OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS Main features Omni Directional high output sounder 110dB max @ 1 mtr nd 2 stage alarm, independently selectable 2 stage All units share a common explosion proof housing Meets UL, CSA, GOST, ATEX and IECEx Approvals ATEX / IECEx Approved for Gas & Dust Zone 1 & 2, 21 & 22. Dual cable entry, cable in - cable out: c/w ATEX certified plugand dustcover as standard on ATEX models; UL models supplied with 2 x 1/2 inch NPT adaptors. Aluminium enclosure with stainless steel fasteners. Lens guard provided as standard Flash rate 1 per second. Weather proof flame retardant ABS horn 7 Lens colours in flame retardant polycarbonate, Clear (C), Opal (O), Yellow (Y), Red (R), Amber (A), Blue (B), Green (G). Telephone Initiate option available - contact Sales Office 32 selectable tones meeting international regulations Sound selection via DIL switches. Temperature class T4 Standard, Class T6 Optional R. STAHL Schaltgeräte GmbH Kompetenzcenter Licht Nordstraße 10, D-99427 Weimar Telefon: +49 3643 4324 Telefax: +49 3643 422176 E-Mail: info.leuchten@stahl.de www.stahl-ex.com The production is carried out in a manufacturing facility which is listed in a communication about the recognition of quality insurance or in the Quality Assessment Report. ID: 205571/D7292/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS Technical Specifiation IP66 NEMA 4X Sounder/Strobe Sounder Strobe • Sounder Strobe Sounder/Strobe Sounder Strobe 24Vdc 24Vdc 24Vdc 24Vdc 24Vdc 48Vdc 48Vdc 48Vdc 115Vac 115Vac 115Vac 115Vac 115Vac 230Vac 230Vac 230Vac 230Vac (YL6) (YO6) (V6) 5 J (V6) 10J (V6) 20J (V6) 5J (V6)10J (V6) 20J (YO6) (V6) 5 J (V6) 10J (V6) 20J (YL6) 5J (YO6) (V6) 5J (V6) 10J (V6) 20J (UL, ATEX, GOST, IECEx) (UL, ATEX, GOST, IECEx) (UL, ATEX, GOST, IECEx) (ATEX, GOST, IECEx) (ATEX, GOST, IECEx) (UL, ATEX, GOST, IECEx) (ATEX, GOST, IECEx) (ATEX, GOST, IECEx) (UL, ATEX, GOST, IECEx) (UL, ATEX, GOST, IECEx) (ATEX, GOST, IECEx) (ATEX, GOST, IECEx) (UL, ATEX, GOST, IECEx) (UL, ATEX, GOST, IECEx) (UL, ATEX, GOST, IECEx) (ATEX, GOST, IECEx) (ATEX, GOST, IECEx) 570mA 350mA 220mA 500mA 1.1A 135mA 300mA 560mA 110mA 90mA 105mA 260mA 200mA 55mA 45mA 53mA 170mA Operating temperatures Gas Group IIB T4(-35 ºC to +60ºC) T6(-35 ºC to +40ºC) Gas Group IIB+H2 T4(-20 ºC to +60ºC) T6(-20 ºC to +40ºC) (For European [T6]Class refer to Sales Office) (-35 ºC to +40ºC) (-25 ºC to +40ºC) Approval specification Underwriters Laboratories UL Standards UL 464, UL 1203, UL 1638 Control No.8N30 (Sounder YO6 and Combined Unit YL6) Control No.13JM (Strobe V6 only) UL Classifications Class I Division 1, Gas Group BCD Class II Division 1, Gas Group EFG (Strobe V6 only) CUL Canada CSA C22.2 No.25-M1966, CSA C22.2 No. 30-M1986 European Standards EN60079-0:2004 (EN50014:1997+ Amendments 1 and 2) EN60079-1:2004 (EN50018:2000) EN50281-1-1:1998. ATEX Directive 94/9/EC Baseefa02ATEX0212X II2 GD Ex d IIB T4 (or T6 see above) Baseefa02ATEX0222X II2 GD Ex d IIB+H2T4 (or T6 see above) Russian Approval GOST-R International Certification IECEx 2 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS 3 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS THESE INSTRUCTIONS MUST BE READ AND UNDERSTOOD BEFORE CARRYING OUT ANY WORK ON THE ALARM. Do not discard any packing material until installation is complete. THESE ALARMS SHOULD ONLY BE INSTALLED BY COMPETENT PERSONNEL These alarms are certified in accordance with the ATEX Directive 94/9/EC. The certificate numbers and their associated marking are as follows: Baseefa02ATEX0212X CE0158 II 2 GD - Ex d IIB T 135C (Tamb –35 C to +60 C) II 2 GD - Ex d IIB T 85C (Tamb –35 C to +40 C) Baseefa02ATEX0222X CE0158 II 2 GD - Ex d IIB+H2 T 135C (Tamb –20 C to +60 C) II 2 GD - Ex d IIB+H2 T 85C (Tamb –20 C to +40 C) These alarms are certified in accordance with the IEC60079-0:2004 Edition 4 and IEC60079-1:2003 Edition 5. The certificate numbers and their associated marking are as follows: IECEx BAS05.0086X Ex d IIB T4 (Tamb –35 