Manual heating or air conditioning zone dampers are mechanical doors that are manually by hand open or closed in order to control the amount of warm or cool. The zone thermostats allow independent temperature control and the zone dampers control the airflow to the zone thermostats. Visual position indicator, range stops and manual position adjustment features a 2. Arzel zoning technology azlreg6x10, reg6x10, the regidamper allows for easy damper installation in previously difficult situations. A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, vav. A zone damper system is simply installing motorized doors to restrict airflow in specific rooms within your house. Manual duct damper spool damper 10 inch gsd 10 hvac.
Damper model ndurd multiple dampers wired to one zone damper model ndurd used with an autochangeover thermostat damper model ndurd wired with an spdt switch damper model ndurd wired as fresh air intake damper model ndurd wired with an ewt and tsb damper model ndurd wired as fresh air intake restricted. It has a 24volt motor used to control circulating air in heating, cooling and ventilating systems. A zone damper also known as a volume control damper or vcd is a specific type of damper used to control the flow of air in an hvac heating or cooling system. Levers located outside of air vents and ducts control damper plates or valves in a manual system. You can see two black manual duct damper handles on the white asbestospapercovered heating ducts in the photo at above left. With zone dampers, you can have multiple zones in your home while using only a single hvac system. A zone damper also known as a volume control damper or vcd is a specific. Rectangular manual dampers dampers hvac blackhawk supply. Using ul registered plenum rated tubing the airline is fished back through the ductwork and the damper slips easily into your register boot. Manual duct dampers or spool dampers are ideal for use as an inline damper where manual air flow adjustment is needed. When it comes to hvac zone dampers, it can be a complicated and confusing decision to decide what model to purchase.
A zone control system like this uses levers, which are located outside of the air vents, to regulate it. Most manual dampers have a straightforward design that allows operators to intuitively control airflow through the system, and they tend to be relatively durable and maintenance free. If the mounting plate and actuator is on the shorter dimension the damper is referred to as a sidemount damper. Room temperature control with a manual damper reliable. However, if you know what it is, it can be made easier, which is why you need to know the features to look for and much more. When a room needs more air to raise or lower the temperature, the damper to that zone is opened. Zone panels should not be exposed to weather or installed in a location where they might get wet.
Manual dampers are turned by a handle on the outside of a duct. If desired, a remote room sensor or a smart sensor may be used to sense the zone 1 temperature. Honeywell truezone hz311, hz322, hz432 manual pdf download. 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. The solution could be temperature control with a manual damper. How to diagnose manual and automatic zone damper issues with. Fan operation the aprilaire intelligent zoned comfort control panel allows you to control fan operation from any zone. Mc 24 vac motor common capacities are for reference only. Wiring multiple dampers when the same zone controls two or more dampers, wire the dampers in parallel to terminals m1 and m6 on the zone control panel. May 06, 2019 manual dampers levers located outside of air vents and ducts control damper plates or valves in a manual system. Select from manual cable drive control to fully automated pressure depended and pressure independent systems. If during this call other zones cal for heating those zone dampers would open and heated air would be supplied to those zones as well.
This is a mistake, zone dampers have lots of moving parts and can be a source of many problems. Stmpd16 medium pressure zone damper, round, 16 diameter. If you have ever had a problem with a round damper in the past, the ecojay damper will solve it. The zd is typically used with the truezone systems and other electronic zoning systems. The synchronous motor actuator can be driven open or closed using any 24 volt rated two position switch e. Truezone replacement actuator for normally open dampers m847d zone truezone replacement actuator for normally open dampers. How to precisely control temperature in different parts of your home. Jackson systems offers a variety of zone dampers in side mount or bottom mount orientation. Access doors provide an easy means of reaching damper components inside the ductwork. Instead of the standard arzel actuator, the regidamper features a patented lowfriction air cylinder.
Smart zone 2x this powerful 2 zone controller makes a neat fit with pretty much any type of hvac system. Honeywell ard power closespring open round dampers are available in 5 inch to 18 inch diameters. Established in 1994, dampers express has been providing smacna certified dampers regionally, nationally, and internationally, meeting our customers deadline, quality, and cost needs. Manual duct damper for round ducting spool damper with handle. For example, in a house, the main floor may be served by one heating zone while the upstairs bedrooms are served by another. Stmpd18 medium pressure zone damper, round, 18 diameter. If the mounting plate and actuator is on the longer dimension the damper is referred to as a bottommount damper. Rc 24 vac run damper closed ro 24 vac run damper open. A changeover switch manual or remote is located on the pc board for heat pump operation only. By setting the larger zone dampers to a minimum position, excess air pressure can be relieved even when only one zone is call ing. Zonefirst is the first company that successfully developed and marketed hvac zoning systems back in the 1950s and is today a leading manufacturer of hvac zone dampers and zoning systems.
