EMC Directive 2004/108/EC BLUEZONE AREA DETECTION AREA BLUEZONE. (1st row) 2nd row. 5th row. 6th row. Detection area NOTE INSTALLATION.

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1 UG N Original instructions OFLE R T MNUFTURER'S STTEMENT MNUFTURER'S STTEMENT Read this operation manual carefully before use to ensure proper operation of this product. Failure to read this operation manual may cause improper operation and may result in serious injury or death of a person.the meanings of the symbols are as follows. isregard of warning may cause the improper operation causing death or serious injury of a person. isregard of caution may cause the improper operation causing injury of a person or damage to UT objects. Special attention is required to the section of this symbol. t is required to check the operation manual if this symbol is shown on the product.. This product is a noncontact switch intended for header mount or wall mount for use on an automatic sliding door. o not use for any other applications.. When setting the sensor's, make sure that there is no traffic around the installation site.. efore turning the power, check the wiring to prevent damage or malfunction of equipment connected to the product.. Only use the product as specified in the operation manual provided.. e sure to install and adjust the sensor in accordance with the local laws and standards of the country in which the product is installed.. efore leaving the installation site make sure that the product is operating properly and instruct the building owner/operator on proper operation of the door and the product..the product settings can only be changed by an installer or service engineer. When changed, the changed settings and the date shall be registered in the maintenance logbook accompanying the door. o not wash, disassemble, rebuild or repair the sensor, otherwise it may cause electric shock or breakdown of the equipment. The following conditions are not suitable for sensor installation : Fog or exhaust emission around the door. Wet floor. Moving objects or objects that emit light near the detection field. Grating floor. ighly reflecting floor or highly reflecting objects around the door. WORKNG PRNPLE This sensor is designed to detect a hand approaching to a touchless plate as a knowing act activation device. Please make sure to understand the following working principle. f mode is enabled ( is set to ""), this sensor an activation when both and nd to th row of detect some objects. means an area for the hand detection. LUEZE LUEZE OUTER MENSS N PRT NMES ( /").(/") Model over color Mounting height etection method angle adjustment Power supply (*) Power consumption Safety intput Safety is designed to be used on door system that enables only while the door is open. LUEZE is only activated while is emitted. When no detection, LUEZE is deactivated. When is enabled ( is set to ""), (of nd to th row) is safety area. SPEFTS rea angle adjustment table Status Setup Standby (nstallation mode) Standby ( mode) LUEZE (st row) detection (*) detection detection thth row detection detection & ndth row detection Signal saturation Signal saturation () Sensor failure Setting error ( /") ( /") ( /") ( /") ( /") () () : OFLE R T : Silver / lack :.m('") to.m('") : See ETET RE : ctive infrared reflection(*) : epth : to + Width : ± ( clicks with. every click/) : epth : to + Width : ± ( clicks with every click/) : to V ±% ( / z) to V ±% : <.W (< V at ) : See table : Opto coupler Voltage / to V urrent / m Max. (V) : Form relay V. Max. (Resistance load) color Red Red Orange Fast Fast Red & () () () () () () () () () [mm (inch)] Safety : Opto coupler (NPN) Voltage / to V urrent / m Max. (Resistance load) ark current / n Max. Operating temperature: to + ( to F) Operating humidity : < % Noise level : < d Output hold time : pprox.. sec. Response time : <. sec. P rate : P ategory : (EN SO : /:) Performance level : d (EN SO : /:) ESPE : Type Weight : g (.oz) ccessories : manual Mounting screws Mounting template rea adjustment tool able m('") (.mm² WG) (*) sec. ENGLS sec. The specifications herein are subject to change without prior notice due to improvements. * : LUEZE (st row), nd and s have a presence detection function. * : When using this sensor, the sensor has to be connected to a door system