C to +60 C) Ex d IIB T6 (Tamb –35 C to +40 C) IECEx BAS05.0087X Ex d IIB+H2 T4 (Tamb –20 C to +60 C) Ex d IIB+H2 T6 (Tamb –20 C to +40 C) No alteration to the unit is allowed. In case the unit becomes faulty, It must be returned to the factory. ‘This equipment is designed and manufactured to protect against other hazards as defined in paragraph 1.2.7 of Annex II of the ATEX Directive 94/9/EC.’ 4 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS INSTALLATION AND OPERATING INSTRUCTIONS These instructions apply to the following Alarm models: Flameproof audible range, sounder type YO6 Flameproof visual range, strobe type V6 5J 10J 20J Combined audible & visual range, type YL6 YA60BD, YA60BF, YA60BL, YA60BN YA60CD, YA60CF, YA60CL, YA60CN FL60BD50, FL60BF50, FL60BL50, FL60BN50 FL60CD50, FL60CF50, FL60CL50, FL60CN50 FL60BD100, FL60BF100, FL60BL100, FL60BN100 FL60CD100, FL60CF100, FL60CL100, FL60CN100 FL60BD200, FL60BF200, FL60BL200, FL60BN200 FL60CD200, FL60CF200, FL60CL200, FL60CN200 YL60BD50, YL60BF50, YL60BL50, YL60BN50 YL60CD50, YL60CF50, YL60CL50, YL60CN50 These products are a range of audible and visual alarms approved for use in potentially explosive atmospheres, and have been ATEX and IECEx certified by Baseefa Ltd using EN60079-0 and EN60079-1:2004 standards. Models are available for use in hazardous areas with the following classifications: Group IIB and IIB+H2. An alarm approved for use in a particular gas group may be used in areas where the gas group is of a lower hazard. i.e. IIB+H2 equipment is suitable for Gas groups IIB and IIA, also IIB equipment is suitable for Gas group IIA also. The alarms are suitable for outdoor use. ALL INSTALLERS MUST PROVIDE SUPPLY LINE FUSES The Yodalex alarms meet the requirements of standards BS EN60529:1992, Degree of protection IP66 General The alarms must be installed in accordance with these instructions. The alarms must also be installed in accordance with local codes and/or special requirements of any authority having jurisdiction. Models for connection to DC supplies have a DC lines status monitoring facility. 5 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS PREPARATION ENSURE THE SUPPLY IS OFF BEFORE COMMENCING INSTALLATION. A. Check that you have the correct alarm to satisfy the system specification. Gas group and temperature? Audible or Visual alarm or both? Supply voltage? Sound signal selected ? Strobe lens colour correct ? Suitable mounting location ? Cable connection and installation method ? B. Location Select a suitable location for the alarm with regard to the area to be covered by the sound or flash signal. The surface should be flat in the area of the fixings and the material suitable to carry the weight of the alarm. For a sounder, the sound signal pattern is omni-directional and the sounder should be mounted with the Horn at the top. For a strobe, the alarm should be mounted with the lens at the bottom and out of direct sunlight. In exceptional circumstances, the alarms can be mounted horizontally or for the strobe, with the lens uppermost. Do not mount the sounder with the Horn downwards. The cable must be connected to the alarm via a sealed component and this must be located adjacent to the cable entries in the alarm body. Suitable sealing devices are a sealed threaded nipple or a sealed gland; the choice of device depends upon the gas group applicable to the installation and on the chosen installation method. There are two entries to the alarm body and one or both may be used depending upon the number of cable cores required by the system arrangement. It is preferable that the cable and its seal be fitted at the factory or approved workshop; however the method for assembling the cable and sealed components is described below. IMPORTANT THE ALARM IS A PRECISION INSTRUMENT. TAKE EXTREME CARE WHEN HANDLING. Particular care is needed when removing or replacing components which form part of the flameproof enclosure. Exposed joint surfaces must be protected and not