Data Sheet ENG
Contents
1. Allows for setting of the current date and time Proper adjustment for current date and hour is mandatory for the correct recording of the last alarm state This adjustment must be performed when the central unit is first operated from this moment on the unit will retain the correct date and time even in case of power lack thanks to the internal real time clock and backup battery allow 24h of charging time in case of first operation Change date time rst lt gt ent U press enter Pressing lt or gt cycles through yy mm dd hh mm Pressing or sets the desired value hh mm 09 27 yy mm dd 01 06 10 U press enter to store data Change password Sets new password The password is made range 0 9 of 4 numbers no letters each in the Change password rst lt gt ent U press enter Pressing lt or gt cycles through single digits Pressing or sets the desired value for each digit 1000 ent Set new pw rst lt gt U press enter stores data A NOTE e From the main screen pressing at the same time the three keys lt gt results in resetting the password to the factory value i e 0000 without changing the configuration of the remaining parameters From the main screen pressing at the same time the four keys lt 5 gt results in resetting the password to the factory value i e 0000 as well a2. 55 C Humidity operating range 20 90 RH non cond Pressure operating range 800 1100 hPa Power supply range 230V 15 10 50 60 Hz Power absorption 9 5VA Electrical wirings See section a Batteries See section m Sample flow rate Not applicable Warm up time Not applicable Stabilization time Not applicable Contacts rating zone relays 8 x 2A 230V cos 1 auxiliary relay 1 x 5A 250V cos 1 Prealarm threshold range Methane and L P G 1 100 LEL CO 1 999 ppm Methane and L P G 1 100 LEL CO 1 999 ppm IP 00 IP 30 in DIN rail cabinet 158 x 90 x 71 mm L x Ax P 850 gr This device must be installed in NON CLASSIFIED ATEX zones Alarm threshold range Protection degree Dimensions Weight ATEX protection e STORAGE 5 55 C 20 90 RH non cond 800 1100 hPa Temperature Humidity Pressure f L E L to v v conversion Please refer to the remote sensor User Manual g CONTAMINANTS Not applicable to the Central Unit For remote sensor please refer to the remote sensor User Manual i SAMPLING LINES Not applicable j ALARM AND FAULT SIGNALS Refer to sections a OPERATION b ADJUSTMENT I AUTOMATIC RESET and to Fig 5 k TROUBLESHOOTING e Problem The password has been lost Remedy Proceed with password reset as explained in section b ADJUSTMENT under Change Password Problem One
3. This key is used during configuration to move to previous submenu 15 Decrease button This key is used during configuration to decrease values in numeric fields as well as to cycle through different options for a given parameter 16 Enter button This key when in configuration mode allows to enter the various menus and to confirm the selected parameter Bil 24 26 52 F1 F4 Air extractors 230Vac These are activated when the pre alarm relay in each single zone is activated A1 A4 Acoustic sirens 230Vac These are activated when the alarm relay in each single zone is activated AuxRL Auxiliary relay Pr1 Pr4 Pre alarm relays Refer to proper paragraph for additional informations Al1 Al4 Alarm relays Refer to proper paragraph for additional informations RGY 000 MBP4 019863G8 290911 ATEX DOCUMENTO LISTATO COPIA CONFORME ALL ORIGINALE QUALUNQUE MODIFICA AL PRESENTE DOCUMENTO RICHIEDE LA NOTIFICA DELL ENTE RESPONSABILE DELL APPROVAZIONE CE DI TIPO ATEX LISTED DOCUMENT COPY COMPLIANT WITH ORIGINAL ANY CHANGE TO THIS DOCUMENT REQUIRES NOTIFICATION TO THE NOTIFIED BODY RESPONSIBLE FOR CE TYPE APPROVAL Fig 7 Wiring example with 230Vac NC electrovalve Central unit Type RGY 000 MBP 4 Battery backup system This device must be capable of supplying energy to the central unit in case of power lack In this diagram type ACC SGB12 has been used Gas shut off electrovalve 230Vac This wiring diagram is
4. channel zone shows the F fault message Possible cause The input current loop is broken or the transmitter is not powered Remedy Check connections between the transmitter and the central unit searching for interruptions Check also with a multimeter for the presence of a voltage around 12Vdc between terminals V and Gnd of the relevant zone I AUTOMATIC RESET e Pre alarm relays action could be auto resetting in case the latching parameter under Zone management Zone pre alarm mode has been set to O open Please refer to proper section for further details Auxiliary relay action could be auto resetting in case the latching parameter under Auxiliary relay management Auxiliary relay mode has been set to OPN open Please refer to proper section for further details m BATTERIES MAINTENANCE This central unit features input terminals 6 and 7 for an external 12Vdc power backup Nonetheless it does not provide any recharging function This means that an external unit capable of both providing 12V and recharging function for its battery must be RGY 000 MBP4 019863E8 290911 ATEX DOCUMENTO LISTATO COPIA CONFORME ALL ORIGINALE QUALUNQUE MODIFICA AL PRESENTE DOCUMENTO RICHIEDE LA NOTIFICA DELL ENTE RESPONSABILE DELL APPROVAZIONE CE DI TIPO ATEX LISTED DOCUMENT COPY COMPLIANT WITH ORIGINAL ANY CHANGE TO THIS DOCUMENT REQUIRES NOTIFICATION TO THE NOTIFIED BODY RESPONSIBLE FOR CE TYPE APPRO
