DPWQ 306000 DPDQ 306000
Contents
1. Modifications of these records are not permitted Incase of a complaint only complete devices returned in original packing will be accepted SUPPLY VOLTAGE Connection scheme Individual operation For operating voltage reverse polarity protection a one way rectifier or dee z reverse polarity protection diode is integrated in this device variant This internal one way rectifier also allows operating O 10V devices on AC V supply voltage The output signal is to be tapped by a measuring instrument Output vol tage is measured here against zero potential OV of the input voltage J When this device is operated on DC supply voltage the operating voltage Kinet input UB is to be used for 15 36V DC supply and UB or GND for Power supply I is ground wire AC 24V OV al T 4V DC 15 36V GND s O S When several devices are supplied by one 24V AC voltage supply it is to 7 be ensured that all positive operating voltage input terminals of the Connectionschama Parallel operation field devices are connected with each other and all negative operating p voltage input terminals reference potential are connected toge m ther in phase connection of field devices All outputs of field devices must be referenced to the same pote2. Setting the output to 1 V at actual ambient conditions follows automatically thereafter During this phase the LED is permanently activated After calibration is completed the LED is deactivated Putting in operation Upon energizing the device a self test and tempering takes place Depending on ambient conditions this process takes 3 to 5 minutes During that time the output analog voltage deviates from the actual measured value ENGLISH CAREL Our General Terms and Conditions for Business together with the General Conditions for the Supply of Products and Services of the Elec trical and Electronics Industry including supplementary clause Extended Retention of Title apply as the exclusive terms and conditions In addition the following points are to be observed These instructions must be read before installation and putting in operation and all notes provided therein are to be regarded Devices must only be connected to safety extra low voltage and under dead voltage condition To avoid damages and errors at the device e g by voltage induction shielded cables are to be used laying parallel with current carry ing lines is to be avoided and EMC directives are to be observed his device shall only be used for its intended purpose Respective safety regulations issued by the VDE the states their control authorities the TUV and the local energy supply company must be observed The purchaser has to adhere to the bui
3. centration of the pollutant gas burden The sensitive layer of the sensor element reacts with all volatile organic compounds and is thereby modified in its electrical properties or exhausted This process results in a displacement of the characteristic curve Such characteristic curve displacement however amounts to less than 15 year under normal burden In measuring air quality the general condition of air quality is detected Whether air quality is good or bad is differently interpreted by each person Different pollution burdens and concentrations influence the air quality signal 0 10 Volt in different ways Examples for this are cigarette smoke deodorant sprays cleaning agents or also various adhesive materials for floor and wall coverings as well as dyestuffs Increased burdens e g by solvents nicotine hydrocarbons aerosol propellants etc intensify consumption aging of the sensor element Particularly under high pollutant gas burdens also during non operational idle state periods of the devices transport and storage zero point drift will occur Consequently this must be corrected at site according to the respective circumstances or basic burdens Air quality measuring instruments of different manufacturers cannot directly be compared because of different functional principles preset basic burdens zero point and permitted burdens amplification sensitivity Devices are preset respectively calibrated according to th
4. 0m as ae 0 20mA 5 a GND terminals 1 and 3 are connected on the circuit board Connecting diagram DPWQ306000 1 UB GND 2 UB supply voltage 24V AC DC 3 GND O 4 Output air quality 0 10V 4 20mA Type WG1 Range Output Features Air quality DPWG 306000 0 100 0 10V 4 20mA Note This air quality sensor must not be used as safety relevant device DPDQ 306000 including mounting flange Duct air quality sensor controller VOC self calibrating with active output APPLICATION The self calibrating microprocessor controlled duct air quality sensor is used to determine the air quality on basis of a mixed gas sensor VOC sensor VOC volatile organic compounds It is used To measure the air quality in offices hotels meeting rooms and convention centres apart ments stores and restaurants etc For quantitative evaluation of room air pollution with contaminating gases cigarette smoke body perspiration exhaled breathing air solvent vapours emissions from building members and cleaning agents For adjustable sensitivity regarding the maximum air contamination to be expected For room ventilation on an as needed basis conserving energy by air changes only taking place when air is polluted Room air quality is understood as subjective air quality felt by human beings with their olfactory organs As perception varies from person to person and therefore air quality is assessed diffe rently a general definit