have contact with dust or dirt, or be knocked against any object. The end flanges must be fitted squarely and on no account is force to be used. The flange must not be hammered, levered with a metal instrument or the fixing screws used to pull down the flange. With care and patience, it will be found that the flange enters the body without difficulty. I. Combined Sounder/Strobe It is recommended that the unit be stood upright in a cup-shaped base holding the strobe section. Remove the Horn from the sounder flange by unscrewing the three self-tapping screws (pozi drive head) in the dome of the Horn. Unscrew the four socket headed screws, two washers and 'O' ring in the flange. (Socket head wrench 4mm (5/32") across flats). These screws will not be fully tightened if the alarm is not a factory-sealed unit. IMPORTANT: TAKE EXTREME CARE WHEN REMOVING THE SOUNDER FLANGE FROM THE MAIN BODY. DO NOT USE THE TRUMPET AS A LEVER. Unplug the pressure unit cable from the PCB assembly. The exposed joints must be kept clean of dirt and not damaged in handling. Lay down the sounder flange assembly to one side on a clean piece of the packing material. 6 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS CABLE CONNECTION (ATEX ONLY) Cable entry hole(s) to accommodate any suitable ATEX certified flameproof cable entry device for gas group IIB or IIC with or without the interposition of a suitable ATEX certified flameproof thread adaptor and for which the cable is appropriate and suitable for the conditions of use. Cable entry temperature may reach 70C. Cable entry devices must be ATEX certified suitable for either IIB for IIB gas group or IIC for IIB+H2 gas group. Any unused entry hole is to be closed using a suitable ATEX certified flameproof stopping plug for gas group IIB or IIC with or without the interposition of a suitable certified flameproof adaptor for gas group IIC (one Baseefa ATEX certified stopping plug is fitted by manufacturer as standard). Suitable ATEX flameproof cable entry devices, thread adaptors and stopping plugs certified as Equipment (not a Component) under an EC-Type Examination Certificate to Directive 94/9/EC may also be used in the manner indicated above. The terminals accept wires of 2.5 mm². The PCB assembly may be lifted in its slide channels to give easier access to the terminals. CABLE CONNECTION (IECEx) Cable entry hole(s) to accommodate any suitable certified flameproof cable entry device for gas group IIB or IIC with or without the interposition of a suitable certified flameproof thread adaptor and for which the cable is appropriate and suitable for the conditions of use. Cable entry temperature may reach 70C. Cable entry devices must be certified suitable for either IIB for IIB gas group or IIC for IIB+H2 gas group. Any unused entry hole is to be closed using a suitable certified flameproof stopping plug for gas group IIB or IIC with or without the interposition of a suitable certified flameproof adaptor for gas group IIC (one certified stopping plug is fitted by manufacturer as standard). The terminals accept wires of 2.5 mm². The PCB assembly may be lifted in its slide channels to give easier access to the terminals. SOUND SIGNAL SELECTION It is preferable if the sound signal selection is set at the factory or at an approved workshop. To make the sound signal selection, refer to the table of sound signals and the switch positions for the chosen sounds (Page 8). Double check you have selected the correct switch positions for your chosen stage 1 alarm signal and for your chosen stage 2 alarm signal. Check again before re-assembly of the alarm. RE-ASSEMBLY OF THE ALARM Reconnect the pressure unit cable connection; make sure this is secure. Make sure the PCB assembly is correctly located in the slides in the body. Check that the flash tube is clearly visible and centrally located in the glass dome. Re-assemble the sounder flange to the main body but take care that the pressure unit wire is not trapped in the joint, across