Operates with the minneapolis blower door and duct blaster systems to display air flow readings. Previous duct leakage test result form next ring 4 table of contents. The energy conservatory blower door duct blaster the. Tec recommended calibration check procedures duct blaster system field check meets requirements for both the fan and gauge perform the duct blaster system field check procedure using an approved orifice plate. Quick and accurate airtightness measurements from 20 1,500 cfm. Seal one supply register closest to the plenum and measure duct pressure there. Oneswitch adjustable multiple air speeds and two heat settings for. Because of the backpressure, it will read much higher than the actual flow. Quick guide how to use the tec dg on the duct test youtube. Available to hire and buy is the minneapolis duct blaster 110 240 v, complete. All product manuals are moving to electronic form and the tec catalog app will always keep you updated with. Appendix a contains a quick guide for using the dg700 with the pressureair. Some duct testing fans require a flow conditioner when depressurizing a duct system, in order to get correct readings. Minneapolis blower door, tecblast, duct mask and automated.
The energy conservatory combo has all the blower door test equipment youll need with a minneapolis blower door with a dg, and a minneapolis duct blaster with an additional dg digital gauge to perform duct pressure testing and a 21 piece vent cap total home pack to make sure youre not wasting expensive d. This automatically gives me a negative pa on the duct blaster somewhere between 6 and 11 that shows 1220 cfm most of the time. Minneapolis blower door manual minneapolis blower door model 3 flow chart minneapolis dg700 quick guide. We carry a full line of the energy conservatorys products. Product description the energy conservatory dg pressure and flow gauge dg10kit001. Quick guide how to use the tec dg on the duct test. Energy conservatory minneapolis duct blaster duct leakage tester.
Hvac and energy auditing tool sales testo fieldpiece. Make sure that it has proper seal around the return grill. The energy conservatory combo has all the blower door test equipment youll need with a minneapolis blower door with a dg, and a minneapolis duct blaster with an additional dg digital gauge to perform duct pressure testing and. Tec also offers driver support for the dg500, dg700 and dg.
Retrotec blower door test equipment duct testing equipment. Flex duct standard kit comes with twelve feet of 10 inch diameter flex duct with a round and square transition piece. One hose to duct blaster red if you use tec and the green hose in a vent. The energy conservatory blower door duct blaster manuals. Flow conversion table revised january 2007 flow cfm flow cfm fan open fan open pressure fan ring 1 ring 2 ring 3 pressure fan ring 1 ring 2 ring 3 pascals 122 1219 456 174 69 4 12 124 1229 459 175 70 6 15 126 1239 463 177 70 8 17 128 1249 467 178 71 10 19 1259 470 180 71. Introducing the tec dg with the industry success of the dg700 digital pressure and flow gauge, the team at the energy conservatory tec knew it was time to begin researching and conceptualizing a new, innovative, and performancedriven version of the digital gauge for 2016. Fact when the duct blaster is on a flex duct which is attached to a return register, it typically cannot achieve the rated flow of cfm on open range. A 25 foot long 10 inch diameter option is also available for the hardertoreach vents. Retrotec dm32 operation manual pdf download manualslib. Multifamily duct blast with reference to outside forum. Retrotec us241 ductester with dm32, model 200 fan, and flexduct.
Introducing the tec dg with the industry success of the dg700 digital pressure and flow gauge, our team at the energy conservatory tec knew it was time to begin researching and conceptualizing a new, innovative, and performancedriven version of the digital gauge for 2016. Available to hire and buy is the minneapolis duct blaster 110 240 v, complete with dg digital pressure and flow gauge, three flow rings, 3. Energy conservatory minneapolis duct blaster duct leakage. Registration cutoff is 1 week in advance to allow for mailing training manuals. Tec minneapolis duct blaster system with dgductkit00. The duct blaster will measure duct leakage over 1,000 cfm. Fans manufactured by tec such as those used with the minneapolis duct blaster or minneapolis lower door model 3 or 4 can be controlled by the fan speed control output on a retrotec gauge using the retrotec model fn275 speed control adapter for tec fans. Run the duct blaster at full speed, then seal off registers until 25 pa is achieved. Slim, flexible grooming hose measures 10 feet so you can maneuver in comfort. The minneapolis duct blaster is a calibrated air flow measurement system designed to test and document the airtightness of forced air duct systems in both houses and light commercial buildings. The energy conservatory tec retrotec rt duct blaster. Approved orifice plates will also be available at that time. The energy conservatory minneapolis duct blaster ring 3 ring4ring 4 is an optional flow ring for the series b duct blaster fan used to measure very low air flows.
