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- TMG 740-3 MOD 43-35
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for TMG 740-3 MOD 43-35
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Product ModelTMG 740-3 MOD 43-35
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Product ParametersBURNER CONTROL BOX
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size3.3x2.7x2.1cm
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ManufacturerHoneywell
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Weight0.03 kg
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Supply voltage220 / 240 V
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AC frequencyvariations result in proportional timingdeviations
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Fuse rating 10 A rapid6 A slow
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Power consumption approx15 VA
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Max. current peroutput terminal4 A
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Ionisation input1.6 µA
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Ionisation/IR probe5 µA = 2 LED
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UV tube250 µA = 2 LED
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Air proving switch6 A, 220 V
Description
The TMG 740-3 burner control box is capable of controllingand monitoring medium to high performance forced draughtand dual fuel oil/gas burners in single or two stage versions.It can be used, as prefered, for multi-stage or modulatingoperation with burners of any nominal rating as well as indirect air heaters (as per DIN 4794).Different model designations identify the control boxesaccording to programme times for varying national standards,or for special applications e.g. high-speed steam generators.A special version is available for operation with ignitionspark monitoring in conformance with French nationalregulations.The TMG 740-3 is fully interchangeable with the earlierversions -1 and -2.
Alternative Names
TMG740-3 MOD 43-35
TMG 740 3 MOD 43 35
TMG 74O-3 M0D 43-35
TMG7403 MOD4335
TMG 74O 3 MOD 43 35
Information
Overview
Manuals
Flame detection
Product Applications
Electrical Wiring Restrictions
Features:
- Multi-Flame Detector Compatibility
- Programme Sequence with Coloured Indicator
- Five-Stage LED Flame Signal Display
- Air Damper Position Monitoring
The control box contains a synchronous motor with gearbox driving a 16-way cam switch assembly which controls the programme sequence. Two DC relays and one remanence relay are mounted on a common yoke. A circuit board with mains transformer and LED display is integrated. The front panel features a reset button incorporating a signal lamp for malfunction (lockout), a coloured programme indicator, a flame signal indicator with 5 LEDs, and a central screw fastening.
The TMG 740-3 MOD 43-35 Honeywell BURNER CONTROL BOX may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Honeywell TMG 740-3 MOD 43-35 BURNER CONTROL BOX Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The following types of flame detector can be used:- Ionisation electrode, where the mains supply provides aneutral earth connection. Suitable for gas burners (signalcurrent from flame cannot be influenced by interferencefrom ignition spark).
- UV sensor type UVZ 780 red, suitable for gas, oil and dualfuel burners.
- Infra-red flicker detector type IRD 820 and 1020 for alltypes of burner.
The flame signal amplifier is adjusted to the the type ofdetector probe fitted by using the flame detector selectionswitch on the underside of the unit. If the IRD flicker detectoris used, the selection switch must be adjusted to the "ION"position.
Flame detection is only operational when the switch positionselected corresponds to the type of detector probeconnected.By optimally matching the amplifier to the detector probe,considerably longer signal transmission distances with lesssensitivity to interference can be achieved.
- Commercial/Industrial Boilers: Regulates safe startup, operation, and shutdown of multi-stage or modulating burners
- Dual-Fuel Heating Systems: Manages seamless fuel transitions and combustion monitoring for gas/oil systems
- Direct Air Heaters: Functions per DIN 4794 standards for industrial hot air blowers
- Specialized Thermal Equipment: Tailored for high-speed steam generators and ignition spark monitoring
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Main Fusing: Protect the primary line with a maximum 10A rapid or 6A slow-blow fuse.
Cable Separation: Route the detector probe cables away from high-voltage power lines to minimize signal interference.
Multi-Core Cables: Do not use a single multi-core cable to bundle flame sensor signals with mains or ignition cables.
Technical notes
The TMG 740-3 MOD 43-35 operates on 110 V AC or 220/240 V AC supply with a power consumption of approximately 15 VA (20 VA for 110V). It supports ionisation probes, UV sensors, and infrared flicker detectors for flame detection. A selector switch on the underside of the unit sets the flame detector mode to UV or ION.
FAQs
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What is the TMG 740-3?
+The Honeywell TMG 740-3 is a highly reliable burner control box designed to automate, control, and monitor medium- to high-performance forced-draft and dual-fuel oil/gas burners. -
What types of burners is the TMG 740-3 used for?
+It is designed for medium to high-capacity gas, oil, or dual-fuel forced draught burners. It handles single-stage, two-stage, or fully modulating operations on burners of any nominal rating. -
What are the standard operating voltages?
+The control box typically operates on 220/240V or 110/120V at 50/60Hz, depending on the exact model modification (e.g., Mod 43-35). -
What are the recommended ambient operating conditions?
+The unit is designed for industrial environments and functions optimally within an ambient temperature range of -20°C to +60°C.
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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32D UNITS,GUOMAO BUILDING,NO 388 HUBIN SOUTH ROAD,SIMING DISTRICT,XIAMEN