5. Operating instructions mounting amp installation DPWQ 306000 Room air quality sensor controller VOC self calibrating DPDG 306000 Duct air quality sensor controller VOC self calibrating CAREL SPA VIA DELL INDUSTRIA 35020 BRUGINE ITALY FON 390499 71 66 11 FAX 390499 71 66 OO www carel com CAREL DPWQ 306000 Room air quality sensor controller VOC self calibrating with active output APPLICATION The self calibrating microprocessor controlled duct air quality sensor is used to determine the air quality on basis of a mixed gas sensor VOC sensor VOC volatile organic compounds It is used To measure the air quality in offices hotels meeting rooms and convention centres apartments stores and restaurants etc For quantitative evaluation of room air pollution with contaminating gases cigarette smoke body perspiration exhaled breathing air solvent vapours emissions from building members and cleaning agents For adjustable sensitivity regarding the maximum air contamination to be expected For room ventilation on an as needed basis conserving energy by air changes only taking place when air is polluted Room air quality is understood as subjective air quality felt by human beings with their olfactory organs As perception varies from person to person and therefore air quality is assessed diffe rently a general definition of criteria for room air quality is not possible Due to l
6. e sensor manufacturer s specifications Here a zero point and a final value is determined and thus a maximum burden In particular cases exceeding measuring ranges or excessive basic burdens on the devices will occur outgassing floor carpeting wall paint etc In order to enable distinguishing different air qualities devices need to be adjusted by the customer according to the conditions existing on site that do not correlate to the factory preset definition range and calibration Please note that factory calibration is thereby lost and compliance with technical data can no longer be guaranteed Automatic calibration of air quality default The minimum initial value for air quality is memorized within a period of ca 4 weeks After that period has lapsed the output signal is standardised to zero point 1 0 V The maximum amount of correction is thereby limited to 1 V interval In this way long term drifts and operational aging effects of the sensor element are completely eliminated Manual calibration of air quality Manual calibration can be started independently from the position of jumper J3 by pushing the button After connecting the device a period of at least 2 hours of continuous operation of the device at normal air quality is to be ensured Manual calibration of the output signal to 1 V zero point is started be pressing the button Manual calibration for ca 5 seconds Preparing for calibration is indicated by a blinking LED
7. ed air or 4 20 mA selectable via jumper Measuring accuracy Ambient temperature 20 of final value referred to calibrating gas 0 50 C not selective Detection of gases Electrical connectio 0 14 1 5mm via terminals on circuit board Long term stability Warm up period lt 10 per year 1 hour Response time lt 60s Enclosure uw plastic material polyamide 30 glass globe reinforced with quick locking screws colour pure white similar RAL9010 72x64x39 4mm Process connection by mounting flange plastic included in the scope of delivery galvanised steel optional Ill according to EN 60730 IP 65 according to IEC 529 Standards eee CE Conformity electromagnetic compatibility according to EN 61 326 A1 A2 EMC directive 89 336 EWG low voltage directive 73 23 EWG DIMENSIONS aisiaren Protection class Protection type ENGLISH DPDG 306000 ENGLISH CAREL Dimensional drawing DPD 306000 im gt M te 24h 190 O16 Circuit diagram DPD 306000 Connecting diagram DPDQ 306000 1 uB GNo j l 2 UB supply voltage 24V AC DC 3 GND W4 Output air qua
8. gas 0 50 C Detection of gases NOt selective Electrical connection 0 14 1 5mm via terminals on circuit board Long term stability lt 10 per year Warm up period 0 1 hour Response time lt 60s plastic material ABS colour pure white similar RAL9010 stainless steel enclosure optional Dimensions 0000 79X81x26mm Enclosure nstallation 0N wall or on in wall flush box 55mm base with 4 holes for mounting on vertically or horizontally installed flush boxes with predetermined breaking point for on wall cable entry ll according to EN 60730 Bis IP 30 according to IEC 529 Standards occas CE conformity electromagnetic compatibility according to EN 61 326 A1 A2 EMC directive 89 336 EWG low voltage directive 73 23 EWG ENGLISH DPWG 306000 ENGLISH CAREL Dimensional drawing DPW 306000 26 oii fii C gt _ g I i I ta ta 60 Circuit diagram DPW Q 306000 a E2 4 soma plugged i aite l f r L Selecting output B i A natu i UW LED calibration fe 1 DHYN Voltagel V f 4 3 2 1 default gt E Current mA a mT a mM 20m4 mw a 2 0 2
9. inearising and high operating temperatures the air quality sensor achieves marginal drift and good stability The sensor is automatically self calibrating The air quality sensor does not trace concentrations of individual gases but assesses the mixed gas as such i e gas concentrations are not measured selectively Therefore it is not possible to specify gas concentrations by the unit ppm Detectable gases mixed gas vapours of alcanoles cigarette smoke automobile exhaust gases exhaled breathing air combustion smoke from wood paper plastics In addition compounds of kanes alkenes aromats terpenes halogenated hydrocarbons esters aldehydes and ketones s well as native VOCs such as terpenes and isoprene rank among volatile organic compounds VOC VOCs also evaporate from chemicals products used in construction such as coating com pounds adhesives or sealing compounds furnishings cleaning and care products office chemi cals and floor carpeting T al a he sensor s lifetime depends on the type of burden and gas concentration TECHNICAL DATA Power supply 0424 V AC DC current consumption ca 70 mA at 24V DONGAN anini VOC sensor metal oxide Measuring range Output signal 0 100 air quality referred to calibrating gas 0 10 V O V clean air 10 V polluted air or 4 20mA selectable via jumper Measuring accuracy Ambient temperatu 20 of final value referred to calibrating
