Singleblade, steel barometric damper used to bypass excess air when the majority of zone dampers are closed. Truezone ard, eard, and zd series dampers installing the round ard and planning the installation eard dampers selecting a location 1. The sprd is available in rectangular, square or round styles. Be sure the opening is cut fully to the top and bottom of the duct. Quick installation and setup no weight to adjust can be installed in any orientation. Bypass humidifier, owners manual, duct mounting template, saddle valve, water supply line, drain hose and humidipro digital humidity control with outdoor temperature sensor and manual damper hardware. Insert the crimped end of the ard or eard into the select a location for the zone dampers that is at least three uncrimped end of the rigid round duct and secure with feet from the hvac unit plenum in the air duct takeoff to the sheet metal screws not. Truezone bypass damper bypass hassle with truly simplified installation. The truezone bypass replaces the tedious weight system with. Zone poweropen mard for recommended powerclosed dampers call the honeywell zoning hotline at 18008288367. Mechanical visual position indicator for damper status. Used in forcedair bypass applications to relieve excess static pressure when some of the zone dampers are closed. Honeywell truezone 12 inch bypass damper cprd12 easy. The damper is a honeywell brand with two leds on the board and it has four cables that connect to the pennco steam boiler.
Use of a manual shutoff valve may be required to meet code in your area. After completing installation, use these instructions to check out the product operation. Honeywell truezone hz322 installation manual pdf download. These products are manufactured by resideo technologies. Bypass poweropen powerclosed mard 2 va with spc d2 with ml6161b2024 2 va and spc or equivalent damper and actuator. The springreturn ard and zd damper requires 24 vac to the two motor leads to power the damper closed. Ensure transformer is large enough to power the panel, thermostats, wireless adapter module, and dampers. Damper adjustment is easily achieved by increasing or decreasing the force applied to the bypass damper blade, until the desired static pressure is achieved.
Zone dampers 5 reasons to choose honeywell dampers. The truezonebypass constant pressure regulating damper cprd is a round static pressure relief damper. It is used in forcedair bypass applications to relieve excess static pressure when some of the zone dampers are closed. The truezone bypass constant pressure regulating damper cprd is a round static. Features quick installation and setup no weight to adjust can be installed in any orientation. The trueease humidifier line is easy to install with quick snap bypass direction adjustment. Eard damper requires 24 vac to the two motor leads to power the damper open. Honeywell he250a1005 trueease advanced bypass humidifier. Is there a manual switch on a honeywell 8978 vent damper.
Includes automatic damper, status, maintenance, service leds, and advanced operation. Idiots guide to installing the honeywell hz322 damper. Use the graphic as a guide when planning or designing a zone system regardless of the equipment type, duct layout and airflow configuration. Cprd10 10 round barometric bypass damper to 600cfm. Jan 16, 2020 the honeywell d80d vent damper is shot and i answered by a verified hvac technician we use cookies to give you the best possible experience on our website. Secure the mounting plate to the air duct using the. Honeywell sprd8 8 round static pressure regulating damper product overview. Features quick installation and setup no weight to adjust can be installed in any orientation engineered to provide constant system pressure regardless of changes in zones celling or blower speed. Du145 automatic bypass valve honeywell home heating controls. More about honeywell truezone bypass dampers cprd truezone bypass dampers cprd are round static pressure relief dampers. Maximum damper va per zone programmable 100f 38c 28. Zoning system design manual 70232103 size the bypass damper install between supply and return. Du145 automatic bypass valve the du145 automatic bypass valve controls flow of water through a bypass circuit which is installed between flow and return pipework, typically at or near the boiler.
Dampers hvac performance is largely dependent on airflow control and honeywell dampers are built to support improved airflow and heavy use. Honeywell truezone bypass cprd installation video youtube. For example, zd10x8 is a 10 x 8 damper with the motor on the 8 side. Turn the handle on the top of the saddle valve to the right clockwise until the needle pierces the water supply line. Honeywell dampers offer the highest quality workmanship and unparalleled performance. By setting the larger zone dampers to a minimum position, excess air pressure can be relieved. Expert express is raleigh, durham, chapel hill, garner, apex, holly springs, and wake forest premier plumbing heating and air conditioning contractor.
Turn the handle on the top of the saddle valve to the right clockwise until. Zone panel professional installation guide honeywell. Insert the crimped end of the ard or eard into the select a location for the zone dampers that is at least three uncrimped end of the rigid round duct and secure with feet from the hvac unit plenum in the air duct takeoff to the sheet metal screws not provided. Honeywell hz432 truezone installation manual pdf download. This drawing of the bypass damper, balancing hand damper, and related duct work is intended to serve only as a guide. Idiots guide to installing the honeywell hz322 damper system. The bypass damper is the most common and effective tool available to manage airflow and static pressure in a zoned hvac system. This video will take you step by step through installing a. An sprd is used on zone systems when the automatic closing of various zone dampers created an excessive increase in air pressure and velocity. The new esp zoning system is equipped with awardwinning electronic static pressure control technology that eliminates the need to install a bypass damper.
Dec 29, 2012 the ignition control is wired just like the gas valve on the standing pilot version. Use the selfpiercing saddle valve included to tap into the water supply line at the location selected. Building regulation advice states that if a bypass is installed, an automatic bypass valve must be fitted. Qa graphics created the 3d graphics and animation for a 3d rendered overview of how to install and check out the honeywell truezone damper system in four st. The honeywell home bypass humidifier automatically monitors home humidity levels, and the intuitive system only runs water and air when humidity is needed saving up to 10,000 gallons of water per year, depending on the model and system. The new honeywell truezone bypass damper dramatically cuts installation time by replacing the old weight system with a simple dial. Bypass static pressure regulating damper sprd sprd table 3.
