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 Honeywell truezone hz322 User Manual . The synchronous motor actuator can be driven OPEN using any 24 volt rated two position switch - eg Have a look at the manual Honeywell Gen 4 User Manual Low voltage, spring-return damper actuator. Equipped with anti-rotation and drive shaft extensions for direct mounting to 7/16 inch diameter coupling style dampers. Adjustable range stops. Direct replacement for M847D1004 Installation Made EasyFor fast, accurate installation with no callbacks, the TrueZONE Damper Actuator has you covered with a range of features that simplify installation in every application: Honeywell Home: Composition: Plastic Housing: Dimensional Weight: 1.000000: EAN: 0085267353069: Cubic Measurement: 0.074800: About. About Gemaire Honeywell M847D Zone Valve Actuator 2. 3/16 hex key (allen wrench, t-handle, etc. Any works - you need this to loosen/tighten a set screw) 3. long nose plier (or any tool with a pointy tip. You need this to push down the buttons on the new actuator to push the wires in.) 4. non-contact voltage meter (eg. 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. The synchronous motor actuator can be driven open (or closed) using any 24 volt rated two position switch - eg. a wall switch or a thermostat subbase switch. The M847D replaces the RDMH and RDMZ This two-position, 24 Vac spring return actuator is the direct replacement for M847D1004. Simplified, adjustable range stops allow you to tailor the HVAC damper to suit the needs of each customer. This motor is equipped with anti-rotation and drive shaft extensions. Replacement motor for ARD and ZD zone dampers. Direct replacement for M847D1004. Replacing M847D on a Trol-A-Temp®ZDS or ZDB damper 1. Disconnect the motor wiring. 2. Using a 3/16 in. hex wrench to loosen the Allen screw located above the faceplate at the motor coupling. 3. Remove the existing motor. 4. Observe that the damper blades are in the open posi- tion with the setscrew pointing toward the damper label. 5. The sale of certain items may be geographically restricted. NOTE: Product pictures shown represent the general type of device listed. The model you select might not exactly match the photo. Description. Attachments. M847D1004 DIR MT ACTUATOR SR 24V 2 POSITIONER. This article series explains both manual and automatic heating and air conditioning ductwork zone A replacement zone damper actuator motor for the Honeywell M847D1004 is sold by hvacsurplus. On Sale $903. Follow your ductwork to figure out which registers the damper fits with, and check the registers airflow when your system is running. The Honeywell M847D1012 is a two position, 24 Vac spring return actuator designed to operate ARD, EARD and ZD zone dampers. Features Low voltage, spring-return damper actuator. Honeywell M847D1012 is equipped with anti-rotation and drive shaft extensions for direct mounting to 7/16 inch diameter coupling style dampers. Adjustable range stops. Push-In Terminals - The same easy wiring design used on TrueZONE Panels. No tools needed, has space for two wires. LED Indicator Lights - Red indicates the damper is closed and green indicates open (used in 3-wire applicat