Each branch should have a balancing damper installed. Ruskin works with a variety of materials, including galvanized steel, stainless steel, aluminum and fiberglass to match your exact specifications. Field installed into sheet metal starting collars or register boots. After you determine where the duct is and where you wish to install the damper, measure the diameter of the duct. Damper furnish and install johnsoncontrols vd1251ti or vd1251bf low leakage thermal isolated volume control dampers. Young 821a dampers are standard, manual, opposed blade volume control dampers, which can be used to regulate airflow in square or rectangular duct systems. We do recommend that you seal around all sheet metal to sheet metal connections with a duct sealant to prevent air leakage, and increase the efficiency of your hvac system. With the comfoset in place we create a pressure drop without the creation of velocity noise. These installation instructions apply to control dampers of the. Can be used for remodeling, do it yourself and new residential projects. Assemble the swing arm to the front triangle frame 7 4. Damper for noiseless reduction of the air stream in airdistributionsystems.
Please leave it with the owner when the job is complete. Greenhecks volume control dampers meets the requirements of ashrae. Every damper is built with performance in mind and tested per amca standards in ruskins laboratory. The manual operation single blade fire damper with volume control facility has been designed specifically for installations where space is at a premium. Evolutionr damper control module installation and start up instructions a97038 note. Manually move the volume control damper vcd to the desired position in a way that damper channel frame matches the duct flange. Installation method statement for fire dampers before installation check any physical damages on the dampers determine the position of the damper to be fixed on the duct from the construction drawings. Installation, operation and maintenance manuals hvc supplies. Do not compress or stretch the damper into the opening. If you wish to put the damper on the upstairs line, then you will need to put the damper at the beginning of the duct. Commercial control dampers regulate the flow of air in the same manner as manual balancing dampers. Check that ductwork or opening at installation site is free of obstructions and is square, straight and level.
Bd0 control dampers installation instructions product. Do not lift the damper by the blades or actuator handle damper using frame or sleeve. All ul listed dampers are tested according to ul test standards. Plumbing and heating contractor richard trethewey quiets a whistling heating duct. A description and summary of these new test standards and some possible issues resulting from these standards is given in this paper. A complete line of damper products for fire and smoke control in life safety systems and for airflow control in commercial hvac and industrial systems. Confirm that damper is square, straight, level and free from bending, twisting or racking. Damper installation hardware and accessories for hvac control. Damper installation single blade rectangular youtube. See the evolutionr system zoning design guide for more information on specifying. When painting, walltexturing, insulating or any other foreign material is being sprayed within 5 feet of the damper, the damper. Model 1870 installs quickly and easily, becoming part of the ductwork saving time and money on installation costs. Standard or custom sizes are quickly available to make your replacement or new installation as easy as possible. To install damper sleeves, you simply slide the sleeve into the item you are attaching to and fasted with.
Installation, operation and maintenance instructions pre installation guidelines. Usdlsv usdl is a supplyreturn drum louver with adjustable deflection blades and volume damper tbl vertical reduced footprint, bottom return blower coil tbs vertical reduced footprint, rear return blower coil. Each type of damper support system is described with damper being mounted in conjunction with various air devices. Mar 05, 2020 6in hvac duct manual volume air damper with handle a damper is a mechanical device in a duct or chimney that controls airflow. The ac112 volume control round damper is designed for manual air balancing applications up to 1 w.
Specify your dimensions, type of damper and actuator you need. With the blade arm up and the cutout on top, shown in figure 6, slide the return air damper in through the return air duct hole and rest it on the bottom of the ra damper bracket. Installation instructions on how to install an hvac duct manual volume damper in heating and air conditioning ducting. The testing and resetting of the damper and thermal fuse external of the duct allows for ease of commissioning and maintenance. Ideal for use in branch duct lines for adjusting supply or return air volume. Select the right reduction disk referring to the following chart for the amount of airflow. Alan provides damper controls, which use rotarytolinear rack and pinion mechanical actuatorassembly damper systems for precise and dependable calibration. Read the entire instruction manual before starting the installation. In addition, they can be used as a positive shutoff or for automatic control. By molding and forming these materials, ruskin constructs the perfect damper for your needs. How to install and adjust a manual damper for hvac. An important way to stop energy loss is to replace old, leaky control dampers. Loose shipped intake or discharge dampers in some cases an intake or discharge damper may be shipped loose.
Dampers must be installed free from twisting or racking. They do this in a simple and reliable fashion based on barometricstatic pressure in the. Installation manual air volume damper comfoset 75 installation. This iom manual is the property of the owners, and is required for future maintenance. The basic intent of a proper installation is to secure the volume control damper. Model frame depth blade style blade operation pressure in.
Access panels may be required to comply with dw145 g. Use the four screws removed in step 2 and secure the ra damper bracket to the front and rear flanges. Model 1870 manual balancing damper is a ruggedly built, economical branch duct balancing damper designed for manual balancing applications with rectangular ductwork. Its as simple as drilling a small hole into duct work and install. They should be located in areas that are easily accessible for adjustment. Installation, operation, and maintenance instructions. Duct opening should measure 14 6 larger than damper dimension and should be straight and level. The following check list will assist in completing the damper installation in a timely and. Automatic air duct dampers come with pneumatic or electric motors.
