6 Set delay time OFF See 3 5 6 3 5 1 Relay Mode Definition of relay mode um Setting Symbol Description Status Function R 01 Relay No Selection of relay De Relav Mode De De energized Alarm ON Relay ON energized y energized Energized Alarm ON Relay OFF 3 5 2 Relay Function Static Flash Definition of relay function oe Setting i Symbol Description Status Function R 01 Relay No Selection of relay 0 Relay function static 0 Function 0 gt 0 Relay function flashing 7 Time period in sec Impulse Break 1 1 3 5 3 Latching Mode Definition of latching function aper Setting Symbol Description Status Function R 01 Relay No Selection of relay i No Latching mode non active No Latching Mode No Yes Latching mode active Acknowledging a latching relay in the menu Status Relay is only possible if the gas concentration is again lower than the alarm threshold including hysteresis In this case the status latching occurs in the display Example Alarm relay R2 with latching mode Alarm 2 Display in the Menu Status Relay Relay 2 Reset in the Menu Status Relay On off On off On off Gas concentration higher lower than threshold R2 R2 R2 R2 R2 R2 Off On On On Latching Off pp pp o 01
6. 4 Select the contact for relay No 2 with jumper NC NO See fig 2 3 and 4 Select the analog output signal with jumper V A and 0 20 See fig 4 After switching the power supply ON and at the end of the Power ON Time the REF is ready for use The REF is delivered with standard parameters and set points The registration of the optional external gas transmitter and the assignment of the alarm relays to the individual alarms must always be performed during commissioning Additionally all other parameters have to be checked and adapted to the local conditions The standard parameters can be taken from the following configuration and parameter card We recommend registering the individual parameters and set points into the list We recommend checking the parameters and set points according to the following check list 2 2 Checklist Commissioning Time and date Parameter of average function Password level 1 customer s password Function analog output Define fault relay Power ON time Service phone no Maintenance date RelayR 112 3 4 Relay mode Function static flash Latching mode Horn function External relay operation Delay ON time Delay OFF time MP mode Gas type Measuring range MP signal Threshold 1 Threshold 2 Threshold 3 Threshold 4 Hysteresis Delay ON time Delay OFF time C A mode Assigned failure lt gt alarm
7. CEBIT EE eet 24 5 1 GOMMISSIOMIAG dr loan feks anklage Du ee REE tu deutet uu deeds adeo co deett deuote eee cns 24 5 2 Checklist COMMISSIONING WEE 25 6 Configuration and Parameter Card rrassrnnnnvrnnnvnnnnnvnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnn 26 6 1 Configuration Card of System Parameters AA 26 6 2 Configuration Card of Alarm Relays sss a eene eren en enne nennen 26 6 3 Configuration Card of Measuring Parameters A 26 T Specifications HEES eege neni ene EET EEN rare 27 LAMMECCCE SOM ge 28 8 1 Description iut hex et Ut andere 8 cate ie alee aa Ea Pr 28 G 2 GI SIMI EET been 28 8 2 1 Zero Point Calbratton essere ennemis nnns n nnne nettes nennen res 28 8 2 2 Gain Calibration en 28 9 3 Table Overview Gases Data SE DEDE DEDE eer ae dee rea Ld euge bakke 29 8 4 Exchange of Sensor Elemehi iode ne Rete n te ede Ett eedem 29 9 5 Cross senivity Data ied tue uto e Dex esu ES Ca e d Pe d cO ES c este eee ederet aue 30 CG WE Ee RE E 30 10 Notes and General Information ennnvrnnnvvnnnnvnnnnnvnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnn 31 10 1 Intended Product Application ran eaa der de nnne eren n enne nnns 31 10 2 Installers Responsibilities A 31 10 3 Maintenance EM 31 10 4 Limited Warrant
8. Element Sensor has to be replaced completely including the electronics The replacement electronics with the new sensor is already factory calibrated After exchange of the electronics the REF parameters have to be checked and adjusted if necessary 5 5 Cross sensitivity Data Sensor Es Fom TGS 830 Ethanol Ca lt 1 X SP42A T 3 6 Specification Gas Sensor Sensor performances Gas type Refrigerant gases see table Gases Data Sensor element Semi conductor sensor Measuring range 20 300 20 2000 ppm Response time Repeatability Oxygen concentration too lt 40 sec 20 96 21 standard 18 minimum level Life expectancy gt 5 years normal operating environment Temperature range 10 C to 50 C 14 F to 122 F Humidity 5 95 RH non condensing Pressure range Atmosphere 10 Storage temperature range 0 C to 50 C 32 F to 122 F Storage time Max 12 months Mounting height Depending on gas type Calibration adapter Fig 6 Type Calibr set 7 Notes and General Information It is important to read this user manual carefully in order to understand the information and instructions The REF gas monitoring control and alarm system may only be used for applications in accordance to the intended use The appropriate operating and maintenance instructions and recommendations must
