Transcription
MT4-024/MT4-230MT8-024/MT8-230SMALL LINEAR THERMOELECTRIC ACTUATORSSmart-TPRODUCT DATAFEATURES No mounting tools required (easily mounted usingvalve adapter) Water-protected housing design in all mountingpositions Pluggable cable for easy installation and servicing Auxiliary switch models for driving pumps or fans Low power consumption models Normally-open and normally-closed models Compact design allows installation in limited space Visual indicator showing valve position and type ofaction (NO or NC) Noiseless operation Reliable long-term operation Overload protection (4 kV) for 230 V modelsSPECIFICATIONSMax. strokeMT4: 4 mmMT8: 8 mmAPPLICATIONPower supplyMTx-024: 24 Vac/dc 20%MTx-230: 230 Vac 10% . -15%Smart-T small linear actuators are used in room and zoneapplications for time-controlled two-point and pulse-widthmodulated (PWM*) regulation of heating and cooling systemssuch as fan coil units, radiators, floor heating systems, chilledceilings, and convectors.Stem force90 NOpening/closing timedependent on ambient temperature (see Table 3)Ambient temperaturemax. 50 C ElectricalspecificationsSee Table 3 on page 3.Protection standardIP44 in all mounting positionsCable length1 m, other cable lengths uponrequestCable wiresMTx-xxx: 2 x 0.5 mmMTx-xxxS: 4 x 0.35 mm2Max. permissibleauxiliary switchcurrentMTx-xxxS: 5 (3) AMedium temperaturemax. 120 C Fit on standard M30 x 1.5 heating/cooling valves,thermostatic radiator valves, and valve inserts formanifolds and compact radiators.Special valve adapters on request.*Recommended controllers: Excel 10 and Excel 12 controllers(use with other, non-Honeywell controllers may adverselyinfluence PWM-operation). U.S. Registered TrademarkCopyright 2009 Honeywell Inc. All rights reserved2EN0B-0490GE51 R0709
MT SMALL LINEAR THERMOELECTRIC ACTUATORSORDERING INFORMATIONTable 1. Actuatorsorder numberaction*additional featuresvoltagestrokeMT4-024-NCnormally closedMT4-024-NOnormally openMT4-024-NC-2.5Mnormally closed2.5 m cable lengthMT4-024-NO-2.5Mnormally open24 Vac/dcMT4-024LC-NCnormally closedwith low powerconsumptionMT4-024LC-NOnormally openMT4-024S-NCnormally closedwith auxiliary switchMT4-024S-NOnormally open4 mmMT4-230-NCnormally closedMT4-230-NOnormally openMT4-230-NC-2.5Mnormally closed2.5 m cable lengthMT4-230-NO-2.5Mnormally open230 Vac/dcMT4-230LC-NCnormally closedwith low powerconsumptionMT4-230LC-NOnormally openMT4-230S-NCnormally closedwith auxiliary switchMT4-230S-NOnormally openMT8-024-NCnormally closedMT8-024-NOnormally openMT8-024-NC-2.5Mnormally closed2.5 m cable lengthMT8-024-NO-2.5Mnormally open24 Vac/dcMT8-024LC-NCnormally closedwith low powerconsumptionMT8-024LC-NOnormally openMT8-024S-NCnormally closedwith auxiliary switchMT8-024S-NOnormally open8 mmMT8-230-NCnormally closedMT8-230-NOnormally openMT8-230-NC-2.5Mnormally closed2.5 m cable lengthMT8-230-NO-2.5Mnormally open230 Vac/dcMT8-230LC-NCnormally closedwith low powerconsumptionMT8-230LC-NOnormally openMT8-230S-NCnormally closedwith auxiliary switchMT8-230S-NOnormally open*Without power, in combination with standard 2-way valve; "normally closed" stem extends, "normally open" stem retractsTable 2. Accessoriesorder 0B-0490GE51 R0709descriptionmounting clip, 10 unitsmounting adapter M30 x 1.5, 10 unitsmounting adapter for Herz/Polytherm valves, 10 unitscable suitable for MT4-024/-230/-024LC/-0230LC and MT8-024/-230/024LC/-0230LC, 10 unitsDanfoss-RA adapters, 10 unitsMounting adapter for Velta compact manifold2
MT SMALL LINEAR THERMOELECTRIC ACTUATORSELECTRICAL SPECIFICATIONSTable 3. Electrical specificationsorder tion*MTx-024-xx, MTx-024S-xx 0.7 A 0.1 AMTx-024LC-xx 0.2 A 0.05 AMTx-230-xx, MTx-230S-xx 0.6 A**0.014 AMTx-230LC-xx 0.4 A**0.010 A*All values at nominal voltage. **Average during first 500 msec. 3W 2W3W2Wmin. runtime for full nominal valve stroke4 mm models8 mm models4.0 min6.0 min6.0 min7.5 min2.5 min3.5 min3.5 min5.5 minMOUNTINGNOTE: Connection leads must not touch piping (heattransfer).Fig. 2. DismountingFUNCTIONWhen the operating current is applied, a PTC resistor heatsup a wax element. After a delay, this wax element expands,causing stroke movement.Fig. 1. Mounting / installation positions3EN0B-0490GE51 R0709
MT SMALL LINEAR THERMOELECTRIC ACTUATORSPosition IndicatorThe position indicator (the red indicator behind the window onthe face of the actuator) shows the model's type of action (NOor NC) as well as the current stroke position.NCNOFig. 3. Position indicatorWIRINGgrün, vert, verde,green, zielonygrün, vert, verde,green, zielonyMTx-xxxS5 A (3)230 Vac / 24 Vbraun, brun, marrone,brown, brazowyR-TΩ230 Vac / 24 V3Wblau, bleu, blu,blue, niebieskiMTx-xxx, MTx-xxxLCbraun, brun, marrone,brown, brazowyR-T230 Vac / 24 VΩ3W(MTx-xxxLC: 2 W)blau, bleu, blu,blue, niebieskiFig. 4. Wiring diagramsOpening and Closing etimeclosingtimeFig. 5. Opening and closing timeNOTE: Opening and closing times depend upon ambienttemperature and model.EN0B-0490GE51 R07094
MT SMALL LINEAR THERMOELECTRIC ACTUATORSValve ActionDIMENSIONSNC (normally-closed) versionNCNO (normally-open) versionNONCNOHABAXBLAABABAWBABBABAdimension MT4-xxx MT8-xxxW42H5967L45X6ABBFig. 7. Dimensions (in mm)Fig. 6. Valve actionNormally open: 2-way valve, A-B open without power;Normally closed: 2-way valve, A-B shut without power;NOTE: Fig. 6 is a schematic diagram showing typical valveaction. Actual function can vary depending upon theindividual type of valve.Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Rolle, Z.A. La Pièce 16, Switzerland by its Authorized Representative:Automation and Control SolutionsHoneywell GmbHBöblinger Strasse 1771101 SchönaichGermanyPhone: (49) 7031 63701Fax: (49) 7031 637493http://ecc.emea.honeywell.comSubject to change without notice. Printed in GermanyEN0B-0490GE51 R0709
MT4-024-NO-2.5M normally open 2.5 m cable length MT4-024LC-NC normally closed MT4-024LC-NO normally open with low power consumption MT4-024S-NC normally closed MT4-024S-NO normally open with auxiliary switch 24 Vac/dc MT4-230-NC normally closed MT4-230-NO normally open MT4-230-NC-2.5M normally closed MT4-230-NO-2.5M normally open
