Ductwork Installation Instructions

3 equivalent length values for bends and fittings.

Ductwork installation instructions.

Install dampers at the registers to adjust airflow. Chase floor support guide. Entrance fitting 35 ft. Underduct frp should be laid in a graded trench with good drainage on a 4 bed of pea gravel.

Duct can be designed for deeper burial. If those dampers can t be accessed from below you ll want to install them close enough to the register so that you can reach them through the register opening. Click link for pdf. The worksheet for determining the total pressure drop of the duct run depicted in figure 18 will look like this.

Wall support guide 8 24 wall support detail 8 24 wall support guide 30 36 wall support detail 30 36 vertical support guide. Total duct length 14 ft. A typical duct run from plenum to terminal device is illustrated in figure 18. A microwave that you can see in the picture on the left top corner was working in the recirculation mode.

Each register should have its own damper that can be accessed for adjustment. For duct sizing they refer you to acca s manual d for example. Underduct installation and joining instructions. View ductsox installation guides as well as specification sheets drawings brochures and other informational materials.

Single wall duct ceiling support. One interesting bit of info that many installers need to understand is that flex ducts need to have the inner liner pulled tight. If it s not tight the friction rate jumps significantly and that means the air flow takes a hit. Make cold air duct looks straight trick.

Adding heat runs in a basement may change the airflow in the ductwork going to other rooms. Microwave hood vent installation manual. The recommended maximum is 6 of compacted fill. Sheet metal duct lined with fibrous glass insulation duct liner secured to sheet metal with adhesives plus metal fasteners available in thicknesses from 1 2 to 2 in.

Installation instructions duct access door insulation instructions. Minimum distance from under the slab to top of duct is 4 of compacted fill. Installation requirements about the author rebecca mecomber a former radio broadcaster has been a professional blogger and writer since 2006.