Zone panel zoning system design manual zone panel install the panel mount on return, stud, wall, or roof truss. Honeywell dampers, honeywell zd dampers, honeywell. A transformer is needed to power the zone control system and occasionally a bypass damper may be required. As dampers help in regulating temperature in your home using an hvac zoning system, they efficiently control the flow of air and save your money. In order to improve efficiency and occupant comfort, hvac systems are commonly divided up into multiple zones. It is of the twowire type, and is specially designed for use with a twowire thermostat with. The arzel difference arzel zoning has been manufacturing an industryleading zoning system for nearly 40 years. Damper control module is needed for zones 5 through 8 8 zones maximum.
Ard and zd dampers are completely closed in position 0. Dampers express is a family owned and operated comprehensive manufacturing firm for commercial and residential hvac dampers. If youre looking to take command of your air duct dampers, heres a trio of hvac zone controllers ideal for two, three and four zone systems. Mbd1608 manual rectangular 16 x 08 zone damper io hvac controls. Adding zone dampers to existing home using outlet zone dampers. Designed to solve comfort issues people face in their home or business every day, our products offer superior quality, reliability, ease of installation, and the industries only lifetime warranty. Changes were recently made to these dampers allowing them to draw less current than older dampers allowing up to five dampers to be connected to a single zone output while allowing the equipment transformer to still provide all power. Certain hvac units are equipped with manual zone dampers for regulating the amount of air conditioning or heat being delivered in a room. Hvac performance is largely dependent on airflow control and honeywell dampers are built to support improved airflow and heavy use. A quality damper and proper installation are critical to a functional zoning system that will continue to operate for many years or decades. Manual duct damper spool damper 10 inch gsd 10 manual duct damper spool damper 10 inch gsd 10 price. Select a location for the zone dampers that is at least three feet from the hvac unit plenum in the air duct takeoff to the respective zone and is easily accessible for checkout and maintenance.
Air conditioning fittings dampers manual, line, zone ifco. The damper is installed in a duct that delivers air to the return or a dump zone. Balancing damper made of heavy duty galvanized metal. Several other major zoning companies are in business due to zonefirst. S indianapolis, in 46231 usa, retrieved 20210317, original source. Dz1 series round dampers dz1xx zone one twoposition, standalone round dampers. Ecojay smartzone dampers are designed and built with precision. Zonefirst is the first company that successfully developed and marketed hvac zoning systems back in the 1950s and is today a leading manufacturer of. Dampers remain open for 2 minutes, in the last zone that called for. Manual heating or air conditioning zone dampers are mechanical doors that are manually by hand open or closed in order to control the amount of warm or cool air flowing to a particular room or area in a building. These products are well suited for both retrofit applications as well as new construction. An led on the zone panel enclosure will indicate if the damper for a zone is closed.
Schells dan matta has bill wiles from mccrea heating and cooling walk us through the process of adjusting the manual dampers on an hvac. True zoning is a professionally installed zone control system consisting of a damper and thermostat for each room or zone of the house and wired into a central control panel that sequences each thermostats call with the zone dampers in the ducts and the hvac unit. Our technical service department is available to answer any questions you may have. The motor and linkage are factoryassembled to the damper. Honeywell has long been a leading source for commercial control dampers with products that meet the benchmark amca 500d air performance standards.
Ruskins complete line of zone control products was developed to meet an increasing demand for zone specific products combined with individual controls. A wide selection of electric, pneumatic, and manual actuators. The zoning control m odule only cycles one zone at a time thus minimizing the load on the system transformer. It is used in forcedair bypass applications to relieve excess static pressure when some of the zone dampers are closed. Manual dampers levers located outside of air vents and ducts control damper plates or valves in a manual system. A guide to hvac damper systems for your business or home.
The system still uses multiple thermostats, which control heating and cooling form the system through dampers installed in the ductwork. Each room or zone requires one damper motor and one thermostat. The ut32 titan thermostat must be ordered separately. We carry 2 wire and 3 wire floating point, spring return or full modulating zone dampers. Honeywell ard dampers, honeywell automatic round dampers. I have a 2 zoned ac system trane the zone dampers are in off position and not responding to the two thermostats how do i manually. Page 7 zoning system design manual bypass dampers and dats alternative bypass methods if there is no space for bypass ductwork, the zone dampers can be set to allow some air to leak. Duct friction rate should be established by use of acca manual d, manual q or. An hvac damper is a simple mechanism inside the ductwork that adjusts the amount of airflow when it is manually opened or closed. Damper actuator application the m847d is a two position, 24 vac spring return damper actuator designed to operate directly driven zone dampers, used to control air flow in ducts. Install components step 3 install components install infinity damper control the infinity damper control is designed so that wires can enter it from behind, above, or below.
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