which has the SELV circuit. * : Overcurrent protection with less than. * : See LUEZE RE Touchless plate ø (ø /") () onnector () Mounting holes () () Function switch () Width angle adjustment screw () epth angle adjustment screw () es () rea angle adjustment screws () rea width adjustment screws () etection window () rea adjustment tool OMPLE STNRS N ETRT FROM E ELRT OF FORMTY EN : hapter.. and nnex EN : +: Machinery irective //E EM irective //E EN SO :/: EN SO : EN : clause.. and... EN : EN : +: N : hapter.. ESPE Notified ody : TÜV NOR ERT Gmb, Langemarckstr.,, Essen, Germany Etype examination certificate No. For technical document,see European Subsidiary LUEZE RE When dipswitch is set to "", the LUEZE area, that provides extra safety over the threshold, is activated. n case the LUEZE function is not required, set dipswitch to "". o not set the overlapping the threshold regardless of the setting of dipswitch. ETET RE NSTLLT eader Sensor Y oor Floor. ffix the mounting template at the desired mounting position. (When setting the close to the door, mount the sensor according to the chart below.). rill two mounting holes of ø.mm (ø/").. To pass the cable through the header, drill a wiring hole of ømm (ø/").. Remove the mounting template.. Remove the housing cover. Fix the sensor to the mounting surface with the two mounting screws. UT Risk of getting caught. To the connector of the sensor : eight from the floor to the bottom of the header (The mounting height is " + Y".) Y : istance between the bottom of the header and the sensor : istance between the door and the mounting surface Maximum mounting distance (Y). ('"). ('"). ('") No limit. ("). ("). ("). ("). ("). ("). ("). ("). ("). ("). ("). ("). ("). ("). ("). ("). ("). (") LUEZE (st row) Place the housing cover. f wiring is to be exposed, break the knockout. LUEZE (st row) Make sure not to mount the sensor lower than the bottom of header. Make sure to affix the mounting template as described in the above chart, otherwise it can be dangerous since there may be no around the threshold. nstall the sensor as low as possible on the header..plug the connector..supply power to the sensor. djust the and set the dipswitches. (See USTMENTS. settings) LUEZE (st row) E E F F G G th row th row th row (can be eliminated) : etection rea To comply with EN, make sure that the is within the values of the chart below.. ('"). ('"). ('") Test conditions required by EN. ("). ("). ("). ('"). ('"). ('"). ('"). ('"). (').White.rown...Pink (+). ().Red (+).lack () Emitting area Power supply } to V±% / to V±% Form relay V. Max. Safety Opto coupler(npn) / Voltage: to V Safety input Opto coupler / Voltage: to V efore starting the procedure, make sure that the power is turned. When passing the cable through the hole, do not tear the shield. otherwise it may cause electric shock or breakdown of the sensor.. Maekawa General Manager OPTE O., LT. Quality ontrol ept. The values above are those of the when tested referring to the test conditions of EN. (The emitting area is as shown in Emitting area above.) The actual may become smaller depending on the ambient light, the color / material of the object or the floor as well as the entry speed of the object. The sensor may not be activated when the entering speed of the object or a person is slower than mm / sec. or faster than mm / sec. [ m (feet,inch) ]. ('"). ('").('"). ("). (").("). ('"). ('").('"). ('"). ('").('"). ('"). ('").('"). ('"). ('").('"). ('"). ('").('"). ('). ('").('"). ('"). ('").('"). ('"). ('").('") harts show the values in the following area angle adjustment settings ; epth : Width : Floor :Grey paper etection object : EN reference body : igh Speed of detection object : mm / sec. [m (feet,inch)] Make sure to connect the cable correctly to the door controller before turning the power. When turning the power or after adjusting the settings, do not enter the for more than seconds in order to enable the presence detection. o not touch the dipswitches before turning the power, otherwise an error occurs. When changing the settings of dipswitch, see USTMENTS. settings Knockout o not use the sensor without the cover. When using the cable knockout, install the sensor indoors or use the raincover (Separately available) otherwise electric shock or breakdown of the sensor may occur.