Honeywell sprd static bypass damper the static pressure regulating damper sprd is a round or rectangular singleblade barometric relief damper used to prevent an excessive increase in air velocity. Is it possible to rewire or jump the connections from the damper so that the boiler can run without relying on the defective damper. Honeywell he250a1005 trueease advanced 12gallon per day with humidipro digital humidity control. I also added a 24vac damper to open and close the bypass air duct to the humidifier, to increase system efficiency of the furnace blower when humidification is. Maximum dampers per panel is limited by transformer size. Features quick installation and setup no weight to adjust can be installed in any orientation engineered to provide. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. They are used in forcedair bypass applications to relieve excess static pressure when some of the zone dampers are closed. Read all instructions before installing this product. The damper then returns to its normal open position once power is removed. The remainder is the amount of air that needs to be bypassed.
Honeywell has long been a leading source for commercial control dampers with products that meet the benchmark amca 500d air performance standards. The modulating automatic round damper is a round damper with a 24vac, floatingcontrol type modulating motor for bypass and zone damper control. The balancing hand damper allows you set sufficient pressure differential across the bypass duct, preventing the bypass duct from being the path of least. Instead of 24 v to the gas valve the damper end switch sends 24v to the ignition control. Counterbalanced weighted arm to control bypass air for zoned systems available in rectangularsquare and round sizes air pressure in. Honeywell home bypass damper, for use with forced air. I am removing a honeywell d80d vent damper from weller mclain. The honeywell truezone bypass constant pressure regulating damper cprd is a round static pressure relief damper. I am removing a honeywell d80d vent damper from weller. Your actual duct work layout and components may differ. Suitable for homes up to 20,000 cubic feet in size. Honeywell he200a trueease basic bypass humidifier 12gpd w. The truezone bypass constant pressure regulating damper cprd is a round static pressure relief damper. The du145 saves energy by only allowing flow through the bypass when needed i.
Bmplus3000 cool to dehumify w honeywell vision pro iaq t. Honeywell technical support information, product brochures and more. It has a 24volt motor used to control circulating air in heating, cooling and ventilating systems. If your version has an l8148 then there is still the risk that the bypass wont work if its the type that will only work with a damper connected. With the new truezone bypass damper from honeywell, you get an out of the box solution with little configuration needed. Sprd8 honeywell sprd8 8 round static pressure regulating. The sprd is a singleblade, steel barometric damper with a counterbalanced, weighted arm for control of bypass air for zone systems. All zoning systems should be installed with a supplytoreturn bypass damper. I found that the basic honeywell trueease bypass humidifier would be perfect for this application requiring only 24vac to actuate the solenoid to start water flow to the humidifier. Ensure transformer is large enough to power the panel 7. The model clbd bypass damper is an easy and economical way to manage system static pressure, in a zoned hvac system.
Honeywell truezone 8 inch bypass damper cprd8 easy bypass. Every honeywell damper is built for installation flexibility, reliability and reduced callbacks. In the extreme left position, the damper should stay open approximately 40 when powered shut. The honeywell home trademark is used under license from honeywell. Honeywell truezone hz311, hz322, hz432 manual pdf download. Honeywell cprd8 8 truezone bypass damper overview the truezone bypass constant pressure regulating damper cprd is a round static pressure relief damper. Significantly cuts installation time by replacing the old weight system with a simple.
Honeywell 1985 douglas drive north golden valley, mn 55422. The round barometric bypass damper is used to limit air pressure in a zoning installation while closed zones would otherwise overly restrict the airflow, allowing. Honeywell cprd10 10 truezone bypass damper overview the truezone bypass constant pressure regulating damper cprd is a round static pressure relief damper. Install a balancing hand damper in the bypass duct. Quick with a wide variety of available sizes in both round, rectangular and bypass versions. The honeywell home trademark is used under license from honeywell international, inc. A static pressure regulating damper sprd is used to bypass excess airflow from the supply duct into the return duct.
To prevent complete closure of the damper, loosen do not remove the wing nut on the bottom of the motor and move the upper lever to the left until the desired position is reached. The use of an abv is recommended by the uk government as best practice in the chess central heating system specifications guide to central heating systems. The zd is typically used with the truezone systems and other electronic zoning systems. This damper is no longer used and honeywell has advocated removing i.
Honeywell he120 installation instructions manual pdf download. Honeywell truezone damper system installation youtube. He240, he280 humidifier and installation kit honeywell store. The damper is installed in a duct that delivers air to the return or a dump zone. Truezone bypass damper resideo forward thinking resideo. Truezone rectangular parallel blade damper overview the zd is a power close and spring open damper. Forget the tedious timesuck of balancing weightstruezone bypass dampers speed up installation with a simple. Installing a bypass humidifier honeywell trueease fight. To size the bypass damper, subtract the smallest zone cfm from the total system cfm. A description of of a damper installed on older draft hood furnaces in the early 1980s. It is a mechanical damper with no electrical connections. By setting the larger zone dampers to a minimum position, excess air pressure can be relieved even when only one zone is call ing. Honeywell sprd static bypass damper bay area services.
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