The energy conservatory tec duct blaster the duct blaster whose name has been universally adopted as the label for the process of duct testing is a conservativeappearing, black axial fan in a 14inch diameter housing. The minneapolis duct blaster is the industry standard for airtightness testing of ductwork. This procedure will be available on the tec website in the spring 07. Duct blaster fan the duct blaster fan consists of a molded fan housing with a variable speed motor. Conservatory, inc minneapolis blower door, tecblast. The development of the minneapolis duct blaster revolutionized performance testing of forced air distribution systems for builders, hvac contractors, and utility dsm programs. Description duct blaster series b 110v system dg and flow gauge. The drivers are designed to work with windowsbased computers with the following operating systems. Fans manufactured by tec such as those used with the minneapolis duct blaster or minneapolis blower door model 3 or 4 can be controlled by the fan speed control output on a retrotec gauge using the retrotec model fn275 speed control adapter for tec fans. Measuring instruments tec exhaust fan flow meter overview and manual 10 pages summary of contents for tec dg700.
Tec minneapolis duct blaster system with dgminneapolis duct blaster system with dg need to test your ducts for leakage. Im not sure if it makes any difference which fan starts first but i think its easier to synchronize the fans. The minneapolis duct blaster is a calibrated air flow measurement system designed to test and document the airtig. Tec trainer manual duct blaster the energy conservatory. Retrotec us241 ductester with dm32, model 200 fan, and flex duct one big reason for its popularity for testing residential ducts. Retrotec us241 ductester with dm32, model 200 fan, and. Minneapolis duct blaster and trueflow air handler flow meter are registered trademarks of the energy. Minneapolis duct blaster operational manual california energy. Compatible for both pressurization and depressurization testing. The minneapolis duct blaster is a calibrated air flow measurement system used to test and document the airtightness of forced air duct systems in both houses and light commercial buildings. The energy conservatory dg pressure and flow gauge. Minneapolis duct blaster system conservation strategies.
A duct leakage diagnostic tool used with the blower door and digital pressure gauge to identify exterior air leakage in duct systems. The duct blaster fan is connected directly to the duct system in a house, typically at a central return, or at the air handler cabinet. Trueflow plate, exhaust fan flow box, duct blaster, flow blaster also applies to nailor flow collars read manual, including fine print. On open range, tape the back of your duct blaster to the floor with a static pressure probe underneath. Tec dg700 operating instructions manual pdf download. Tec combo blower door, duct blaster, and vent caps. Series b systems duct blaster the energy conservatory. Appendix a contains a quick guide for using the dg700 with the pressureair handler flow feature. Jun 27, 2017 tec catalogs allows you to download, view and store some or all of the product brochures and manuals for all current energy conservatory products such as the minneapolis blower door system and the minneapolis duct blaster system and more. The lightweight duct blaster fan weighs just 7 pounds, but delivers enough air flow an amazing 1,500 cfm to test the leakiest duct systems. Trueflow plate, exhaust fan flow box, duct blaster, flow blaster. Total duct leakage less than or equal to 6 cfm 18 lmin per 100 ft 2 9. The energy conservatory duct blaster duct blaster manuals archives. Myths comparing ductesters and duct blasters exploded.
Minneapolis blower door system model 3 without gauge. The system comes in a black 26inch x 14inch x 14inch carrying case. Minneapolis duct blaster system series b without gauge includes gauge board for dg700. The duct blaster fan will move up to 1,550 cubic feet of air per minute cfm at zero back pressure i. Just read the guide, maybe watch the video and in 15 minutes, youve performed your first test. Install your duct blaster on a return using the flex in pressurize mode on open range. View online or download retrotec dm32 operation manual, quick manual. The dg700 simulator can also be used with the tec training tent to provide a realistic simulation of a blower door, duct blaster and zonal pressure tests. Folding frame with carrying case red nylon cover with adjustable hole sizes flex duct assembly for duct testing duct attachment plate for easy connection to the duct blaster zippered access panel ring c for the blower door.
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