the edge of the PCB assembly or between the head of the earth screw and the pressure unit. Check that the 'O' ring is properly fitted in the groove in the body. Take care when fitting the flange. This must be inserted squarely into the main body. Force must not be used, with patience it will be found that the flange enters without difficulty. The screws must not be used to pull down the flange to the body. Each socket screw should be fitted with a lock washer, flat washer and an 'O' ring. The 'O' ring must locate in the groove at the base of the counter bore. Screw down the socket screws tightly. Note: If the alarm has been in service and/or the socket headed screws in the flange have been previously tightened, it is advisable to replace the o-rings (Part No. GR0192) before retightening the screws. Refit the Horn to the Trumpet using the three self-tapping screws. II. Sounder only The alarm may be stood on a clean surface on the flat base. The procedure should be followed as described for the Sounder/Strobe alarm above. 7 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS III. Strobe only The alarm should be stood upright in a cup-shaped base, which holds the strobe lens steady. Remove the fixing screws, washers and o-rings in the base plate. Connect the cable via the entries in the enclosure to the PCB assembly using the method described for the sounder/strobe alarm. Ensure that the 'O' ring is properly fitted in the groove of the body. Refit the base plate carefully, ensure the flange is squarely located in the enclosure and there is a minimum gap between flange and body. Ensure each socket screw is fitted with a lock washer, flat washer and 'O' ring. Screw down socket screws tightly. Lens Colour Change If it is required to change the lens colour of the strobe, it is necessary to purchase the required colour’s strobe flange assembly from your supplier. INSTALLATION Ensure that the mounting surface at the installed location is flat and suitable for carrying the weight of the alarm. Remove the bracket, fixing screws and washers from the bag in the carton. Assemble the bracket to the alarm body enclosure using two off hexagon head set screws(M6 X 16mm long), lock washers and flat washers. Check that the bracket is tightly secured to the alarm enclosure. The fixings for the alarm to the mounting surface are two holes (8.5mm (0.33in) on 75mm. (2.95in) centres. Suitable bolts (not supplied) for securing should be used. INTERCONNECTION OF ALARMS Alarms may be connected in parallel, that is, up to ten alarms with common supplies may be connected as a single system loop. Both sets of terminals should be used to provide an 'in' and 'out' connection. SYSTEM OPTIONS Operating supply voltage Sound signal selections Alarm stages Strobe Lens colours Cable cores 24Vdc, 48Vdc, 115Vac or 230Vac 32 (see table) Single or Two from all sounders Separate LIVE terminals for independent supply Note: NEUTRAL is common Live terminals labelled L1 and L2 should be linked together with a suitable wire link on the mains PCB Clear; opal; red; amber; blue; green; yellow The number fitted depends upon the system requirements EARTHING The alarm must be connected to a good quality earth. EARTHING points are provided both inside and outside the alarm enclosure. These EARTHING points are identified with the Ground Symbol. The internal earth connection must be used. The external terminal is for a supplementary bonding connection and is used where local code or authorities permit or require such connection. 