9. be followed Due to permanent product developments AP reserves the right to change specifications without notice The information contained herein is based on data considered to be accurate However no guarantee or warranty is expressed or implied concerning the accuracy of these data 7 1 Intended Product Application The REF is designed and manufactured for controlling for saving energy and keeping OSHA air quality in commercial buildings and manufacturing plants i e detection and automatic exhaust fan control for automotive maintenance facilities enclosed parking garages engine repair shops warehouses with forklifts fire stations tunnels etc 7 2 Installers Responsibilities It is the installer s responsibility to ensure that all REF are installed in compliance with all national and local regulations and OSHA requirements All installations shall be executed only by technicians familiar with proper installation techniques and with codes standards and proper safety procedures for control installations and the latest edition of the National Electrical Code ANSI NFPA70 It is also essential to follow strictly all instructions as provided in the user manual 7 3 Maintenance We recommended checking the REF system regularly Due to regular maintenance differences in efficiency can easily be corrected Limited Warranty Re calibration and part replacement may be implemented in the field by a qualified technician and with the
10. customer The code can be changed individually via code level 2 In code level 2 all parameters and set points are released this code level is only for the service technician The release of the code level is deleted if no button is pushed within 15 minutes All menu windows are visible without entering a code 3 Menu Overview The operation of the Single Point Gas Controller REF is effected by a simple and logical menu structure which is easy to learn The operating menu contains the following levels e Starting menu e Main menu e Submenu 1 and 2 Starting menu Main menu Submenu m Display and reset of errors See from point 3 1 Displays the status of actual alarms See point 3 2 Display of the relay status Manual operation of the relays Reset function of the relays See from point 3 3 Displays the measuring values See point 3 4 Display and change of the relay parameters See from point 3 5 Display and change of the measuring point parameters Activate or Deactivate MP Assignment of the alarms to the alarm relay See from point 3 6 m w 8 8 8 IW Display and change of the system parameters See from point 3 7 3 1 Fault Management The integrated fault management records the last 15 faults with date and time stamps in the menu System Errors Additionally a record of the faults occurs in the Error Memory which can be selected and reset only by the service technician An actual fault is disp
11. mm 14 to 30 AWG Guidelines EMC Guidelines 2004 108 EEC CE Warranty 1 year on material without sensor Options Analog input external transmitter Analog input 1 4 20 mA input resistance 200 O 0 2 10V input resistance 25 kO overload and short circuit proof Power supply for external analog transmitter 24Vdc max 50 mA Buzzer Acoustic pressure 83 dB A distance 200 mm 0 7 ft Frequency 2300 Hz Serial Interface Transceiver RS 485 19200 Baud Heating Temperature controlled 342 C 38 F 3 6 F Ambient temperature 20 C 4 F Power supply 18 20 VDC Power consumption 0 3 A 7 5 VA 5 Gas Sensor 5 1 Description A semi conductor sensor is integrated in the REF The ambient air being monitored diffuses through a metal grid into the sensor The gas oxidises at the heated detector element metallic oxide and changes the conductivity in dependence of the gas concentration This non linear alteration of the conductivity is evaluated by the internal sensor electronics and linearised by the micro processor The temperature compensation is also integrated in the transmitter Oxidation processes lead by and by to an unwanted influence on the alteration of the conductivity Therefore regular calibrations of zero point Zero and gain are necessary Caution Certain substances and gases in the atmosphere bein