2 USTMENTS rea angle adjustment.rea depth angle adjustment When adjusting the close to the door, see dipswitch in settings table and REFERENE for the easier adjustment. Shallow eep eep Shallow EKNG heck the operation according to the chart below. mage Power off th to th row and nd to th row +.rea width angle adjustment The angle of the can both be moved either left or right in steps..('").('"). ('"). ('"). ('") Make sure that the does not overlap with the door / header, and there is no highly reflecting object near the otherwise ghosting / signal saturation may occur..('").('"). ('"). ('"). ('") (*) Safety igh None LUEZE (*) Orange Red Red only angle adjustment Make sure to adjust the angle depending on the door type and the intended touchless plate position otherwise the sensor may not detect when a hand is approached.. width angle adjustment. depth angle adjustment rea width adjustment djust the width with the adjustment screws. + settings eliminated ouble slide door eliminated Single slide door fter adjusting the angle, make sure that the is placed on the proper position for your use. ffix the touchless plate on the appropriate position after adjusting the. UT Make sure to affix the touchless plate where a hand Risk of getting caught. is not caught by the door during door opening and closing. fter changing the dipswitch settings, make sure to push the function switch for seconds. settings table Function Setting When setting the width, make sure to turn the adjustment screws until it clicks. cannot be eliminated separately, neither can Presence timer Frequency Row adjustment mmunity Self Monitoring Safety Safety input mode.. Shallow sec. rows Enable igh igh eep igh sec. rows isable igh : sec. rows.('").('") sec. rows.. ('") ('"). ('"). ('").('").('").('"). ('") push seconds omment Set the sensitivity according to the mounting height. The presence timer is applied to LUEZE(st row), and. The presence timer can be selected from settings. When using more than one sensor close to each other, set the frequency different for each sensor. Set the depth rows with dipswitches and. Set dipswitch to "" when the sensor operates by itself (Ghosting). is for the to door controller. When the door remains open and the operation shows Fast/, refer to TROULESOOTNG. f the door still remains open, set dipswitch to "isable".to comply with EN, set dipswitch to "Enable". is for the Safety (to door controller). is for the Safety input (from door controller). djust sensitivity for... ('") ('") Front view.('").... ('") ('") ('") ('"). ("). ('") Select the mode "" or "". : is emitted when a detection occurs in and the nd to th row. : is emitted when a detection occurs in the nd to th row.. (") (*) Safety mage Fast * : shows the status of when mode is enabled. ( is set to "".) * : When dipswitch is set to "". NFORM ULNG OWNER / OPERTOR OF TE FOLLOWNG TEMS. lways keep the detection window clean. f dirty, wipe the window with a damp cloth.(o not use any cleaner / solvent.). o not wash the sensor with water.. o not disassemble, rebuild or repair the sensor yourself, otherwise electric shock may occur.. When the operation blinks, contact your installer or service engineer.. lways contact your installer or service engineer when changing the settings.. o not paint the detection window.. When turning the power, always walktest the to ensure the proper operation.. o not place any objects that move or emit light in the. (e.g. Plant, illumination, etc.) REFERENE igh TROULESOOTNG oor operation oor does not open when a person enters the and. oor opens when a person enters the. oor opens when no one is in the. (Ghosting) oor remains open operation Unstable Possible cause Objects that move or emit light in the. The overlaps with that of another sensor. Waterdrops on the detection window. Use the raincover (Separately available). nstall in a place keeping the waterdrops off. The overlaps with the door/header. djust the to "eep"(outside). of is too high. Set the sensitivity lower. of is too high. Set the sensitivity lower. Others Set dipswitch to "".(*) Wrong setting of dipswitches. heck USTMENT dipswitch,,.(*) Sudden change in the. heck USTMENT dipswitch to.(*) f the problem still persists, hardreset the sensor.(turn the power and again.) heck the wires and connector. nstallation mode is set to "". Set dipswitch to "".(*) of is too low. Set the sensitivity higher. of is too low. Set the sensitivity higher. Sensor failure. ontact your installer or service engineer. Signal saturation. (nd and/or ). er the sensitivity.(*) hange the area depth angle. rea depth adjustment with NFRRE FNER (Separately available).turn the depth angle adjustment screw to the right (eep) to place the most away from the door.. Set NFRRE FNER sensitivity to "" (igh) and place it on the floor as shown below. Possible countermeasures None Wrong power supply voltage. Set to the stated voltage. heck the wires and connector. Unstable Wrong (nd to th row) and heck USTMENT,,.