5. settings screen rst lt gt ent Change password Change password screen rst lt gt ent Zone1 management Zone1 gas type Sets the gas type for the sensor wired in Zone 1 Zonel management rst lt gt ent U press enter Pressing or cycles ent through gas LPG CO MET e LPG Selected gas is LPG e co Selected gas is Carbon Monoxide e MET Selected gas is Methane Zone1 management Zone active Sets Zone 1 as active or inactive Zonel management rst lt gt ent U press enter then gt Zonel active Y Pressing or cycles rst lt gt ent through Y and N e Y Zone is active i e a transmitter is connected e N Zone is inactive Zone1 management Zone1 LEL ppm at full scale ATEX DOCUMENTO LISTATO COPIA CONFORME ALL ORIGINALE QUALUNQUE MODIFICA AL PRESENTE DOCUMENTO RICHIEDE LA NOTIFICA DELL ENTE RESPONSABILE DELL APPROVAZIONE CE DI TIPO ATEX LISTED DOCUMENT COPY COMPLIANT WITH ORIGINAL ANY CHANGE TO THIS DOCUMENT REQUIRES NOTIFICATION TO THE NOTIFIED BODY RESPONSIBLE FOR CE TYPE APPROVAL press enter Sets the full scale range for the sensor connected to Zone 1 The 5 er boy i value that must be entered here is the full scale value in LEL ress ng lt or gt cycles i i j Enter pwd 0000 through single digits for Paa or ppm for toxic that the oni ae rst lt gt ent Pressing or se
6. valid for Normally Closed type electrovalve Gas sensors In this diagram remote sensors of the SGY series are used please refer to the sensor User Manual for additional informations Air extractors 230Vac These are activated when the pre alarm relay in each single zone is activated In Gnd In Gnd RGY 000 MBP4 In Gnd In Gnd Fig 8 Wiring example with 12Vdc NC electrovalve Central unit Type RGY 000 MBP 4 Battery backup system This device must be capable of supplying energy to the central unit in case of power lack In this diagram type ACC SGB12 has been used Gas shut off electrovalve 12Vdc This wiring diagram is valid for Normally Closed type electrovalve Gas sensors In this diagram remote sensors of the SGY series are used please refer to the sensor User Manual for additional informations 26 24 Acoustic sirens 230Vac These are activated when the alarm relay in each single zone is activated Auxiliary relay Pre alarm Alt1 Al4 NOTE F1 F4 A1 A4 AuxRL Pr1 Pr4 Alt1 Al4 relays Refer to proper paragraph for additional informations Alarm relays Refer to proper paragraph for additional informations This diagram features a positive safety For proper operation the parameter Auxiliary relay logic must be set to REV so that any lack of power would result in the relay opening and valve deactivation Air extractors 230Vac These are activate
7. 63D8 290911 ATEX DOCUMENTO LISTATO COPIA CONFORME ALL ORIGINALE QUALUNQUE MODIFICA AL PRESENTE DOCUMENTO RICHIEDE LA NOTIFICA DELL ENTE RESPONSABILE DELL APPROVAZIONE CE DI TIPO ATEX LISTED DOCUMENT COPY COMPLIANT WITH ORIGINAL ANY CHANGE TO THIS DOCUMENT REQUIRES NOTIFICATION TO THE NOTIFIED BODY RESPONSIBLE FOR CE TYPE APPROVAL zone 1 mzone 2 Message displayed F J M 6 P The red led flashes in correspondence with the symbol A and the buzzer sends an intermittent tone Explanation Prealarm state The prealarm concentration threshold in the zone under monitoring has been exceeded In this example a prealarm threshold of 6 L E L has been assumed default factory value zone 1 zone 2 Message displayed F J M 13 A The red led is turned on in correspondence with the symbol A and the buzzer sends a continuous tone Explanation Alarm state The alarm concentration threshold in the zone under monitoring has been exceeded In this example an alarm threshold of 13 L E L has been assumed default factory value Alarm relay red led and buzzer are latched as active until the reset button is pressed zone 1 zone 2 Message displayed F J M OVR A The red led is turned on in correspondence with the symbol A and the buzzer sends a continuous tone Explanation Over Range state The upper limit of the measuring range has been exceeded Alarm relay red led and bu