12. of the alarm relay via an assigned digital input has priority to the manual operation in the menu Status Relay and to gas alarm Relays manually operated in the menu Status Relay are deleted again by selecting the function Automatic Acknowledging the relays in latching mode is also effected in this menu Select the relay Select the function of manual operation Manual ON Relay ON Select the function Manual OFF Relay OFF Automatic Delete manual operation Reset Reset of a latching mode Take over the function E Een 3 4 Menu Measuring Values In this menu the current value CV and average value AV with gas unit and gas type for each active measuring point MP is displayed as well as the defined control mode CV or AV mode Symbol Description eub Function MP 01 Measuring P No Selection of MP No R134 Gas type R134 See 3 6 2 ppm Gas unit See 3 6 2 CV Current value CV Current value of gas concentration AV Average value Average value 10 measured values within the time unit Control mode Display of selected control mode CV or AV Not active Status MP Not active MP not active Error Fault MP Current signal 3 mA or 22 mA 3 5 Menu Relay Parameters Display and change of the parameters for each alarm relay d Main menu HHIHH Select relay No Relay mode See 3 5 1 Relay function See 3 5 2 Activate latching mode See
13. transmitted Analog output see also 3 7 7 Symbol Description E Function MP 01 Measuring Point Selection of MP No 0 A 0 0 MP Signal not assigned to analog output 1 MP Signal assigned to analog output 1 3 7 Menu System Parameters Displays and changes the system parameters of the Gas Controller module Main Menu J A A A A A 4 A a a a A C See 3 7 7 See 3 7 7 3 7 1 Service Mode When the service mode is active ON the alarms are not transmitted to the alarm relays in case of calibration or service work The service mode is reset automatically after 60 minutes or manually in the menu Service Mode Default Symbol Description Status Function Off Service Mode Off Off Alarms activate the associated alarm relays On Alarms are not transmitted to the alarm relays 3 7 2 Software Version m Default Symbol Description Status Function GC03 Software XX Version XX Software Version 3 7 3 Maintenance Concept Integrated in the REF system there is a control of the maintenance intervals required by law or by the customer At commissioning or after maintenance the date for the next maintenance is entered When reaching this date the failure signal is activated the following morning at 9 o clock and the phone no of the service technician occurs in the display The fault signal maintenance can be acknowledge
14. value is transmitted is effected in the menu Analog Output 1 The analog output can be calibrated at 4 and at 20 mA only in mA mode Therefore an ampere meter measuring range 25 mA can be attached to the AO and the respective factor has to be changed until the analog output corresponds to 4 and or 20 mA During calibration evaluation of the measuring point signals is not possible This calibration is effected by the factory The factors shall not be changed Lurt Default Symbol Description Status Function Select Min Displays the minimum value of all assigned MP Max Output Mode Max Max Displays the maximum value of all assigned MP P Average Displays the average value of all assigned MP 4 0 Calibration 4 0 4 Calibration factor at 4 mA 20 0 20 0 20 0 Calibration factor at 20 mA 3 7 8 Define the Failure Relay Definition of the failure relay See also fault management 3 1 zou Default Symbol Description Status Function OX Fault Relay ROX ROX Define the fault relay 3 7 9 Power On Time Gas sensors need a running in period until the chemical process of the sensor reaches stable conditions During this running in period the current signal can lead to an unwanted releasing of a pseudo alarm Therefore the power on time is started at the REF after having switched on the power supply While this time is running out the Gas Controller does not activate any alarms The power on s
15. TGS 830 HCFC 2000 ppm R22 1000 3165 R 405a TGS 830 HCFC 2000 ppm R22 1000 3165 R 406a TGS 830 HCFC 2000 ppm R22 1000 3165 R 408a TGS 830 HCFC 2000 ppm R22 1000 3165 gt air R 409a TGS 830 HCFC 2000 ppm R22 1000 3165 gt air R 409b TGS 830 HCFC 2000 ppm R22 1000 3165 gt air R 411a TGS 830 HCFC 2000 ppm R22 1000 3165 gt air R 411b TGS 830 HCFC 2000 ppm R22 1000 3165 gt air R 412a TGS 830 HCFC 2000 ppm R22 1000 3165 gt air R 509a TGS 830 HCFC 2000 ppm R22 1000 3165 R 134a SP42A HFC 300 ppm R134a 100 1665 54 TGS 832 HFC 2000 ppm R134a 1000 3165 SP42A HFC 300 ppm R134a 100 11665 APTE TGS 832 HFC 2000 ppm R134a 1000 3165 SER R407a SP42A HFC 300 ppm R134a 100 11665 TGS 832 HFC 2000 ppm R134a 1000 3165 R407b SP42A HFC 300 ppm R134a 100 1665 TGS 832 HFC 2000 ppm R134a 1000 3165 RA407c SP42A HFC 300 ppm R134a 100 11665 TGS 832 HFC 2000 ppm R134a 1000 3165 R413a SP42A HFC 300 ppm R134a 100 11665 TGS 832 HFC 2000 ppm R134a 1000 3165 R 416a SP42A HFC 300 ppm R134a 100 1665 Sair TGS 832 HFC 2000 ppm R134a 1000 3165 R417a SP42A HFC 300 ppm R134a 100 1665 TGS 832 HFC 2000 ppm R134a 1000 3165 R 507 SP42A HFC 300 ppm R134a 100 11665 3 45 TGS 832 HFC 2000 ppm R134a 1000 3165 R 410a SP42A HFC 300 ppm R134a 100 11665 23 TGS 832 HFC 2000 ppm R134a 1000 3165 R11 TGS 830 CFC 2000 ppm XX XX R12 TGS 830 CFC 2000 ppm XX XX R133 TGS 830 CFC 2000 ppm XX XX 5 4 Exchange of Sensor