(*) positioning. of (nd to th row) is Set the sensitivity higher. too low. of is too low. Set the sensitivity higher. Short presence timer. Set the presence timer longer. function is not working. ( is up side position) Fast Red & Signal saturation. (th, th, th row and/or LUEZE) heck the wires and connector. heck USTMENT dipswitch.(*) Remove the objects. heck USTMENT dipswitch,.(*) The overlaps with the door/header. djust the to "eep" (Outside). Setting error. fter changing the dipswitch settings, make sure to push the function switch for seconds.. er the sensitivity.(*) hange the area depth angle. Signal saturation. (). er the sensitivity. hange the area depth angle for. overlaps with the header. djust to "eep" (Outside). * : fter changing the dipswitch settings, make sure to push the function switch for seconds. LUEZE (st row) nstallation mode When dipswitch is set to "", the LUEZE (st row) is active and looks through the threshold. Set dipswitch to "" to adjust the nd row. uring the installation mode only the remains active and the operation shows yellow. fter setting the row switch dipswitch "". NFRRE FNER. Turn the depth angle adjustment screw to the left (Shallow) until the emitting area is placed at the position where NFRRE FNER is in the low detection status ( Red ). Manufacturer OPTE o.,lt. Ogoto Otsu, apan TEL.: +() F.: +() WESTE: European Subsidiary OPTE Technologies.V. enricuskade, N The ague, The Netherlands TEL.: +() F.: +() EML: info@optex.eu WESTE:

3 LUEZE MY MNUFTURER'S STTEMENT MNUFTURER'S STTEMENT Read this operation manual carefully before use to ensure proper operation of this product. Failure to read this operation manual may cause improper operation and may result in serious injury or death of a person.the meanings of the symbols are as follows. UT isregard of warning may cause the improper operation causing death or serious injury of a person. isregard of caution may cause the improper operation causing injury of a person or damage to objects. Special attention is required to the section of this symbol.. This product is a noncontact switch intended for header mount or wall mount for use on an automatic sliding door. o not use for any other applications.. When setting the sensor's, make sure that there is no traffic around the installation site.. efore turning the power, check the wiring to prevent damage or malfunction of equipment connected to the product.. Only use the product as specified in the operation manual provided.. e sure to install and adjust the sensor in accordance with the local laws and standards of the country in which the product is installed.. efore leaving the installation site make sure that the product is operating properly and instruct the building owner/operator on proper operation of the door and the product..the product settings can only be changed by an installer or service engineer. When changed, the changed settings and the date shall be registered in the maintenance logbook accompanying the door. RSLE o not wash, disassemble, rebuild or repair the sensor, otherwise it may cause electric shock or breakdown of the equipment. The following conditions are not suitable for sensor installation. Fog or exhaust emission around the door. Wet floor. Vibrating header or mounting surface. Moving objects or objects that emit light near the. ighly reflecting floor or highly reflecting objects around the door. WORKNG PRNPLE This sensor is designed to detect a hand approaching to a touchless plate as a knowing act activation device. Please make sure to understand the following working principle. This sensor sends primary activation when both " and nd to th row" detect some object. fter the detection until the door fully closes, nd to th rows work as a. "" means a for the hand. area is from the to the th row. OUTER MENSS N PRT NMES / () / (.) SPEFTS Model over color Mounting height etection method angle adjustment area angle adjustment Power supply Power consumption Primary, table Status Setup Standby (nstallation mode) Standby ( mode) LUEZE (st row) detection (*) detection detection thth row detection detection (*) & ndth row detection Signal saturation( area) Signal saturation () Sensor failure [inch (mm)] / () / () / () / () / () () () () () () () () () () () () : RSLE : lack : '"(.m) to '"(.m) : See ETET RE : ctive infrared reflection(*) : epth : to + Width : ± ( clicks with every one clickreft/light ) : epth : to + Width : ± ( clicks with. every one clickreft/light ) : to V ±% (/z) to V ±% : <.W (< V at ) : See table : Form relay V. Max. (Resistance load) color Red Red Orange Fast Fast Touchless plate () LUEZE (st row) th row th row th row Output hold time : pprox.. sec. Response time : <. sec. Operating temperature : to F ( to + ) Operating humidity : <% P rate : P Weight :.oz (g) ccessories : manual Mounting screws Mounting template rea adjustment tool Power & Primary