8. ATEX DOCUMENTO LISTATO COPIA CONFORME ALL ORIGINALE QUALUNQUE MODIFICA AL PRESENTE DOCUMENTO RICHIEDE LA NOTIFICA DELL ENTE RESPONSABILE DELLAPPROVAZIONE CE DI TIPO ATEX LISTED DOCUMENT COPY COMPLIANT WITH ORIGINAL ANY CHANGE TO THIS DOCUMENT REQUIRES NOTIFICATION TO THE NOTIFIED BODY RESPONSIBLE FOR CE TYPE APPROVAL RGY 000 MBP4 4 ZONES GAS DETECTION CENTRAL UNIT e 230V power supply e Controls up to 4 zones e Manages CO L P G and Methane CH transmitters e Wide parameters configuration freedom e Last alarm conditions data retention e LCD backlight 2 x 16 characters display e 9 modules DIN rail mount e Compliant with EN60079 29 1 performance standard a OPERATION INSTALLATION AND MAINTENANCE Operation This is a microcontroller based device capable of monitoring the gas concentration in up to 4 different zones for each of these a 4 20 mA transmitter can be wired for measurement and detection of either L P G Methane or Carbon Monoxide CO After power up the display shows the following information p 1 m zone gt FIRMWARE a nnnnnn 7 zone 3 lL zone 4 where nnnnnn is the firmware version installed in the device This information will remain visible for about 2 seconds After this time the main information will be displayed example r 1 m zone G 0 C 50p 13 P M 2N zone 3 L zone 4 Each zone provides the following information The first letter from left e
9. TATO COPIA CONFORME ALL ORIGINALE QUALUNQUE MODIFICA AL PRESENTE DOCUMENTO RICHIEDE LA NOTIFICA DELL ENTE RESPONSABILE DELLAPPROVAZIONE CE DI TIPO ATEX LISTED DOCUMENT COPY COMPLIANT WITH ORIGINAL ANY CHANGE TO THIS DOCUMENT REQUIRES NOTIFICATION TO THE NOTIFIED BODY RESPONSIBLE FOR CE TYPE APPROVAL 1 2 8 00 la alee I reset 10 OA 1 O Cseitron 12 Fig 5 Front panel Keyboard explanation 1 Buzzer Inside the central unit a buzzer is mounted which is activated any time an abnormal situation is detected 2 Reset button This key features two functions Quits the current menu and returns to the upper level menu When depressed more than 3 seconds it shows the last alarm or prealarm that happened in all zones Zone 1 display area In this area the user can read the actual gas concentration the gas type for which the zone has been programmed and the presence of any abnormal situation like pre alarm alarm fault or overrange please refer to proper section for in depth description of the messages Display Through this 16 characters by 2 lines display all messages are shown to the user Zone 2 display area Same as point 3 but for Zone 2 Increase button This key is used during configuration to increase values in numeric fields as well as to cycle through different options for a given parameter Shift right button This key is used during configuration to move to the next submenu On Off ind
10. VAL wired in case a power lack tolerant system is required In the diagrams provided in this User Manual the device ACC SGB 12 has been used as an example The battery maintenance operations must be based on what the manufacturer of this additional device suggests n SPARE PARTS This central unit has no user serviceable parts o ACCESSORIES This central unit has no accessories p MARKING Transmitter CE Type Certificate BVI 11 ATEX 0000 The above mentioned CE Type Certificate has been issued for a system composed of this Central Unit RGY 000 MBP4 and 4 20mA remote Gas Sensors SGY MEO V4 XD Manufacturer address Serial Number and manufacturing Year Operating voltage Performance standard to which the compliance is declared Type designation C seitron SpA Bassano del Grappa 36061 ITALY ade in Italy U 23 V 150 60Hz Input 4 20mA Pmax 9 5 VA Tamb 5 65 C IP rating IP 30 Zone relays 2A 230Vac Auxiliary relay 5A 250Vac cosd 1 cos 1 Operational limitations Notified Body responsible for CE Type Approval and Certificate number Number of Notified Body responsible for Quality System Fig 1 Marking label example WARNING e This Central Unit is NOT approved for installation in ATEX classified zones q ADDITIONAL INFORMATION No additional information regarding any special nature of the device is needed In the view of a constant development of t