16. appropriate tools Alternatively the easily removable plug in transmitter card with the sensor may be returned for service to Automatikprodukter 7 4 Limited Warranty AP warrants the REF against defects in material or workmanship for a period of one 1 year beginning from the date of shipment Should any evidence of defects in material or workmanship occur during the warranty period AP will repair or replace the product at their own discretion without charge This warranty does not apply to units that have been altered had attempted repair or been subjected to abuse accidental or otherwise The above warranty is in lieu of all other express warranties obligations or liabilities This warranty applies only to the REF AP shall not be liable for any incidental or consequential damages arising out of or related to the use of the REF
17. bottles regulations TRGS 220 e Open window MP 01 in the menu Measuring Value e Connect digital voltmeter to pin Bridge and ground X4 pin 2 See fig 4 e Connect calibration adapter carefully to the sensor element e Apply calibration test gas 100 ppm or 1000 ppm 300 ml min 1 Bar 14 5 psi 10 e Wait three minutes until the value is stable adjust calibration voltage with potentiometer Zero to the value according to the table Overview Gases Data e Then adjust the display value to the calibration gas value with the potentiometer Gain e Remove calibration adapter with a careful light turn Check the sensor for correct mounting e By limiting the gain factor calibration will not be possible any more when the sensitivity of the sensor reaches a residual sensitivity of 3096 Then the sensor has to be replaces 5 3 Table Overview Gases Data Gas HFC Sensor Group Measuring Calibration Relative type HCFC type range Gas ppm Volt mV density air 1 R 22 TGS 830 HCFC 2000 ppm R22 1000 3165 gt air R 401a TGS 830 HCFC 2000 ppm R22 1000 3165 gt air R 401b TGS 830 HCFC 2000 ppm R22 1000 3165 air R 401c TGS 830 HCFC 2000 ppm R22 1000 3165 R 402a TGS 830 HCFC 2000 ppm R22 1000 3165 gt air R 402b TGS 830 HCFC 2000 ppm R22 1000 3165 gt air R 403a TGS 830 HCFC 2000 ppm R22 1000 3165 R 403b
18. cable types e Power supply J Y St Y 2x2 x 0 8 e Alarm relay J Y St Y 2x2 x 0 8 e Gas transmitter J Y St Y 2x2 x 0 8 The recommendation does not consider local conditions such as fire protection etc For the exact position of the terminals see the following connection diagram 4 2 Connection Diagram Connection diagram with an optional 4 to 20 mA transmitter Fig 2 Analog Output Signal R1 SPOT 30 VAC DC 05A Selectable via Jumper R2 SPNO SPNC 30 VAC DC 0 5A 0 420mA 0 2 10 V R3 R4 Open Colb dar 30 VDC 50 mA Connection diagram with an optional 0 2 to 10 V transmitter Fig 3 Option External Transmitter MP 02 Analog Output 24 VDC Analog Output Signal R1 SPDT 30 VAC DC 05A Seedable via Jumper R2 SPNO SPNC 30 VAC DC 0 5A 0 4 20mA 0 2 10 V R3R4 Open Colb dar 30 VDC 50 mA The analog input function is determined by the hardware Each PCB has got a label with the specific type See fig 4 4 3 Overview REF Module Connector Block 1 2 3 4 7 5 6 e H 7 4 8 3 z T0 P MV I k y Bridge Voltage Fig 4 Fig 5 Selection of the analog output signal Not set Not set Set Not set Not set Set Set Set 5 Commissioning 2 1 Commissioning Prior to commissioning the wiring of the REF including all field devices must be completely terminated Check the optional external transmitter input signal it has to be the same as indicated on the label of the PCB See fig