We are committed to offering the highest quality products, technical product information and customer service support. The ideal use is in branch duct lines for adjusting supply or return air volume. Installation of a gear driven cable operated damper allows the balancing contractor a convenient way to adjust air volume from a more accessible location without having to access the ceiling. How to install and adjust a manual damper for hvac ductwork. Rectangular face operated flexshaft young regulator. The gear driven cable operated damper is mounted upstream of the air device with the control cable inside or outside of the airstream. Velocity fpm operator type sleeve flange frame option 304 stainless steel option amca crp listing. How to install damper to install damper sleeves, you simply slide the sleeve into the item you are attaching to and fasted with sheet metal screws and conceal seam with duct tape. Rolled ribs in the galvanized steel frame provide greater reinforcement, ease of installation, and sealing joint. Volume dampers provided in the branch ducts, typically at the connections to the main ducts. Titus hvac engineering innovative air distribution. How to make vcd damper by larosa machines how to install a motorized damper on a ducted system variable air volume vav system hvac. Balancing dampers are simply manual dampers encased in a galvanized sheet metal sleeve. Position the junction box, so it covers the electrical wires going to the power source per manufacturers instructions.
Do not install screws or fasteners in the damper that could potentially interfere with the unexposed blade linkage and prevent. Fully assembled volume damper includes different configuration options, all crafted to meet your specific needs. The galvanized steel mounting plate enables simple slipin installation by cutting a 2 14. Manual control manual control mode allows the user to directly change the percent the damper is open by using the up and down arrows on the controllers cover.
These volume control dampers are installed in branches of air distribution duct. Installation, operation and maintenance manual 3100, 3900. These dampers are intended for manual operation but can be motorized when. For proper installation, damper must be installed square and free from racking. Look at your furnace and at the ductwork to figure out the best place for the installation. Frames are to be constructed of formed extruded aluminum with linkage concealed in the side channel to eliminate noise and friction. Damper installation hardware and accessories for hvac. Single leaf dampers integral with air outlets, wherein all blades move in the same direction.
The durozone multiblade dampers for residential zoning systems have been engineered to include many features. Select the right reduction disk referring to the following chart for the amount of airflow volume needed. A guide to hvac damper systems for your business or home. Cut out the section where you plan to install your air duct damper with your tin snips.
This may be requested by the customer or can be required because of larger units shipping size restrictions. This can be done by entering the top level menu, scrolling down to manual control, and pressing enter. Installing a damper into round duct is simple and can be accomplished by any diy homeowner. Factory mounted dampers may be attached on the unit and will. The basic intent of a proper installation is to secure the volume control damper into the opening in such a manner as to prevent distortion and disruption of damper operation. When the distance from the air outlet to the damper is unreachable, couple a flexible steel shaft. Installation instructions 692770efs03 truezone bypass cprd application the truezone bypass constant pressure regulating damper cprd is a round static pressure relief damper. The heavy neoprene blend on top and bottom ensures a tight rattle free seal and they are ribbed for strength and extruded from lightweight aluminum. That way, its possible to regulate the airflow by adjusting the position of the damper. How to install sheet metal duct manual volume damper. Safid certifies that the volume control damper shown herein is. The 821a is controlled in the air stream from the face of the damper. With a manual duct damper, theres a physical handle located outside the duct for you to manipulate.
They are field installed into sheet metal starting collars or register boots. Follow these instructions to attach and wire the loose shipped damper. Opposed blade dampers must be operated from a power blade or shaft. A general diagram of a standard fire damper installation is shown in figure 1. Includes our windgate exclusive stamped volume damper blade. The 1870 installs quickly and easily, saving time and money on installation costs.
Durozone pressure relief dampers are used to relieve excess air pressure created when less than all the zones of a duct system are calling. Cd41 parallel blade downstream from manual volume dampers, motorized dampers, and backdraft dampers. Support ductwork in area of damper to prevent sagging due to damper. Usdlsv usdl is a supplyreturn drum louver with adjustable deflection blades and volume damper tbl vertical reduced footprint, bottom return blower coil tbs. We build a variety of gasketed and nongasketed volume dampers, and collared dampers. A commercial quality locking quadrant to operate and lock the blades in place is included. Ruskin works with a variety of materials, including galvanized steel, stainless steel, aluminum and fiberglass to match your exact. Kele offers the following types of commercial volume control dampers. Connect the damper to the mounting location, attach the damper to all connecting points before tightening bolts. Inspect ductwork or opening where damper will be installed for any obstruction or irregularities that might interfere with blades or linkage rotation or actuator mounting.
Jon burris demonstrates rectangular single blade damper installation in the mkt shop. Manual duct damper for round ducting balancing damper with handle. It is used in forcedair bypass applications to relieve excess static pressure when some of the zone dampers are closed. Pop your air damper in between these duct sections. The damper and actuator must be protected from dirt, dust and foreign materials before and after installation. All ordered products are shipped directly from the manufacturer. May 06, 2019 among the manual dampers we produce are.
Nca s700 motorised leakage rated fire damper ce marked. Galvanized sheet metal round volume damper with manual quadrant adjustment handle. How to install a forcedair bypass damper this old house. These installation instructions apply to ceiling radiation dampers mounted in 3 hour rated ceiling with supports from 1 a ceiling grid system, 2 ductwork above, or 3 structure above. Since your heating and air conditioning consume the vast bulk of energy in the average household, any tweaks you can make here count.
Spring return round damper installation instructions pressure relief dampers. On july 1, 2002, damper manufacturers are required to provide fire, smoke and combination firesmoke dampers that are tested to new underwriters laboratories ul testing requirements. Galvanized sheet metal round volume dampers have manual quadrant adjustment handle. Page 1 systxbb4zc01 evolutionr damper control module installation and start up instructions installation considerations before the actual installation of a zoning system can begin, decisions need to be made to determine the number and location of zones and sensors. Volume control damper round volume control damper vdr the frame and blade in round volume control damper are made of 0. While there are other elements of an approved damper installation this figure will represent the elements in this discussion.
886 516 160 938 1475 1243 603 261 727 730 846 552 215 676 737 741 1164 59 419 972 979 834 596 202 191 935 1461 525 1035 1244 462 925 1428 1150 1567 1167 317