11. concentration value at which a first level of attention is needed because the environment is becoming dangerous Zonel management rst lt gt ent press enter then gt 3 times Pressing T or T from 1 to 100 and from lppm to 999ppp cycles LPG and MET CO 100 ent Zonel pral rst lt gt A WARNING e In case the user tries to set a value for prealarm higher than that for alarm the central unit automatically corrects the latter by raising it to the same value as the prealarm Zone1 management Zone1 alarm threshold Sets the pre alarm threshold level for Zone 1 in LEL for combustible or ppm for toxic Zonel management rst lt gt ent press enter then gt 4 times Pressing or from 1 to 100 and from lppm to 999ppp cycles LPG and MET CO 100 ent Zonel alrm rst lt gt A WARNING Incase the user tries to set a value for alarm lower than that for prealarm the central unit automatically corrects the latter by lowering it to the same value as the alarm Zone1 management Zone1 pre alarm mode Sets the pre alarm relay retention mode latching or non latching In order to reset the relay in case the latched mode has been set and the pre alarm happened just press for a few seconds the reset key the display will show the date and time when the prealarm was triggered Even in case the non latched mode is selected shoul a pr
12. d state is reached the unit will also enable the alarm relay thus closing the relevant output contact At the same time the central unit has stored the pre alarm state first c M seitron Via Prosdocimo 30 36061 BASSANO DEL GRAPPA VI Tel 39 0424 567842 Fax 39 0424 567849 http www seitron it e mail info seitron it and the alarm state later the date and hour when the last has happened will be retained in the central unit memory In case the gas concentration returns below the pre alarm threshold the relevant relay will return to its normal operation state or not according to how the prealarm relay operating mode was set in the configuration Note For compliance with the current performance standards the Alarm relay has always a latched operation and this mode cannot be modified by the user Whenever either an Alarm situation A or an Overrange OVR situation is reached this relay is kept energised together with the internal buzzer and the red led until the user intentionally presses for 3 seconds the reset key Auxiliary relay The central unit features one additional relay with changeover contacts SPDT which can be activated according to events and operating modes set by the installer through the relevant menu Display of the last alarm state The central unit can retain the date and hour of the last alarm event happened in each zone This information can be read by the user at any time by pre
13. d when the pre alarm relay in each single zone is activated Acoustic sirens 230Vac These are activated when the alarm relay in each single zone is activated Auxiliary relay Pre alarm relays Refer to proper paragraph for additional informations Alarm relays Refer to proper paragraph for additional informations RGY 000 MBP4 019863H8 290911
14. e alarm event be triggered the relevant date and time is acquired it can be displayed by pressing for a few seconds the reset key Zonel management rst lt gt ent U press enter then gt 5 times or f and L Zonel pr mode O Pressing rst lt gt ent between 0 cycles e O Pre alarm relay is non latched e L Pre alarm relay is latched WARNING The alarm relay operation for each zone is set to latched because of the performance standard requirements This setting cannot be changed The same is true for the over range OVR condition Auxiliary relay management Configures the auxiliary relay operation Aux relay mgmt rst lt gt ent U press enter Aux rl on rst lt gt t U Aux rl on rst lt gt U Aux rl on rst lt gt U Aux rl on ALARM rst lt gt ent U Aux rl on AL FA rst lt gt ent DISAB Pressing ent between DISAB PRIAL ALARM or cycles FAULT AL FA FAULT ent PR AL ent e DISAB disabled the auxiliary relay operation is disabled ALARM alarm the auxiliary relay is energized whenever the unit detects a concentration level above the alarm threshold for any zone FAULT error when this mode is selected the auxiliary relay is energized whenever the unit detects either a fault in the transmitter or a fault in the current loop for any of the zone
15. fter having set a parameter Pressing the enter key stores the changes into device memory Pressing the reset key quits the changes without storing the changes and returns to the upper level menu e In every parameters configuration phase the central unit returns to the main menu whenever no activity is made on the keys for more than 15 seconds Power on sequence POWER ON FIRMWARE This screen shows the current VERSION nnnnnn firmware version enter Enter pwd 0000 gt rst lt gt ent press reset The following screens show the for 3 seconds last event in each zone Pressing lt or gt eycles through all zones Zone2 prealarm 12 07 10 09 20 U Zone3 prealarm 12 07 10 09 20 U Zone4 prealarm 12 07 10 09 20 Configuration menus From the main screen showing the current state of all active zones the user can access all configuration sub menus which allow to change the settings of the available parameters for a proper operation of the gas detection system Main screen example U enter password press enter Zonel management Pressing lt or gt cycles rst lt gt ent through all submenus Press enter to access the submenu Zone2 management rst lt gt ent U Zone3 management rst lt gt ent U Zone4 management rst lt gt ent U Aux relay mgmt Auxiliary relay manag screen rst lt gt ent U Change date time Date time