19. ct porte panico pt tendu riss 16 3 6 5 Threshold Hysteresis kue idet hi M eebe ee niti etti 16 3 6 6 Delay ot Alarm ON or OFF oii de qe eia d El eh d ta 16 3 6 7 Control Mode ioi itti ao td aon abo fi e br aea ode mns 17 3 6 8 MP Fault Assigned to Alaf irte hn EE ee ro TO Ih ern LU eri 17 3 6 9 Alarm Assigned to Alarm Relay sssssssseeeene emm nennen mener nnne nennen 17 3 6 10 MP Signal Assigned to Analog Output 17 3 7 E UE Eu nes Rp ep e pha pnt eni e prn es 18 3 7 1 Service Mode ote aerei ED trente dep ecce Bec d ede ttes 19 3 7 2 Software Version iie aded ad in fep edet tn det felit toda deed 19 3 7 3 Maintenance Concept sic ne aree te e ee ee t aar east ide de EE aes 19 3 74 Average Functions en reo de ert b reed p e erede et ttl 20 94 5 System Time System Date ied eter ede n eee bed 20 3 7 6 Customer Password Code 1 etm ehe eem eb ec poii a Ree ebd 20 35 2 Analog Output ich concetto etiaro niat utm eta 20 3 7 8 Define the Failur Rel y init teta ee Ier ER D RED eta 21 3 7 9 Power On TIN s aot o ted it or ed ove ft it stt au eee 21 4 Mounting Electrical Connection rrrnsavnnnnvnnnnvnnnnnvnnnnnnnnnnvnnnnvnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnn 22 4 1 Electrical Connection utere Eee btt eer aie cn Ln ed ee eu ve Laden endr 22 4 2 Connection Diagram idt ced saves ce Mae ee aides A aee gre a ee EH E e ine 23 4 3 Overview REx Module Connector Block 24
20. ctor Wire breaking at analog input or detector not calibrated detector defective Check cable to detector make calibration replace the detector Internal communication error I O Board to LCD Board Internal error Change the Gas Controller module System maintenance is necessary Maintenance date exceeded Make the maintenance Display of the actual alarms in plain text in the order of their arrival Only those measuring points are displayed where at least one alarm is active Changes are not possible in this menu Symbol Description Function Measuring MR MP Point No A1 Alarm 1 ON A2 Alarm 2 ON AX Status alarm A3 Alarm 3 ON A4 Alarm 4 ON 3 3 Status Relay The REF has two alarm relays R01 R02 and two open collector outputs R03 R04 In the following description they are referred to as alarm relays Display of the actual status of alarm relays Manual operation of the alarm relays Ii Setting Symbol Description Status Function R01 Relay No 01 Select Relay No OFF Relay OFF No gas alarm ON Relay ON Gas alarm OFF Status olay ocr Manual OFF Relay manual OFF Manual ON Relay manual ON 3 3 4 Manual Operation of the Relays The manual operation of the alarm relays is managed in the menu Status Relay If a relay is in the manual ON or OFF status the orange red alarm LED at the Gas Controller is lit continuously The external operation
21. d by the operator The maintenance message service phone no is reset by entering the next maintenance date after having accomplished the maintenance See also 3 7 5 The service phone no can be entered individually in the next menu T Default i Symbol Description Status Function TT MM JJ Maintenance Date TT MM JJ Input of the date for the next maintenance 0853 Phone No Input of the individual service phone no 3 7 4 For each active measuring point the Single Point Gas Controller calculates the arithmetic average value out of 10 measurements got within the time unit defined in the menu AV Time Average Function This average value is indicated in the menu Measuring Values next to the current value At each measuring point the control mode current or average value is defined for the alarm evaluation The alarm evaluation of the control mode average value is overlaid by the current value when the current value exceeds the alarm threshold defined in the menu AV Overlay The overlay is delayed by the time factor defined in this menu Whit time factor 0 sec the overlay is not active EIE Default Symbol Description Status Function 120s 120s sec Delay time of average value overlay AV Overlay 120 ppm 120 ppm ppm Alarm threshold of average overlay 1800 s AV Time 1800 s sec Time for the calculation of the average value 3 7 5 Time and date have no memory back u
22. frigerant gas ppm 0 300 R411 Refrigerant gas ppm 0 300 R11 Refrigerant gas ppm 0 300 R123 Refrigerant gas ppm 0 300 R134 Refrigerant gas ppm 0 300 R22 Refrigerant gas ppm 0 300 TEM Temperature C 0 50 RH Humidity RH 0 100 CO Carbon dioxide ppm 0 5000 TOX Toxic gas ppm 0 XX 1 Recommendation without obligation Decreasing signal at oxygen measurement 3 6 3 Measuring Range The measuring range can be defined arbitrarily between 10 and 10000 The measuring ranges in the table Gas Type are only recommendations without obligation The measuring range for MP01 integrated gas sensor is factory set the measuring range for MP02 must agree with the signal 4 to 20 mA 0 2 to 10 V of the attached gas detector 4 mA 0 2 V Display 0 ppm 20 mA 10 V Display of the ultimate value of the measuring range 3 6 4 MP Signal Gas transmitters using electro chemical or catalytic beat gas sensors normally produce a linear 4 to 20 mA 0 2 to 10 V signal proportional to the gas concentration Semiconductor gas sensors produce a non linear exponential signal due to their measuring function The Single Point Gas Controller REF is prepared for both types of gas transmitters The classification of signals is defined in this menu The integrated sensor however emits an already linearised signal Therefore choose linear for MPO1 Setting Symbol Description Statu