cable '" (.m) cable '" (.m) sec. The specifications herein are subject to change without prior notice due to improvements. * : LUEZE (st row), nd and s have a presence detection function. * : See LUEZE * : See MOE sec. () Power & Primary onnector () onnector () Mounting holes () () Width angle adjustment screw () epth angle adjustment screw () es () area angle adjustment screw () area width adjustment screws () etection window () rea adjustment tool () When dipswitch is set to, the LUEZE area, that provides extra safety over the threshold, is activated. n case the LUEZE function is not required, set dipswitch to. o not set the overlapping the threshold regardless of the setting of dipswitch. MOE NSTLLT eader Sensor Y oor Floor. ffix the mounting template at the desired mounting position. (When setting the close to the door, mount the sensor according to the chart below.). rill two mounting holes of ø/" (ø.mm).. To pass the cable through the header, drill a wiring hole of ø/" (ømm).. Remove the mounting template.. Remove the housing cover. Fix the sensor to the mounting surface with the two mounting screws. UT Risk of getting caught. Grey nhibit switch when door is closed : eight from the floor to the bottom of the header (The mounting height is " + Y".) Y : istance between the bottom of the header and the sensor : istance between the door and the mounting surface Maximum mounting distance (Y) '" (.) '" (.) '" (.) '" (.) No limit " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) " (.) Place the housing cover. f wiring is to be exposed, break the knockout. Make sure not to mount the sensor lower than the bottom of header. Make sure to affix the mounting template as described in the above chart, otherwise it can be dangerous since there may be no around the threshold. nstall the sensor as low as possible on the header. [feet,inch (m)] '" (.) Wire the Power & Primary cable and cable to the door controller properly as shown in the drawing below. The requires an input at the door control that is inhibited(ignored) when the door controller has a safety beam input.f not then install a position / inhibit switch in series with the blue wire (see drawing below). oor controller without safety beam input Power Primary oor controller ctivate input Power supply RSLE nhibit switch status LUEZE (st row) Power & Primary cable cable Grey LUEZE (st row) can adjust the function or. mode.( ) uring and area are both working, area Primary is emited. When only one function is working, Primary is not emited. mode.( ) You can use RSLE as normal utodoor activation sensor. You do not need to adjust function. ETET RE LUEZE (st row) th row th row th row.plug the connector..supply power to the sensor. djust the and set the dipswitches. (See USTMENTS. settings) E F G (can be eliminated) The actual area may become smaller depending on the ambient light, the color / material of the object or the floor as well as the entry speed of the object. The sensor may not be activated when the entering speed of the object or a person is slower than mm / sec. or faster than mm / sec. oor controller with safety beam input Make sure to connect the cable correctly to the door controller before turning the power. When turning the power or after adjusting the settings, do not enter the for more than seconds in order to enable the presence detection. E F G Knockout [ feet,inch (m) ] (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) harts show the values in the following area angle adjustment settings ; epth : Width : Power Primary RSLE o not use the sensor without the cover. When using the cable knockout, install the sensor indoors or use the raincover (Separately available) otherwise electric shock or breakdown of the sensor may occur.

4 USTMENTS area angle adjustment. area depth angle adjustment When adjusting the close to the door, see ipswtich settings table dipswitch for the easier adjustment.. area width angle adjustment The width of the activation area can both be moved at the same time either left or right in step. angle adjustment. width adjustment + (.) (.) (.) (.) (.) (.) ouble slide door [feet,inch(mm)] (.) (.) eliminated (.) (.) eep Shallow (.) (.) (.) (.) (.) (.) (.) (.) (.) (.) eliminated (.) (.) (.) (.) (.) Make sure to select the angle depending on the door type and the intended touchless plate position otherwise the sensor does not send an when a hand is waved.. epth adjustment area width elimination Single slide door.ffix the touchless plate on the appropriate position after adjusting the. [feet,inch(mm)] fter adjust the angle, please check the is on the best position for your use. Please check the door will be open, when you are detected in the area between nd to th row. color will be purple, when all the adjustment are OK. UT Risk of getting caught. settings settings table Function area Presence timer Frequency Rain mode Snow mode Row adjustment LUEZE (st row) mode