16. heir products the manufacturer reserves the right for changing technical data and features without prior notice The consumer is guaranteed against any lack of conformity according to the European Directive 1999 44 EC as well as to the manufacturer s document about the warranty policy The full text of warranty is available on request from the seller Display Indication Oo oO jo fo ei oO co i o Gas Concentration L E L 8 Fig 2 Display concentration vs Input Current 100 L E L This chart is valid for the use of a 4 20mA transmitter which delivers 20mA in correspondence of 100 L E L Setting of the parameter Zone fs must be 100 L E L Display Indication e e N mMm w w co vc Gas Concentration L E L be Fig 3 Display concentration vs Input Current 50 L E L This chart is valid for the use of a 4 20mA transmitter which delivers 20mA in correspondence of 50 L E L Setting of the parameter Zone fs must be 50 L E L Display Indication i i Q N w Gas Concentration ppm Fig 4 Display concentration vs Input Current 500ppm This chart is valid for the use of a 4 20mA transmitter which delivers 20mA in correspondence of 500ppm Setting of the parameter Zone fs must be 500ppm RGY 000 MBP4 019863F8 290911 ATEX DOCUMENTO LIS
17. icator This indicator shows the presence of power supply for the central unit either from mains or from the In Gnd RGY 000 MBP4 In Gnd Fig 6 Wiring example with 230Vac NC electrovalve C1 Central unit Type RGY 000 MBP 4 B1 Battery backup system This device must be capable of supplying energy to the central unit in case of power lack In this diagram type ACC SGB12 has been used Gas shut off electrovalve 230Vac This wiring diagram is valid for Normally Closed type electrovalve Gas sensors In this diagram remote sensors of the SGY series are used please refer to the sensor User Manual for additional informations EV eventual battery backup system 9 Fault indicator This indicator shows the presence of a fault in a remote sensor or in the wiring to the central unit Refer to proper section for explanation of the possible causes of fault 10 Alarm indicator This indicator shows the presence of an alarm or overrange in the system The indicator flashes in case of pre alarm condition while is steadily turned on in case of alarm or overrange Refer to proper section for further details 11 Mains indicator This indicator is turned on when mains power is present Together with On Off indicator shows whether the unit is working with mians power or battery backup power 12 Zone 3 display area Same as point 3 but for Zone 3 13 Zone 4 display area Same as point 3 but for Zone 4 14 Shift left button
18. res with 1 5 mm minimum cross section and no longer than 25 m Do not use same duct for signal wires and mains e In case of installation where strong EMC disturbances are present it is highly suggested the use of shielded cables The shield must be connected to the Gnd terminal of the relevant zone on the Central Unit side only The appliance must be wired to the electric mains through a switch capable of disconnecting all poles in compliance with the current safety standards and with a contact separation of at least 3 mm in all poles Installation and electrical wirings of this appliance must be RGY 000 MBP4 019863A8 290911 made by qualified technicians and in compliance with the current technical and safety standards Before wiring the appliance be sure to turn the mains power off It is up to the installer whose responsibility is to set up a detection system in compliance with the existing standards both European and National to choose the proper type of loads to connect to the central unit as well as the correct configuration of the system parameters In case of doubts please contact the distributor b ADJUSTMENT In order to get access to the parameters configuration menu a password is required The factory set password value is 0000 It is mandatory to modify it to prevent changes on settings from unauthorized people as required by the performance standards A NOTE e In each of the following directions a