23. g monitored can affect the sensitivity of the refrigerant gas sensor element and or poison the sensor completely The following are currently known e Silicones e Corrosive substances like H2S SO Cl HCI etc can lead to corrosion and damage of the sensor e Alkaline metals cause a considerable drift of the sensor 5 2 Calibration Required instruments to calibrate the transmitter e Test gas bottle with refrigerant test gas in the range of 1000 ppm for measuring range of 2000 ppm or 100 ppm for measuring range 300 ppm e Gas pressure regulator with flow meter to control the gas flow to 300 ml min e Calibration adapter with tube silicon free e g Viton Calibration set AT 1110S02 See fig 06 e Digital voltmeter with range 0 10 VDC accuracy 1 e A small screwdriver Test gas R 22 or R134a depending on the used sensor see table Overview Gases Data 5 2 1 Zero Point Calibration The zero point calibration of the sensor is not necessary because the zero point of the output signal has already been factory calibrated 5 2 2 Gain Calibration Attention Refrigerant calibration gas is toxic never inhale the gas Symptoms Dizziness headache and nausea Procedure if exposed Take the victim into fresh air at once call a doctor Prior to calibration the sensor element must be fully stabilized by applying power voltage for at least 8 days without interruption Please observe proper handling procedures for test gas
24. ime lt On Relay 3 Off Acknowledging On signal Off 3 5 5 External Relay Operation Assignment to a digital input DI for external switching of the alarm relay ON and or OFF This function has priority to gas alarm and or manual switching in the menu Status Relay Symbol Description d Function R 01 Relay No Relay Selection DI ON External On 0 If digital input closed relay switches ON DI OFF External Off 0 If digital input closed relay switches OFF 3 5 6 Delay Mode of the Relay Delay time ON starts when the alarm is released and or delay time OFF starts when the alarm returns to normal condition Gule Setting e Symbol Description Status Function R 01 Relay No Relay Selection Os Delay Time ON 0 Mode ON Relay is only activated at the end of the defined time sec 0 sec No delay Os Delay Time OFF 0 Mode OFF Relay is only deactivated at the end of the defined time sec 0 sec No delay 3 6 Menu MP Parameters Display and change of parameters assignment of alarms to alarm relays and activation of Measuring Points MP Main Menu Selection of MP Activate or deactivate MP See 3 6 1 Define gas type See 3 6 2 Define measuring range See 3 6 3 Adjust signal form of the transmitter See 3 6 4 TEU i Define threshold 1 See 3 6 5 Define threshold 2 See 3 6 5 Define threshold 3 See 3 6 5
25. l conditions specified in the Technical Data 2 Operating Instruction The complete configuration parameterization and service are made via keypad user interface in combination with the display screen Security is provided via two password levels Alarm 1 Alarm 28 e gt 4 m 2 1 Description Keypad User Interface Exits programming returns to the previous menu level Enters submenus saves settings Scrolls up in main menu and submenus increases or decreases a value Moves the cursor v gt wie LED orange Flashes when alarm one or more alarms are active Permanently on when one of the relays is manually operated LED red Flashes when alarm two or more alarms are active Permanently on when one of the relays is manually operated LED yellow Flashes at system or sensor failure or when maintenance needed LED green Power LED 2 2 Setting Changing Parameters or Set points Open desired menu window mM Code window opens if no code level approved After input of the valid code the cursor jumps on the first position segment to be changed Push the cursor onto the position segment which has to be changed Change the parameter set point Save the changed value m gt v Finish 2 3 Code Levels All changes of parameters and set point values are protected by a four digit numeric code password The code level 1 permits the operation of the REF This code level is intended for the