nstallation mode Make sure to affix the touchless plate where a head is not caught by the door during door closing. to sec. Setting Normal Normal rows eep Make sure that the area does not overlap with the door / header, and there is no highly reflecting object near the otherwise ghosting / signal saturation may occur. REFERENE rea depth adjustment with NFRRE FNER (Separately available).turn the depth angle adjustment screw to the right (eep) to place the area most away from the door.. Set NFRRE FNER sensitivity to "" (igh) and place it on the floor as shown below. area NFRRE FNER area. Turn the depth angle adjustment screw to the left (Shallow) until the emitting area is placed at the position where NFRRE FNER is in the low detection status ( Red ). To adjust the area width, use the adjustment screws. Middle to sec. Setting Rain Snow rows Middle Setting Shallow When setting the area width, make sure to turn the adjustment screws until it clicks. cannot be eliminated separately, neither can Shallow eep igh to sec. Setting rows igh () : omment Sigh Set the sensitivity according to the mounting height. Values below dipswitch are reference only. to sec. Setting rows Sigh to () to ll rows have the presence detection function. The presence timer can be selected from settings. When using more than one sensor close to each other, set the frequency different for each sensor. Set this switch to Rain if the sensor is used in a region with a lot of rain. Set this switch to Snow if the sensor is used in a region with snow or a lot of insects. Set the depth rows with dipswitches and. When dipswitch is set to, the LUEZE (st row) is active and looks through the threshold. Select ""/"" for. Front view () () djust sensitivity for detection. Select the mode or. See MOE. Set dipswitch to to adjust the nd row. uring the installation mode only the remains active and the operation shows yellow. fter setting the row switch dipswitch. EKNG heck the operation according to the chart below. mage Primary Primary mage Power off LUEZE th to th row None only No is made when sensor detects an object in the LUEZE(st row). NFORM ULNG OWNER / OPERTOR OF TE FOLLOWNG TEMS and nd to th row Orange Red Red. lways keep the detection window clean. f dirty, wipe the window with a damp cloth.(o not use any cleaner / solvent.). o not wash the sensor with water.. o not disassemble, rebuild or repair the sensor yourself, otherwise electric shock may occur.. When the operation blinks, contact your installer or service engineer.. lways contact your installer or service engineer when changing the settings.. o not paint the detection window.. When turning the power, always walktest the to ensure the proper operation.. o not place any objects that move or emit light in the. (e.g. Plant, illumination, etc.) TROULESOOTNG oor operation oor does not open when a person enters the area. oor remains open operation oor opens when no one is in the area. (Ghosting) Unstable Possible cause Possible countermeasures None Wrong power supply voltage. Set to the stated voltage. heck the wires and connector. Unstable Wrong area heck USTMENT. positioning. of area Set the area sensitivity higher. is too low. of is too low. Set the sensitivity higher. Short presence timer. Set the presence timer longer. heck the wires and connector. heck MOE. Fast ccess setting website from here. Manufacturer OPTE o.,lt. Ogoto Otsu, apan TEL.: +() F.: +() WESTE: function is working. ( is down side position) Objects that move or emit light in the area. The area overlaps with that of another sensor. Waterdrops on the detection window. The area overlaps with the door/header. of area is too high. of is too high. Wrong setting of dipswitches. Sudden change in the area. nstallation mode is set to "". of area is too low. of is too low. Sensor failure. Signal saturation. ( area) area overlaps with the door/header. Signal saturation. () overlaps with the header. Remove the objects. North and South merica Subsidiary OPTE NORPORTE S. Wilmington venue, Suite Rancho ominguez U.S. TEL.: + F.: +() WESTE: heck USTMENT. Or change Frequency setting. Use the raincover (Separately available). Or wipe the detection window with a damp cloth. Or install in a place keeping the waterdrops off. djust the area to "eep" (Outside). Set the area sensitivity lower. Set the sensitivity lower. heck USTMENT. heck USTMENT. f the problem still persists, hardreset the sensor. (Turn the power and again.) heck the wires and connector. Set dipswitch to "". Set the area sensitivity higher. Set the sensitivity higher. ontact your installer or service engineer. area. Or lower the area sensitivity. Or change the area depth angle for. djust the area to "eep" (Outside).. Or lower the sensitivity. Or change the area depth angle for. djust to "eep" (Outside). East coast office Mclpines Park rive, Suite harlotte, N U.S.. TEL.: + F.: +() WESTE:

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