8 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS MISCELLANEOUS DATA Combined Sounder Strobe {dc} 5.0 4.4 4.1 {ac} 5.6 4.7 4.4 All metal castings are of LM6 aluminium alloy, corrosion resistant, anodised and outside surfaces finished with a polyester paint coating. The strobe dome is of clear borosilicate glass. The sound-shaping components are of flame retardant ABS. The coloured lens is of flame retardant polycarbonate. All external fasteners are of stainless steel. All sounders have 32 sound signal selections. From the 32 sound signals, any signal may be chosen as the first stage alarm and any signal for the second stage alarm. Sound output level and current consumption depends upon the signal selected. Typical sound output level at 1 metre is 110dB(A) and typical current consumption is 350 mA for 24VDC, 110 mA for 115 VAC and 55 mA for 230 VAC depending upon sound signal selected. These values apply for Gas Group IIB; for Gas Group IIB+H2, sound output is reduced by typically 3dB. All strobes have a xenon flash rate of 1Hz, one flash per second. The flash energy is 5 joules with a typical current consumption of 220 mA for 24VDC, 135mA for 48VDC, 90 mA for 115 VAC and 45 mA for 230 VAC. Weight (kg). 5 JOULES 10 JOULES 20 JOULES 24VDC 220mA 500Ma 1.1A 48VDC 130mA 300mA 500mA 115VAC 90mA 105mA 260mA 230VAC 45mA 53mA 170mA WARNING: POSSIBLE ELECTROSTATIC RISK The Horn and Lens may become electro-statically charged and should not be touched or rubbed when in operational service. If cleaning is required follow the warning given on the equipment label and clean only with a suitable damp cloth. THREADED CABLE ENTRIES All threaded cable entries to be fitted with an ATEX certified component and the thread sealed with a suitable nonsetting thread sealant to maintain IP66 rating. SPECIAL CONDITIONS FOR SAFE USE (BASEEFA CERTIFIED) The equipment incorporates flameproof joints which have a maximum gap less than that stated in the standard EN50018:2000 to which it is certified. (Note: EN60079-1 replaces EN50018) The user must ensure that the diametric clearance associated with the spigot joint at each end cover does not exceed 0.064mm and the gap between the face of each end cover and the body does not exceeed 0.038mm. For replacement purposes the end cover fixing screws shall be of minimum grade A4-80 stainless steel. The cable entry device shall be suitably sealed to maintain IP66 rating. 9 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS SOUND SIGNALS sound Signal 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Freq. Alternate two-tone Alternate two-tone Alternate fast two-tone Alternate fast two-tone Alternate two-tone Alternate two-tone Alternate v.fast two-tone Alternate v.fast two-tone Alternate two-tone Continuous note Continuous note Continuous note Continuous note Continuous note Interrupted tone Interrupted tone Interrupted tone Interrupted tone Interrupted tone Interrupted tone Interrupted tone Interrupted tone Interrupted tone Interrupted tone Int,fast,rising volume Fast siren Rising constant,fall ISO 8201 Evacuation Fast whoop Slow whoop Reverse sweep Siren 800-1000 2500-3100 800-1000 2500-3100 440-554 430-470 800-1000 2500-3200 440-554 700 1000 1000 2300 440 1000 420 1000 2500 2500 700 1000 700 700 720 1400 250-1200 1000 800-1000 500-1000 500-1200 1200-500 500-1200 rept. rate sound switches 12345 SW1, SW2 special applications 0.5 11111 Fire Alarms 0.5 01111 Security Alarms 0.25 10111 Increased Urgency 0.25 00111 Security Deterrent 0.4/0.1 1 1 0 1 1 Evacuation Alarm, FRANCE 1.0 01011 0.13 10011 0.07 00011 2.0 11101 Turn-out, SWEDEN 01101 All Clear, SWEDEN 10101 00101 11001 01001 2.0 10001 1.25 00001 0.5 11110 0.25 01110 0.5 10110 6/12 00110 Pre-vital Message, SWEDEN 1.0 11010 4.0 01010 Air-raid Alarm, SWEDEN 0.25 10010 Local Warning, SWEDEN 0.7/0.3 0 0 0 1 0 Industrial Alarm, GERMANY 0.25 11100 0.085 01100 10/40/10 1 0 1 0 0 Industrial Alarm, GERMANY as std 00100 International Evacuation Alarm 0.15 11000 4.5 01000 Evacuation Alarm, Netherlands 1 10000 Evacuation Alarm, GERMANY 3.0 00000 switch settings: ON=1 and OFF=0 The PFEER sound signals recommended by UKOOA are:General Alarm Sound Signal 15 Interrupted tone 1000 Hz PAPA Sound Signal 31 Reverse Sweep 1200-500 Hz Toxic Gas Sound Signal 11 Continuous Tone 1000 Hz. 10 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS AC ALARM CONNECTION AND SOUND SIGNAL SELECTION 11 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS ALARM CONNECTION FOR TELEPHONE INITIATE Connection is as per the diagram above. The supply is on all the time with the Sounder and/or Flasher only working when a ring tone is detected on the telephone input. Note: The Sounder will follow the ring tone whilst the the Flasher will remain flashing only switching Off 4 seconds after the Telephone has been answered. Not suitable for UL applications. 