26. layed in plain text in the starting menu The failure relay which is defined in the system parameter Failure relay is activated The yellow LED in the front of the gas controller flashes In case of fault of a measuring point MP the alarms defined in the menu MP Parameter are activated additionally 3 1 1 Acknowledge a Fault Attention Acknowledging a fault is only possible after having removed the cause Select menu System Errors Example Failure MP 01 3 mA Reset the fault Fault reset Fault reset Cause not eliminated Reset not possible 3 1 2 Error Memory The menu Error Memory in the main menu System Error can only be opened via code level 2 In the error memory the last 15 faults are listed for the service technician even if they were already acknowledged in the menu System Error The deletion of each individual message is effected in the same way as the reset of a fault 3 1 3 System Errors The following system error messages are recorded MP 02 gt 22 mA Cause Solution MP 02 3 mA Cause Solution GC Error Cause Solution Maintenance Cause Solution 3 2 Status Alarm Current signal at analog input gt 22 mA 11Vdc External Detector Short circuit at analog input or transmitter not calibrated detector defective Check cable to detector make calibration replace the detector Current signal to analog input 3 mA 1 3Vdc External Dete
27. p therefore after each power supply OFF ON time and date restart System Time System Date Input and correction of time and date Selection of the time and date format SCH Default Symbol Description Status Function i EU Display of time and date in EU format iz ER 18 US Display of time and date in US format lhaniiss Tine hh mm ss Input of the correct time EU format EA hh mm ss am Input of the correct time US format TT MM JJ 7 Input of the correct date EU format OMM Dale MM TT JJ Input of the correct date US format 3 7 6 Change the system password for level 1 Customer Password Code 1 s Default 3 Symbol Description Status Function 1234 Customer 1234 1234 Define the customer s password with 4 characters Password 3 7 7 Analog Output The Single Point Gas Controller has one analog output AO01 with 0 4 to 20 mA 0 2 to 10 V signal The signal of MP01 or and MP02 can be assigned to the analog output The assignment is effected in the menu MP Parameters for each MP The measuring point sends the signal which is defined in the menu C A Mode The output signal mA V and starting point 0 2096 is selected at the I O Board by means of jumper See fig 4 Out of the signals of all assigned measuring points the Single Point Gas Controller determines the minimum the maximum or the average value and transmits it to the analog output The definition which
28. s Function MP 01 Measuring Point Selection of MP No Linear Transmitter with linear output signal Linear MP Signal Linear Non linear Transmitter with non linear output signal 3 6 5 Threshold Hysteresis For each measuring point four alarm thresholds are available for free definition If the gas concentration is higher than the adjusted alarm threshold the associated alarm is set If the gas concentration falls below the alarm threshold inclusive hysteresis the alarm is again reset Unused alarm thresholds have to be defined at measuring range end point in order to avoid false alarms At O measurement an alarm is released by a decreasing measuring signal Symbol Description rela Function MP 01 Measuring Point Selection MP No 300 Threshold 1 Gas concentration gt Threshold 1 Alarm 1 500 Threshold 2 Gas concentration gt Threshold 2 Alarm 2 300 Thresholds 500 Threshold 3 Gas concentration gt Threshold 3 Alarm 3 ppm 2000 Threshold 4 Gas concentration gt Threshold 4 Alarm 4 50 Hysteresis Gas concentration lt Threshold X Hysteresis Alarm X OFF 3 6 6 Delay of Alarm ON or OFF Definition of alarm ON and or alarm OFF delay The function applies to all alarms of an MP Default Symbol Description Status Function MP 01 Measuring Point Selection of MP No Gas concentration Threshold Alarm is only activated at the end SS EHS of the fixed time sec 0
29. sec No Delay Gas concentration Threshold Alarm is only deactivated at the s Delay Ime OE e end of the fixed time sec 0 sec No Delay 3 6 7 Control Mode Definition of the alarm evaluation by means of current CV or average value AV Default Symbol Description Status t Function MP 01 Measuring Point Selection of MP No CV Evaluation CV CV Control by the current gas value AV Control by the average gas value Current average value function see 3 7 4 3 6 8 MP Fault Assigned to Alarm Definition which alarms are activated in case of a fault at the measuring point e Default i Symbol Description Status Function MP 01 Measuring Point Selection of MP No Alarm 1234 i 0 Alarm not ON at MP failure Faut 0000 Fallure MP 0000 14 Alarm ON at MP failure 3 6 9 Alarm Assigned to Alarm Relay Each of the 4 alarms can be assigned to any alarm relay Unused alarms are not assigned to any alarm relay Symbol Description E Function MP 01 Measuring Point Selection of MP No A1 01 01 Alarm 1 activates alarm relay R 01 4 A2 02 02 7 Alarm 2 activates alarm relay R 02 A3 03 03 Alarm 3 activates alarm relay R 03 A4 04 00 Alarm 4 doesn t activate any alarm relay 3 6 10 MP Signal Assigned to Analog Output The measuring point signal can be assigned to the analog output At this the signal defined in the control mode current or average value is