19. s PR AL prealarm alarm the auxiliary relay is energized whenever the unit detects a concentration level above the prealarm threshold i e also above the alarm threshold for any zone ALARM alarm the auxiliary relay is energized whenever the unit detects a concentration level above the alarm threshold for any zone AL FA alarm fault the auxiliary relay is energized whenever the unit detects a concentration level above the alarm threshold or in case of a fault detected on any zone Auxiliary relay management Auxiliary relay mode Sets the auxiliary relay reset mode Aux relay mgmt rst lt gt ent U press enter then gt RGY 000 MBP4 019863C8 290911 ATEX DOCUMENTO LISTATO COPIA CONFORME ALL ORIGINALE QUALUNQUE MODIFICA AL PRESENTE DOCUMENTO RICHIEDE LA NOTIFICA DELL ENTE RESPONSABILE DELL APPROVAZIONE CE DI TIPO ATEX LISTED DOCUMENT COPY COMPLIANT WITH ORIGINAL ANY CHANGE TO THIS DOCUMENT REQUIRES NOTIFICATION TO THE NOTIFIED BODY RESPONSIBLE FOR CE TYPE APPROVAL Aux rl mode OPN Pressing or rst lt gt ent between OPN cycles and LCK e LCK locked when the auxiliary relay is energized it remains energized even in case the triggering event is removed i e the event is latched In order to reset the relay press the reset button e OPN open when the auxiliary relay is energized and then the triggering event is removed the rela
20. s ALL other parameters Messages on the central unit display In the following are described the messages on the central unit display in different conditions It is assumed that the Zone 1 has been set for Methane gas and the actual concentration is varying zone 1 zone 2 Message displayed Explanation Zone inactive The relevant zone has not been activated Remember that once a transmitter has been wired to an input the relevant zone must also be activated in configuration Message displayed p 1 m zone z M 0 _ Normal operation This is what display shows during normal operation Concentration detected in this example is 0 L E L Explanation p 1 m zone a M The yellow led flashes in correspondence with the symbol A and the buzzer sends an intermittent tone Message displayed Explanation Fault in the current loop line Cable connecting the transmitter to the central unit present either a short or an open circuit failure between any of the sensor wires Check and repair the current loop line regarding the faulty zone p 1 m zone an M The yellow led is turned on in correspondence with the symbol A and the buzzer sends a continuous tone Message displayed Explanation Fault on the gas sensor The gas sensor is faulty and is setting 2mA on the current loop Check for the faulty transmitter and eventually replace it with a new one RGY 000 MBP4 0198
21. ssing for 3 seconds the reset key when in main display screen then pressing lt or gt keys to cycle through the zones Electrical Wirings The central unit is normally powered with 230V mains voltage At terminals 6 and 7 the user can wire a battery backup system whose purpose is to grant full functionality to the central unit even in case of power failure see section m for details Normally Closed NC output of the auxiliary relay is available at terminals 15 and 16 while the Normally Open NO one is available at terminals 16 and 17 This output can be used either for driving general purpose loads as a siren or an flashing light or with proper configuration of the relevant parameters to drive a gas shut off electrovalve Moreover this central unit features two single pole relay contacts for each zone one for prealarm and one for alarm The number of transmitters which can be wired to the central unit is 4 each compliant with the 4 20 mA current loop system In order to make electrical wirings please refer to the suggested wiring diagrams Please also note that all the relay outputs of the central unit do not feed power to the loads In other words all outputs are voltage free giving the user more freedom to use loads with several operating voltages A WARNING This Central Unit is NOT approved for installation in ATEX classified zones All wirings with remote sensors must be made using wi
22. ts the measures when setting its maximum current value i e 20mMA This desired value for each digit allows for the proper indication of the LEL on the central unit RGY 000 MBP4 019863B8 290911 ATEX DOCUMENTO LISTATO COPIA CONFORME ALL ORIGINALE QUALUNQUE MODIFICA AL PRESENTE DOCUMENTO RICHIEDE LA NOTIFICA DELL ENTE RESPONSABILE DELL APPROVAZIONE CE DI TIPO ATEX LISTED DOCUMENT COPY COMPLIANT WITH ORIGINAL ANY CHANGE TO THIS DOCUMENT REQUIRES NOTIFICATION TO THE NOTIFIED BODY RESPONSIBLE FOR CE TYPE APPROVAL display The central unit takes care of converting proportionally all values between 4 and 20mA into the correct value from 0 or Oppm to the full scale Zonel management rst lt gt ent press enter then gt twice Pressing or eycles from 1 to 100 LPG and MET and from lppm to 999ppp CO 100 ent Zonel fs rst lt gt WARNING The value to set for this parameter is strictly dependant on the gas transmitter features i e which value has been set as full scale 20 mA in the transmitter at design time e When for a zone a CO carbon monoxide transmitter is selected in order to compensate for small drifts in the zero level the central unit will not show values within the 2 5 of the set full scale range Zone1 management Zone pre alarm threshold Sets the pre alarm threshold level for Zone 1 in LEL for combustible or ppm for toxic This is the gas