12 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS AC ALARM CONNECTION FOR 10/20J BEACONS DC ALARM CONNECTION FOR 10/20J BEACONS 13 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS DC ALARM CONNECTION AND SOUND SIGNAL SELECTION Line monitoring by supply reversal Single Stage Alarm, Sounder and Strobe operate together Sounder +24v dc Strobe 0v Earth 3 2 TB1 1 x 4 LK1 (link 0v) 1 4 3 2 TB2 1 LK2 (link 24v dc) 3 Earth Connection 4 Pressure Unit Connector (On other side of PCB) TB3 2 resistor (E.O.L) Sound Selection (On other side of PCB) l 14 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS Strobe 0v +24vdc Line monitoring by supply reversal Single Stage Alarm, Sounder and Strobe operate separately Sounder 0v +24vdc Earth 3 2 TB1 1 x resistor (E.O.L) 4 LK1 removed (link 0v) 1 4 3 2 TB2 1 LK2 removed (link +24v dc) 3 Earth Connection 4 Pressure Unit Connector (On other side of PCB) TB3 2 resistor (E.O.L) Sound Selection (On other side of PCB) 15 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS A. Two stage alarm by third core Strobe shown with common 0v, with sounder Line monitoring by supply reversal Select alarm stage 1 on SW1 Select alarm stage 2 on SW2 Strobe +24v dc 0v Sounder & Strobe Sounder +24v dc Earth 2 TB1 1 x 3 y 4 LK1 (link 0v) LK2 removed (link 24v dc) 3 Earth Connection 4 Pressure Unit Connector (On other side of PCB) TB3 2 1 4 3 2 TB2 1 to next strobe Sound Selection (On other side of PCB) To Next Sounder NOTE: That the two stage control always operates as follows:The first stage sounds by supplying volts to a unit via control switch ‘x’, This switch remains on and the second stage signal is controlled by switching volts to the third terminal via switch ‘y’. 16 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS DC ALARM CONNECTION AND SOUND SIGNAL SELECTION B. Two stage alarm by Supply reversal Line monitoring by threshold method <1V) Select alarm stage 1 on SW1 Select alarm stage 2 on SW2 Strobe operated from separate supply. 17 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS DC ALARM CONNECTION AND SOUND SIGNAL SELECTION C. Two stage alarm by third core st nd Strobe flashes for both 1 and 2 stages of sound alarm. Line monitoring by supply reversal Select alarm stage 1 on SW1 Select alarm stage 2 on SW2 Common supply to Sounder and Strobe NOTE: That the two stage control always operates as follows:The first stage sounds by supplying volts to a unit via control switch ‘x’, This switch remains on and the second stage signal is controlled by switching volts to the third terminal via switch ‘y’. 18 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS DC ALARM CONNECTION AND SOUND SIGNAL SELECTION D. Two stage alarm by Third core nd Strobe flashes for 2 stage of sound alarm, link TB2/3 to TB1/2 Line monitoring by supply reversal Select alarm stage 1 on SW1 Select alarm stage 2 on SW2 Common supply to Sounder and Strobe. 19 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS DC ALARM CONNECTION AND SOUND SIGNAL SELECTION E. Single stage alarm Line monitoring by supply reversal Select alarm stage 1 on SW1 Strobe shown with common 0v, with Sounder NOTE: That the two stage control always operates as follows:The first stage sounds by supplying volts to a unit via control switch ‘x’, This switch remains on and the second stage signal is controlled by switching volts to the third terminal via switch ‘y’. 20 ID: 205571/D72922/R. STAHL/2011-06-07/en-15 OPERATING AND INSTALLATION INSTRUCTIONS FOR ATEX AND IECEX YODALEX FLAMEPROOF AUDIBLE AND VISUAL ALARMS 21 ID: 205571/D72922/R. STAHL/2011-06-07/en-15