30. tarting point 0 or 20 0 4 20 mA load x 500 O 0 2 10 V load 2 50 kO Proportional overload and short circuit proof Alarm relay R1 30 VAC DC 0 5 A potential free SPDT Alarm relay R2 30 VAC DC 0 5 A potential free SPNO SPNC Binary output R3 R4 30 VDC 0 05 A open collector output Visualization Display Two lines each 16 characters Status LED 4 Normal operation Fault Alarm 1 Alarm 2 Operation 4 push buttons menu driven Operation Environment Humidity 15 90 RH non condensing Working temperature Storage temperature 10 C to 40 C 14 F to 104 F 5 C to 30 C 41 F to 86 F Pressure range Atmospheric 10 Physical Enclosure stainless steel type 5 Stainless steel V2A Colour Natural brushed Dimensions W x H x D 113 x 135 x 45 mm 4 48 x 5 35 x 1 8 in Weight Approx 0 6 kg 1 32 Ibs Protection class IP 55 Installation Wall mounting pillar mounting Enclosure plastic version type 0 7 Plastics GWPLAST Colour RAL 7032 light grey Dimensions type 0 W x H xD 87 x 127 x 56 mm 3 43 x 5 0 x 2 2 in Dimensions type 7 W x H xD 114 x 156 x 75 mm 4 49 x 6 14 x 2 95 in Weight Approx 0 4 kg 0 9 Ibs Protection IP 55 Installation Wall mounting Cable entry Standard 2 x M 20 Wire connection Screw type terminals min 0 25 to 2 5
31. tatus occurs in the starting menu zd Default 30s Power On Time 30s XX Define the power on time sec 4 Mounting Electrical Connection The Gas Controller is fixed to the wall through the 4 marked mounting holes at the back side of the housing These mounting holes are accessible after opening the housing For mounting you additionally have to plug off the PCB See fig 01 The mounting holes are covered with the enclosed caps after the end of the installation We recommend considering the following when choosing the mounting position e The installation height depends on the gas type to be detected For gases whose specific weight is higher than that of air the installation is near the ground For gases with a specific weight lower than that of air installation has to be at the highest point possible e Cables are inserted from below e Keep a minimum distance of 150 mm on the right side in order to open the stainless steel housing e Customers instructions Mounting 82mm Fig 01 Standard plastic housing Stainless steel housing 4 1 Electrical Connection The technical requirements and regulations for wiring electrical security as well as project specific and environmental conditions etc must be observed when mounting The electrical installation may only be completed by a qualified electrician in full compliance with pertinent regulations We recommend the following
32. y i accede e eee qua e ae eei Eget du aep ee eid ud ba eve eggen ie 31 Single Point Gas Controller Rex 1 Description The Gas Controller REx is used for measuring monitoring and warning of refrigerant gases HFC or HFCF in the ambient air in the ppm range The REx is especially employed for monitoring leakages in refrigeration plants to assure the compliance with the requirements according to EN 378 A semi conductor sensor for refrigerant gases MP01 is integrated in the gas controller In addition an external analog gas transmitter MP02 can be connected to the controller for monitoring toxic combustible or refrigerant gases Four alarm thresholds are free adjustable for each Measuring Point MP Every alarm threshold can be assigned to one of the maximum 4 alarm outputs RX The Gas Controller can interface via the 0 4 to 20 mA or 0 2 to 10 V output signal with any compatible electronic analog control DDC PLC control or automation system The free adjustable parameters and alarm threshold make a very flexible use in the gas measuring possible Simple and comfortable commissioning is possible due to factory adjusted parameters The configuration parameter settings and operation are easy to do without programming knowledge thanks to the simple easy to handle system menu The Single Point Gas Controller REx must not be used in potentially explosive atmospheres The gas controller must only be used within environmenta
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