23. xplains the transmitter type wired to the central unit The transmitters which can be wired to the central unit can be different for each zone the detectable gases are the following L P G fet Methane CH4 Carbon Monoxide display shows letter display shows letter M display shows letter C Values displayed on the right in L E L in case L P G or Methane transmitters are connected or ppm in case of Carbon Monoxide are the actual gas concentration values measured by the transmitters The last letter shown on the display for each zone indicates the actual state of the relevant transmitter as explained in the following _ Active state measuring normal operation G Fault on the G as transmitter lout 2 mA F F ault over the current loop either short or open circuit between any of the sensor wires lout 0 mA P realarm state Alarm state When ovr is shown in place of the concentration value this means that the upper limit of the measuring range has been exceeded The ovr state corresponds to an input current value above 20mA prs AY Prealarm and Alarm functions The central unit can manage separately the pre alarm and alarm conditions through two distinct Normally Open output relays In case the prealarm threshold is reached the central unit enables the relevant relay which in turn closes its output contacts In case the alarm threshol
24. y returns to its former state i e the event is not latched Auxiliary relay management Auxiliary relay logic Sets the auxiliary relay logic Aux relay mgmt rst lt gt ent U press enter then gt twice Aux rl mode NOR Pressing or rst lt gt ent between NOR cycles and REV e NOR normal any triggering event turns the relay on e REV reverse the relay is normally energized In case of a triggering event the relay is de energized Use this mode when a positive safety mode is required because even in case of lack of power supply the relay is de energized thus granting a higher level of safety Auxiliary relay management Auxiliary relay start Sets the auxiliary relay start mode when power is first applied or after a power lack Aux relay mgmt rst lt gt ent U press enter then gt 3 times Aux rl strt DIS rst lt gt Pressing ent between DIS or Ts cycles and ENA e DIS disabled the relay is activated according to the current triggering events ENA enabled the operator must start the operation by intentionally arming the system In other words the auxiliary relay is kept indefinitely inactive according to other mode settings until the operator intentionally presses the reset button Choose this mode when a human intentional reset is required after a power lack Change date time
25. zzer and indication OVR are latched as active until the reset button is pressed Message displayed pa 1 m zone a MEMORY FAULT 01 SERVICE 7 zone 3 L zone 4 Explanation Memory fault An error in one of the internal memories has been detected The operation is not reliable anymore Contact service for device replacement Codes errors are 01 EEprom memory fault 02 Flash memory fault and 03 RAM memory fault c PERIODICAL CHECK A periodical check should include the following operations a every 3 6 months Functional check of the correct operation of the entire detection system by applying calibrated gas to each remote sensor and check of the value displayed Also refer to the sensor User Manual for further information every 12 months Instrumental check of the transfer function of the central unit and correct detection of the abnormal situations This can be done by disconnecting the sensors from inputs and forcing through a proper calibrator the input current of each zone to the significant current values e g OmA loop broken 2mA fault 4 20mA normal operation gt 20mA overrange d OPERATING LIMITATIONS This device can be set either for flammable gases like Methane M and LPG G or for toxic gases like CO C For cross sensitivities refer to the remote sensor User Manual Response time Too Not applicable Temperature operating range 5 C
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