10. ion of criteria for room air quality is not possible Due to linearising and high operating temperatures the air quality sensor achieves marginal drift and good stability The sensor is automatically self calibrating The air quality sensor does not trace concentrations of individual gases but assesses the mixed gas as such i e gas concentrations are not measured selectively Therefore it is not possible to specify gas concentrations by the unit ppm Detectable gases mixed gas vapours of alcanoles cigarette smoke automobile exhaust gases exhaled breathing air combustion smoke from wood paper plastics In addition compounds of alkanes alkenes aromats terpenes halogenated hydrocarbons esters aldehydes and ketones as well as native VOCs such as terpenes and isoprene rank among volatile organic compounds VOC VOCs also evaporate from chemicals products used in construction such as coating com pounds adhesives or sealing compounds furnishings cleaning and care products office chemi cals and floor carpeting The sensor s lifetime depends on the type of burden and gas concentration TECHNICAL DATA Power Supply cscseeee 24 V AC DC current consumption ca 70 mA at 24V Sensor VOC sensor metal oxide sinter filter exchangeable screwed easy to clean Sensor protection Measuring range 0 100 air quality referred to calibrating gas Output signal we 0 10 V OV clean air 10V pollut
11. lding and safety regulations and has to prevent perils of any kind No warranties or liabilities will be assumed for defects and damages arising from improper use of this device Consequential damages caused by a fault in this device are excluded from warranty or liability 4 These devices must be installed by authorised specialists only The technical data and connecting conditions of the mounting and operating instructions delivered together with the device are exclusively valid Deviations from the catalogue representation are not explicitly mentioned and are possible in terms of technical progress and continuous improvement of our products n case of any modifications made by the user all warranty claims are forfeited This device must not be installed close to heat sources e g radiators or be exposed to their heat flow Direct sun irradiation or heat irradiation by similar sources powerful lamps halogen spotlights must absolutely be avoided Operating this device close to other devices that do not comply with EMC directives may influence functionality This device must not be used for monitoring applications which solely serve the purpose of protecting persons against hazards or injury or as an EMERGENCY STOP switch for systems or machinery or for any other similar safety relevant purposes Dimensions of enclosures or enclosure accessories may show slight tolerances on the specifications provided in these instructions
12. lity 0 10V 4 20mA I l Selecting output uy J L I GND terminals 1 and 3 are connected on the circuit board Type WG1 Range Output Features Air quality DPDG 306000 0 100 0 10V 4 20mA Note This air quality sensor must not be used as safety relevant device ENGLISH CAREL Notes regarding DPWQ 306000 and DPDG306000 This device may only be used in non precipitating air without above atmospheric or below atmospheric pressure at the sensor ele ment Inthe operating mode with current output the device delivers an output current of either 0 20 mA or 4 20 mA selectable via jumper This device is not a transmitter The voltage output is short circuit proof Applying overvoltage will destroy the device n case of pollution we recommend cleaning and recalibration in the factory The air quality signal good bad is represented by the output signal 0 10 V The device operating range covers 10 95 relative humidity respectively 0 50 C Beyond that range mismeasurements or increased deviations will occur The chemical sensor is a consumable The lifetime of the sensor depends on nature and concentration of the pollutant gas burden If this device is operated beyond the specified range all warranty claims are forfeited Air quality is measured through a chemical sensor Due to its functional principle the lifetime of the sensor depends on nature and con
13. ntial rt h H HF h In case of reversed polarity at one field device a supply voltage short cir Y Y cuit would be caused by that device The consequential short circuit cur rent flowing through this field device may cause damage to it fg 4 Therefore pay attention to correct wiring Circuitry Circuitry i bh od y Power supply g E 5 AC 24V OV 2 Reprints in part or in total are only permitted DC 15 36V GND gt gt gt gt with the approval of Carel SpA Disposal of the product SS a The appliance or the product must be disposed of separately in accordance with the local waste disposal legislation in force WARNING The CAREL product is a state of the art device whose operation is specified in the technical documentation supplied with the product or can be downloaded even prior to purchase from the website www carel com The customer manufacturer developer or installer of the final equipment accepts all liability and risk relating to the configuration of the product in order to reach the expected results in relation to the specific installation and or equipment The failure to complete such phase which is required indicated in the user manual may cause the final product to malfunction CAREL accepts no liability in such cases The customer must use the product only in the manner described in the documentation relating to the product The liability of CAREL in rela
14. tion to its products is specified in the CAREL general contract conditions available on the website www carel com and or by specific agreements with customers 05000 1291 13 06 2007 REV 1 0 GB 1001 IX 07
Download Pdf Manuals
Related Search